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微处理机 1998年第2期19卷 53-54页

作者：方勇纯王宁颜钢锋浙江大学工业控制技术国家重点实验室杭州310027 浙江大学电机系杭州310027

描述了以8031单片机为控制器件，进行电脑底封制袋机控制系统的软硬件设计，实现了高精度和高效率的定长控制。

关键词：单片机定长控制制袋机工业控制

“雨课堂+工作坊”的参与式教学在急诊实习教学中的应用

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中国继续医学教育 2024年第12期16卷 66-71页

作者：段永春文静李芳赵群远张笑嫡娥姆舒嵩华陈安宝昆明医科大学第二附属医院急诊内科云南昆明650101

目的探讨基于“雨课堂+工作坊”的参与式教学在急诊临床实习教学中的实践与成效。方法选取2021年12月—2022年12月昆明医科大学109名5年制本科临床实习生为研究对象,其均在急诊内科实习1个月。根据随机投硬币将其分为对照组和观察组,对... 详细信息

目的探讨基于“雨课堂+工作坊”的参与式教学在急诊临床实习教学中的实践与成效。方法选取2021年12月—2022年12月昆明医科大学109名5年制本科临床实习生为研究对象,其均在急诊内科实习1个月。根据随机投硬币将其分为对照组和观察组,对照组51名,观察组58名。观察组采用“雨课堂+工作坊”的参与式教学模式,对照组采用传统的临床实习教学模式。比较2组实习生培训后理论成绩和出科临床技能成绩,教学期间临床技能考核成绩不及格比例,教学期间综合能力调查满意人数占比,采用急诊内科自制的综合能力评价表评估该教学方式对实习生的实习情况。结果观察组理论成绩和临床技能成绩分别为90.00(86.75,93.25)分、85.50(79.00,89.00)分,高于对照组的81.00(78.00,84.00)分、79.00(75.00,81.00)分,差异有统计学意义(P0.05);观察组理论知识掌握能力、各项操作能力、沟通交流能力、临床思维能力满意人数占比高于对照组,差异有统计学意义(P0.05);问卷调查结果显示,“雨课堂+工作坊”的参与式教学有利于提高临床教学质量和效果,实习生对该教学方法持肯定态度。结论在带教急诊内科5年制本科实习生中,“雨课堂+工作坊”的参与式教学带教模式可显著提高实习生的实习成绩和综合素质能力,也有利于激发实习生的学习兴趣、提高学习效率。

关键词：雨课堂工作坊参与式教学急诊医学实习教学本科生

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综合护理在鼻咽癌放疗患者中的应用

中华灾害救援医学 2017年第5期5卷 262-265页

作者：江志兰房永纯李天添刘雪梅吉林省肿瘤医院放疗一科长春130012

目的探讨综合护理对鼻咽癌放疗患者的应用效果。方法选取2014-06至2016-06吉林省某医院收治的鼻咽癌放化疗患者180例临床资料进行回顾性分析,分为对照组及观察组各90例,其中对照组给予常规护理,观察组给予综合护理,主要观察指标为焦虑... 详细信息

目的探讨综合护理对鼻咽癌放疗患者的应用效果。方法选取2014-06至2016-06吉林省某医院收治的鼻咽癌放化疗患者180例临床资料进行回顾性分析,分为对照组及观察组各90例,其中对照组给予常规护理,观察组给予综合护理,主要观察指标为焦虑自评量表评分(self-rating anxiety scale,SAS)、抑郁自评量表评分(self-rating depression scale,SDS)及生活质量评分。结果护理后组内比较,两组SAS及SDS评分均低于护理前;组间比较,观察组SAS及SDS评分明显低于对照组,差异均有统计学意义(P<0.05);护理后组内比较,两组生活质量评分均高于护理前,组间比较,观察组生活质量评分高于对照组,差异有统计学意义(P<0.05)。结论对鼻咽癌放疗患者进行综合护理有助于改善患者焦虑、抑郁状态,有效提高患者生活舒适度,值得临床广泛推广。

关键词：综合护理鼻咽癌生活质量

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直流钻机能耗制动系统研究

电气传动 2016年第12期46卷 16-18页

作者：何小英朱奇先田斌方永春大型电气传动系统与装备技术国家重点实验室甘肃天水741020 西部钻探工程有限公司新疆乌鲁木齐830011 西部钻探克拉玛依钻井公司新疆克拉玛依830092

直流钻机的能耗制动为脱开滚筒后通过SCR系统控制电机,实现在最短的时间内将转动速度降低到安全操作允许的范围以内,与变频钻机的名称虽同但区别很大。以ZJ70D钻机为例,叙述了其控制流程、工作过程、常见回路连接、主要单元及其配置中... 详细信息

直流钻机的能耗制动为脱开滚筒后通过SCR系统控制电机,实现在最短的时间内将转动速度降低到安全操作允许的范围以内,与变频钻机的名称虽同但区别很大。以ZJ70D钻机为例,叙述了其控制流程、工作过程、常见回路连接、主要单元及其配置中电气器件的参数计算方法。同时说明通过对现代司钻的操作程序要求,可以达到同样目的而不必配置该功能。

关键词：直流钻机能耗制动控制流程配置要点

Vesicle-shaped ZIF-8 shell shielded in 3D carbon cloth for uniform nucleation and growth towards long-life lithium metal anode

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Journal of Energy Chemistry 2021年第3期30卷 105-110页

作者： Yuting fang Wenlong Cai Shanshan Zhu Kangli Xu Maogen Zhu Guannan Xiao yongchun Zhu Hefei National Laboratory for Physical Sciences at Microscale and Department of Chemistry University of Science and Technology of ChinaHefei 230026AnhuiChina

Lithium metal has aroused extensive research interests as the anode for next-generation rechargeable ***,the well-known dendritic Li growth and consequent safety issues still impair the long-term cycling ***,a hybrid structure composed of 3 D carbon cloth and vesicleshaped hollow ZIF-8 modification shell(HZS@CC)was prepared as a smart host for guiding uniform Li *** long-range interconnected 3 D carbon fiber network enables the reduced local current density with homogeneous electrons ***,abundant surface polar groups and the ultrastructure on ZIF-8 particles effectively guide a well-distributed Li-ions flow to promote the uniform Li nucleation and *** a result,stable Li plating/stripping for 2000 h with a low overpotential(≈15 mV)at 1 mA cm^(-2) were achieved in symmetric *** with LiFePO_(4) cathode,the full cell delivered long life over 1200 cycles at 6 *** research demonstrated that a homogenization guiding of Li-ions is of great importance to better make use of the structural advantage of 3 D hosts and achieve improved electrochemical performance.

关键词： 3D Li anode MOF ultrastructure Li-ions guiding Uniform deposition Long-life

石油钻机电控(SCR/VFD)系统的短路计算

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电气传动 2016年第5期46卷 81-85页

作者：朱奇先田斌方永春杨砚杭大型电气传动系统与装备技术国家重点实验室甘肃天水741020 西部钻探工程有限公司新疆乌鲁木齐830011 西部钻探克拉玛依钻井公司新疆克拉玛依830092 中国石油渤海钻探第四钻井公司河北任丘062550

介绍了短路计算在石油钻机电控(SCR/VFD)系统中的重要性以及计算要求,以常规配置用于海上钻井船或平台的ZJ70DB电控系统为例,叙述了短路计算的关键因素、各器件阻抗的确定方法,介绍了电缆电感的算法以及影响其大小的因素;按照"品""一"... 详细信息

介绍了短路计算在石油钻机电控(SCR/VFD)系统中的重要性以及计算要求,以常规配置用于海上钻井船或平台的ZJ70DB电控系统为例,叙述了短路计算的关键因素、各器件阻抗的确定方法,介绍了电缆电感的算法以及影响其大小的因素;按照"品""一"型常规布法进行了两种情况下电感的计算以及各短路点短路参数的计算。

关键词：石油钻机短路参数电缆电感短路电流

Defect engineering on carbon black for accelerated Li-S chemistry

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Nano Research 2020年第12期13卷 3315-3320页

作者： Wenlong Cai Yingze Song Yuting fang Weiwei Wang Songlin Yu Huaisheng Ao yongchun Zhu Yitai Qian Hefei National Laboratory for Physical Sciences at Microscale and Department of Chemistry University of Science and Technology of ChinaHefei230026China State Key Laboratory of Environment-Friendly Energy Materials School of Materials Science and EngineeringSouthwest University of Science and TechnologyMianyang621010China

Rationally designing sulfur hosts with the functions of confining lithium polysulfides(LiPSs)and promoting sulfur reaction kinetics is critically important to the real implementation of lithium-sulfur(Li-S)***,the defect-rich carbon black(CB)as sulfur host was successfully constructed through a rationally regulated defect ***-obtained defect-rich CB can act as an active electrocatalyst to enable the sulfur redox reaction kinetics,which could be regarded as effective inhibitor to alleviate the LiPS *** expected,the cathode consisting of sulfur and defect-rich CB presents a high rate capacity of 783.8 mA·h·g^−1 at 4 C and a low capacity decay of only 0.07% per cycle at 2 C over 500 cycles,showing favorable electrochemical *** strategy in this investigation paves a promising way to the design of active electrocatalysts for realizing commercially viable Li-S batteries.

关键词： Li-S chemistry defect engineering carbon black sulfur reaction kinetics

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基坑支护中钻孔灌注桩对止水帷幕影响的研究

山西建筑 2016年第30期42卷 76-77页

作者：方永春金伟江浙江省三建建设集团有限公司浙江杭州310016

介绍了源汇法的基本原理,并利用源汇法,分析了钻孔桩施工引起止水帷幕结构的应变规律,从而判断钻孔桩施工对止水帷幕的影响,对类似工程施工有一定的借鉴意义。

关键词：源汇法钻孔桩止水帷幕位移

High-performance fiber-integrated multifunctional graphene-optoelectronic device with photoelectric detection and optic-phase modulation

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Photonics Research 2020年第12期8卷 1949-1957页

作者： LINQING ZHUO PENGPENG FAN SHUANG ZHANG YUANSONG ZHAN YANMEI LINYU ZHANG DONGQUAN LI ZHEN CHE WENGUO ZHU HUADAN ZHENG JIEYUAN TANG JUN ZHANG yongchun ZHONG WENXIAO fang GUOGUANG LU JIANHUI YU ZHE CHEN Key Laboratory of Optoelectronic Information and Sensing Technologies of Guangdong Higher Education Institutes Department of Optoelectronic EngineeringJinan UniversityGuangzhou 510632China Engineering Research Center on Visible Light Communication of Guangdong Province Department of Optoelectronic EngineeringJinan UniversityGuangzhou 510632China Key Laboratory of Visible Light Communications of Guangzhou Jinan UniversityGuangzhou 510632China Science and Technology on Reliability Physics and Application of Electronic Component Laboratory China Electronic Product Reliability and Environmental Testing Research InstituteGuangzhou 510610China

In graphene-based optoelectronic devices,the ultraweak interaction between a light and monolayer graphene leads to low optical absorption and low responsivity for the photodetectors and relative high half-wave voltage for the phase ***,an integration of the monolayer graphene onto the side-polished optical fiber is demonstrated,which is capable of providing a cost-effective strategy to enhance the light–graphene interaction,allowing us to obtain a highly efficient optical absorption in graphene and achieve multifunctions:photodetection and optical phase *** a photodetector,the device has ultrahigh responsivity(1.5×10^(7) A/W)and high external quantum efficiency(>1.2×10^(9)%).Additionally,the polybutadiene/polymethyl methacrylate(PMMA)film on the graphene can render the device an optical phase modulator through the large thermo-optic effect of the *** a phase modulator,the device has a relatively low half-wave voltage of 3 V with a 16 dB extinction ratio in Mach–Zehnder interferometer configuration.

关键词： optoelectronic fiber modulator

A large-scale outdoor atmospheric simulation smog chamber for studying atmospheric photochemical processes:Characterization and preliminary application

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Journal of Environmental Sciences 2021年第4期33卷 185-197页

作者： Junling Li Hong Li Xuezhong Wang Weigang Wang Maofa Ge Hao Zhang Xin Zhang Kun Li Yan Chen Zhenhai Wu Fahe Chai Fan Meng Yujing Mu Abdelwahid Mellouki fang Bi Yujie Zhang Lingyan Wu yongchun Liu State Key Laboratory of Environmental Criteria and Risk Assessment Chinese Research Academy of Environmental SciencesBeijing 100012China Key Laboratory of Atmospheric Chemistry China Meteorological AdministrationBeijing 100081China State Key Laboratory for Structural Chemistry of Unstable and Stable Species Beijing National Laboratory for Molecular Sciences(BNLMS)CAS Research/Education Center for Excellence in Molecular SciencesInstitute of ChemistryChinese Academy of SciencesBeijing 100190China Laboratory of Atmospheric Chemistry Paul Scherrer Institute(PSI)5232 VilligenSwitzerland Research Centre for Eco-Environmental Sciences Chinese Academy of SciencesBeijing 100085China Institut de Combustion Aérothermique Réactivitéet EnvironnementCentre National de la Recherche Scientifique(ICARE-CNRS)Observatoire des Sciences de l’Univers en région Centre(OSUC)CS 5006045071 cedex02 OrléansFrance Beijing Advanced Innovation Center for Soft Matter Science and Engineering Beijing University of Chemical TechnologyBeijing 100029China

Understanding the formation mechanisms of secondary air pollution is very important for the formulation of air pollution control countermeasures in ***,a large-scale outdoor atmospheric simulation smog chamber was constructed at Chinese Research Academy of Environmental Sciences(the CRAES Chamber),which was designed for simulating the atmospheric photochemical processes under the conditions close to the real atmospheric *** chamber consisted of a 56-m^(3) fluorinated ethylene propylene(FEP) Teflon film reactor,an electrically-driven stainless steel alloy shield,an auxiliary system,and multiple detection *** performing a series of characterization experiments,we obtained basic parameters of the CRAES chamber,such as the mixing ability,the background reactivity,and the wall loss rates of gaseous compounds(propene,NO,NO_(2),ozone) and aerosols(ammonium sulfate).Oxidation experiments were also performed to study the formation of ozone and secondary organic aerosol(SOA),including α-pinene ozonolysis,propene and 1,3,5-trimethylbenzene *** and seed effects on the vapor wall loss and SOA yields were obtained in this work:higher temperature and the presence of seed could reduce the vapor wall loss;SOA yield was found to depend inversely on temperature,and the presence of seed could increase SOA *** seed was suggested to be used in the chamber to reduce the interaction between the gas phase and chamber *** results above showed that the CRAES chamber was reliable and could meet the demands for investigating tropospheric chemistry.

关键词： Outdoor smog chamber Characterization experiments Photo-oxidation reactions Secondary organic aerosol