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Rhyscotus subrisus Li&jiang,sp.nov.,representing a new record family Rhyscotidae from China(Isopoda:Oniscidea)

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Zoological Systematics 2024年第2期49卷 181-183页

作者： Chonghui Yao Chao jiang weichun Li College of Agronomy Jiangxi Agricultural UniversityNanchang 330045China State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs National Resource Center for Chinese MateriaMedicaChina Academy of Chinese Medical SciencesBeijing 100700China

The family Rhyscotidae Budde-Lund,1904 contains two genera:Rhyscotoides Schmalfuss&Ferrara,1978 and Rhyscotus Budde-Lund,1885.To date,twenty-one species within the family are known,occurring in the subtropic and tropic regions(Schmalfuss,2003;Schmidt,2003;Boyko et al.,2022).The members of the family can be recognized by the cephalon with a strongly inflated frons,the antennae with two-jointed flagellum,the maxillae are almost semicircular,the maxillipeds have short palpus and endite,and pleopod exopodites without pseudotracheae(Schmalfuss&Ferrara,1978).Before this study,the members of Rhyscotidae were unknown in China.The present research describes a new species of the genus Rhyscotus from Hainan Island,representing a new record of the family Rhyscotidae from China.

关键词： record family

Development of a stationary ca,-bon emission inventory for Shanghai using pollution source census data

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Frontiers of Earth Science 2016年第4期10卷 691-706页

作者： Xianzhe LI Ping jiang Yan ZHANG weichun MA Department of Environmental Science and Engineering Fudan University Shanghai 200433 China Fudan Tyndall Centre Fudan University Shanghai 200433 China

This study utilizes 521,631 activity data points from the 2007 Shanghai Pollution Source Census to compile a stationary carbon emission inventory for Shanghai. The inventory generated from our dataset shows that a large portion of Shanghai＇s total energy use consists of coal-oriented energy consumption. The elec- tricity and heat production industries, iron and steel mills, and the petroleum refining industry are the main carbon emitters. In addition, most of these industries are located in Baoshan District, which is Shanghai＇s largest contributor of carbon emissions. Policy makers can use the enterprise- level carbon emission inventory and the method designed in this study to construct sound carbon emission reduction policies. The carbon trading scheme to be established in Shanghai based on the developed carbon inventory is also introduced in this paper with the aim of promoting the monitoring, reporting and verification of carbon trading. Moreover, we believe that it might be useful to consider the participation of industries, such as those for food processing, beverage, and tobacco, in Shanghai＇s carbon trading scheme. Based on the results contained herein, we recommend establishing a comprehensive carbon emission inventory by inputting data from the pollution source census used in this study.

关键词： carbon emission inventory greenhouse gas（GHG） statistical yearbook pollution source census,Shanghai

Studies of the linearity of the readout module assembling using the eXTP-GPD chips

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辐射探测技术与方法(英文) 2023年第2期7卷 255-262页

作者： Jiechen jiang Liang Sun Yang Jiao WeiChun Jiang Yupeng Xu Huilin He Xiaohua Liu Yuanyuan Du Sheng Yang Zefang Dong Xiaojing Liu Boyu Dai Institute of High Energy Physics Chinese Academy of SciencesBeijing100049China Key Laboratory of Particle Astrophysics Chinese Academy of SciencesBeijing100049China University of Chinese Academy of Sciences Beijing100049China

Background The Gas Pixel Detector(GPD)is a key part of the Polarimetry Focusing Array(PFA)sub-system onboard the enhance X-ray Timing and Polarimetry mission(eXTP).The GPD can accurately provide the polarized angle and degree for incoming soft X-rays(requirements of minimum detectable polarization<1%(10^(6) s,1 mCrab))from celestial objects under extreme conditions of density,gravity and magnetism.Purpose Paste the GPD chips on a matched ceramic package is one of the most important procedures for the GPD assembly,and the parallelism between the top surface of an ASIC chip and the bottom surface of a Gas Electron Multiplier(GEM)foil can have impact on the distribution of electric field within transfer region and reconstruction of photoelectric trajectories,resulting in deterioration of the GPD sensitivity.This study quantifies the influence and gives a reasonable expectation of the parallelism.Methods A simulation framework of the GPD is constructed to quantify the influence on the GPD performance and values of the parallelism are measured by a gauge with a position resolution of o.1μm.Results:The difference of degree of modulation is less than 1% comparing the parallelism with a value of 20μm to a value of 0μm in response to both polarized and unpolarized X-rays.Meanwhile,the value of parallelism can reach 6.9±3.4μm(0.0176°±0.0087°)by testing and verifying.Conclusions The impact on the GPD performance can be less than 1%as the parallelism with an order of 20μm,and we also give a reasonable measuring method and verify the controllability and feasibility of the parallelism with an order of 20μm for pasting the ASIC chip on the surface of a ceramic package.

关键词： Parallelism Gas pixel detectors Gaseous detector simulation Measurements

Individual environmental behavior： A key role in building lowcarbon communities in China

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Frontiers in Energy 2018年第3期12卷 456-465页

作者： Ping jiang Hongjia DONG Yun ZHU Adila ALIMUjiang Zhenhua ZHAN weichun MA Department of Environmental Science and Engineering Fudan TyndallCentre Fudan University Shanghai 200433 China

People＇s social behavior, especially environ- mental behavior, has a great impact on energy consump- tion and carbon emission. This paper explores both categories of individual factors （e.g., values, habits, education, motivation, etc.） and social factors （e.g., institution, infrastructure, encouragement, etc.）, to clarify the correlation between them and their sub-factors. Low- carbon campus is a representative type of low-carbon community which is less difficult to build than other communities because university students are well-edu- cated and, to some extent, are more environmental aware and more willing to change their behaviors. The energy- saving and environment-friendly policies implemented on campus are collected and overviewed in this paper. Additionally, the leaders and employees from the related administration departments are interviewed, and the data of electricity amount and water usage are analyzed and a well-designed questionnaire is handed out in a survey. The survey investigates the environmental knowledge, energy use habits, attitude toward low-carbon transformation, comments on the current institution and so on. The results show that different groups of students have varied levels of environmental knowledge, energy use habits, and attitude toward low-carbon campus management. To improve energy conservation and cut carbon emission radically, advices on building low-carbon community are also proposed including professional curriculums of environ- mental protection, economic initiatives, effect manage- ment, good communications, and sound infrastructures and facilities.

关键词： behavior change energy saving low-carbon community campus of Fudan University China

Hierarchical Dispatch Method for Integrated Heat and Power Systems Based on a Feasible Region of Boundary Variables

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CSEE Journal of Power and Energy Systems 2020年第3期6卷 543-553页

作者： Tuo jiang Yong Min weichun Ge Lei Chen Qun Chen Fei Xu Huanhuan Luo Guiping Zhou State Key Laboratory of Control and Simulation of Power System and Generation Equipment Department of Electrical EngineeringTsinghua UniversityBeijing 100084China State Grid Liaoning Electric Power Supply Co.Ltd. Shenyang 110000China Department of Engineering Mechanics Tsinghua UniversityBeijing 100084China

Fully utilizing the flexibility provided by a district heating system(DHS)can promote wind power accommodation for an electric power system(EPS).However,for privacy or communication reasons,existing power and heat dispatch methods are not suitable for practical application.In this paper,a general math formulation of the hierarchical dispatch method is proposed to coordinate EPS and DHS operators based on the feasible region of boundary variables(FRBV),and a method based on the simplicial approximation approach is proposed to obtain a conservative FRBV approximation of a DHS.A simulation based on a real 41-node DHS is constructed to determine the factors that may impact the boundaries of the FRBV,and then the performance of the simplicial approximation approach is displayed by visualizing the approximation process for the FRBV,and finally three dispatch methods are compared to show the advantages of the proposed hierarchical dispatch method.

关键词： District heating system feasible region hierarchical dispatch method integrated heat and power system simplicial approximation approach

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车桥主减速器性能检测系统研制

汽车实用技术 2020年第14期45卷 57-58,78页

作者：姜维春辽宁曙光汽车集团股份有限公司辽宁丹东118001

振动和噪声参数是判断汽车车桥主减速器性能两个重要指标,文章提出采用压电式加速度传感器和噪声声级计对车桥主减速器振动信号和噪音信号进行采集,并利用信号分析技术和智能方法,提炼出车桥主减特征信号,进而实现车桥主减速器运动品质... 详细信息

振动和噪声参数是判断汽车车桥主减速器性能两个重要指标,文章提出采用压电式加速度传感器和噪声声级计对车桥主减速器振动信号和噪音信号进行采集,并利用信号分析技术和智能方法,提炼出车桥主减特征信号,进而实现车桥主减速器运动品质的检测,文章所研制的检测系统对于生产实践有重要的指导价值。

关键词：振动噪声检测

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博士学位制度起源与博士生培养模式演变

学位与研究生教育 2024年第6期 6-15页

作者：董维春姜璐刘晓光南京农业大学南京210095 南京农业大学研究生院南京农业大学公共管理学院南京210095 江苏省教育科学研究院

推进学术学位与专业学位研究生教育分类发展,需要厘清学位制度起源与模式演变。博士学位起源于欧洲中世纪,以巴黎大学为代表,早期仅授予医学、法学和神学三科,以辩论为主,是最高智力能力的标志。科学革命后,哲学博士学位逐步取得合法地... 详细信息

推进学术学位与专业学位研究生教育分类发展,需要厘清学位制度起源与模式演变。博士学位起源于欧洲中世纪,以巴黎大学为代表,早期仅授予医学、法学和神学三科,以辩论为主,是最高智力能力的标志。科学革命后,哲学博士学位逐步取得合法地位,以柏林大学为代表,通过研讨班、研究所和书面论文等制度设计,形成了洪堡模式,是对学位获得者独立开展学术研究能力的认可。美国通过研究生院制度,促进了博士生教育规模化和多样化,形成了美国模式。为适应产业革命对实用人才的需求,欧洲创办了专门学院,美国形成了专业学位教育制度。不同模式的学位制度有其历史背景与社会属性,在健全中国特色学位与研究生教育体系时,需要结合中国国情,在借鉴的基础上创新发展。

关键词：哲学博士专业学位学位制度研究生教育培养模式

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高温下铝合金轴心压杆极限承载力实用计算

建筑钢结构进展 2016年第3期18卷 44-48页

作者：蒋首超林维春同济大学土木工程学院上海200092 同济大学土木工程防灾国家重点实验室上海200092

随着温度升高,铝合金的名义屈服强度和弹性模量下降,进而影响其高温下的极限承载力。将这种影响归纳为两个方面:第一,温度升高引起轴心压杆相对长细比的变化,定义温度函数进行描述;第二,温度升高,在相对长细比相同的情况下,引起轴心压... 详细信息

随着温度升高,铝合金的名义屈服强度和弹性模量下降,进而影响其高温下的极限承载力。将这种影响归纳为两个方面:第一,温度升高引起轴心压杆相对长细比的变化,定义温度函数进行描述;第二,温度升高,在相对长细比相同的情况下,引起轴心压杆稳定系数的变化,定义变换函数进行描述。采用某工程中的工字形截面作为典型截面进行有限元计算,确定两类函数的实用计算公式,并引用我国铝合金结构设计规范中的柱子曲线作为常温下的柱子曲线从而近似考虑截面规格类型不同的影响。最后,对文献中97根试件试验结果与有限元结果进行对比,验证有限元模型的正确性;同时,实用计算方法与欧洲规范方法对比表明:该方法与欧规方法同样安全简便地计算出高温下极限承载力,并且200℃之后比欧规方法更接近试验结果。

关键词：铝合金轴心受压稳定系数高温弯曲屈曲实用计算

In-orbit performance of ME onboard Insight-HXMT in the first 5 years

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Radiation Detection Technology and Methods 2023年第1期7卷 15-24页

作者： Ying Tan Xuelei Cao WeiChun Jiang Xiaobo Li Bin Meng Wanchang Zhang Sheng Yang Tao Luo Yudong Gu Liang Sun Xiaojing Liu Yuanyuan Du Jiawei Yang Yanjun Xu Jinyuan Liao Yupeng Xu Fangjun Lu Liming Song Shuangnan Zhang Key Laboratory of Particle Astrophysics Institute of High Energy PhysicsChinese Academy of Science19B Yuquan RoadShijingshan DistrictBeijing 100049China

Introduction The medium-energy X-ray telescope(ME)is a collimated X-ray telescope onboard the Insight hard X-ray modulation telescope(Insight-HXMT)satellite.It has 1728 Si-PIN pixels readout using 54 low noise application-specific integrated circuits(ASICs).ME covers the energy range of 5–30 keV and has a total detection area of 952cm2.The typical energy resolution of ME at the beginning of the mission is 3 keV at 17.8 keV(full width at half maximum,FWHM),and the time resolution is 255μs.In this study,we present the in-orbit performance of ME in its first 5 years of operation.Methods The performance of ME was monitored using onboard radioactive sources and astronomical X-ray objects.ME carries six 241Am radioactive sources for onboard calibration,which can continuously illuminate the calibration pixels.The long-term performance evolution of ME can be quantified using the properties of the accumulated spectra of the calibration pixels.In addition,observations of the Crab Nebula and the pulsar were used to check the long-term evolution of the detection efficiency as a function of energy.Conclusion After 5 years of operation,742cm2 of the Si-PIN pixelswere stillworking normally.The peak positions of 241Am emission lines gradually shifted to the high-energy region,implying a slow increase in ME gain of 1.43%.A comparison of the ME spectra of the Crab Nebula and the pulsar shows that the E–C relations and the redistribution matrix file are still acceptable for most data analysis works,and there is no detectable variation in the detection efficiency.

关键词： Hard X-ray Calibration Detector In-orbit performance