检索结果-南通市图书馆

Auxiliary Service Dynamic Compensation Mechanism Design for Incentivizing Market participants to provide Flexibility in China

引用

protection and Control of Modern power Systems 2024年第5期9卷 112-128页

作者： Yibo Wang yifan Wang Chuang Liu Yuan Fang Guowei Cai Weichun Ge School of Electrical En-gineering Northeast Electric Power UniversityJilin 132012China State Grid Changchun power Supply Company Changchun 130000China

Because of the rapid growth of new energy and the accompanying considerable uncertainty in the power market,the demand for flexibility in a power sys-tem has risen *** the meantime,the market structure of auxiliary services has changed,resulting in market participants(Mps)benefiting less than expected from providing flexible *** encourage Mps to provide flexibility,this study proposes a dynamic design framework for an auxiliary service compensation *** evaluate the proposed framework,a case study is conducted,examining a peak-shaving service in Liao-ning province in northeast ***,the operational status and limitations of the typical product,the peak-shaving service,in China’s flexibility auxiliary ser-vices market are ***,taking into considera-tion the time value of the flexible products provided by the Mps,a dynamic mechanism for hierarchical compensa-tion of flexibility auxiliary service costs is proposed,and a mathematical model aimed at optimizing the Mps’com-prehensive income is *** results show that,compared with the existing traditional mechanism,the proposed method can effectively guarantee fair remu-neration for the flexibility provider,while easing the tense supply-demand relationship in the flexibility *** Terms—power system flexibility,auxiliary ser-vices market,peak shaving auxiliary service,differenti-ated operation scenario,dynamic hierarchical compensa-tion mechanism.

关键词： power system flexibility auxiliary services market peak shaving auxiliary service differentiated operation scenario dynamic hierarchical compensation mechanism

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

GhATL68b regulates cotton fiber cell development by ubiquitinating the enzyme required forβ-oxidation of polyunsaturated fatty acids

引用

plant Communications 2024年第10期5卷 139-153页

作者： Xin Li Gai Huang yifan Zhou Kun Wang Yuxian Zhu College of Life Sciences Wuhan UniversityWuhan 430072China Institute for Advanced Studies Wuhan UniversityWuhan 430072China Hubei Hongshan Laboratory Wuhan 430072China TaiKang Center for Life and Medical Sciences Wuhan UniversityWuhan 430072China State Key Laboratory of plant Genomics and National Center for plant Gene Research Institute of Genetics and Developmental BiologyChinese Academy of SciencesBeijing 100101China

E3 ligases are key enzymes required for protein ***,we identified a C3H2C3 RIng domaincontaining E3 ubiquitin ligase gene named *** is preferentially and highly expressed in develop.ng cotton fiber cells and shows greater conservation in plants than in animals or *** four orthologous copies of this gene in various diploid cottons and eight in the allotetraploid *** were found to have originated from a single common ancestor that can be traced back to Chlamydomonas reinhardtii at about 992 million years *** variations in the GhATL68b promoter regions of ***,***,***,and *** are correlated with significantly different methylation pat*** CRISpR-Cas9 knockout cotton lines exhibit significant reductions in fiber quality traits,including upper-half mean length,elongation at break,uniformity,and mature fiber *** vitro ubiquitination and cell-free protein degradation assays revealed that GhATL68b modulates the homeostasis of 2,4-dienoyl-CoA reductase,a rate-limiting enzyme for theβ-oxidation of polyunsaturated fatty acids(pUFAs),via the ubiquitin proteasome *** cells harvested from these knockout mutants contain significantly lower levels of pUFAs important for production of glycerophospholipids and regulation of plasma membrane *** fiber growth defects of the mutant can be fully rescued by the addition of linolenic acid(C18:3),the most abundant type of pUFA,to the ovule culture *** experimentally characterized C3H2C3 type E3 ubiquitin ligase involved in regulating fiber cell elongation may provide us with a new genetic target for improved cotton lint production.

关键词： Gossypium hirsutum E3 ligases polyunsaturated fatty acids β-oxidation fiber development

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

A survey on large language model(LLM)security and privacy:The Good,The Bad,and The Ugly

High-Confidence Computing

引用

High-Confidence Computing 2024年第2期4卷 12-32页

作者： yifan Yao Jinhao Duan Kaidi Xu Yuanfang Cai Zhibo Sun Yue Zhang Department of Computer Science Drexel UniversityPhiladelphiaPA 19104USA

Large Language Models(LLMs),such as ChatGpT and Bard,have revolutionized natural language understanding and *** possess deep language comprehension,human-like text generation capabilities,contextual awareness,and robust problem-solving skills,making them invaluable in various domains(e.g.,search engines,customer support,translation).In the meantime,LLMs have also gained traction in the security community,revealing security vulnerabilities and showcasing their potential in security-related *** paper explores the intersection of LLMs with security and ***,we investigate how LLMs positively impact security and privacy,potential risks and threats associated with their use,and inherent vulnerabilities within *** a comprehensive literature review,the paper categorizes the papers into‘‘The Good’’(beneficial LLM applications),‘‘The Bad’’(offensive applications),and‘‘The Ugly’’(vulnerabilities of LLMs and their defenses).We have some interesting *** example,LLMs have proven to enhance code security(code vulnerability detection)and data privacy(data confidentiality protection),outperforming traditional ***,they can also be harnessed for various attacks(particularly user-level attacks)due to their human-like reasoning *** have identified areas that require further research *** example,Research on model and parameter extraction attacks is limited and often theoretical,hindered by LLM parameter scale and *** instruction tuning,a recent development,requires more *** hope that our work can shed light on the LLMs’potential to both bolster and jeopardize cybersecurity.

关键词： Large Language Model(LLM) LLM security LLM privacy ChatGpT LLM attacks LLM vulnerabilities

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

paleoenvironment of marine-continental transitional shales in the lower permian Shanxi formation,southeastern Ordos Basin,China

引用

Energy Geoscience 2024年第3期5卷 221-233页

作者： Jia Tan Yuqiang Jiang Xingtao Li Chunhai Ji yifan Gu Zhanlei Wang School of Geoscience and Technology Southwest Petroleum UniversityChengdu610500China The Unconventional Reservoir Evaluation Department PetroChina Key Laboratory of Unconventional Oil and Gas ResourcesChengdu610500China project Department of Tight Oil and Gas Exploration and Development PetroChina Southwest Oil&Gas Field CompanyChengdu610056China petroChina Coalbed Methane Company Beijing100028China Shale Gas Research Institute PetroChina Southwest Oil&Gasfield CompanyChengdu610051China

The paleoenvironment of shales can be reconstructed to some extent using the combinations or concentrations of elements that correlate strongly with environmental *** this study,we analyzed rare earth elements(REEs),major elements,and trace elements in the marine-continental transitional shales(transitional shales for short)of the Shan 2^(3)submember of the Shanxi Formation in the southeastern Ordos *** purpose is to deduce the paleoenvironmental conditions of the shales,encompassing paleoredox,paleoclimate,paleoproductivity,and *** Shan 2^(3)submember comprises four sections,namely Shan 2^(3)-1,Shan 2^(3)-2,Shan 2^(3)-3,and Shan 2^(3)-*** Ba/Al,p/Al,and Cu/Al ratios,along with biogenic barium(Babio),indicate that the paleoproductivity of the submember peaked during the Shan 2^(3)-1 deposition and exhibited a downtrend upward in other *** in the Uau and the Ni/Co,V/Cr,U/Th,and V/Sc ratios suggest that suboxic conditions prevailed during the Shan 2^(3)-1 deposition,with the oxidation level gradually increasing from Shan 2^(3)-1 to Shan 2^(3)-4.C-value and the Sr/Cu ***/Rb cross-plot indicate a warm and arid paleoclimate during the Shan 2^(3)-1 deposition,which transitioned to cooler,drier conditions during the deposition of other *** sensitive to paleoclimate,such as the K/Rb and Th/U ratios,along with the ICV,pIA,and Chemical Index of Alteration(CIA),highlight elevated weathering from Shan 2^(3)-2 to Shan 2^(3)-4,with Shan 2^(3)-1 exhibiting the weakest weathering during its *** suggested by the REE data,the Zr/Sc ***/Sr cross-plot,provenance discriminant functions,and the cross-plots of Hf ***/Th,Th ***-Co,and∑REE ***/Yb,the sedimentary provenance for the transitional shales of the Shan 2^(3)submember is of multiple origins,with significant contributions from the Upper Continental Crust(UCC).Discriminant diagrams,including those of Th-Co-Zr/10,Th-Sc-Zr/10,La-Th-Sc,and K_(2)O/Na_(2)O

关键词： Transitional shale paleoenvironment Elemental geochemistry Upper permian Shan 2^(3)submember Ordos basin

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

An electrically controlled tunable photonic crystal filter based on thin-film lithium niobate

引用

Optoelectronics Letters 2024年第4期20卷 200-204页

作者： WAng yifan YAO Yuan ZHAng Hao LIU Bo DUAN Shaoxiang LIN Wei Institute of Modern Optics College of Electronic Information and Optical EngineeringNankai UniversityTianjin 300350China Tianjin Key Laboratory of Optoelectronic Sensor and Sensing Network Technology Nankai UniversityTianjin 300350China Southern Marine Science and Engineering Guangdong Laboratory Zhuhai 519000China Tianjin Key Laboratory of Micro-scale Optical Information Science and Technology Nankai UniversityTianjin 300350China

In this paper,we present an electrically controlled tunable narrowband filter based on a thin-film lithium niobate two-dimensional(2D)photonic *** filter incorporates a photonic crystal microcavity structure within the straight waveguide,enabling electronic tuning of the transmitted wavelength through added electrode *** optimized microcavity filter design achieves a balance between high transmission rate and quality factor,with a transmission center wavelength of 1551.6 nm,peak transmission rate of 96.1%,and quality factor of ***,the filter can shift the central wavelength of the transmission spectrum by applying voltage to the electrodes,with a tuning sensitivity of 13.8 pm/*** proposed tunable filter adopts a simple-to-fabricate air-hole structure and boasts a compact size(length:11.57μm,width:5.27μm,area:60.97μm^(2)),making it highly suitable for large-scale *** features make the filter promising for broad applications in the fields of photonic integration and optical communication.

关键词： tunable tuning waveguide

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

In-dop.ng collaboratively controlling back interface and bulk defects to achieve efficient flexible CZTSSe solar cells

引用

Journal of Energy Chemistry 2024年第2期89卷 10-17,I0002页

作者： Quanzhen Sun yifan Li Caixia Zhang Shunli Du Weihao Xie Jionghua Wu Qiao Zheng Hui Deng Shuying Cheng Institute of Micro-Nano Devices and Solar Cells College of Physics and Information EngineeringFuzhou UniversityFuzhou 350108FujianChina Fujian Science&Technology Innovation Laboratory for Optoelectronic Information of China Fuzhou 350108FujianChina Jiangsu Collaborative Innovation Center of photovoltaic Science and Engineering Changzhou 213164JiangsuChina

Focusing on the low open circuit voltage(V_(OC))and fill factor(FF)in flexible Cu_(2)ZnSn(S,Se)_(4)(CZTSSe)solar cells,indium(In)ions are introduced into the CZTSSe absorbers near Mo foils to modify the back interface and passivate deep level defects in CZTSSe bulk concurrently for improving the performance of flexible *** results show that In dop.ng effectively inhibits the formation of secondary phase(Cu(S,Se)_(2))and *** studies demonstrate that the barrier height at the back interface is decreased and the deep level defects(Cu_(Sn)defects)in CZTSSe bulk are ***,the carrier concentration is increased and the V_(OC) deficit(V_(OC,def))is decreased significantly due to In ***,the flexible CZTSSe solar cell with 10.01%power conversion efficiency(pCE)has been *** synergistic strategy of interface modification and bulk defects passivation through In incorporation provides a new thought for the fabrication of efficient flexible kesterite-based solar cells.

关键词： Flexible solar cells Cu_(2)ZnSn(S,Se)_(4) Back interface Deep level defects Barrier height

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Core-Shell Semiconductor-Graphene Nanoarchitectures for Efficient photocatalysis:State of the Art and perspectives

引用

Nano-Micro Letters 2024年第12期16卷 553-588页

作者： Jinshen Lan Shanzhi Qu Xiaofang Ye yifan Zheng Mengwei Ma Shengshi Guo Shengli Huang Shup.ng Li Junyong Kang Engineering Research Center of Micro-Nano Optoelectronic Materials and Devices Ministry of EducationFujian Key Laboratory of Semiconductor Materials and ApplicationsCI Center for OSEDDepartment of PhysicsXiamen UniversityXiamen 361005People’s Republic of China

Semiconductor photocatalysis holds great promise for renewable energy generation and environment remediation,but generally suffers from the serious drawbacks on light absorption,charge generation and transport,and structural stability that limit the *** core-shell semiconductorgraphene(CSSG)nanoarchitectures may address these issues due to their unique structures with exceptional physical and chemical *** review explores recent advances of the CSSG nanoarchitectures in the photocatalytic *** starts with the classification of the CSSG nanoarchitectures by the ***,the construction methods under internal and external driving forces were introduced and compared with each ***,the physicochemical properties and photocatalytic applications of these nanoarchitectures were discussed,with a focus on their role in *** ends with a summary and some perspectives on future development of the CSSG nanoarchitectures toward highly efficient photocatalysts with extensive *** harnessing the synergistic capabilities of the CSSG architectures,we aim to address pressing environmental and energy challenges and drive scientific progress in these fields.

关键词： Core-shell semiconductor-graphene Nanoarchitecture photocatalysis Driving force Interface

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Assessment on gas-polyethylene terephthalate solid interface partial discharge properties of C4F7N/CO_(2)gas mixture for eco-friendly gas insulating transformer

引用

High Voltage 2024年第1期9卷 35-45页

作者： Song Xiao yifan Wang Chenhua Ren Haoran Xia Yue Zhao Jingzi Qin Xiaoxing Zhang Yi Luo Yi Li State Key Laboratory of power Grid Environmental protection School of Electrical Engineering and AutomationWuhan UniversityWuhanHubeiChina Beijing International S&T Cooperation Base for plasma Science and Energy Conversion Institute of Electrical EngineeringChinese Academy of SciencesBeijingChina State Grid Anhui Electric power Company Anhui Electric power Research Institute HefeiAnhuiChina Hubei Engineering Research Center for Safety Monitoring of New Energy and power Grid Equipment School of Electrical and Electronic EngineeringHubei University of TechnologyWuhanHubeiChina

The eco-friendly insulating gas perfluoroisobutyronitrile(C_(4)F_(7)N)is potentially used in gas-insulated transformers(GIT)to replace sulphur hexafluoride(SF_(6)).However,evaluation of the long-term insulation reliability and gas–solid interface discharge decomposition characteristics of the gas–solid film insulation structure in GIT is *** authors simulated the gas–solid film insulation structure in GIT and explored the interface partial discharge(pD)characteristics of C4F7N/CO_(2)gas mixture with polyethylene terephthalate(pET).The effect of gas pressure,mixing ratio on gas–solid interface gas decomposition,pET degradation was investigated,and the interaction mechanism was *** is found that the interface pD generated three degradation regions on a pET *** gas–solid interface reaction in the electrode contact region and the discharge development trace was significantly higher than that of halation *** content of gas decomposition products decreases with the increase of gas pressure and the pD intensity of SF6-pET is inferior to that of C_(4)F_(7)N/CO_(2)under the same *** results provide reference for the development and application of C_(4)F_(7)N/CO_(2)based GIT.

关键词： interface solid insulation

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Molecular Epidemiological Study of a Human Brucellosis Outbreak—Weihai City,Shandong province,China,2022

引用

China CDC weekly 2024年第12期6卷 230-234页

作者： Yan Li yifan Yu Jian Zhao Shujun Ding Guoying Zhang Xiaolin Yu Zengqiang Kou Shandong provincial Center for Disease Control and prevention Jinan CityShandong ProvinceChina Shandong First Medical University Shandong Academy of Medical SciencesJinan CityShandong ProvinceChina Weihai Municipal Center for Disease Control and prevention Weihai CityShandong ProvinceChina

What is already known about this topic?Brucellosis,mainly caused by Brucella melitensis(***),is regarded as a significant zoonotic disease in *** Weihai,located at the eastern end of the Shandong peninsula,brucellosis has been in a low epidemic phase for the past five *** is added by this report?This was the initial report of a brucellosis outbreak in the last five *** of *** bv.3 from Weihai and other cities showed a close genetic relationship,suggesting a potential common *** are the implications for public health practice?Epidemiological investigations depend on standardized and effective molecular typ.ng methods and analysis tools for public health laboratories to identify and trace *** the circulation patterns of livestock in free-range households in heavily affected areas is essential for controlling the spread of brucellosis.

关键词： Shandong China. break

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

plasma-assisted synthesis of porous bismuth nanosheets for electrocatalytic CO_(2)-to-formate reduction

引用

Journal of Energy Chemistry 2024年第7期94卷 19-28页

作者： Liangp.ng Xiao Qizheng Zheng Rusen Zhou Sifan Liu yifan Zhao Yadong Zhao Renwu Zhou Kostya Ken Ostrikov State Key Laboratory of Electrical Insulation and power Equipment Centre for Plasma BiomedicineSchool of Electrical EngineeringXi'an Jiaotong UniversityXi'an 710049 ShaanxiChina School of Chemistry and physics QUT Centre for Materials ScienceQueensland University of Technology(QUT)BrisbaneQLD 4000.Australia Department of physics Research Institute for Biomimetics and Soft MatterFujian Provincial Key Laboratory for Soft Functional MaterialsJiujiang Research InstituteXiamen UniversityXiamen361005FujianChina Department of Biomaterials College of MaterialsXiamen UniversityXiamen 361005FujianChina School of Food and pharmacy Zhejiang Ocean UniversityZhoushan 316022ZhejiangChina

The electrochemical carbon dioxide reduction(eCO_(2)RR)to formate,driven by clean energy,is a promising approach for producing renewable chemicals and high-value *** its potential,further development faces challenges due to limitations in electrocatalytic activity and durability,especially for nonnoble metal-based ***,naturally abundant bismuth-based nanosheets that can effectively drive CO_(2)-to-formate electrocatalytic reduction are prepared using the plasma-activated Bi_(2)Se_(3) followed by a reduction ***-obtained plasma-activated Bi nanosheets(p-BiNS)feature ultrathin structures and high surface *** nanostructures ensure the p-BiNS with outstanding eCO_(2)RR catalytic performance,highlighted by the current density of over 80 mA cm^(-2) and a formate Faradic efficiency of>90%.Furthermore,p-BiNS catalysts demonstrate excellent durability and stability without deactivation following over 50h of *** selectivity for formate production is also studied by density functional theory(DFT)calculations,validating the importance and efficacy of the stabilization of intermediates(^(*)OCHO)on the p-BiNS *** study provides a facile plasma-assisted approach for develop.ng high-performance and low-cost electrocatalysts.

关键词： plasma-assisted synthesis plasmaa ctivation Bismuth nanosheet CO_(2)RR Formate

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：