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Multi-Scale Pore System and Its Implication for Shale Oil Occurrence in Alkaline Lacustrine Mixed Sedimentary Shale Reservoirs:A Case Study from Fengcheng Formation,Mahu Sag,Junggar Basin 认领 引用
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作者 Yuanhao Zhang Zhenxue Jiang +9 位作者 Jiaqi Chang Zhiye Gao Liliang Huang Wenjun He Chengju Zhang Lei Chen Qingqing Fan Yunhao Han Bolin Zhang Chao Chen 《Journal of Earth Science》 SCIE CAS CSCD 2026年第1期180-198,共19页
The pore structure of shale oil reservoir significantly affects the occurrence and mobility of hydrocarbons.The potential of a new type of alkaline lake shale oil has been demonstrated,but there are few reports on the... The pore structure of shale oil reservoir significantly affects the occurrence and mobility of hydrocarbons.The potential of a new type of alkaline lake shale oil has been demonstrated,but there are few reports on the pore system of alkaline lake shale,which restricts the efficient exploration and development of shale oil.This study investigates the Fengcheng Formation shale in the Mahu sag of the Junggar Basin,employing methods such as low-temperature nitrogecn adsorption(LTNA),mercury intrusion capillary pressure(MICP),and nuclear magnetic resonance(NMR)to quantitatively characterize the multi-scale pore structure and fractal characteristics of shale,while evaluating the applicability of these methods.Based on a comprehensive analysis of material composition,different pore types,and fractal dimensions,the controlling factors for the development of different pore types and their seepage capacity are discussed.The results indicate that inorganic mineral pores are the main development in alkaline lake shale,with the pore morphology being characterized by slit-like and ink-bottle shapes.The multi-scale pore size distribution(PSD)shows that Ⅱ-micropores(10-100 nm)and mesopores(100–1000 nm)are the main contributors to the pore system.The development of Ⅱ-micropores is associated with feldspar and calcareous minerals,the development of Ⅰ-micropores(1000 nm)exhibit good flowability.The high content of siliceous minerals plays a positive role in the pore system of alkaline lake shale.The shale with higher fractal dimension Dmin exhibits greater adsorption capacity,which hinders the accumulation of free-state shale oil.Different types of pore space play different roles in the occurrence of shale oil,with free-state shale oil primarily occurring in micro-fractures and inorganic mineral pores,and the pore size is exceeding 10 nm. 展开更多
关键词 alkaline lake shale multi-scale pore system fractal dimension nuclear magnetic resonance shale oil occurrence
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CEOE-Net:Chaotic Evolution Algorithm-Based Optimized Ensemble Framework Enhanced with Dual-Attention for Alzheimer’s Diagnosis 认领 引用
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作者 Huihui Yang Saif Ur Rehman Khan +2 位作者 Omair Bilal Chao Chen Ming Zhao 《Computer Modeling in Engineering & Sciences》 SCIE EI 2025年第11期2401-2434,共34页
Detecting Alzheimer’s disease is essential for patient care,as an accurate diagnosis influences treatment options.Classifying dementia from non-dementia in brain MRIs is challenging due to features such as hippocampa... Detecting Alzheimer’s disease is essential for patient care,as an accurate diagnosis influences treatment options.Classifying dementia from non-dementia in brain MRIs is challenging due to features such as hippocampal atrophy,while manual diagnosis is susceptible to error.Optimal computer-aided diagnosis(CAD)systems are essential for improving accuracy and reducing misclassification risks.This study proposes an optimized ensemble method(CEOE-Net)that initiates with the selection of pre-trained models,including DenseNet121,ResNet50V2,and ResNet152V2 for unique feature extraction.Each selected model is enhanced with the inclusion of a channel attention(CA)block to improve the feature extraction process.In addition,this study employs the Short Time Fourier transform(STFT)technique with each individual model for hierarchical feature extraction before making final predictions in classifying MRI images of dementia and non-demented individuals,considering them as backbone models for building the ensemble method.STFT highlights subtle differences in brain structure and activity,particularly when combined with CA mechanisms that emphasize relevant features by converting spatial data into the frequency domain.The predictions generated from these models are then processed by the Chaotic Evolution Optimization(CEO)algorithm,which determines the optimal weightage set for each backbone model to maximize their contribution.The CEO optimizer explores weight distribution to ensure the most effective combination of model predictions for enhancing classification accuracy,thus significantly improving overall ensemble performance.This study utilized three datasets for validation:two private clinical brain MRI datasets(OSASIS and ADNI)to test the proposed model’s effectiveness.Image augmentation techniques were also employed to enhance dataset diversity and improve classification performance.The proposed CEOE-Net outperforms conventional baseline models and existing methods by showing its effectiveness as a clinical tool for the accurate classification of dementia and non-dementia MRI brain images,as well as autistic and non-autistic facial features.It achieved consistent accuracies of 93.44%on OSASIS and 81.94%on ADNI. 展开更多
关键词 Neuroimaging diagnostics channel attention Alzheimer’s disease chaotic evolution optimization image fusion optimized ensemble
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All-flexible self-cleaning hydrogel smart window with multifunctionality based on an electro-thermal manipulator 认领 引用 被引量：1
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作者 Chao Chen Sijia Guo +5 位作者 Long Zhang Bingrui Liu Zhaoxin Lao Shuyi Li Yanlei Hu Dong Wu 《International Journal of Extreme Manufacturing》 SCIE EI CAS CSCD 2026年第1期669-684,共16页
Smart windows that can repel diverse liquids are highly attractive for the development of self-cleaning building system.Despite immense achievements having been made in drophobic smart windows,unfortunately,the limita... Smart windows that can repel diverse liquids are highly attractive for the development of self-cleaning building system.Despite immense achievements having been made in drophobic smart windows,unfortunately,the limitations of inferior transparency,unsatisfactory flexibility,and scarce functionality greatly hinder their practical applications.Here,a multifunctional,all-flexible and slef-cleaning electrothermal-actuated(SETA)module with superior transparency is developed by sandwiching the hydrophobic SiO2 nanoparticles decorated silver nanowires thin-film heater and the thermo-responsive hydrogel.Through loading/discharging an electric stimulus of 5 V,the optical visibility of SETA could be in situ switched between an opaque state(T550=11.0%)and a transparent state(T550=84.9%)relying on the dynamically collapsed and swollen transition of hydrogel on planar and three-dimensional curved surfaces.Moreover,SETA chipset is able to repel diverse liquids,including organic and inorganic species,showcasing an excellent self-cleaning capability.Lastly,all-in-one multifunctionalities,including pixelated display,thermal regulation,defogging,and self-cleaning on a single SETA chipset,are successfully deployed.Compared to the previous windows,the current SETA chipset is more competent for optical switching in reality,owing to its portable,energy-efficient,flexible,highly-transparent,and on-demand manipulating advantages.This work provides inspirations for self-cleaning greenhouse,tunable optics,intelligent vehicles,and so on. 展开更多
关键词 femtosecond laser hydrophobic surface stimulus-responsive manipulator self-cleaning switchable clarity
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Inclusions and phases in Fe-RE-Si steelmaking alloys and their effect on evolution of inclusions in non-oriented silicon steels 认领 引用
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作者 Xiangyu Li Chao Chen +6 位作者 Tao Wang Zhijie Guo Hongyu Wang Haozheng Wang Liqiang Xue Jun Tian Yanhui Sun 《Journal of Rare Earths》 SCIE EI CAS CSCD 2026年第1期377-387,共11页
The magnetic properties of non-oriented silicon steel are affected by the composition and morphology of inclusions in the steel.It is necessary to minimize the number of inclusions and modify the inclusions during the... The magnetic properties of non-oriented silicon steel are affected by the composition and morphology of inclusions in the steel.It is necessary to minimize the number of inclusions and modify the inclusions during the manufacturing process.Rare earth modification of the non-oriented silicon steel is a common practice in steelmaking industry.At present,there is still insufficient research on the properties of rare earth alloys themselves,such as phase composition,inclusions in alloys,and the influence of alloy impurities on inclusions in non-oriented silicon steel.In this paper,the phase composition of Fe-RE-Si alloy was analyzed by X-ray diffraction(XRD)and electron probe microanalysis(EPMA).The inclusions in Fe-RE-Si alloy were analyzed by electrolytic extraction and scanning electron microscopy-energy dispersive spectroscopy(SEM-EDS)methods.Subsequently,non-oriented silicon steel was melted in a high-temperature tubular resistance furnace and the Fe-RE-Si alloy was added for rare earth treatment.The evolution of inclusions in silicon steel after Fe-RE-Si alloy treatment was studied by thermodynamic calculation and SEM-EDS analysis.The results demonstrate that the Fe-RE-Si alloy is made up of two phases,i.e.,the Fe-Si phase and the Ce-Si phase.The inclusions in the alloy are predominately Al-Fe intermetallic compounds and oxide inclusions.The effect of the Fe-RE-Si alloy on the size,morphology and composition of inclusions in non-oriented silicon steel was investigated through high-temperature melting experiments and thermodynamic calculations.The results of experiments show that after treatment with Fe-RE-Si alloy,the rare earth inclusions in non-oriented silicon steel are mainly AlN-RE2O2S composite inclusions,a small amount of AlN-RES and AlN-REAlO3 composite inclusions.The modification sequence of rare earth inclusions in heat A(with a rare earth content of 0.0017 wt%)is as follows:RES/RE2O2S→RE2O2S/REAlO3.Besides,the modification sequence in heat B(with a rare earth content of 0.0119 wt%)is as follows:RE2O3/RE2O2S→RES/RE2O2S.When the rare earth content increases from 0.0017 wt%to 0.0119 wt%,the type of rare earth inclusions changes from RE2O2S/REAlO3 to RES/RE2O2S.The average size of inclusions in two heats increases slightly in 30 min after the addition of Fe-RE-Si alloy.The average size of inclusions in heat A and heat B increases from 1.89 to 2.59μm,and from 1.93 to 2.6μm,respectively.The average size of inclusions in the furnace cooling samples of heat A is larger than that of heat B.In both heats,after the addition of Fe-RE-Si alloy,the proportion of inclusions with the size of 0-2μm decreases and the proportion of inclusions with the size of 2-5μm increases.The effect of rare earth elements coarsening inclusions is significant.By calculating Gibbs free energy of the rare earth inclusions and the phase stability diagram,it is found that the thermodynamic stable inclusions in both heats are RE2O2S. 展开更多
关键词 Rare earths Non-oriented silicon steel Fe-RE-Si alloy Thermodynamic calculation Inclusions Deoxidation
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Exploring the impact of multiple parameter combinations with constant heat input on weld integrity of Mg alloy welded joints prepared by cold metal transfer technology 认领 引用
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作者 Boqiao Ren Chao Chen +5 位作者 Bin Yang Yihao Gao Xinchen Sui Yan Fu Ziwei Li Xiaohui Zhao 《Journal of Magnesium and Alloys》 SCIE EI CAS CSCD 2026年第4期295-312,共18页
Reasonably controlling heat input is crucial for optimizing the weld quality of Mg alloys with thermal sensitivity.But it falls to meet diverse requirements of industrial welded structures.This study synchronously adj... Reasonably controlling heat input is crucial for optimizing the weld quality of Mg alloys with thermal sensitivity.But it falls to meet diverse requirements of industrial welded structures.This study synchronously adjusts welding current,voltage and speed with constant heat input to achieve further regulation on weld quality of Mg alloy thin plate welded joints.Increasing three parameters significantly expanded melting width and area,with a lower heat-affected zone under full penetration.And equiaxed grains gradually replaced columnar grains at the fusion line.More precipitate phases formed in the weld zone at the same time,inducing a greater hardness.Moreover,higher arc energy promoted recrystallization,weakening the crystallographic texture and internal stress of welded joints.Especially at a wire feed rate of 7 m/min,the subgrain boundary content and kernel average misorientation were far lower than other joints.Although these evolutions had minimal impacts on tensile strength,elongation and yield strength exhibited a fluctuating state that initially decrease then raise.A superior tensile behavior was achieved at a wire feed rate of 6 m/min.The findings highlight significant impacts of varying welding parameters on weld quality under constant heat input,offering new insights for optimizing Mg alloy welding to meet diverse structural needs. 展开更多
关键词 Magnesium alloy Cold metal transfer technology Constant heat input Macroscopic morphology Microstructure Mechanical properties
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Development of individualized surgical strategies for pediatric hypospadias:a multicenter penile morphometric analysis 认领 引用
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作者 Yi-Wei Fang Hong-Cheng Song +15 位作者 Yun-Man Tang Lu-Gang Huang Yi Yang Min Chao Hong Ma Jing-Ti Zhang Xu-Hui Zhang Shou-Lin Li Ning Li Chao Chen Da-Wei He Wen-Bo Wu Hua Xie Yong Guan Yan-Fang Yang Jian-Guo Zhang 《Asian Journal of Andrology》 SCIE CAS CSCD 2026年第3期259-266,共8页
This multicenter study aimed to establish a quantitative, individualized surgical decision algorithm for pediatric hypospadias by analyzing multicenter penile anatomical data, surgical approaches, and follow-up outcom... This multicenter study aimed to establish a quantitative, individualized surgical decision algorithm for pediatric hypospadias by analyzing multicenter penile anatomical data, surgical approaches, and follow-up outcomes. To achieve this purpose, clinical data from 1500 primary hypospadias cases across 17 tertiary centers in China (December 2018 to September 2021) were retrospectively reviewed, with patients stratified into urethral plate preservation group (n = 715) and transection group (n = 785). Using multivariate logistic regression, key predictors for intraoperative urethral plate transection were identified, and morphometric parameters were analyzed to guide surgical selection. This analysis led to the development of a predictive nomogram and risk stratification thresholds, which were subsequently validated. The results demonstrated that significant predictors of transection included glans length (odds ratio [OR]: 1.17, 95% confidence interval [CI]: 1.07–1.29), glans width (OR: 0.35, 95% CI: 0.29–0.43), and penile curvature (OR: 1.07, 95% CI: 1.06–1.08), with the nomogram showing excellent discrimination (area under the receiver operating characteristic curve [AUC]: 0.914 in training and 0.87 in validation). Furthermore, for urethral plate preservation, a urethral plate width threshold of 4.25 mm differentiated optimal candidates for tubularized incised plate urethroplasty (width ≥4.25 mm) versus onlay island flap (width 3.55 cm was associated with higher complication rates in single-stage repairs (45.8% vs 33.4%, P < 0.05), favoring staged approaches. This algorithm integrates preoperative morphometrics and intraoperative measurements to provide objective, quantifiable guidance for individualized surgical planning, particularly benefiting less experienced surgeons. 展开更多
关键词 hypospadias multicenter study penile morphometry surgical algorithm urethroplasty
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Advances in extraction,purification,and pharmacological mechanisms of calycosin:a comprehensive review 认领 引用
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作者 Keke Liang Chao Chen +8 位作者 Liang Xu Shuhe Ma Yanlin Ta Renjie Wang Chenrong Xiao Xianxie Zhang Feiran Hao Yue Gao Maoxing Li 《Chinese Journal of Natural Medicines》 SCIE CAS CSCD 2026年第6期672-695,共24页
Calycosin,a pivotal isoflavonoid active constituent derived from Astragalus membranaceus,is designated as a key marker compound for the quality assessment of Astragalus and its products in the Pharmacopoeia of the Peo... Calycosin,a pivotal isoflavonoid active constituent derived from Astragalus membranaceus,is designated as a key marker compound for the quality assessment of Astragalus and its products in the Pharmacopoeia of the People’s Republic of China(2020 Edition).It exhibits a broad spectrum of pharmacological activities and holds significant potential for clinical application.This article systematically reviews the research progress on calycosin.In terms of extraction,isolation,and purification,techniques such as flash extraction and hydrolytic extraction enable efficient enrichment of the compound,whereas methods such as macroporous adsorption resin and high-speed counter-current chromatography allow for high-purity preparation.The biosynthetic pathways of calycosin encompass the phenylpropanoid pathway in planta,the chemical“one-pot”method in vitro,and synthesis via microbial cell factories,offering diverse strategies for large-scale production.Structural derivatization,particularly through modification of the 7-and 3′-hydroxyl groups,significantly enhances its solubility and antitumor activity.With respect to pharmacological mechanisms,calycosin exerts multi-pathway and low-toxicity effects in diseases such as inflammation,cancer,and neural injury by modulating multiple signaling pathways,including NF-κB,PI3K/AKT,and MAPK.Furthermore,pharmacokinetic studies indicate that its absorption depends on deglycosylation,that it undergoes substantial hepatic first-pass metabolism,and that its tissue distribution is organ-specific.Safety evaluations suggest low toxicity at therapeutic concentrations.This review aims to clarify the core issues concerning the translation of basic research on calycosin into clinical practice,thereby providing a theoretical foundation for subsequent development. 展开更多
关键词 Calycosin Astragalus membranaceus Pharmacological activities Structural derivatization Biosynthesis
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Generation of a high-power,broadband supercontinuum spanning from visible to mid-infrared via incoherent beam combination in a GeO2-core fiber bundle 认领 引用
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作者 Kai Xia Ruipeng Hou +11 位作者 Xuzhao Zhang Chonghao Huang Lele Yu Biaoqi Wen Chao Chen Zhilin Zhang Zhicheng Zhang Chao Mei Xing Luo Peilong Yang Shixun Dai Qiuhua Nie 《High Power Laser Science and Engineering》 SCIE EI CAS CSCD 2026年第2期20-27,共8页
In this work,we experimentally demonstrate a high-power supercontinuum(SC)that covers from visible to mid-infrared(MIR)in a GeO2-core fiber(GCF)bundle via incoherent beam combination.In the experiment,the SC generatio... In this work,we experimentally demonstrate a high-power supercontinuum(SC)that covers from visible to mid-infrared(MIR)in a GeO2-core fiber(GCF)bundle via incoherent beam combination.In the experiment,the SC generation in a single GCF was initially explored,and an SC spanning from visible to MIR regions was obtained,with average power of less than 10 W.To increase the output power,we fabricated a 3×1 high-power GCF-based tapered fiber bundle,incoherently combining three channels of the previously mentioned replicas.This yielded a broadband SC spectrum with a maximum average power of 23.1 W and a spectral bandwidth covering 0.73–3.1μm.The obtained spectrum power fluctuation was measured over 1 hour,showing a root mean square value of 0.7%.To the best of our knowledge,this represents the highest power SC from visible to MIR regions obtained in GCFs pumped by 1.55μm high-power pulses. 展开更多
关键词 all-fiber laser beam combination GeO2-core fiber supercontinuum generation tapered fiber bundle
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Evaluation on disinfection by-products control by the conventional and O3-biological activated carbon process:Based on long term operation results 认领 引用
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作者 Fan Zhou Yuxuan Xie +6 位作者 Yu Wang Yinan Liu Menglan Gao Jun Wang Shuguang Xie Xiaobin Liao Chao Chen 《Journal of Environmental Sciences》 SCIE EI CAS CSCD 2026年第8期62-72,共11页
The advanced treatment of ozone-biological activated carbon(O3-BAC)has been widely applied in drinking water treatment plants(DWTPs)globally.However,its performance varies greatly with source water quality and oper... The advanced treatment of ozone-biological activated carbon(O3-BAC)has been widely applied in drinking water treatment plants(DWTPs)globally.However,its performance varies greatly with source water quality and operation time.This study took three long-term operated DWTPs in East China with conventional and O3-BAC process as the research objects.The bulk water quality indices and disinfection by-products(DBPs)precursors in lake or river source waters and unit process effluent were detected monthly for one year.The lake source water has higher organic matter and less nitrogenous matter than river source water.The average removal of DOC,UV254,DON,trihalomethane formation potential(THMFP),N-nitrosodimethylamine(NDMA)and NDMAFP by each DWTP was in range of 30.2%-39.1%,57.1%-75.0%,36.4%-61.6%,35.6%-39.6%,87.6%-94.0%and 49.7%-74.4%,respectively.The O3-BAC process contributed less removal on these indices than the conventional part.Notably,the removal of BAC processes varied substantially among DWTPs,potentially linked to activated carbon media life(from months to 10 years),i.e.media replacing interval.As BAC media life increases,its adsorption performance gradually deteriorates,while biofilm development,biomass,and microbial activity increase greatly and the microbial communities show higher diversity.However,the enhancement of biological activity fails to compensate for the decline in adsorption of bulk organic matter,THMFP,and NDMAFP.This study highlights the critical impacts of source water and BAC media life on controlling DBPs and their precursors,providing key insights for optimizing drinking water treatment. 展开更多
关键词 Ozone-biological activated carbon Disinfection by-products Trihalomethanes N-Nitrosodimethylamine Precursor
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Review of hybrid additive-subtractive manufacturing of stainless steel for repair applications 认领 引用
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作者 Wenbo Du Xinye Li +2 位作者 Jinchen Zhang Chao Chen Sheng Zhu 《Additive Manufacturing Frontiers》 CAS CSCD 2026年第1期1-31,共31页
Metal hybrid additive-subtractive manufacturing,a cutting-edge approach in modern manufacturing technology,enables a unified improvement in design flexibility and manufacturing accuracy by synergistically integrating ... Metal hybrid additive-subtractive manufacturing,a cutting-edge approach in modern manufacturing technology,enables a unified improvement in design flexibility and manufacturing accuracy by synergistically integrating the free-form capability of additive manufacturing(AM)with the precision machining advantages of subtractive manufacturing(SM).This technology demonstrates significant value,particularly in the fabrication and repair of complex stainless-steel components,overcoming the limitations of traditional processing of geometric configurations while ensuring dimensional accuracy and surface quality through subsequent finishing processes.This paper systematically reviews the latest research progress in metal hybrid additive-subtractive manufacturing,focusing on analyzing typical process methods and applicable material types.In response to application demands in fields such as aerospace,medical devices,and the automotive industry,this paper explores the potential of this technology in the manufacturing of stainless-steel components,as well as its current applications in remanufacturing and repair.Additionally,the two process forms of sequential and collaborative manufacturing are compared in depth,and the differences between the two modes were analyzed.Finally,future technological development trends are summarized and discussed. 展开更多
关键词 Hybrid additive-subtractive manufacturing Additive manufacturing Subtractive manufacturing Stainless steel Applications
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A multi-scale fracture prediction method based on improved deep embedded clustering 认领 引用
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作者 Yu-jia Lu Chao Chen +2 位作者 Zhu-jiang Liu Fu-bin Wei Zhe-ge Liu 《Applied Geophysics》 SCIE CSCD 2026年第2期571-590,867,共20页
Accurately characterizing the distribution and scale characteristics of fractures in subsurface media is a crucial step for quantitatively evaluating shale gas sweet spots and guiding reservoir fracturing stimulation.... Accurately characterizing the distribution and scale characteristics of fractures in subsurface media is a crucial step for quantitatively evaluating shale gas sweet spots and guiding reservoir fracturing stimulation.However,a single seismic attribute is often used to identify fracture features of a specifi c scale,making it diffi cult to achieve detailed characterization of fractures across multiple scales simultaneously.Multi-attribute fusion algorithms often focus on statistical correlations,lacking in-depth exploration of the spatial topological relationships and intrinsic physical connections among fractures of diff erent scales,resulting in reduced accuracy in complex structural areas.To address this challenge,we propose a multi-scale integrated fracture prediction method based on an improved deep embedded clustering(DEC)framework,using the marine shale reservoir of the Wufeng–Longmaxi Formation in southeastern Sichuan Basin as a case study.Specifically,(1)an improved DEC objective function integrating fracture topology constraints and cluster-balancing mechanisms is developed to enhance the model’s adaptability to complex geological structures;(2)an“expand–then–contract”stacked autoencoder architecture is designed to better capture nonlinear relationships among multi-attribute data and decouple multi-scale fracture features;and(3)an integrated workfl ow from multi-attribute optimization,intelligent fusion clustering to geological interpretation is established,enabling diff erentiated and high-precision characterization of multi-scale fractures.Furthermore,based on the geological characteristics of the study area,we systematically analyze the spatial mapping relationships of the autoencoder’s multi-layer features and elucidate their implicit geophysical signifi cance.This analysis reveals the intrinsic processes through which the proposed model performs fracture attribute optimization,noise separation,and multi-scale feature extraction.Finally,by integrating intelligent fault identifi cation,micro-fracture amplitude variation with azimuth(AVAZ)inversion,and conventional geometric attributes,high-precision spatial characterization of the fracture system is achieved,spanning from large-scale faults to micro-fractures.The prediction results show strong agreement with geological understanding. 展开更多
关键词 Multi-scale fractures Deep embedded clustering Deep learning Autoencoding Marine shale
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CYP3A triggers BDE47-induced ferritinophagy and ferroptosis in spermatogenic cells through ROS-mediated m6A regulation of ATG12 认领 引用 被引量：1
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作者 Shuyu Xu Wenxia Fan +7 位作者 Jiangxue Qian Yuewen He Chunjin Li Chao Chen Li Wang Yongquan Yu Chao Wang Shoulin Wang 《Journal of Biomedical Research》 CAS CSCD 2026年第4期364-382,I0001-I0003,共19页
Cytochrome P450 CYP3A(CYP3A)is among the most abundant hepatic cytochrome P450 subfamilies and also mediates the metabolism and toxicity of xenobiotics.Previous studies have reported that CYP3A is also expressed in th... Cytochrome P450 CYP3A(CYP3A)is among the most abundant hepatic cytochrome P450 subfamilies and also mediates the metabolism and toxicity of xenobiotics.Previous studies have reported that CYP3A is also expressed in the testis;however,its role and molecular mechanism in mediating male reproductive damage remain unclear.In this study,through in vitro and in vivo experiments,we demonstrated the role of CYP3A in 2,2',4,4'-tetrabromodiphenyl ether(BDE47)-induced reproductive toxicity.The results showed that BDE47 induced CYP3A expression in mouse testes,leading to oxidative stress and ferroptosis through excessive reactive oxygen species(ROS)and ferrous iron(Fe2+)overload,which was demonstrated by CYP3A overexpression or knockdown experiments in GC-2 cells.Mechanistically,in addition to direct ROS generation during metabolic processing,ferritinophagy contributed to intracellular Fe2+accumulation.Specifically,BDE47-induced ROS was associated with reduced N6-methyladenosine(m6A)modification of Atg12 mRNA and increased autophagyrelated(ATG12)expression,thereby promoting ferritin heavy chain 1(FTH1)degradation and subsequent Fe2+overload.These results were further validated by experiments using hydrogen peroxide or antioxidants in GC-2cells,as well as by Atg12 haploinsufficiency in mice.Our findings demonstrate that CYP3A plays a critical role in male reproductive toxicity induced by BDE47. 展开更多
关键词 cytochrome P4503A 2 2' 4 4'-tetrabromodiphenyl ether reactive oxygen species ferritinophagy N6-methyladenosine male reproductive damage
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Promoting exciton dissociation in crystalline carbon nitride via cation-anion synergy for hydrogen peroxide photosynthesis 认领 引用
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作者 Junqing Li Kelin He +7 位作者 Ying Tao Chao Chen Linfu Xie Yunfei Ma Junpeng Wang Changwen Xu Yang Li Qitao Zhang 《Chinese Journal of Catalysis》 SCIE EI CAS CSCD 2026年第3期174-186,共13页
Enhancing the carrier separation efficiency and charge transport properties of polymeric carbon nitride(PCN)has been a major focus of research.Extensive interest has been directed toward its modification and functiona... Enhancing the carrier separation efficiency and charge transport properties of polymeric carbon nitride(PCN)has been a major focus of research.Extensive interest has been directed toward its modification and functionalization.In this study,a molten-salt approach was employed to simultaneously introduce cationic(K+)and anionic(-C≡N)species,enabling the one-step synthesis of highly crystalline PCN with significantly improved carrier separation and charge transport efficiencies.Comprehensive experimental characterization and theoretical calculations reveal that the coupling interaction between the cations and anions substantially increased the localized charge distribution,thereby facilitating exciton dissociation.Moreover,the incorporation of-C≡N and K+ion pairs enhanced the adsorption and activation of O2,driving the two-electron oxygen reduction reaction(2e-ORR)to produce H2O2,exhibiting a remarkable 46.6-fold increase over unmodified PCN.This work provided valuable insights into the critical role of cation-anion pairs in enhancing exciton dissociation,paving the cost-effective way for photocatalysts toward efficient solar energy conversion and high-value-added chemicals artificial photosynthesis. 展开更多
关键词 Polymeric carbon nitride Cation-anion ion pairs Molten salt approach Exciton dissociation H2O2photosynthesis
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Discussion on the thermal conductive network threshold of Al2O3/Co-continuous phase polymer composites 认领 引用
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作者 Qigang Li Jianyun Ding +4 位作者 Youfang Zhang Weiwei Lei Zhaoyang Wei Chao Chen Dean Shi 《Nano Materials Science》 EI CAS CSCD 2026年第2期466-473,共8页
Achieving high thermal conductivity in polymer composites with micro or nanoparticle fillers are challenging.Typically,over 50 vol%filler loading is necessary to form a thermal conductive network.However,even with suc... Achieving high thermal conductivity in polymer composites with micro or nanoparticle fillers are challenging.Typically,over 50 vol%filler loading is necessary to form a thermal conductive network.However,even with such a network in place,the increase in thermal conductivity may not be significant compared to that in electrically conductive composites.To clarify the ideal filler network structure,we endeavored to selectively disperse nano-sized Al2O3nanoparticles at the interface of co-continuous SEBS/PA6 blends,with and without various filler surface modification methods.A thermal conductive network forms when all interface areas are fully covered by 2.56 vol%of Al2O3nanoparticles(very close to theoretical loading content 2.29 vol%).In this case,the Al2O3nanoparticle has the highest thermal conductive contribution(TCC).However,the absolute TCC values are extremely low because of the interfacial thermal resistance and it will decrease when the filler content exceeds 2.56 vol%,indicating that some nanoparticles are dispersed separately out of the existed thermal conductive network.These findings suggest that the construction of a connected thermal conductive network,relatively lower interfacial thermal resistance and the precise positioning of fillers within this network are essential for achieving high thermal conductivity composites. 展开更多
关键词 Al2O3nanoparticles Co-continuous structure Selective distribution Thermal conducive Phase interface
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Directional Reconstruction of Spent Lithium Cobalt Oxide by Microwave Plasma:Efficient Oxygen Evolution Catalyst from Closed-Loop Recovered Resources 认领 引用
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作者 Chao Chen Qixuan Zhu +8 位作者 Minghui Shan Lei Cheng Weiwei Wang Zhiqiang Lu Yi Wang Hengda Sun Yusuke Yamauchi Jing Tang Guiyin Xu 《Nano-Micro Letters》 SCIE EI CAS CSCD 2026年第9期894-909,共16页
The key challenge of water electrolysis is the high energy barrier of the oxygen intermediate of the oxygen evolution reaction(OER)and the unclear catalytic active sites.The recycling of valuable metals from spent bat... The key challenge of water electrolysis is the high energy barrier of the oxygen intermediate of the oxygen evolution reaction(OER)and the unclear catalytic active sites.The recycling of valuable metals from spent batteries and their reconstruction into high-performance electrolytic water catalysts offers significant economic and environmental benefits.In this work,we report a Co3O4/NiFe-layered double hydroxide heterostructure electrocatalyst by reconstruction of spent LiCoO2cathode material through microwave plasma treatment and then compositing with NiFe-layered double hydroxides through a simple hydrothermal method.This catalyst achieves a low overpotential of 235 mV at 10 mA cm-2for OER and exhibits prolonged stability at high current densities when integrated into an alkaline electrolyzer,which surpasses commercial IrO2.In situ spectral analysis and density functional theory demonstrate that the presence of heterostructures between Co3O4 and NiFe-LDH optimizes the charge transport path and reduces the interface resistance.Specifically,the charge redistribution optimizes the adsorption energy of oxygenated intermediates on the Ni and Fe sites,thereby optimizing the reaction pathway and significantly improving the overall OER catalytic efficiency.This work provides a green and scalable way to convert spent metal sources into high-value electrocatalysts,while addressing critical challenges in energy storage and sustainable hydrogen production. 展开更多
关键词 Battery recycling Microwave plasma treatment Heterostructure Electrolyzed water
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Study on pollutant reduction effect and environmental benefits of ultra-low emission retrofit of iron and steel sintering process:A case study of a steel group in Gansu province 认领 引用
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作者 Yuhao Zhang Peiqiang Zhao +5 位作者 Mingli Li Xinglin Zhang Zewei Liu Dahai Yan Chao Chen Wei Fang 《Chinese Journal of Chemical Engineering》 SCIE EI CAS CSCD 2026年第1期220-229,共10页
Iron and steel industry is one of the main sources of air pollution emissions in China.The sintering process is an important link in the blast furnace ironmaking process,but it is also accompanied by a large number of... Iron and steel industry is one of the main sources of air pollution emissions in China.The sintering process is an important link in the blast furnace ironmaking process,but it is also accompanied by a large number of pollutants.Under the background of ultra-low emissions,iron and steel enterprises urgently need to upgrade their existing processes to address the existing process in practical application problems.In this study,a steel group in Gansu Province was taken as an example.By comparing and analyzing the pollutant emission characteristics before and after the ultra-low emission retrofit,the collaborative control effect of the combined process on SO2,NOx,particulate matter,and dioxins after the new retrofit was systematically evaluated.The results show that after the retrofit,the concentrations of particulate matter,SO2 and NOx have dropped to near-zero levels,and the dioxin removal efficiency has reached 98.87%,with all indicators being better than the national ultra-low emission standards.The study confirms that the optimal combination of multi-pollutant collaborative treatment technologies is the key to achieving efficient emission reduction,among which selective catalytic reduction technology has a particularly significant synergistic removal effect on NOx and dioxins.This study provides an important technical reference and practical basis for the ultra-low emission retrofit of the steel industry,and has important guiding significance for promoting the green retrofit of the industry.Its ultra-low emission retrofit is of great significance for achieving green and low-carbon development. 展开更多
关键词 Ultra-low emission Collaborative governance Sintering process Emission reduction effect
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Impact of rebleeding after transjugular intrahepatic portosystemic shunt on liver-related death based on liver function categories 认领 引用
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作者 Jun-Yuan Zhu Jun Tie +18 位作者 Yi-Fu Xia Guang-Chuan Wang Yu-Zheng Zhuge Hao Wu Xiao-Li Zhu Hui Xue Jiao Xu Feng Zhang Lian-Hui Zhao Guang-Jun Huang Ming-Yan Zhang Zhen Li Bo Wei Pei-Jie Li Ze Wang Wei Wu Chao Chen Cheng-Wei Tang Chun-Qing Zhang 《World Journal of Gastroenterology》 SCIE CAS 2026年第17期44-55,共12页
BACKGROUND The effect of post-transjugular intrahepatic portosystemic shunt(TIPS)rebleeding on liver-related mortality remains uninvestigated.AIM To investigate the relationship between post-TIPS rebleeding and liver-... BACKGROUND The effect of post-transjugular intrahepatic portosystemic shunt(TIPS)rebleeding on liver-related mortality remains uninvestigated.AIM To investigate the relationship between post-TIPS rebleeding and liver-related mortality in patients with cirrhosis and to conduct subgroup analyses based on liver function.METHODS This study included 1782 patients who underwent covered TIPS at seven medical centers to prevent rebleeding.The primary endpoints were liver-related death and all-cause rebleeding.Propensity score matching,adjusted survival curves,and competing risk analyses based on liver transplantation and non-liver death were performed to ensure the robustness of the results.RESULTS During a median follow-up period of 32.25 months,346 patients(19.4%)developed post-TIPS rebleeding,and 429(24.1%)died from liver-related causes.Chronic HBV infection was the predominant cirrhosis etiology.Multivariable analysis identified older age,higher Child-Pugh and model for end-stage liver disease-Na scores,and post-TIPS rebleeding as independent predictive factors for liver-related mortality.Liver-related mortality increased by approximately 49.4%in the rebleeding group compared with the no-bleeding group.These findings remained consistent after propensity score matching,survival curve adjustment,and competing risk assessment.Similar findings were observed across different liver function subgroups.CONCLUSION Post-TIPS rebleeding was significantly associated with higher mortality in patients with cirrhosis and variceal bleeding irrespective of liver function category. 展开更多
关键词 Liver cirrhosis Portal hypertension Variceal rebleeding Mortality Transjugular intrahepatic portosystemic shunt
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Virtual Synchronous Generator Control Strategy Based on Parameter Self-Tuning 认领 引用
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作者 Jin Lin BinYu +3 位作者 Chao Chen Jiezhen Cai Yifan Wu Cunping Wang 《Energy Engineering》 EI 2026年第1期181-203,共23页
With the increasing integration of renewable energy,microgrids are increasingly facing stability challenges,primarily due to the lack of inherent inertia in inverter-dominated systems,which is traditionally provided b... With the increasing integration of renewable energy,microgrids are increasingly facing stability challenges,primarily due to the lack of inherent inertia in inverter-dominated systems,which is traditionally provided by synchronous generators.To address this critical issue,Virtual Synchronous Generator(VSG)technology has emerged as a highly promising solution by emulating the inertia and damping characteristics of conventional synchronous generators.To enhance the operational efficiency of virtual synchronous generators(VSGs),this study employs smallsignal modeling analysis,root locus methods,and synchronous generator power-angle characteristic analysis to comprehensively evaluate how virtual inertia and damping coefficients affect frequency stability and power output during transient processes.Based on these analyses,an adaptive control strategy is proposed:increasing the virtual inertia when the rotor angular velocity undergoes rapid changes,while strengthening the damping coefficient when the speed deviation exceeds a certain threshold to suppress angular velocity oscillations.To validate the effectiveness of the proposed method,a grid-connected VSG simulation platform was developed inMATLAB/Simulink.Comparative simulations demonstrate that the proposed adaptive control strategy outperforms conventional VSGmethods by significantly reducing grid frequency deviations and shortening active power response time during active power command changes and load disturbances.This approach enhances microgrid stability and dynamic performance,confirming its viability for renewable-dominant power systems.Future work should focus on experimental validation and real-world parameter optimization,while further exploring the strategy’s effectiveness in improvingVSG low-voltage ride-through(LVRT)capability and power-sharing applications in multi-parallel configurations. 展开更多
关键词 New power system grid-connected inverter virtual synchronous generator(VSG) virtual inertia damping coefficient adaptive control
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A new combined method to enhance adhesive bonding of Al2O3 ceramic/aluminum by chemical pretreatment and ultrasonic 认领 引用
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作者 Zhengwu Zhou Chao Chen 《Chinese Journal of Mechanical Engineering》 SCIE EI CAS CSCD 2026年第3期271-279,共9页
To effectively improve the interfacial adhesion between aluminum alloy 2024 and aluminum oxide ceramic substrates,a combined surface pretreatment and ultrasonic-assisted method was applied.Firstly,the surface of the a... To effectively improve the interfacial adhesion between aluminum alloy 2024 and aluminum oxide ceramic substrates,a combined surface pretreatment and ultrasonic-assisted method was applied.Firstly,the surface of the aluminum alloy 2024 plate was roughened through hydrochloric acid etching under different concentrations and durations.The trend between joint strength and surface roughness of aluminum alloy 2024 remained largely consistent.The maximum bonding strength 27.82 MPa was achieved at a hydrochloric acid concentration of 15%and an etching time of 100 s.Subsequently,ultrasonic vibration was introduced during the adhesive bonding process.By integrating chemical etching with ultrasonic-assisted adhesive pretreatment,the strength of the adhesive-bonded joint was remarkably improved by 73.47%,from 18.13 MPa to 31.45 MPa.Without ultrasonic assistance,there were many flaws and defects along the adhesive-to-plates interface.However,ultrasonic as-sistance resulted in a void-free and uniformly distributed adhesive layer. 展开更多
关键词 Ultrasonic vibration Hydrochloric acid etching Adhesive bonding Strengthening
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离子极化工程调控聚合物氮化碳框架结构实现双氧水高效人工光合成 认领 引用
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作者 谢垚 李双军 +3 位作者 陈超 樊思宇 陶英 张启涛 《物理化学学报》 SCIE CAS CSCD 北大核心 2026年第5期38-53,共16页
熔盐极化技术利用高温熔盐中的离子相互作用,成为一种强大但尚未充分开发的结构工程策略。该技术能实现对聚合氮化碳(PCN)的精确结构调控,为提升光催化H2O2合成效率提供了新思路。本研究通过调控LiCl/KCl熔盐比例,成功构建了两种... 熔盐极化技术利用高温熔盐中的离子相互作用,成为一种强大但尚未充分开发的结构工程策略。该技术能实现对聚合氮化碳(PCN)的精确结构调控,为提升光催化H2O2合成效率提供了新思路。本研究通过调控LiCl/KCl熔盐比例,成功构建了两种不同晶相结构:以七嗪单元为主的LKCN-0.95和七嗪-三嗪给受体(D-A)结结构的LKCN-0.2。结合实验与理论分析发现,富Li+熔盐体系促进高度有序七嗪骨架形成,而K+主导体系则有利于三嗪单元的引入。优化后的七嗪主导结构和七嗪-三嗪结结构分别展现出27倍和42倍的光合成H2O2性能提升(3.3和5.2 mmol L-1 h-1),较原始PCN(0.12 mmol L-1 h-1)显著提高,并保持五个循环的优异稳定性。机理研究表明,结构调控可增强电荷分离效率并优化氧吸附/活化过程,从而促进选择性2e−氧还原反应。该工作不仅深化了对熔盐驱动结构演变的理解,更为设计高效太阳能驱动H2O2人工光合成催化剂提供了可规模化制备的新方法。 展开更多
关键词 聚合碳氮化物 七嗪‐三嗪 离子极化 过氧化氢 光合成
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