期刊文献+
任意字段
题名或关键词
题名
关键词
摘要
作者
第一作者
机构
刊名
分类号
参考文献
作者简介
基金资助
栏目信息
共找到10,922篇文章
< 1 2 … 250 >
每页显示 20 50 100
已选0条
引用分析
参考文献
引证文献
 统计分析
检索结果
已选文献
显示方式：
Evolutional Algorithm Based Cascade Long Reach Passive Optical Networks Planning 认领 引用
1
作者 顾仁涛 刘晓旭 +1 位作者 李慧 柏琳 《China Communications》 SCIE CSCD 2013年第4期59-69,共11页
In this paper, we propose a mathe- matical model for long reach Passive Optical Networks （PON） planning. The model consid- ers the traffic demand, user requirements and physical constraints. It can support conven- t... In this paper, we propose a mathe- matical model for long reach Passive Optical Networks （PON） planning. The model consid- ers the traffic demand, user requirements and physical constraints. It can support conven- tional star-like topologies as well as cascade PON networks. Then a two-stage evolutional algorithm is described to solve this problem. The first stage was to find a proper splitter can- didate site set, composing the outer loop. The second stage aimed to get the optimal topology when the splitter locations were selected, com- posing the internal loop. In this algorithm, the Pr/ifer sequence is used to build up a one-to-one correspondence between a PON network configuration and a chromosome. Compared with the results obtained by the enumeration method, the proposed model and algorithm are shown to be effective and accu- rate. 展开更多
关键词 passive optical networks net-work planning evolutional algorithm Pr/ifersequence
暂未订购 下载PDF
Embed-Solitons and Their Evolutional Behaviors of(3+1)-Dimensional Burgers System 认领 引用
2
作者 ZHU Hai-Ping ZHENG Chun-Long 《Communications in Theoretical Physics》 SCIE CAS 2007年第7期57-62,共6页
With the help of an extended mapping approach and a linear variable separation method,new families ofvariable separation solutions with arbitrary functions for the(3+1)-dimensional Burgers system are derived.Based ont... With the help of an extended mapping approach and a linear variable separation method,new families ofvariable separation solutions with arbitrary functions for the(3+1)-dimensional Burgers system are derived.Based onthe derived exact solutions,some novel and interesting localized coherent excitations such as embed-solitons are revealedby selecting appropriate boundary conditions and/or initial qualifications.The time evolutional properties of the novellocalized excitation are also briefly investigated. 展开更多
关键词 extended mapping method (3+1)-dimensional Burgers system embed-soliton evolutional behavior
暂未订购 下载PDF
The Function and Evolutional Model Research on Tourism E-commerce 认领 引用
3
作者 DENG Zhong-chun 《Chinese Business Review》 2007年第1期65-68,共4页
Tourism E-commerce in the tourism long-term development of tourism, plays an important industry, as the application function on its own for the role in E-commerce, and the E-commerce tourism site as a tourist carder a... Tourism E-commerce in the tourism long-term development of tourism, plays an important industry, as the application function on its own for the role in E-commerce, and the E-commerce tourism site as a tourist carder and its function determined the functions of tourism E-commerce. Moreover, the evolution of E-commerce and tourism are closely related to the evolution of tourism websites. The evolution of E-commerce can guide our future tourism development. 展开更多
关键词 tourism E-commerce function evolutional model
暂未订购 下载PDF
THE "REBEL TRAVELLING" OF GENERAL NONLINEAREVOLUTIONAL EQUATION AND DISCUSSIONON RELATED PROBLEMS 认领 引用
4
作者 欧阳首承 王永中 +1 位作者 吴勇 李超 《Applied Mathematics and Mechanics(English Edition)》 SCIE EI 1998年第2期179-189,共11页
This paper is a part of series works for discussing the 'auto-destruction effects' of general nonlinear evolutional equations. The blown-up of Navier-Stokes equation is discussed in references [1, 2]. Some exp... This paper is a part of series works for discussing the 'auto-destruction effects' of general nonlinear evolutional equations. The blown-up of Navier-Stokes equation is discussed in references [1, 2]. Some expansion is made in this paper, and the blown-up of order-1 or 2 models and the 'rebel travelling' of complex model of poly-order are discussed. The results indicate that 'semi-rupture' appears for some models on specific condition: the blown-up appears during the whole evolution. For fluid, however, the weakly-nonlinear model is of more artificiality and there is much room for arguing about the smoothing scheme of the numerical integral on the basis of continuous thinking and so on. 展开更多
关键词 'rebel travelling' blown-up 'semi-rupture whole evolution
暂未订购 下载PDF
The Study on the Evolutional Mechanics of Technological Innovation Network 认领 引用 被引量：1
5
作者 Jianqi Mao 《Chinese Business Review》 2003年第3期70-75,共6页
Based on the statistical mechanics and technology innovation network, this paper analyzed network evolutional mechanics, and constituted its evolutional model.
关键词 technology innovation network evolution model
暂未订购 下载PDF
Global Properties of Evolutional Lotka-Volterra System 认领 引用
6
作者 Masafumi Yoshino Yoshinari Tanaka 《Advances in Pure Mathematics》 2013年第9期709-718,共10页
We will study global properties of evolutional Lotka-Volterra system. We assume that the predatory efficiency is a function of a character of species whose evolution obeys a quantitative genetic model. We will show th... We will study global properties of evolutional Lotka-Volterra system. We assume that the predatory efficiency is a function of a character of species whose evolution obeys a quantitative genetic model. We will show that the structure of a solution is rather different from that of a non-evolutional system. We will analytically show new ecological features of the dynamics. 展开更多
关键词 Lotka-Volterra System Global Dynamics Evolution
暂未订购 下载PDF
Linking evolution of heterogeneous microstructure and rheology of granite to 1000℃ 认领 引用 被引量：4
7
作者 Liyuan Liu Shengwen Luo +4 位作者 Derek Elsworth Kai Liu Yifan Luo Hongguang Ji Tao Wang 《Journal of Rock Mechanics and Geotechnical Engineering》 SCIE CSCD 2026年第3期1842-1857,共16页
The study of the effects of thermal damage on the mineral components,microstructure,and macroscopic physico-mechanical properties of rocks can provide valuable references for rock engineering design and long-term safe... The study of the effects of thermal damage on the mineral components,microstructure,and macroscopic physico-mechanical properties of rocks can provide valuable references for rock engineering design and long-term safety evaluations.In this work,we systematically study the evolution of microstructure and variations in the mechanical properties of granite under high-temperature conditions.The microstructural changes and macro-mechanical properties of rocks are investigated across a temperature range of 25℃–1000℃ through the application of characterization techniques,macro-mechanical experiments,and numerical simulations.High temperatures induce the gradual evolution of micropores and mesopores into macropores,culminating in a significant increase in porosity,with the most rapid rate of increase occurring at 400℃.The X-ray diffraction(XRD)results indicate that the high-temperature environment(below 1000℃)specifically affects the intensity of the maximum diffraction peaks and the half-height width(FWHM)of each mineral component in the granite.The scanning electron microscope(SEM)observation confirms the development of fracture and the reduction in cementation between mineral particles under different temperatures.Additionally,uniaxial and triaxial compression tests were conducted using the GCTS mechanical loading system.Experimental results reveal that the threshold temperature for granite damage is 400℃,and the temperature range for the brittle-ductile transition of granite lies roughly between 600℃ and 800℃.Numerical simulations were performed by employing non-homogeneous rock damage theory and a thermal-mechanical-damage coupling model.Simulated results align well with experimental data.Specifically,the simulations demonstrate that high-temperature treatment causes the redistribution of microstructure in granite,resulting in increased heterogeneity and a change in the failure morphology. 展开更多
关键词 High temperature treatment Thermal damage Microstructure evolution Thermal-mechanical-damage coupling Rock heterogeneity
暂未订购 下载PDF
Natural and artificial evolution of acetolactate synthase for crop breeding 认领 引用 被引量：3
8
作者 Wenbo Pan Yaoyao Zhu +4 位作者 Pingdong Li Zhiqiang Li Chunjue Xu Man Jin Xiaoyan Tang 《The Crop Journal》 SCIE CSCD 2026年第1期95-106,共12页
Acetolactate synthase(ALS)-targeting herbicides are among the most widely used weed-control chemicals globally.Mutations in the ALS gene can confer herbicide resistance in crops,thereby allowing selective elimination ... Acetolactate synthase(ALS)-targeting herbicides are among the most widely used weed-control chemicals globally.Mutations in the ALS gene can confer herbicide resistance in crops,thereby allowing selective elimination of weeds without harming crops.Herbicide-resistant ALS alleles were initially discovered in weeds and subsequently developed through artificial mutagenesis techniques.With the advancement of CRISPR/Cas technologies,various genome-editing tools are now available to introduce these resistant alleles,as well as novel variants,into diverse crop species.Moreover,emerging methodologies,such as directed evolution,enable the generation and screening of large populations of random ALS mutants.Consequently,ALS has become one of the most extensively targeted genes in plant gene evolution.This paper provides a comprehensive overview of both conventional and recently developed strategies for ALS evolution,with particular emphasis on CRISPR/Cas-based genome editing and directed evolution.Future perspectives on technological application are also discussed.By advancing our understanding of herbicide-resistant ALS allele development for crop improvement,these methodologies may also pave the way for their application to the evolution of other agronomically important genes. 展开更多
关键词 Herbicide resistance Acetolactate synthase Genome editing Directed evolution
暂未订购 下载PDF
Tailoring the d-band center of iridium-doped cobalt selenide for dual-boosted hydrogen and oxygen evolution reactions 认领 引用 被引量：2
9
作者 Lulu An Jiang Zhu +1 位作者 Junhao Yang Deli Wang 《Nano Materials Science》 EI CAS CSCD 2026年第3期703-709,共7页
Designing effective electrocatalysts for hydrogen evolution reaction(HER)and oxygen evolution reaction(OER)is essential for the advancement of water electrolysis.Herein,iridium-doped CoSe2(Ir–CoSe2)nanobelts wi... Designing effective electrocatalysts for hydrogen evolution reaction(HER)and oxygen evolution reaction(OER)is essential for the advancement of water electrolysis.Herein,iridium-doped CoSe2(Ir–CoSe2)nanobelts with tailored d-band center are designed to boost both HER and OER in alkaline electrolytes.On the one hand,the adsorption ability of H2O and hydrogen on Ir–CoSe2 is increased due to the upshifted d-band center induced by the electron transfer from CoSe2 to Ir,inducing good HER activity with an overpotential of 126 mV at 10 mA cm-2.On the other hand,the upshifted d-band center of Ir–CoSe2 facilitates the H2O adsorption and ensures the effective exposure of real active sites,resulting in good OER activity with an overpotential of 239 mV at 10 mA cm-2.Meanwhile,when using Ir–CoSe2 as catalysts for alkaline overall water splitting on both HER and OER,a lower voltage of 1.57 V at 10 mA cm-2 is achieved,indicating a good activity and great potential for practical water electrolysis.This work gives an effective method for the rational design of electrocatalysts with customized d-band structures for bifunctional catalysis. 展开更多
关键词 Water electrolysis Hydrogen evolution reaction Oxygen evolution reaction Iridium-doping Bifunctional catalysis
暂未订购 下载PDF
Advances of the bifunctional electrocatalyst toward oxygen reduction/evolution reaction 认领 引用 被引量：2
10
作者 Yongxia Wang Shuang Li +7 位作者 Mengli Li Xi Luo Yang Zhang Xiangzhi Cui Guicheng Liu Woochul Yang Haitao Huang Jinli Qiao 《Journal of Energy Chemistry》 SCIE EI CAS CSCD 2026年第3期574-607,共34页
The development of economical,highly efficient,and stable bifunctional electrocatalysts for both the oxygen evolution reaction(OER)and the oxygen reduction reaction(ORR)remains a critical focus in advancing rechargeab... The development of economical,highly efficient,and stable bifunctional electrocatalysts for both the oxygen evolution reaction(OER)and the oxygen reduction reaction(ORR)remains a critical focus in advancing rechargeable metal-air battery systems.Significant progress has been made in the design of high-performance bifunctional electrocatalysts,the development of novel oxygen electrode architectures,and the in-depth understanding of electrocatalytic mechanisms through combined experimental and computational studies.This work provides a comprehensive review of recent advancements in design strategies for oxygen catalysts,including homogeneous electrodes,asymmetric electrodes,and biomimetic electrodes,are thoroughly discussed and summarized.Then,the advanced catalyst modification strategies for ORR/OER are summarized,focusing on critical factors such as enhancement effect of metalonmental and synergistic enhancement effect in multiple catalyst.Subsequently,a representative performance evaluation is presented,based on the reported oxygen electrodes used in rechargeable metal-air battery applications.By focusing on these key areas,the review outlines the current challenges and future prospects for the development of bifunctional oxygen electrocatalysts,aiming to guide the design of high-performance bifunctional electrocatalysts and to elucidate the underlying mechanisms involved. 展开更多
关键词 Oxygen reduction reaction Oxygen evolution reaction Design strategy Modification Rechargeable metal-air battery
暂未订购 下载PDF
Recent advances in metal hybrid additive manufacturing:a comprehensive review 认领 引用 被引量：2
11
作者 Yu Lu Qi Zhang +8 位作者 Yukai Chen Yin Wang Bingli Hua Peiyuan Zheng Yuxuan Jiang Ke Huang Bin Han Akihiko Chiba Yancheng Zhang 《International Journal of Extreme Manufacturing》 SCIE EI CAS CSCD 2026年第3期340-395,共56页
Metal additive manufacturing(AM)holds significant potential for the rapid prototyping of complex parts in the aerospace,defense,and military industries,biomedicine,and other fields.Despite its advantages over conventi... Metal additive manufacturing(AM)holds significant potential for the rapid prototyping of complex parts in the aerospace,defense,and military industries,biomedicine,and other fields.Despite its advantages over conventional manufacturing methods,AM faces technical bottlenecks(e.g.,poor densification,high residual stress,and significant anisotropy of mechanical properties),which hinder its large-scale industrial application.The newly emerging metal hybrid additive manufacturing(MHAM)serves as a viable approach to address the inherent issues associated with AM.This method integrates different auxiliary technologies(e.g.,subtractive manufacturing,formative manufacturing,magnetic fields,ultrasonic fields,thermal fields,etc.),leveraging the strengths of these technologies to enhance the performance of metal components produced via AM.MHAM offers numerous advantages,such as controlling the flow of the melt pool,refining the microstructure,optimizing the grain size orientation,reducing the residual stress,enhancing the surface quality,and improving the mechanical properties and fatigue resistance.This work offers a thorough and current analysis of the state of MHAM development,including additive and subtractive hybrid manufacturing,additive and formative hybrid manufacturing,and energy field-assisted additive manufacturing.It delineates the MHAM technology framework and clarifies the interaction mechanisms among various auxiliary technologies used in AM.Additionally,it discusses the impacts of MHAM on melt pool dynamics,solidification processes,densification,microstructure evolution,surface quality,and mechanical and fatigue properties.In summary,the distinct characteristics of various MHAM techniques are outlined,and future trends in MHAM development are anticipated. 展开更多
关键词 additive manufacturing metal hybrid additive manufacturing auxiliary energy fields microstructure evolution mechanical properties
暂未订购 下载PDF
Bearing capacity,shear band evolution,and deformation characteristics of slopes reinforced by root-inspired anchors using transparent soil model testing 认领 引用 被引量：2
12
作者 Ruijie Huang Wengang Zhang +6 位作者 Jiaying Xiang Ningning Zhang Matteo Oryem Ciantia Jian Yin Leilei Liu Jushan Wang Anzhai Fei 《Journal of Rock Mechanics and Geotechnical Engineering》 SCIE CSCD 2026年第1期457-471,共15页
Root-inspired anchorage systems in the field of bio-inspired geotechnics are renowned for enhancing the pullout capacity of traditional geotechnical anchorage systems by simulating the morphology and architecture of p... Root-inspired anchorage systems in the field of bio-inspired geotechnics are renowned for enhancing the pullout capacity of traditional geotechnical anchorage systems by simulating the morphology and architecture of plant root systems.However,limited studies have explored their practical applications,particularly in improving slope stability.To fill this gap,this study investigates the reinforcement effect of root-inspired anchors on slope stabilization using transparent soil modeling and 3D-printed anchors,and examines the impact of anchor branching patterns(i.e.branching numbers,branching angle,and branching nodes)on slope bearing capacity,shear band evolution,and temporal and spatial variation of slope deformation.The results show that peak slope bearing capacity increases with branching numbers and branching angles,correlating with the envelope area of the curved shear band.Upper anchors result in step-like deflections in the shear band near the trailing edge,while lower anchors convert the upward concave shear band into an upward convex one,thus increasing the slope bearing capacity.Slope deformation is minimized with intermediate branching parameters,such as a branching number of 4 and a branching angle of 45°.The anchor reinforcement mechanisms,i.e.anchor rod shear resistance,interface friction,anchor pullout capacity,and plate tightening effects,are comprehensively discussed,and the installation effects resulting from compromise slope modeling are identified as the contributors.These findings shed light on the failure process of root-inspired anchors reinforced slopes and provide a preliminary reference for potential applications,especially for the tradeoff between anchor branching,slope deformation,and slope stability. 展开更多
关键词 Bio-inspired geotechnics Root-inspired anchors Transparent cemented soil Slope bearing capacity Shear band evolution
暂未订购 下载PDF
Fatigue behavior of ballastless track concrete in high-speed railways under different operating speeds 认领 引用 被引量：2
13
作者 Jiaxin Wen Huajian Li +2 位作者 Henan Shi Fali Huang Zhen Wang 《Railway Engineering Science》 EI 2026年第1期149-158,共10页
This study investigates the influence of loading frequency on the fatigue behavior of ballastless track concrete for high-speed railways,aiming to support the development of concrete capable of withstanding higher ope... This study investigates the influence of loading frequency on the fatigue behavior of ballastless track concrete for high-speed railways,aiming to support the development of concrete capable of withstanding higher operational speeds.Fatigue tests were conducted at loading frequencies ranging from 5 to 40 Hz,with a focus on fatigue life,damage evolution,energy dissipation,and residual fatigue strain in the concrete.The results indicate that between 5 and 15 Hz,the fatigue life and energy dissipation remain relatively stable,with minimal damage evolution and small residual strains.As the frequency increases to 15-20 Hz,the fatigue life and energy dissipation gradually decrease,while damage accumulation and residual strain increase.Beyond 20 Hz,both fatigue life and energy dissipation decrease rapidly,damage accumulation becomes more pronounced,and residual strain continues to rise.These phenomena are primarily attributed to the increased strain rate and load change rate at higher frequencies,which affect the microstructure evolution and lead to reduced fatigue performance. 展开更多
关键词 Ballastless tracks concrete Flexural fatigue Loading frequency Damage evolution Residual strain
暂未订购 下载PDF
Oxygen radical coupling on asymmetric Ni-Co dual-sites induced by rare earth hydroxides for enhanced alkaline oxygen evolution reaction 认领 引用 被引量：2
14
作者 Jiamin Zhu Shuhui Li +7 位作者 Yue Zhai Zejin Lin Jingzhi Yang Shanshan Wu Nan Zhang Li An Pinxian Xi Chun-Hua Yan 《Journal of Rare Earths》 SCIE EI CAS CSCD 2026年第2期577-585,共9页
The reaction pathway plays a pivotal role in determining the catalytic activity of the oxygen evolution reaction(OER).However,regulating the microscopic reaction pathway through interface construction remains a signif... The reaction pathway plays a pivotal role in determining the catalytic activity of the oxygen evolution reaction(OER).However,regulating the microscopic reaction pathway through interface construction remains a significant challenge.In this study,an interface between amorphous rare earth hydroxides and crystalline spinel NiCo2O4was constructed via selective oxidation.The interface structural units accelerate reconstruction,leading to enhanced catalytic activity,which was observed by in situ Raman spectroscopy.The amorphous RE(OH)3(RE=Y and Eu)optimize asymmetric Ni-Co dual-sites,thereby altering the OER reaction pathway.Specifically,Y(OH)3/NiCo2O4operates through the lattice oxygen mechanism(LOM)at the expense of structural stability,whereas Eu(OH)3/NiCo2O4follows the oxygen pathway mechanism(OPM),preserving both catalytic activity and stability.This study offers a novel approach to controlling reaction pathways and proposes a new strategy for interface construction using rare earth hydroxides. 展开更多
关键词 Asymmetric dual-sites Mechanism regulation Spinel Rare earth hydroxides Oxygen evolution reaction
暂未订购 下载PDF
Electric charge induction monitoring of deformation and failure behavior of igneous rock:Laboratory test and field application 认领 引用 被引量：3
15
作者 Wei Wang Yishan Pan +5 位作者 Hongrui Zhao Yonghui Xiao Xiaoliang Li Xinyang Bao Yan Liu Jinming Wang 《Journal of Rock Mechanics and Geotechnical Engineering》 SCIE CSCD 2026年第2期861-886,共26页
To advance the theoretical understanding,technological development,and field application of electric charge induction for monitoring rock deformation and failure,this study investigates the induced electric charge gen... To advance the theoretical understanding,technological development,and field application of electric charge induction for monitoring rock deformation and failure,this study investigates the induced electric charge generated during the deformation and failure of igneous rocks.The charge originates mainly from a combination of electrical polarization and triboelectric effects.Through laboratory experiments,we analyzed the time-frequency evolution of induced electric charge signals and identified relevant monitoring parameters.An online downhole electric charge induction monitoring system was developed and validated in the field.Experimental results show that the dominant frequency range of induced electric charge signals generated during igneous rock deformation and failure lies between 0 and 23 Hz,and a low-pass finite impulse response(FIR)filter effectively suppresses noise.Optimal sensor distances for monitoring cubic and cylindrical specimens were determined to be 17 mm and 13 mm,respectively.We proposed early warning indicators,including the maximum absolute value of the induced electric charge,the arithmetic mean value,the distribution dispersion coefficient,and the cumulative sum value.In field application,time-domain curves and spatial distribution charts of these warning indicators correspond well with changes in abutment stress ahead of the mining face,offering indirect insights into local stress evolution.This research provides technical and equipment support for the application of electric charge induction technology to monitoring and early warning of coal bursts. 展开更多
关键词 Time-frequency domain evolution law Noise reduction filtering Electric charge induction monitoring parameters Early warning index Online downhole electric charge induction monitoring system
暂未订购 下载PDF
Dynamic evolution of copper-based catalysts during CO2 electroreduction 认领 引用 被引量：3
16
作者 Zhizheng Wu Pengpeng Yang Minrui Gao 《Nano Materials Science》 EI CAS CSCD 2026年第3期687-702,共16页
The CO2 electroreduction reaction(CO2RR)is a promising approach of using renewable electricity to synthesize fuels and value-added chemicals.At present,Cu is generally considered to be the major monometallic cat... The CO2 electroreduction reaction(CO2RR)is a promising approach of using renewable electricity to synthesize fuels and value-added chemicals.At present,Cu is generally considered to be the major monometallic catalyst capable of producing multicarbon products(C2+)with high current densities from the CO2RR,but it still suffers from the low activity and high overpotential.The challenge of sluggish CO2RR kinetics can be overcome by developing efficient Cu-based catalysts,which undergo the dynamic evolution during the reaction process.The dynamic evolution of the Cu-based catalysts taking place under working conditions makes it difficult to study the structure-activity correlation and reaction mechanism present during CO2RR.Recently,a number of important works have observed and revealed the dynamic evolution process of Cu-based catalysts by operando characterization techniques.This aspect,however,remains less summarized and prospected in the CO2RR literature.In this Review,we summarize the dynamic evolution of Cu-based catalysts during the CO2RR from aspects of structure,composition and oxidation state.We highlight the correlations between evolution behaviors and catalytic properties.Then,we discuss the dynamic deactivation process of Cu-based catalysts during CO2RR,including metal impurities contamination and carbon accumulation.In particular,we introduce recent advancements in in situ characterization techniques those are employed to probe the dynamic evolution under operating conditions.We end the Review by outlining the challenges and offering personal perspectives on the future development opportunities in this field. 展开更多
关键词 Copper-based catalysts CO2electroreduction reaction Dynamic evolution
暂未订购 下载PDF
Carbon sequestration amount evolution characteristics and reaction mechanisms in coal-based solid waste backfill:A new whole-process carbon sequestration technique 认领 引用 被引量：2
17
作者 Nan Zhou Jixiong Zhang +1 位作者 Yuzhe Zhang Hao Yan 《International Journal of Mining Science and Technology》 SCIE EI CAS CSCD 2026年第1期43-55,共13页
Underground carbon sequestration(CS)by solid waste backfill(SWB)offers an effective pathway for collaborative disposal of coal-based solid waste and CO2,where the amount of carbon sequestration is an important eval... Underground carbon sequestration(CS)by solid waste backfill(SWB)offers an effective pathway for collaborative disposal of coal-based solid waste and CO2,where the amount of carbon sequestration is an important evaluation parameter.In this study,the concept of whole-process carbon sequestration using coal-based solid waste and CO2,including sequential stirring and curing stages,was proposed to evaluate the performance evolution of CS.The results showed that CO2 pressure and ambient temperature positively correlated with the CS amount from coal-based SWB.In particular,CO2 pressure prevailed in the stirring stage,while the ambient temperature effect was more significant in the curing stage.The CS amounts obtained during the stirring stage alone,the curing stage alone,and two sequential stages ranged from 0.66%–3.10%,3.53%–5.09%,and 5.12%–6.02%,respectively.The functional group and micromorphology analyses revealed that the prevailing mechanism at the CS stirring stage was the stirringdriven gas dissolution-leaching-mineralization reaction,while that at the curing stage was the hydration-driven gas permeation-dissociation-CS reaction.Both were essentially solid-liquid-gas multiphase chemical reactions.The results are instrumental in substantiating the coal-based SWB carbon sequestration evolution patterns and mechanisms and providing data support for waste disposal and carbon emission reduction in the coal industry. 展开更多
关键词 Whole-process carbon sequestration Stirring stage Curing stage Carbon sequestration performance evolution Ambient temperature CO2pressure
暂未订购 下载PDF
Phylogenomic analysis reveals the demographic history and cryptic barriers of three desert fishes 认领 引用 被引量：1
18
作者 Chenguang Feng Ruoyu Zhang +5 位作者 Chao Tong Luxian Yu Wulong Ma Kai Zhao Fei Tian Sijia Liu 《Journal of Systematics and Evolution》 SCIE CSCD 2026年第1期66-76,共11页
East Asia's largest inland arid ecological region—the Tarim Basin and Hexi Corridor—serves as an independent evolutionary center for highland ichthyofauna.However,systematic studies on the evolutionary patterns ... East Asia's largest inland arid ecological region—the Tarim Basin and Hexi Corridor—serves as an independent evolutionary center for highland ichthyofauna.However,systematic studies on the evolutionary patterns of fishes in this region remain limited.In this study,we integrated mitochondrial cytochrome b(Cyt b)and nuclear SNP data to investigate the demographic structure and historical dynamics of three desert fish species:Triplophysa tenuis,Triplophysa bombifrons,and Hedinichthys yarkandensis.Our results indicate that populations in the Hexi Corridor and Tarim Basin diverged approximately 0.8 million years ago(Ma),coinciding with a period of increasing aridity,followed by alternating phases of population contraction and secondary contact.Demographic fluctuations were likely driven by westerly atmospheric circulation interacting with regional geological activity.Furthermore,this study provides evidence for the existence of an ancient South Tarim River and suggests the need for taxonomic re-evaluation of T.bombifrons.These findings offer critical insights into the evolutionary processes shaping fish diversity in arid regions of China and inform strategies for their conservation. 展开更多
关键词 aridification evolution hedinichthys phylogeography Triplophysa
A physics-based probabilistic method for assessment of landslide-induced wave run-up hazards 认领 引用 被引量：2
19
作者 Ningjie Li Xinli Hu +3 位作者 Jian Wang Junxiang Huang Hongchao Zheng Wei Li 《Journal of Rock Mechanics and Geotechnical Engineering》 SCIE CSCD 2026年第5期3675-3687,共13页
Traditional deterministic numerical simulation often has a poor prediction performance for landslide-induced wave run-up(LIWR)hazards,as it neglects the effects of uncertainty.The limitation for efficiently quantifyin... Traditional deterministic numerical simulation often has a poor prediction performance for landslide-induced wave run-up(LIWR)hazards,as it neglects the effects of uncertainty.The limitation for efficiently quantifying the uncertainties in primary parameters remains largely unsolved.In this study,we propose a probabilistic evaluation method,integrating the adaptive Kriging(AK)metamodel method and probability density evolution method(PDEM)based on generalized F-discrepancy.A Taylor expansion-based adaptive design strategy is applied to construct the global AK model over representative points generated by generalized F-discrepancy,thereby approximating the numerical physical response(i.e.,maximum LIWR).Using these approximate responses,the PDEM is used to compute the exceedance probabilities that LIWR heights exceed elements at risk based on a construction of virtual time,and then a probabilistic criterion is introduced to classify hazard zones.The proposed method is demonstrated via two examples:Example I,which possesses risk element(building),and Example Ⅱ with water-level variations.The results indicate that the proposed method has an acceptable performance(showing a 1.7%difference in exceedance probability compared to Monte Carlo simulation with 50,000 samples)with low computation cost(requiring 284 deterministic analyses).For two specific scenarios in this study,the wave induced by the landslide exhibits a solitary-like leading wave.The proposed probabilistic method provides promising prospects for quantifying LIWR uncertainties,and is helpful for direct,efficient,and low-cost quantification assessment of cascading hazards. 展开更多
关键词 Landslide-induced wave run-up(LIWR) Numerical simulation Adaptive metamodel Probability density evolution method(PDEM) Hazard zoning
暂未订购 下载PDF
The importance of properly correcting the electric double layer effect in unravelling the intrinsic kinetics of electrode reactions 认领 引用 被引量：2
20
作者 Bingyu Liu Erfei Zhen +3 位作者 Wei Chen Lulu Zhang Jun Cai Yanxia Chen 《Nano Materials Science》 EI CAS CSCD 2026年第4期866-872,共7页
Understanding the effects of the electric double layer(EDL)on electrode kinetics is of great importance for improving the performance of electrochemical devices.In this work,by using the HER at Au(111)in x M HClO4+... Understanding the effects of the electric double layer(EDL)on electrode kinetics is of great importance for improving the performance of electrochemical devices.In this work,by using the HER at Au(111)in x M HClO4+(1-x)M NaClO4or NaOH as a model reaction,the intrinsic kinetic parameters for HER has been unveiled based on the modified Poisson-Nernst-Planck equations and the Frumkin-Butler-Volmer theory.Our analysis reveals that i)the EDL effects induced changes in proton concentration cH+RPand electric potential φRPat the reaction plane are the main reason for the difference of HER current in the cases with x M HClO4and x M HClO4+(1-x)M NaClO4;ii)the EDL effects are the main origin for the difference in HER current between acidic and alkaline solutions at the Au(111).Our work demonstrates that microkinetic simulation with properly considering the EDL effects is important for unravelling intrinsic reaction kinetics of electrocatalytic reactions. 展开更多
关键词 Hydrogen evolution reaction Proton discharge Au(111)electrode-electrolyte interface Electric double layer effects
暂未订购 下载PDF
已选0条
引用分析
参考文献
引证文献
 统计分析
检索结果
已选文献
上一页 1 2 … 250 下一页 到第 页
在线咨询 使用帮助 返回顶部 意见反馈