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开放式研究生联合培养基地的制度构建与范例

教育教学论坛 2024年第7期 45-48页

作者：魏兴琥黄新雨胡亚杰佛山科学技术学院研究生学院广东佛山528000

开放式研究生联合培养基地是深度融合了政府、高校和企业的教育、人才、产业等资源优势,形成的政、产、学、研、用高度协同和开放服务的研究生联合培养平台。以广东省研究生联合培养基地(佛山)为例,提出了开放式研究生联合培养基地的概... 详细信息

开放式研究生联合培养基地是深度融合了政府、高校和企业的教育、人才、产业等资源优势,形成的政、产、学、研、用高度协同和开放服务的研究生联合培养平台。以广东省研究生联合培养基地(佛山)为例,提出了开放式研究生联合培养基地的概念与内涵,探讨了基地建设与运行所需的制度框架及制度建设,包括政府的资金、人员、研究生指标等支持政策;基地运行、经费使用、信息化、导师、学生等各项管理制度;质量保障所需的监督检查,学生、企业、导师分类考核、评价制度,优秀学生、导师评选办法,企业示范点遴选与动态调整制度;企业、高校制定的课程、实践、论文、成果等联合培养相关制度。为国内联合培养基地标准化、规范化建设提供借鉴。

关键词：研究生联合培养实践基地制度

基于K-means聚类算法的负荷峰谷时段划分

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电气开关 2024年第4期62卷 29-31页

作者：李伟龙张晓晴胡雅洁潘旭新刘亚男张师国网河南省电力公司洛阳供电公司河南洛阳471000 东北电力大学电气工程学院吉林吉林132012

合理制定分时电价策略有利于削峰填谷,有利于电网的安全稳定、经济地运行,因此负荷的峰谷时段划分是一项重要的工作。首先分析了不同日负荷波动特点,研究了K-means算法的原理,基于K-means研究了负荷峰谷时段划分方法。通过分析可知,不... 详细信息

合理制定分时电价策略有利于削峰填谷,有利于电网的安全稳定、经济地运行,因此负荷的峰谷时段划分是一项重要的工作。首先分析了不同日负荷波动特点,研究了K-means算法的原理,基于K-means研究了负荷峰谷时段划分方法。通过分析可知,不同季节的划分结果不同,制定分时电价时应该考虑季节因素。

关键词：聚类算法需求侧响应峰谷负荷季节因素

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基于SVM的变压器故障诊断研究

电气开关 2024年第4期62卷 35-37,41页

作者：胡雅洁潘旭新刘亚男李伟龙张晓晴张师国网河南省电力公司洛阳供电公司河南洛阳471000 东北电力大学电气工程学院吉林吉林132012

变压器油色谱可以反映出变压器的运行状态,可用于变压器的故障诊断,以保障变压器的安全运行。研究变压器故障分类和SVM原理,基于SVM建立了变压器故障诊断模型,采用实际的油色谱数据进行验证,结果表明,此方法可以准确诊断变压器故障。

关键词：支持向量机油色谱变压器故障诊断

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基于BP神经网络的变压器油色谱分析

电气开关 2024年第3期62卷 8-11页

作者：张晓晴胡雅洁潘旭新刘亚男李伟龙张师国网河南省电力公司洛阳供电公司河南洛阳471000 东北电力大学电气工程学院吉林吉林132012

研究了变压器气体产生原理和BP神经网络的原理,基于BP神经网络建立了变压器故障诊断模型,采用实际的油色谱数据进行分析,结果表明,该方法可以准确诊断变压器故障。

关键词： BP神经网络油色谱变压器故障诊断

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悬浮隧道模型试验数据同步采集方法研究

中国港湾建设 2024年第1期44卷 7-12页

作者：辛全波王瑞玺胡亚杰阳志文毕金强交通运输部天津水运工程科学研究所天津300456 港口水工建筑技术国家工程研究中心天津300456

针对悬浮隧道模型试验数据同步采集问题,从万兆光纤组网、数据采集同步控制、数据实时存取与智能判断3个方面,设计了一套高精度试验数据同步采集系统。该系统设计了万兆光纤组网方案提高网络传输效率和稳定性,提出基于NTP的时间同步采... 详细信息

针对悬浮隧道模型试验数据同步采集问题,从万兆光纤组网、数据采集同步控制、数据实时存取与智能判断3个方面,设计了一套高精度试验数据同步采集系统。该系统设计了万兆光纤组网方案提高网络传输效率和稳定性,提出基于NTP的时间同步采集控制和偏差估计方法,解决了高精度模型试验时间同轴问题;设计了四库分离的数据实时存取与智能化判断策略,实现特定工况条件下的特征数据自动提取。结果表明,该系统满足悬浮隧道模型试验精准控制的时间精度要求,采集的试验数据符合试验可重复、可再现的原则。

关键词：悬浮隧道同步采集 NTP 智能判断

Effects of sowing date and ecological points on yield and the temperature and radiation resources of semi-winter wheat

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Journal of Integrative Agriculture 2023年第5期22卷 1366-1380页

作者： ZHANG Zhen-zhen CHENG Shuang FAN Peng ZHOU Nian-bing XING Zhi-peng hu ya-jie XU Fang-fu GUO Bao-wei WEI Hai-yan ZHANG Hong-cheng Jiangsu Key Laboratory of Crop Cultivation and Physiology/Innovation Center of Rice Cultivation Technology in yangtze Valley Ministry of Agriculture and Rural Affairs/Co-Innovation Center for Modern Production Technology of Grain CropsYangzhou UniversityYangzhou 225009P.R.China

Exploring the effects of sowing date and ecological points on the yield of semi-winter wheat is of great *** study aims to reveal the effects of sowing date and ecological points on the climate resources associated with wheat yield in the Rice–Wheat Rotation *** six sowing dates,the experiments were carried out in Donghai and Jianhu counties,Jiangsu Province,China using two semi-winter wheat varieties as the objects of this *** basic seedlings of the first sowing date (S1) were planted at 300×10^(4)plants ha^(-1),which was increased by 10%for each of the delayed sowing dates (S2–S6).The results showed that the delay of sowing date decreased the number of days,the effective accumulated temperature and the cumulative solar radiation in the whole growth *** yields of S1 were higher than those of S2 to S6 by 0.22–0.31,0.5–0.78,0.86–0.98,1.14–1.38,and 1.36–1.59 t ha^(–1),*** a given sowing date,the growth days increased as the ecological point was moved north,while both mean daily temperature and effective accumulative temperature decreased,but the cumulative radiation *** a result,the yields at Donghai County were 0.01–0.39 t ha–1lower than those of Jianhu County for the six sowing *** effective accumulative temperature and cumulative radiation both had significant positive correlations with *** average temperature was significantly negatively correlated with the *** decrease in grain yield was mainly due to the declines in grains per spike and 1 000-grain weight caused by the increase in the daily temperature and the decrease in the effective accumulative temperature.

关键词： wheat yield sowing date ecological point

Increasing the appropriate seedling density for higher yield in dry direct-seeded rice sown by a multifunctional seeder after wheatstraw return

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Journal of Integrative Agriculture 2023年第2期22卷 400-416页

作者： TIAN Jin-yu LI Shao-ping CHENG Shuang LIU Qiu-yuan ZHOU Lei TAO Yu XING Zhi-peng hu ya-jie GUO Bao-wei WEI Hai-yan ZHANG Hong-cheng Jiangsu Key Laboratory of Crop Cultivation and Physiology/Innovation Center of Rice Cultivation Technology in yangtze Valley Ministry of Agriculture and Rural Affairs/Co-Innovation Center for Modern Production Technology of Grain CropsYangzhou UniversityYangzhou 225009P.R.China Agricultural College Xinyang Agriculture and Forestry UniversityXinyang 464000P.R.China

Dry direct-seeded rice(DDR) sown using a multifunctional seeder that performs synchronous rotary tillage and sowing has received increased attention because it is highly efficient,relatively cheap,and environmentally ***,this method of rice production may produce lower yields in a rice–wheat rotation system because of its poor seedling *** address this problem,we performed field experiments to determine the rice yield at five seedling density levels(B1,B2,B3,B4,and B5=100,190,280,370,and 460 seedlings m-2,respectively) and clarify the physiological basis of yield *** selected a representative high-quality rice variety and a multifunctional seeder that used in a typical rice–wheat rotation area in 2016 and *** proportion of main stem panicle increased with increasing seedling *** was a parabolic relationship between yield and seedling density,and the maximum yield(9.34-9.47 t ha-1) was obtained under *** maximum yield was associated with a higher total spikelet number m-2 and greater biomass accumulation from heading to *** higher total spikelet number m-2 under B3 was attributed to an increase in panicle number m-2 compared with B1 and *** the panicle numbers also increased under B4 and B5,these increases were insufficient to compensate for the reduced spikelet numbers per *** biomass,smaller leaf area,and lower N uptake per plant from the stem elongation stage to the heading stage were partially responsible for the smaller panicle size at higher seedling density levels such as *** higher biomass accumulation under B3 was ascribed to the increases in the photosynthetic rate of the top three leaves m-2 of land,crop growth rate,net assimilation rate,and leaf area ***,the B3 rice population was marked by a higher grain–leaf ratio,as well as a lower export ratio and transport ratio of biomass per stem-sheath.A quadratic function predicted that 260-290 seedlings m-2 is the op

关键词： seedling density dry direct-seeded rice sown by a multifunctional seeder rice–wheat rotation system yield biomass photosynthetic capacity

Antibodies elicited by Newcastle disease virus-vectored H7N9 avian influenza vaccine are functional in activating the complement system

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Journal of Integrative Agriculture 2024年第6期23卷 2052-2064页

作者： Zenglei hu ya huang Jiao hu Xiaoquan Wang Shunlin hu Xiufan Liu Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China Yangzhou UniversityYangzhou 225009China Animal Infectious Disease Laboratory School of Veterinary MedicineYangzhou UniversityYangzhou 225009China Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses Yangzhou UniversityYangzhou 225009China

H7N9 subtype avian influenza virus poses a great challenge for poultry *** disease virus(NDV)-vectored H7N9 avian influenza vaccines(NDV_(vec)H7N9)are effective in disease control because they are protective and allow mass *** note,these vaccines elicit undetectable H7N9-specific hemagglutination-inhibition(HI)but high IgG antibodies in ***,the molecular basis and protective mechanism underlying this particular antibody immunity remain ***,immunization with an NDV_(vec)H7N9 induced low anti-H7N9 HI and virus neutralization titers but high levels of hemagglutinin(HA)-binding IgG antibodies in *** residues(S150,G151 and S152)in HA of H7N9 virus were identified as the dominant epitopes recognized by the NDV_(vec)H7N9 immune *** transferred NDV_(vec)H7N9 immune serum conferred complete protection against H7N9 virus infection in *** NDV_(vec)H7N9 immune serum can mediate a potent lysis of HA-expressing and H7N9 virus-infected cells and significantly suppress H7N9 virus *** activities of the serum were significantly impaired after heat-inactivation or treatment with complement inhibitor,suggesting the engagement of the complement ***,mutations in the 150-SGS-152 sites in HA resulted in significant reductions in cell lysis and virus neutralization mediated by the NDV_(vec)H7N9 immune serum,indicating the requirement of antibody-antigen binding for complement ***,antibodies induced by the NDV_(vec)H7N9 can activate antibody-dependent complement-mediated lysis of H7N9 virus-infected cells and complement-mediated neutralization of H7N9 *** findings unveiled a novel role of the complement in protection conferred by the NDV_(vec)H7N9,highlighting a potential benefit of engaging the complement system in H7N9 vaccine design.

关键词： H7N9 subtype avian influenza virus NDV vector vaccine antibody immunity complement protection

Parametric resonance of axially functionally graded pipes conveying pulsating fluid

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Applied Mathematics and Mechanics(English Edition) 2024年第2期45卷 239-260页

作者： jie JING Xiaoye MAO hu DING Liqun CHEN Shanghai Key Laboratory of Mechanics in Energy Engineering Shanghai Frontier Science Center of MechanoinformaticsShanghai Institute of Applied Mathematics and MechanicsSchool of Mechanics and Engineering ScienceShanghai UniversityShanghai 200444China Shanghai Institute of Aircraft Mechanics and Control Shanghai 200092China

Based on the generalized Hamilton's principle,the nonlinear governing equation of an axially functionally graded(AFG)pipe is *** non-trivial equilibrium configuration is superposed by the modal functions of a simply supported *** the direct multi-scale method,the response and stability boundary to the pulsating fluid velocity are solved analytically and verified by the differential quadrature element method(DQEM).The influence of Young's modulus gradient on the parametric resonance is investigated in the subcritical and supercritical *** general,the pipe in the supercritical region is more sensitive to the pulsating *** nonlinearity changes from hard to soft,and the non-trivial equilibrium configuration introduces more frequency components to the ***,the increasing Young's modulus gradient improves the critical pulsating flow velocity of the parametric resonance,and further enhances the stability of the *** addition,when the temperature increases along the axial direction,reducing the gradient parameter can enhance the response *** work further complements the theoretical analysis of pipes conveying pulsating fluid.

关键词： pipe conveying fluid axially functionally graded supercritical resonance multi-scale method parametric resonance