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现代盐化工 2020年第4期47卷 151-152页

作者：陈昭昭王晓龙湖南工艺美术职业学院湖南益阳413000 益阳职业技术学院湖南益阳413000

百万扩招既为高职院校进行改革提供了政策支撑,又倒逼高职院校彰显多元化的育人功能。面对规模扩张与质量提升的双重任务,针对百万扩招背景下大学生生源构成复杂、教学及学生管理模式变化等因素提出新型校园信息化管理系统的构建设想。

关键词：百万扩招高职院校信息化管理系统

高校二级学院服务学生的学生工作体制建设研究——以南京晓庄学院新闻传播学院为例

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科教导刊 2014年第11期 224-226页

作者：闵致康陈昭昭南京晓庄学院新闻传播学院江苏南京210017 南京晓庄学院校团委江苏南京210017

本文以高校二级学院实际学生工作为例,从学生工作服务教学工作、学生工作自身特点、学生工作以生为本、学生工作依靠各方面的支持、学生工作模式基本平台等方面进行论述,立足服务学生,全面阐述了学生工作体制的建设。

关键词：高校二级学院服务学生学生工作体制

新冠肺炎疫情下学生居家学习状态的可视化分析

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台州学院学报 2023年第3期45卷 43-50页

作者：陈照照陈晓聪钟姿慧金杰台州学院电子与信息工程学院浙江台州318000

新冠肺炎疫情的暴发对学校学生产生了巨大的影响,本文针对学生在新冠肺炎疫情期间居家学习的现状进行了研究和分析。利用K-means聚类算法和数据可视化,从学生学习、生活、身心健康情况等多角度分析新冠肺炎疫情给学生带来的影响;通过分... 详细信息

新冠肺炎疫情的暴发对学校学生产生了巨大的影响,本文针对学生在新冠肺炎疫情期间居家学习的现状进行了研究和分析。利用K-means聚类算法和数据可视化,从学生学习、生活、身心健康情况等多角度分析新冠肺炎疫情给学生带来的影响;通过分析中国政府应对新冠肺炎疫情相关的政策文本数据,提出新冠肺炎疫情期间确保学生正常接受教育的建议,为新冠肺炎疫情下学生的身心健康成长提供参考。

关键词：新冠肺炎疫情学生学习现状可视化

A refined representation method of the particle size distribution curve based on grading entropy

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Particuology 2024年第5期88卷 302-311页

作者： Xing Li Qun chen zhaozhao Liu cheng Zhou chen Wang chen chen State Key Laboratory of Hydraulics and Mountain River Engineering College of Water Resource and HydropowerSichuan UniversityChengdu610065China

The particle size distribution(PSD)curve is an important expression of the basic properties of the *** characteristic parameters such as median particle size D_(50),effective particle size D_(10),and some combinations of characteristic parameters can only represent some points of the PSD curve,failing to represent all information of the PSD *** this paper,a fraction characteristic parameter F that could reflect the fraction size variation of the PSD curve was introduced based on grading *** a new presentation method of the A-B-F three parameters was proposed for a refined representation of the PSD *** was found that the newly constructed model not only better represents the differences in the width of PSD curves but also has a higher sensitivity than the A-B two-parameter model proposed by Lő*** PSD curves with similar distributions,the new presentation method has a higher degree of discrimination than that of the D_(50)-C_(u)-C_(c) three-parameter or the four-parameter combination G_(c) proposed by ***,the application of this new method in describing the spatial nonuniformity distribution of depositions and predicting the soil hydraulic conductivity was *** research results can provide a reference for the refined representation of PSD curves.

关键词： Grading entropy Particle size distribution curve Refined representation

Thermal Performance of a 4 K High-Frequency Pulse Tube Cryocooler with Different Working Fluids

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Journal of Thermal Science 2024年第4期33卷 1468-1479页

作者： GAO zhaozhao YANG Biao FAN Xiaoyu chen Liubiao WANG Junjie Key Laboratory of Cryogenic Science and Technology Technical Institute of Physics and ChemistryChinese Academy of SciencesBeijing100190China University of Chinese Academy of Sciences Beijing100049China

The high-frequency pulse tube cryocooler(HPTC)represents a promising miniature cryocooling technology due to its compact structure and the absence of low-temperature moving ***,limited to the non-ideal gas effect of4He,the HPTC is hard to obtain high cooling performance in the liquid helium temperature range.3He as the working fluid can effectively improve the cooling performance of the HPTC,but the high cost hinders its wide *** consideration of both cooling performance and cost-effectiveness,this paper explores the feasibility of utilizing^(3)He-^(4)He mixtures as the working fluid for ***,the experimental results of a developed HPTC based4He are *** a total power consumption of 575 W,the lowest temperature of 3.26 K was *** the measured cooling power at 4.2 K was 20.8 *** the theoretical utmost efficiency of the cryocooler was calculated in terms of the thermophysical properties of the working fluids,using ^(3)He-^(4)He mixtures with different compositions as the working *** whole machine modeling of the HPTC was further carried out,and the influence of the working fluids with different components on the structural parameters such as double-inlet and inertance tube,and operating parameters such as pressure and frequency were *** calculated results show that the cooling power is expected to be increased to36 mW and 53 mW if the equimolar ^(3)He-^(4)He mixture and pure ^(3)He are used,respectively.

关键词： high-frequency pulse tube cryocooler ^(3)He-^(4)He mixture liquid helium temperature thermally coupled

Molecular cytogenetic analyses of two new wheat-rye 6RL translocation lines with resistance to wheat powdery mildew

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Tailoring the interactions of heterostructured Ni_(4)N/Ni_(3)ZnC_(0.7)for efficient CO_(2)electroreduction

The Crop Journal 2023年第2期

作者： Shanying Zhu Haonan Du Fuyu Su Jin Wang Qingfeng Meng Tianlei Liu Rui Guo zhaozhao chen Huanhuan Li Wenxuan Liu Pengtao Ma Huagang He

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Journal of Energy Chemistry 2022年第12期75卷 1-7,I0001页

作者： Junjie Wang Zhao Li zhaozhao Zhu Jinxia Jiang Yulan Li Jinju chen Xiaobin Niu Jun Song chen Rui Wu School of Materials and Energy University of Electronic Science and Technology of ChinaChengdu 611731SichuanChina Institute for Advanced Study Chengdu UniversityChengdu 610106SichuanChina Chongqing Medical and Pharmaceutical College Chongqing 401331China

Electrocatalytic CO_(2)reduction into CO has been regarded as one of the most promising strategies for sustainable carbon cycles at ambient conditions,but still faces challenges to achieve both high product selectivity and large current ***,we report a Ni_(4)N/Ni_(3)ZnC_(0.7)heterostructured electrocatalyst embedded in accordion-like N-doped carbon through a simple molten salt annealing *** optimal Ni_(4)N/Ni_(3)ZnC_(0.7)electrocatalyst achieves a high CO Faraday efficiency of 92.3%and a large total current density of-15.8 m A cm^(-2)at-0.8 V versus reversible hydrogen electrode,together with a long-term stability about 30 *** functional theory results reveal that the energy barrier for*COOH intermediate formation largely decreased on Ni_(4)N/Ni_(3)ZnC_(0.7)heterostructure compared with Ni_(4)N and Ni_(3)ZnC_(0.7),thus giving rise to enhanced activity and selectivity.A rechargeable Zn-CO_(2)battery is further assembled with Ni_(4)N/Ni_(3)ZnC_(0.7)catalyst as the cathode,which shows a maximum power density of 0.85 mW cm^(-2)and excellent stability.

关键词： Interface engineering Ni_(4)N/Ni_(3)ZnC_(0.7) Accordion-like structure CO_(2)electroreduction

Robust ultrathin and transparent AZO/Ag-SnOx/AZO on polyimide substrate for flexible thin film heater with temperature over 400℃

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Journal of Materials Science & Technology 2020年第13期47卷 156-162页

作者： zhaozhao Wang Jia Li Junjun Xu Jinhua Huang Ye Yang Ruiqin Tan Guofei chen Xingzhong Fang Yue Zhao Weijie Song School of Materials Science and Engineering Shanghai UniversityShanghai 200444China Ningbo Institute of Materials Technology and Engineering Chinese Academy of SciencesNingbo 315201China Faculty of Information and Computer Science Ningbo UniversityNingbo 315211China Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering Changzhou 213164China

We developed flexible and transparent thin film heaters(TFHs)with a structure of AZO/AgSnOx/AZO/polyimide(PI)which exhibited superior stability under operational *** and robust doped silver(Ag)films were produced by introducing a small amount of SnOx during the sputtering *** AZO/Ag-SnOx/AZO stacks showed the best figure of merit value of 139.9,which was higher than that of ITO counterpart(25.5)with the same *** addition,it exhibited excellent durability,which showed unaffected optical and electrical properties under the heat treatment of 500℃for 30 min in air,highly-accelerated tempe ratu re and humidity stress test(HAST)at 121℃and 97%RH for 36 h,10,000 times of scratching and 1500 times of inner and outer bending ***,the TFHs based on AZO/Ag-SnOx/AZO/PI achieved a high temperature of 438.8℃with response time in several seconds,which outperformed most previous *** robust high-temperature TFHs in this research hold promising commercial applications in flexible and high temperature occasions.

关键词： Ultrathin Ag films SnOx Doping Durability High temperature thin film heater

First high-frequency pulse tube cryocooler down to 2.5 K and its promising application in China’s deep space exploration

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Science China(Technological Sciences) 2023年第8期66卷 2454-2456页

作者： YANG Biao GAO zhaozhao chen LiuBiao LIU SiXue ZHOU Qiang GUO Jia CUI chen ZHU WenXiu JIN Hai ZHOU Yuan WANG JunJie Chinese Academy of Sciences Key Laboratory of Technology on Space Energy ConversionTechnical Institute of Physics and ChemistryBeijing 100190China Beijing Key Laboratory of Space Thermal Control Technology Beijing Institute of Spacecraft System EngineeringChina Academy of Space TechnologyBeijing 100094China Department of Astronomy Tsinghua UniversityBeijing 100084China Chinese Academy of Sciences Key Laboratory of CryogenicsTechnical Institute of Physics and ChemistryBeijing 100190China University of Chinese Academy of Sciences Beijing 100049China

From the Moon,Mars,to the central body of the solar system,the Sun,and even exoplanets,deep space exploration[1]has promoted research on the formation and evolution of the solar system and the universe,especially,in terms of tracing life’s *** inherent characteristic of high energy flux density determines that space detectors cannot fully dissipate heat through radiative cooling under the cosmic microwave background radiation temperature of 2.7 K.

关键词： planet universe microwave

Ultrasmall NiS_(2)Nanocrystals Embedded in Ordered Macroporous Graphenic Carbon Matrix for Efficiently Pseudocapacitive Sodium Storage

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Transactions of Tianjin University 2023年第2期29卷 89-100页

作者： zhaozhao Liu Jiang Wang Ran Bi Pinyi Zhao Mengqian Wu Xinyu Liu Likun Yin chengyang Wang Mingming chen Kemeng Ji Key Laboratory for Green Chemical Technology of Ministry of Education School of Chemical Engineering and TechnologyTianjin UniversityTianjin 300350China Comprehensive Energy Research Center Science and Technology Research InstituteChina Three Gorges CorporationBeijing 100038China Institute for Materials Discovery University College LondonLondon WC1E 7JEUK Department of Chemistry University College LondonLondon WC1H 0AJUK Department of Materials Science Graduate School of EngineeringTohoku UniversitySendai 980-8579Japan

Sodium-ion hybrid capacitor(SIHC)is one of the most promising alternatives for large-scale energy storage due to its high energy and power densities,natural abundance,and low ***,overcoming the imbalance between slow Na^(+)reaction kinetics of battery-type anodes and rapid ion adsorption/desorption of capacitive cathodes is a significant ***,we propose the high-rate-performance NiS_(2)@OMGC anode material composed of monodispersed NiS_(2) nanocrystals(8.8±1.7 nm in size)and N,S-co-doped graphenic carbon(GC).The NiS_(2)@OMGC material has a three-dimensionally ordered macroporous(3DOM)morphology,and numerous NiS_(2) nanocrystals are uniformly embedded in GC,forming a core-shell structure in the local *** NiS_(2) nanocrystals and their nano-microstructure demonstrate high pseudocapacitive Na-storage capability and thus excellent rate performance(355.7 mAh/g at 20.0 A/g).A SIHC device fabricated using NiS_(2)@OMGC and commercial activated carbon(AC)cathode exhibits ultrahigh energy densities(197.4 Wh/kg at 398.8 W/kg)and power densities(43.9 kW/kg at 41.3 Wh/kg),together with a long life *** outcome exemplifies the rational architecture and composition design of this type of anode *** strategy can be extended to the design and synthesis of a wide range of high-performance electrode materials for energy storage applications.

关键词： Sodium-ion battery Sodium-ion hybrid capacitor Three-dimensionally ordered macroporous structure Graphenic carbon NiS_(2)nanocrystals