|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | Thiolactone copolymer donor gifts organic solar cells a 16.72% efficiency显示文摘Since 1995,bulk-heterojunction organic solar cells consisting of one or two organic donors and one or two organic acceptors have been fighting for high power conversion efficiencies(PCEs)and good stability[1].Until recent years,this next-generation photovoltaic technology starts to offer decent PCEs,shedding the light on commercialization,and attracting great attention again[2-14].Compared w让h the continuously emerging highperformance nonfullerene acceptors,high-performance donors are rare. | Ji Xiong Ke Jin Yufan Jiang Jianqiang Qin Tan Wang Jinfeng Liu Qishi Liu Haili Peng Xiongfeng Li Anxin Sun Xianyi Meng Lixiu Zhang Ling Liu Wenting Li Zhimin Fang Xue Jia Zuo Xiao Yaqing Feng Xiaotao Zhang Kuan Sun Shangfeng Yang Shengwei Shi Liming Ding | 2019 | Science Bulletin2019，64，21： | 17 |
| 2 | Game Theory Algorithm of Reconfiguration for Shipboard Power System显示文摘船舶电力系统故障重构通过改变系统供电路径来恢复重要负载的供电,对增强系统的存活性有着重要意义。在多智能体(agent)架构的基础上,构建船舶电力系统博弈重构模型并提出求解方法。该模型以船舶电力系统中不同区域的agent作为博弈参与者,将船舶电力系统的重构问题转化为各agent之间的合作一竞争问题,从而保证重要负载的恢复供电。论文进一步提出该模型的求解算法,该算法首先判断博弈模式的合作与非合作属性,之后通过agent或agent联盟之间的博弈过程,计算各agent所属的负载/发电机的投切及转移策略。仿真算例表明,该算法能够快速有效地求解船舶电力系统重构问题,最大程度保证系统的存活性。 | WANG Guanqun ZHANG Xuemin LIU Feng MEI Shengwei | 2012 | 中国电机工程学报2012，32，13： | 11 |
| 3 | On expansion of estimated stability region:Theory,methodology,and application to power systems显示文摘The expansion of the estimated stability region plays an important role in the stability analysis of nonlinear systems.However,current literatures have not provided a complete mathematical description for this problem.This paper reveals that essentially the enlargement or the compression of the estimated stability region results directly from the diffeomorphism map,which is induced by the flow contained in the stability region.By proving that any integration algorithm with an order higher than one can approximately trace the flow of the system,a generalized methodology is proposed to construct various algorithms to realize the enlargement or the compression of the estimated stability region.With this methodology,two new algorithms based on symbolic calculation are suggested to reduce the computational burden.Furthermore,this methodology is applied to construct a scalable numerical algorithm to calculate the critical clearing time(CCT) of the power system for given faults.Tests on the IEEE 10-machine 39-bus system show that the computational results coincide well with the step-by-step simulation with high accuracy. | LIU Feng WEI Wei MEI ShengWei | 2011 | Science China(Technological Sciences)2011，54，6： | 9 |
| 4 | On engineering game theory with its application in power systems显示文摘由于它解决包含多重实体和目的决策问题的能力,以及复杂行动序列,比赛理论是为十年的经济学家,政治家,和社会学家的一个基本数学工具。它帮助他们理解战略相互作用怎么在竞争、不明确的环境影响单个播放器的合理决定,如果每个播放器试图得到最好的发薪。这种状况在设计惯例是无所不在的。这份报纸优化设计比赛理论的基础,它使用指导以一个更正规、系统的方法设计设计,操作,和控制问题的分辨率的概念,理论和方法论。它在聪明的格子技术和力量系统的应用程序的概述联系了话题被介绍,并且吸引人的研究方向也被想象。 | Shengwei MEI Wei WEI Feng LIU | 2017 | Control Theory and Technology2017，15，1： | 6 |
| 5 | Phosphorite generative processes around the Precambrian-Cambrian boundary in South China: An integrated study of Mo and phosphate O isotopic compositions显示文摘Large phosphorite deposits in Central Guizhou,China,were formed around the Precambrian/Cambrian boundary(PC/C),including the Ediacaran(Doushantuo stage)and early Cambrian(Gezhongwu stage).Among them,Gezhongwu phosphorite from Zhijin are enriched in rare earth elements(REE)plus yttrium(REY),reaching 3.503 million tons.Although phosphorites have attracted great attention,the specific sources P and REY remained unclear.To determine the P and REY sources and establish a phosphogenic model of PC/C phosphorite,we present an integrated dataset of Mo and phosphate O isotopes for the first time,along with carbonate C and O isotopes,geology,petrology,and geochemistry.In all samples,d18Op,Y/Ho,and Zr/Hf decreased from the Ediacaran to the early Cambrian,indicating increased terrigenous weathering fluxes while decreased upwelling water input.Furthermore,terrigenous weathering delivery significantly elevated marine REY concentrations in the Cambrian in Zhijin.The Ceanom and d98/95Mo suggest that seawater was oxidized in the later Ediacaran and became entirely oxic in the early Cambrian.The positive feedback between oxygen levels in atmosphere and primary productivity caused progressive oxygenation in ocean-atmosphere system and enable phosphorites to be formed by different mechanisms.Results show that the Lower Doushantuo consist of abiotic intraclasts and exhibited“seawaterlike”REY types,indicating abiological and mechanical reworking phosphogenesis.The Upper Doushantuo and Gezhongwu Formation contained mainly microbial debris and abiogenic intraclasts,and exhibit “hat-shaped”REY plots,suggesting microbially mediated phosphogenesis.Based on this data set,we developed a phosphogenic model illustrating formation of these two phosphorite deposits,wherein the Lower Doushantuo phosphorite formed through the reworking of pre-existing phosphatic sediments in anoxic and abiotic ocean,whereas the Upper Doushantuo and Gezhongwu phosphorite formed via microbial metabolisms in oxic and biotic conditions.Our study has implications on the PC/C phosphorite generative processes,as well as paleoenvironmental conditions. | Haiying Yang Jiafei Xiao Yong Xia Zhuojun Xie Qinping Tan Jianbin Xu Shan He Shengwei Wu Xiqiang Liu Xingxiang Gong | 2021 | Geoscience Frontiers2021，12，5： | 5 |
| 6 | Robust Unit Commitment for Large-scale Wind Generation and Run-off-river Hydropower显示文摘Increased penetration of large-scale renewable sources such as wind and solar power creates additional constraints for power system maintenance,reliability and security.The intermittent and fluctuation characteristics of renewable energy require robust operation methodologies.Co-optimized scheduling of multiple energy resources is regarded as an efficient way to accommodate renewable energy.As the second largest source of electricity in the world,hydro power is clean and has the merits of ease of regulation,low cost and high flexibility.In this regard,it can play an important role in mitigating the uncertainty of wind power.This paper proposes a robust wind-hydro-thermal unit commitment(UC)model that provides reliable day-ahead unit commitment decisions.The hydro units are operated in longer time scales than the thermal units,so as to capture reservoir operations.The hydro production capability curve is linearized by using variable separation and the piecewise linear(PWL)function,leading to a mixed integer linear programming(MILP)problem that can be solved using mature software such as CPLEX.Numerical tests on an IEEE 39-bus system demonstrate the effectiveness of the proposed model to increase system flexibility in accommodation of uncertain wind power. | Yue Chen Feng Liu Wei Wei Shengwei Mei Naichao Chang | 2016 | CSEE Journal of Power and Energy Systems2016，2，4： | 3 |
| 7 | Effects of phosvitin phosphopeptide-Ca complex prepared by efficient enzymatic hydrolysis on calcium absorption and bone deposition of mice显示文摘Phosvitin(PV)was treated with high-temperature,mild pressure(HTMP),and enzyme combination,and then phosvitin phosphopeptides-calcium(PPP-Ca)complexes were prepared.The low-calcium specific pathogen free-Kunming(SPF-KM)mice were used to determine the effect of PPP-Ca complexes on intestinal calcium absorption and their utilization for bone formation.The serum calcium content was the highest with the HTMP-Enz-PPP-Ca treatment(2.19 mmol/L),and it significantly down-regulated the abnormal elevation of serum alkaline phosphatase(AKP)caused by calcium deficiency.The low-calcium control group had the lowest calcium deposited to the femur(80.41 mg/g)and the lowest femur bone mineral density(BMD)(0.17 g/cm^(3)),while HTMP-Enz-PPP-Ca significantly improved bone calcium content(94.33 mg/g)and BMD(0.29 g/cm^(3)).The micro-computed tomography(MCT)images showed that the femur with the normal control,PV-Ca,and HTMP-Enz-PPP-Ca treatments had a more compact,complete,and thicker trabecular network than the low-calcium and CaCl_(2)treatments.These results indicated that the organic calcium(HTMP-Enz-PPP-Ca)promoted calcium absorption and bone deposition,and the effect of HTMP-Enz-PPP-Ca was better than the inorganic CaCl_(2). | Mengdie Zhao Dong Uk Ahn Songming Li Wei Liu Shengwei Yi Xi Huang | 2022 | Food Science and Human Wellness2022，11，6： | 3 |
| 8 | Landform classification using soil data and remote sensing in northern Ordos Plateau of China显示文摘地形分类通常仅仅用地志的高度被做。然而,实践显示在一样的高度的地点可以有显然不同的地形,取决于在那些地点下面的土壤的特征。这研究的目的到过:1 ) 开发基于高度和土壤特征的一条地形分类途径;并且 2 ) 使用这条途径在位于中国的北 Ordos 高原的一个分水岭以内决定地形。用从 200 个采样地点在 134 点收集的数据,这研究决定了那 D10 (土壤粒子的直径10%由重量更好)并且在 2010 获得的长期的平均土壤潮湿,能从遥感形象在合理精确性被估计,能被用来代表学习分水岭的土壤特征。另外,采样数据表明这个分水岭由地形的九个班组成,也就是活动的沙丘( MD ),活动半活动的沙丘( SMD ),滚动固定修理半的沙丘(讨论请求),完全沙的土地( FD ),草多的沙的土地( GS ),基岩( BR ),完全沙的基岩( FSB ),山谷农业土地( VA )和盐湖( SW )。一套逻辑回归方程用在 134 个采样地点收集并且验证了在留下使用数据的数据被导出 66 个地点。确认显示这些方程有中等分类精确性(Kappa 系数[^(K)]\hat K >43%) 。结果表明在学习分水岭的主导的班是 FD (36.3%), BR (27.0%),和 MD (23.5%)地形的另外的六种类型(即, SMD ,讨论请求, GS , FSB , VA ,并且 SW )在为13.2%的联合报道。进一步,在这研究决定的地形与一张地质上基于的分类地图介绍的班相比。比较显示地质上基于的分类不能在依赖于土壤特征的一个班以内识别多重地形。 | LUO Yanyun LIU Tingxi WANG Xixi DUAN Limin ZHANG Shengwei SHI Junxiao | 2012 | Journal of Geographical Sciences2012，22，4： | 3 |
| 9 | Modes of genetic adaptations underlying functional innovations in the rumen显示文摘The rumen is the hallmark organ of ruminants and hosts a diverse ecosystem of microorganisms that facilitates efficient digestion of plant fibers.We analyzed 897 transcriptomes from three Cetartiodactyla lineages:ruminants,camels and cetaceans,as well as data from ruminant comparative genomics and functional assays to explore the genetic basis of rumen functional innovations.We identified genes with relatively high expression in the rumen,of which many appeared to be recruited from other tissues.These genes show functional enrichment in ketone body metabolism,regulation of microbial community,and epithelium absorption,which are the most prominent biological processes involved in rumen innovations.Several modes of genetic change underlying rumen functional innovations were uncovered,including coding mutations,genes newly evolved,and changes of regulatory elements.We validated that the key ketogenesis rate-limiting gene(HMGCS2)with five ruminant-specific mutations was under positive selection and exhibits higher synthesis activity than those of other mammals.Two newly evolved genes(LYZ1 and DEFB1)are resistant to Gram-positive bacteria and thereby may regulate microbial community equilibrium.Furthermore,we confirmed that the changes of regulatory elements accounted for the majority of rumen gene recruitment.These results greatly improve our understanding of rumen evolution and organ evo-devo in general. | Xiangyu Pan Yudong Cai Zongjun Li Xianqing Chen Rasmus Heller Nini Wang Yu Wang Chen Zhao Yong Wang Han Xu Songhai Li Ming Li Cunyuan Li Shengwei Hu Hui Li Kun Wang Lei Chen Bin Wei Zhuqing Zheng Weiwei Fu Yue Yang Tingting Zhang Zhuoting Hou Yueyang Yan Xiaoyang Lv Wei Sun Xinyu Li Shisheng Huang Lixiang Liu Shengyong Mao Wenqing Liu Jinlian Hua Zhipeng Li Guojie Zhang Yulin Chen Xihong Wang Qiang Qiu Brian PDalrymple Wen Wang Yu Jiang | 2021 | Science China(Life Sciences)2021，64，1： | 3 |
| 10 | Experimental study on ageing characteristics of electric locomotive ethylene propylene rubber cable under mechanical-thermal combined action显示文摘The train-mounted ethylene propylene rubber(EPR)cables of electric locomotive are partly restricted by the body structure and spatial layout and are in a combined envi-ronment of strong mechanical bending and thermal ageing.The degradation character-istics of the insulation layer have not yet received sufficient attention.In order to study the ageing characteristics of EPR cables of electric locomotive under the combined action of machine and thermal,this paper designs a bending-thermal combined ageing test platform for cables with a temperature of 135°C,bending diameter of 393.52 mm,590.28 mm and unbending cables,and tests after ageing.The product has been tested by infrared spectroscopy,scanning electron microscopy,elongation at break and broadband dielectric spectroscopy.The research results show that the bending outer part of the train-mounted EPR cable is a pain point.Under the combined action of bending and thermal,whether it is microstructure or macro performance,the degradation rate and degree of the bending of outer insulation layer are greater than the value under a single thermal ageing condition.Mechanical bending has an accelerating effect on the ageing of the EPR insulation layer.The research results can provide a reference for the ageing characteristics of the train-mounted EPR cable under the bending-thermal synergy and the evaluation of operating state of the train-mounted EPR cable under bending-thermal operating conditions. | Lijun Zhou Cong Liu Shengwei Quan Xiangyu Zhang Dongyang Wang | 2022 | High Voltage2022，7，4： | 3 |
| 11 | Study on reactions of gaseous P_2O_5 with Ca_3(PO_4)_2 and SiO_2 during a rotary kiln process for phosphoric acid production显示文摘In a rotary kiln process for phosphoric acid production,the reaction between gaseous phosphorus pentoxide(P_2O_5)and phosphate ore and silica contained in feed balls(the so-called P_2O_5'absorption')not only reduces phosphorous recovery but also generates a large amount of low melting-point side products.The products may give rise to formation of kiln ring,which interferes with kiln operation performance.In this study,the reactions of gaseous P_2O_5with solid calcium phosphate(Ca_3(PO_4)_2),silica(SiO_2)and their mixture,respectively,were investigated via combined chemical analysis and various characterizations comprised of X-ray diffraction(XRD),Fourier-transform infrared(FT-IR)spectroscopy,thermogravimetric analysis and differential scanning calorimeter(TG&DSC),and scanning electron microscopy and energy dispersive spectrometer(SEM&EDS).Attentions were focused on apparent morphology,phase transformation and thermal stability of the products of the P_2O_5'absorption'at different temperatures.The results show that the temperature significantly affected the'absorption'.The reaction between pure Ca_3(PO_4)_2 and P_2O_5 occurred at 500°C.Calcium metaphosphate(Ca(PO_3)_2)was the primary product at the temperatures≤900°C with its melting point≤900°C while calcium pyrophosphate(Ca_2P_2O_7)was obtained over 1000°C,which has a melting point≤1200°C.The'absorption'by pure SiO_2 started at 800°C and the most significant reaction occurred at 1000°C with formation of silicon pyrophosphate(SiP_2O_7)product of melting point≤1000°C.Using mixed Ca_3(PO_4)_2and SiO_2as raw material,the'absorption'by Ca_3(PO_4)_2 was enhanced due to existence of silica.At 600–700°C,silica was inert to P_2O_5and thus formed a porous structure in the raw material,which accelerated diffusion of gaseous P_2O_5inside the mixture.At higher temperatures,the combined'absorption'by calcium phosphate and reaction between silicon dioxide and the'absorption'product calcium pyrophosphate,reinforced the'absorption'by the mixture.Besides,it was found that both Ca(PO_3)_2and SiP_2O_7were unstable at high temperatures and would decompose to Ca_2P_2O_7and SiO_2,respectively,at over 1000°C and 1100°C with the release of gaseous P_2O_5at the same time. | Qiang Liu Weizao Liu Li Lü Ruhu Li Bin Liang Hairong Yue Shengwei Tang Chun Li | 2018 | Chinese Journal of Chemical Engineering2018，26，4： | 3 |
| 12 | Direct heuristic dynamic programming based on an improved PID neural network显示文摘在这份报纸,改进 PID 神经的网络(IPIDNN ) 结构被建议并且适用于批评家和直接启发式的动态编程(DHDP ) 的行动网络。作为在网上听说算法近似动态编程(自动数据处理) 之一, DHDP 表明了它的适用性到大状态和控制问题。理论上, DHDP 算法要求存取到完整的州的反馈以便获得答案到鸣钟者 optimality 方程。不幸地,在一个真实系统存取所有状态不总是是可能的。这份报纸由建议一种 IPIDNN 配置构造批评家和行动网络完成输出反馈控制建议一个解决方案。因为这结构能估计可测量的产量的积分和衍生物,更多的系统状态被利用,这样更好的控制性能被期望。与传统的 PIDNN 相比,这种配置灵活、容易膨胀。基于这结构,一个坡度为这基于 IPIDNN 的 DHDP 的体面的算法被介绍。集中问题在单个学习时间步以内并且为全部学习过程被处理。一些重要卓见被提供指导算法的实现。建议学习控制器被用于一个大车杆系统验证结构和算法的有效性。 | Jian SUN Feng LIU Jennie SI Shengwei MEI | 2012 | 控制理论与应用(英文版)2012，10，4： | 2 |
| 13 | Recovery of titanium,aluminum,magnesium and separating silicon from titanium-bearing blast furnace slag by sulfuric acid curing-leaching显示文摘An energy-efficient route was adopted to treat titanium-bearing blast furnace slag(TBBFS)in this study.Titanium,aluminum,and magnesium were simultaneously extracted and silicon was separated by low temperature sulfuric acid curing and low concentration sulfuric acid leaching.The process parameters of sulfuric acid curing TBBFS were systematically studied.Under the optimal conditions,the recovery of titanium,aluminum,and magnesium reached 85.96%,81.17%,and 93.82%,respectively.The rapid leaching model was used to limit the dissolution and polymerization of silicon,and the dissolution of silicon was only 3.18%.The mechanism of sulfuric acid curing-leaching was investigated.During the curing process,the reaction occurred rapidly and released heat massively.Under the attack of hydrogen ions,the structure of TBBFS was destroyed,silicate was depolymerized to form filterable silica,and titanium,magnesium,aluminum,and calcium ions were replaced to form sulfates and enriched on the surface of silica particles.Titanium,aluminum,and magnesium were recovered in the leaching solution,and calcium sulfate and silica were enriched in the residue after leaching.This method could effectively avoid the formation of silica sol during the leaching process and accelerate the solid-liquid separation. | Long Wang Liang Chen Weizao Liu Guoquan Zhang Shengwei Tang Hairong Yue Bin Liang Dongmei Luo | 2022 | International Journal of Minerals,Metallurgy and Materials2022，29，9： | 2 |
| 14 | Influence of coronary bifurcation angle on atherosclerosis显示文摘Hemodynamics plays a crucial role in the development and progression of coronary atherosclerosis,which is prone to occur in branch bifurcation.A n individual aortic-coronary artery model and three changed bifurcation angle models are constructed by Mimics and Freeform based on computed tomography angiography.The influence of different coronary bifurcation angles between left main(LM),left anterior descending(LAD),and left circumflex(LCX)on the blood flow field and related hemodynamic parameters are studied.It is shown that a wider bifurcation angle between LAD and LCX can cause a wider low-wall shear stress area,leading to atherosclerosis.Similarly,a decreased angle between LM and LAD is predisposed to prevent atherosclerosis.The results help to better understand the hemodynamic causes of atherosclerosis with various bifurcation angles in coronary arteries and to provide guidance for clinical assessment and prevention. | Zhaomiao Liu Shengwei Zhao Yunjie Li Feng Shen Yipeng Qi Qi Wang | 2019 | Acta Mechanica Sinica2019，35，6： | 2 |
| 15 | Online Optimization in Power Systems With High Penetration of Renewable Generation:Advances and Prospects显示文摘Traditionally,offline optimization of power systems is acceptable due to the largely predictable loads and reliable generation.The increasing penetration of fluctuating renewable generation and internet-of-things devices allowing for fine-grained controllability of loads have led to the diminishing applicability of offline optimization in the power systems domain,and have redirected attention to online optimization methods.However,online optimization is a broad topic that can be applied in and motivated by different settings,operated on different time scales,and built on different theoretical foundations.This paper reviews the various types of online optimization techniques used in the power systems domain and aims to make clear the distinction between the most common techniques used.In particular,we introduce and compare four distinct techniques used covering the breadth of online optimization techniques used in the power systems domain,i.e.,optimization-guided dynamic control,feedback optimization for single-period problems,Lyapunov-based optimization,and online convex optimization techniques for multi-period problems.Lastly,we recommend some potential future directions for online optimization in the power systems domain. | Zhaojian Wang Wei Wei John Zhen Fu Pang Feng Liu Bo Yang Xinping Guan Shengwei Mei | 2023 | IEEE/CAA Journal of Automatica Sinica2023，10，4： | 2 |
| 16 | Effect of inorganic matter on reactivity and kinetics of coal pyrolysis显示文摘 | Quanrun Liu Haoquan Hu Qiang Zhou Shengwei Zhu Guohua Chen | 2003 | Fuel2003，，6： | 2 |
| 17 | Simulation of Morphologies and Mechanical Properties of A/B Polymer Blend Film显示文摘The effects of blend composition and micro-phase structure on the mechanical behavior of A/B polymer blend film are studied by coupling the Monte Carlo(MC) simulation of morphology with the lattice spring model(LSM) of micro mechanics of materials.The MC method with bond length fluctuation and cavity diffusion algorithm on cubic lattice is adopted to simulate the micro-phase structure of A/B polymer blend.The information of morphology and structure is then inputted to the LSM composed of a three-dimensional network of springs to obtain the mechanical properties of polymer blend film.Simulated results show that the mechanical response is mainly affected by the density and the composition of polymer blend film through the morphology transition.When a force is applied on the outer boundary of polymer blend film,the vicinity of the inner cavities experiences higher stresses and strains responsible for the onset of crack propagation and the premature failure of the entire system. | ZHAO Xuezhe DENG Shengwei HUANG Yongmin LIU Honglai HU Ying | 2011 | Chinese Journal of Chemical Engineering2011，19，4： | 2 |
| 18 | Deformation and fracture of polystyrene/polypropylene blends: A simulation study显示文摘 | Shengwei Deng Xuezhe Zhao Yongmin Huang Xia Han Honglai Liu Ying Hu | 2011 | Polymer2011，，24： | 1 |
| 19 | The convergence properties of some new conjugate gradient methods 显示文摘 | Wei Zengxin Yao Shengwei Liu Liying | 2006 | Applied Mathematics and Computation2006，183，2： | 1 |
| 20 | Nonlinear disturbance attenuation control for four-leg active power filter based on voltage source inverter显示文摘活跃力量过滤器(APF ) 基于电压来源 inverter (VSI ) 是为处理力量质量问题的重要措施之一。算术地, APF 模型尽最大努力格子是典型的非线性的。被动的想法是一个强大的工具学习如此的一个非线性的系统的稳定。在这篇论文,四腿的 APF 的一个州空间的模型被导出,基于哪个为当前的追踪的一个新 H 无穷控制器从被动观点被建议。它能完成 asymptotic 不仅在 L_2 获得的意义追踪,而且骚乱变细。随后,保证 theboundedness 的一个足够的条件和 DC 电压的需要的平均数也被给。这个直接条件与电的电路的平衡力量的法律一致。在 PSCADplatform 上执行的模拟验证新途径的有效性。 | Juming CHEN Feng LIU Shengwei MEI | 2006 | 控制理论与应用(英文版)2006，4，3： | 1 |
您所在的机构暂未开通此部分的功能，请联系管理员