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Optimal Decision-Making of Trans-Provincial Electricity Market Subjects with Risks under Renewable Portfolio Standards

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Energy Engineering 2022年第3期119卷 1141-1167页

作者： HuiWang yishu chen Zichao Wu Haocheng Xu School of Economics and Management Shanghai University of Electric PowerShanghai201306China

The randomness and uncertainty of renewable energy generation are expected to significantly change the optimal decision-making of trans-provincial electricity market ***,it is beneficial to optimize the interests of each of these subjects,considering the unpredictable risks of renewable energy under the renewable portfolio standards(RPS)and researching their effects on the optimal decision-making of transprovincial electricity market ***,we develop a trans-provincial trading market mechanism for renewable energy and clarify the electricity supply and demand relation and the green certificates supply and demand relation of trans-provincial ***,under the RPS,we construct a multi-subject game model of the power supply chain that recognizes the risks,and adopt the reverse induction method to discuss the optimum risk-taking judgment of each subject in the trans-provincial electricity ***,we useMATLAB to verify the viability and efficacy of the proposed gamemodel,and obtain a certain reference value for the optimal decision-making of trans-provincial electricity market *** summary,we consider the uncertainty risks of renewable energy under RPS,study the effects of the green certificate price and risk aversion coefficient in the RPS mechanism on the optimal decisionmaking of trans-provincial electricity market subjects,and obtain the changing trends of two different power products and those of different electricity market subjects under the influence of the green certificate price and risk aversion coefficient,which have a certain reference value for studying the factors affecting the optimal decision-making of trans-provincial electricity market subjects.

关键词： Renewable portfolio standards uncertainty risks CVaR method trans-provincial electricity market subjects optimal decision-making

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二氧化硅平面波导集成光开关器件研究

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光学仪器 2024年第2期46卷 69-76页

作者：郭松袁硕陈益姝玄洪文冯吉军上海理工大学光电信息与计算机工程学院上海200093 广东大湾区空天信息研究院广东广州510535

基于二氧化硅平面光波导平台,设计并制作了一种多模干涉马赫曾德型的低功耗热光开关。该器件结合了多模干涉耦合器的稳定性及二氧化硅波导和热光开关的低损耗等优势。经仿真,对器件参数进行了优化,并讨论了金属层与波导的间距对传输光... 详细信息

基于二氧化硅平面光波导平台,设计并制作了一种多模干涉马赫曾德型的低功耗热光开关。该器件结合了多模干涉耦合器的稳定性及二氧化硅波导和热光开关的低损耗等优势。经仿真,对器件参数进行了优化,并讨论了金属层与波导的间距对传输光强及功耗的影响。测试结果表明,该器件的结构稳定,偏振依赖小,插入损耗低于2 dB,能实现开关的转换,功耗为450 mW左右,开关响应时间为103µs和113µs,在1564 nm工作波长下消光比超过16 dB,尺寸为2.30 cm×0.25 mm。该器件不仅与互补金属氧化物半导体工艺相兼容,同时与光纤之间也有较好的兼容性。二氧化硅波导光开关器件具有成本低,产量大,性能稳定的优势,能给光通信及光计算的未来发展提供可靠的基础。

关键词：平面光波导多模干涉器热光开关光通信光计算

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A new bio-oxidation method for removing iron deposits from waterlogged wood of Nanhai I shipwreck,Guangdong,China

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Engineering Microbiology 2024年第1期4卷 1-9页

作者： yishu Wang Zijun Zhao Jianqun Lin Qinglin Ma Linxu chen International Joint Research Laboratory of Environmental and Social Archaeology Shandong UniversityQingdao 266237China State Key Laboratory of Microbial Technology Shandong UniversityQingdao 266237China

The widespread presence of iron and sulfur compounds such as pyrite in marine waterlogged archeological wood(WAW)can cause irreversible damage to the safety of its *** issue has been a longstanding concern for cultural heritage conservation *** this study,we examined the distribution and phase composition of Fe and sulfur compounds in wood samples obtained from the Nanhai I shipwreck using ESEM-EDS,micro-Raman spectroscopy,and an X-ray *** removal of iron from WAW samples of the Nanhai I shipwreck using Acidithiobacillus ferrooxidans(***)was evaluated using conductivity and ICP-AES *** results showed that *** effectively improved the removal of iron from *** degradation of fresh healthy wood during treatment was also analyzed using infrared spectroscopy,and the results showed that the treatment had little effect on the samples over a short *** study demonstrates,for the first time,the feasibility of iron extraction from marine WAW by *** was also the first attempt in China to apply biological oxidation to the removal of iron from marine archeological materials.

关键词： Waterlogged archeological wood Iron-sulfur compounds Acidithiobacillus ferrooxidans Cultural heritage

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Paleoenvironmental Characteristics of Paleogene Lacustrine Source Rocks in the Western Bozhong Sag,Bohai Bay Basin,China:Evidence from Biomarkers,Major and Trace Elements

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Acta Geologica Sinica(English Edition) 2024年第1期98卷 220-240页

作者： WANG Xiang LIU Guangdi SONG Zezhang SUN Mingliang WANG Xiaolin WANG Feilong chen Rongtao GENG Mingyang LI yishu State Key Laboratory of Petroleum Resources and Prospecting China University of PetroleumBeijing 102249China College of Geosciences China University of PetroleumBeijing 102249China China National Offshore Oil Co. Ltd.(CNOOC)Tianjin Branch CompanyTianjin 300459China CNOOC Research Institute Beijing 100028China

The organic matter(OM)enrichment mechanisms and depositional environment characteristics of lacustrine source rocks in the western Bozhong Sag,Bohai Bay Basin in Northeast China remain *** address these issues,based on Rock-Eval pyrolysis,kerogen macerals,H/C and O/C ratios,GC-MS,major and trace elements,the Dongying Formation Member(Mbr)3(E_(3)d_(3)),the Shahejie Formation mbrs 1 and 2(E_(2)s_(1+2)),and the Shahejie Mbr 3(E_(2)s_(3))source rocks in the western Bozhong Sag were *** above methods were used to reveal their geochemical properties,OM origins and depositional environments,all of which indicate that E_(2)s_(1+2)and E_(2)s_(3)are excellent source rocks,and that E_(3)d_(3)is of the second good quality.E_(3)d_(3)source rocks were formed under a warm and humid climate,mainly belong to fluvial/delta facies,the E_(3)d_(3)sediments formed under weakly oxidizing and freshwater ***,the depositional environments of E_(2)s_(1+2)source rocks were arid and cold climate,representing saline or freshwater lacustrine facies,and the sediments of E_(2)s_(1+2)belong to anoxic or suboxic settings with large evaporation and *** the period of E_(2)s_(3),the climate became warm and humid,indicating the freshwater lacustrine facies,and E_(2)s_(3)was characterized by freshwater and abundant ***,compared with other intervals,the OM origin of E_(3)d_(3)source rocks has noticeable terrestrial *** OM origin of the E_(2)s_(1+2)and E_(2)s_(3)are mainly plankton and *** subsidence and climate change have affected the changes of the depositional environment in the western Bozhong Sag,thus controlling the distribution of the source rocks,the geochemical characteristics in the three intervals of lacustrine source rocks have distinct ***,these factors are effective to evaluate the paleoenvironmental characteristics of source rocks by biomarkers,major and trace *** established models

关键词： petroleum geology source rocks depositional environments biomarkers major elements trace elements Bozhong Sag

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Global burden trends of MAFLD-related liver cancer from 1990 to 2019

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Portal Hypertension & Cirrhosis 2023年第4期2卷 157-164页

作者： Hangkai Huang Zhening Liu Miao Xu yishu chen chengfu Xu Department of Gastroenterology The First Affiliated HospitalZhejiang University School of MedicineHangzhouZhejiangChina

Aims:Metabolic dysfunction-associated fatty liver disease(MAFLD)has become a serious public health challenge and is a cause of liver *** on the global epidemiology of MAFLD-related liver cancer remain *** study aimed to estimate the global burden trends of MAFLD-related liver cancer between 1990 and ***:We estimated the numbers of global incident cases,deaths,and disability-adjusted life years(DALYs)of MAFLD-related liver cancer by analyzing data from the Global Burden of Disease Study *** also analyzed the trends and regional and national differentials of MAFLD-related liver ***,we investigated the influential factors for the trends in MAFLD-related liver ***:Globally,there were 36,340(95% uncertainty interval[UI]:29,490–44,860)incident cases,34,730(95%UI:28,390-43,180)deaths,and 795,810(95%UI:657,290–975,790)DALYs of MAFLD-related liver cancer in 2019,representing increases of 205%,195%,and 166%compared with 1990,*** age-standardized incidence,mortality,and DALY rates per 100,000 population in 2019 were 0.44,0.43,and 9.64,*** most pronounced increases in incidence,deaths,and DALYs were consistently observed in countries with a high sociodemographic *** trends were noted in these three measures since 2005,and the trends were much greater in men than in ***:MAFLD-related liver cancer poses a substantial global burden that continues to *** trends were observed in countries with a high sociodemographic index.

关键词： health burden liver cancer metabolic dysfunction-associated fatty liver disease

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性二元论及明儒的批判和改造

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人文杂志 2021年第11期 60-69页

作者：杨世文陈祎舒四川大学古籍整理研究所

早在先秦时代,先贤就对人性进行了初步的探索,尤其是孟子、告子、荀子围绕着人性善恶与否表达了自己的不同观点。随着宋明理学的兴起,理学家们逐渐形成了“天地之性”与“气质之性”的性二元论,意在从本体论上肯定孟子的性善说,同时结... 详细信息

早在先秦时代,先贤就对人性进行了初步的探索,尤其是孟子、告子、荀子围绕着人性善恶与否表达了自己的不同观点。随着宋明理学的兴起,理学家们逐渐形成了“天地之性”与“气质之性”的性二元论,意在从本体论上肯定孟子的性善说,同时结合宇宙论对孔子的“性相近”与告子的“生之谓性”等人性说加以弥合。但由于性二元论本身存在着否认以“气质之性”为性与割裂理气的倾向,明代理学家据此对性二元论进行了批判与改造。纵观每一次人性论的发展,都离不开学者对于善恶之源的探索。

关键词：善恶性二元批判改造

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现代直升机与制造技术

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航空制造技术 2000年第6期43卷 28-30页

作者：陈怡枢中国直升机设计研究所

介绍了现代直升机技术的最新进展和发展趋势 ;叙述了直升机发展与制造技术相互依存、相互促进的关系 ;并提出协调发展我国直升机制造技术的一些思路。

关键词：直升机制造技术发展趋势

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利用海骚回波推测海面风浪

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台湾海峡 1990年第3期9卷 269-274页

作者：周笃诚陈亿署汕头气象台 515041

本文根据我国海岸雷达的实际情况,提出了直接测量海骚回波强度和直接测定海骚回波最大距离的方法,并利用实测资料,建立了最大风速与海骚回波最大距离的相关关系式及海骚回波最大距离与海面风浪关系曲线。

关键词：海面风浪海骚回波海浪

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城市设计与建筑空间形态——北京世纪城市

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城市建筑 2005年第7期2卷 16-19页

作者：刘力陈怡姝北京市建筑设计研究院北京100045 深圳市清华苑建筑设计有限公司第二设计所深圳518052

单体建筑应嵌入城市的节点,为所在城市整体环境傲出贡献。建筑空间形态设计更应从所在城市片断中寻找创作契机,在设计表达中需要经历理性分析与感性升华两个相互交织的过程。

关键词：城市设计契机建筑空间形态设计表达

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植物多糖对肠道健康保护作用的研究进展

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广东饲料 2021年第5期30卷 29-30页

作者：陈一淑苏小华广东医科大学实验动物中心

植物多糖是一类生物活性物质,具有一定保健作用。近年来,人们关于植物多糖对肠道健康的作用开展了广泛的研究。植物多糖可通过改善肠道组织形态、维护肠道屏障完整性、增强免疫反应以及调节肠道菌群等,使得肠道内部环境处于良好状态。... 详细信息

植物多糖是一类生物活性物质,具有一定保健作用。近年来,人们关于植物多糖对肠道健康的作用开展了广泛的研究。植物多糖可通过改善肠道组织形态、维护肠道屏障完整性、增强免疫反应以及调节肠道菌群等,使得肠道内部环境处于良好状态。通过查阅近几年的文献,该文就植物多糖对肠道健康的保护作用与机制进行综述,为推进植物多糖的研究和应用提供理论支持。

关键词：植物多糖肠道健康保护

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