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石河子大学学报（自然科学版） 1991年第3期 24-28页

作者：朱和明许裕芳王志刚石河子农学院农学系

本文论述了干旱地区不同土壤类型,温度和水分以及施用有机肥和无机肥对土壤微生物类型和数量消长的影响.

关键词：微生物区系土壤生态环境干旱地区

Adult-born neurons in critical period maintain hippocampal seizures via local aberrant excitatory circuits

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Signal Transduction and Targeted Therapy 2023年第7期8卷 3427-3442页

作者： Liying Chen Yingwei xu heming Cheng Zhongxia Li Nanxi Lai Menghan Li Yeping Ruan Yang Zheng Fan Fei Cenglin xu Jiao Ma Shuang Wang Yan Gu Feng Han Zhong Chen Yi Wang Institute of Pharmacology&Toxicology College of Pharmaceutical SciencesSchool of MedicineZhejiang UniversityHangzhouChina Key Laboratory of Neuropharmacology and Translational Medicine of Zhejiang Province School of Pharmaceutical SciencesZhejiang Chinese Medical UniversityHangzhouChina Zhejiang Rehabilitation Medical Center Department The Third Affiliated HospitalZhejiang Chinese Medical UniversityHangzhouChina Key Laboratory of Cardiovascular&Cerebrovascular Medicine Drug Target and Drug Discovery CenterSchool of PharmacyNanjing Medical UniversityNanjingChina

Temporal lobe epilepsy(TLE),one common type of medically refractory epilepsy,is accompanied with altered adult-born dentate granule cells(abDGCs).However,the causal role of abDGCs in recurrent seizures of TLE is not fully ***,taking advantage of optogenetic and chemogenetic tools to selectively manipulate abDGCs in a reversible manner.

关键词： epilepsy seizures maintain

Heterogeneous Microstructure-Induced Mechanical Responses in Various Sub-Zones of EH420 Shipbuilding Steel Welded Joint Under High Heat Input Electro-Gas Welding

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Acta Metallurgica Sinica(English Letters) 2021年第10期34卷 1427-1433页

作者： xu Xie Tan Zhao heming Zhao Song Li Cong Wang School of Metallurgy Northeastern UniversityShenyang 110819China State Key Laboratory of Metal Material for Marine Equipment and Application Angang Steel Co.Ltd.Anshan 114021China Minmetals Yingkou Medium Plate Co. Ltd.Yingkou 115005China Nanjing Steel Co. Ltd.Nanjing 210035China State Key Laboratory of Rolling and Automation Northeastern UniversityShenyang 110819China

Heterogeneous microstructure-induced mechanical responses in EH420 shipbuilding steel welded joint by electro-gas welding processed have been systematically studied by scanning electron microscopy,electron backscatter diffraction and mechanical *** with the coarse-grained heat-affected zone(CGHAZ),the weld metal presents higher toughness(129.3 J vs.37.3 J)as it contains a large number of acicular ferrites with high-angle grain boundaries(frequency 79.2%)and special grain boundary∑3(frequency 55.3%).Moreover,coarse austenite grains in CGHAZ and slender martensite–austenite constituents between bainite laths may likely facilitate crack *** ferrites and tempered pearlites formed at the junction of the fine-grained heat-affected zone and the intercritical heat-affected zone induced a softened zone with an average hardness of 185 HV0.5,which is the main reason for the occurrence of tensile fracture.

关键词： Heterogeneous microstructure Mechanical properties Electro-gas welding High heat input Shipbuilding steel

Theoretical studies on new potential high energy density compounds (HEDCs) adamantyl nitrates from gas to solid

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Science China Chemistry 2008年第5期51卷 427-439页

作者： xu XiaoJuan ZHU WeiHua GONG xueDong XIAO heming Department of Chemistry Nanjing University of Science and TechnologyNanjing 210094China Department of Chemistry Yancheng Teacher’s CollegeYancheng 224002China

A series of adamantyl nitrates have been theoretically studied from gas to solid to search for new po-tential high energy density compounds (HEDCs). The heats of formation (HOFs) for the 26 title com-pounds were calculated by designing isodesmic reactions at the B3LYP/6-31G level. It was found that the HOFs of the 26 isomers with the same number of —ONO2 groups (n) are not correlated well with the corresponding substituted positions. According to the obtained heats of detonation (Q),detonation velocities (D),and detonation pressures (P) using the Kamlet-Jacobs equations,it was found that when n=7～8,the adamantyl nitrates meet the criterion as an HEDC. The calculations on bond dissociation energies of O—N (EO—N) showed that the adamantyl nitrates with gemi —ONO2 always have the worst stability among the isomers,and all the adamantyl nitrates with gemi —ONO2 have similar stability. Due to the complexity of their structures,values of EO—N do not decrease with the increase of the substituent number n obviously,and the stability of adamantyl nitrates is not determined by only one structural parameter. Considering the stability requirement,only 1,2,4,6,8,9,10-adamantyl heptanitrate is recom-mended as a feasible HEDC. Molecular packing searching for 1,2,4,6,8,9,10-adamantyl heptanitrate among 7 most possible space groups (P21/c,P-1,P212121,P21,Pbca,C2/c,and Pna21) using Compass and Dreiding force fields showed that this compound tends to crystallize in P21/c. Ab initio periodic calculations on the electronic structure of the predicted packing showed that the O—NO2 bond is the trigger bond during thermolysis,which agrees with the result derived from the study of dissociation energies of O—N bonds.

关键词： high energy density compound (HEDC) adamantyl nitrate molecular packing periodic calculation energetic property density of states (DOS)

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微生物菌剂在深网网纹甜瓜上的应用效果比较

中国农学通报 2020年第25期36卷 45-52页

作者：李婷胡潇怡李金萍周孝秋许鹤鸣刘杰北京市农业技术推广站北京100029 北京市植物保护站北京100029 北京市弘科农场北京102400

为探讨优势微生物菌剂对深网网纹甜瓜生长以及品质的影响,以‘维蜜’和‘比美’为试材,选择枯草芽孢杆菌(M9、B29)、特锐菌和酵素(DT-01)为处理,不施菌剂为对照,比较菌剂对土壤菌群变化的影响,以及对深网网纹甜瓜田间生理指标、SPAD值... 详细信息

为探讨优势微生物菌剂对深网网纹甜瓜生长以及品质的影响,以‘维蜜’和‘比美’为试材,选择枯草芽孢杆菌(M9、B29)、特锐菌和酵素(DT-01)为处理,不施菌剂为对照,比较菌剂对土壤菌群变化的影响,以及对深网网纹甜瓜田间生理指标、SPAD值、产量以及品质指标的影响。结果表明,酵素处理(DT-01)对土壤菌群变化的影响最大,且处理后植株叶片数、叶片面积和株高的生长量最大,果实外观和口感品质最好,而特锐菌处理后茎粗生长量最大。综合比较认为,种植深网网纹甜瓜最佳的微生物菌剂为酵素(DT-01)。

关键词：网纹甜瓜网纹形成期菌剂生长品质

Phenomena and Mechanism of Positive Pulsed Discharge Branching in Two-phase Mixtures

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高电压技术 2013年第9期39卷 2152-2158页

作者： DENG heming ZHANG Guangzhou xu Yuhang HE Zhenghao ZHU Hongzhao LIANG Wei State Grid Electric Power Research Institute Wuhan 430074 China State Grid Corporation of China Beijing 100031 China Ximen Power Supply Bureau of Fujian Electric Power Company Ltd. State Grid Corporation of China Ximen 361004 China Huazhong University of Science and Technology Wuhan 430074 China

Discharge branching is a general phenomenon in atmospheric-pressure air,dense gases,and two-phase mixtures(TPMs).In this work,an ultraviolet imaging device is utilized to investigate the branching of positive pulsed discharges in *** among the captured images indicates that the branching is caused by the voltages and the macropartilces in the discharge channels combining *** interaction of macroparticles with ions,electrons or photons is one reason for the branching behavior of pulsed *** generation of electrons at the discharge front closely relates to the work function of dielectric macroparticles,which is a key parameter influencing the electron-emission ability of macroparticle *** electric field alteration under various applied voltage in TPMs,which is calculated by a two-dimension finite element method,is the other reason for the guiding effect of macroparticles on the streamers compared with in the air.

关键词：两相混合物放电现象脉冲放电电子发射能力机制 TPM 大颗粒大气压力

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民办二级学院教学管理改革探索

浙江树人大学学报 2002年第3期2卷 18-20页

作者：汪幼梅徐鹤鸣王文明张迎春浙江工业大学之江学院浙江杭州310024

针对民办二级学院的办学特点 ,提出要提高办学水平 ,教学管理是关键。认为教学计划改革应根据学院定位、体现学院的办学特色 ;要以学生为本 ,加大教学管理力度 ,向管理要质量 ,向管理要效率 ,同时为提高管理效率。

关键词：民办二级学院教学管理教学质量教学改革教学计划办学特色

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大孔导向筛板在蒸氨塔的应用

燃料与化工 2015年第1期46卷 46-48页

作者：侯文贵曲玉新刘宝菊徐贺明闪俊杰天津天大天久科技股份有限公司天津300072 北京化工大学北京100029 唐山中润煤化工有限公司唐山063611

为减少剩余氨水蒸氨时的蒸汽消耗量,将大孔导向筛板应用到蒸氨塔设计中,利用化工仿真软件对塔盘数量和蒸汽消耗量的关系进行了仿真及优化。相比泡罩蒸氨塔,每吨剩余氨水的蒸汽消耗量减少了30kg,废水的含氨量从50-100mg/L降低到30mg/L,... 详细信息

为减少剩余氨水蒸氨时的蒸汽消耗量,将大孔导向筛板应用到蒸氨塔设计中,利用化工仿真软件对塔盘数量和蒸汽消耗量的关系进行了仿真及优化。相比泡罩蒸氨塔,每吨剩余氨水的蒸汽消耗量减少了30kg,废水的含氨量从50-100mg/L降低到30mg/L,塔的检修和维护也更方便。

关键词：剩余氨水蒸氨塔大孔导向筛板

双重血浆分子吸附系统联合激素治疗慢加急性肝衰竭的疗效

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实用医学杂志 2020年第1期36卷 115-120页

作者：许何明张骏飞董静宋海燕陈照林刘力伟潘劲劲刘波陈曦吕荣德安徽医科大学解放军临床学院合肥230032 中国人民解放军联勤保障部队第九〇一医院感染性疾病科合肥230031 合肥京东方医院感染性疾病科合肥230012

目的探讨双重血浆分子吸附系统(DPMAS)联合糖皮质激素治疗乙型肝炎病毒(HBV)感染相关的慢加急性肝衰竭患者的临床疗效。方法收集2016年1月至2019年2月第九〇一医院感染科接受DPMAS治疗好转出院的38例HBV相关慢加急性肝衰竭患者的临床资... 详细信息

目的探讨双重血浆分子吸附系统(DPMAS)联合糖皮质激素治疗乙型肝炎病毒(HBV)感染相关的慢加急性肝衰竭患者的临床疗效。方法收集2016年1月至2019年2月第九〇一医院感染科接受DPMAS治疗好转出院的38例HBV相关慢加急性肝衰竭患者的临床资料,根据治疗方法不同分为观察组(n=20,DPMAS联合糖皮质激素治疗)和对照组(n=18,DPMAS治疗)。记录所有患者临床表现、肝功能、凝血功能、炎症指标、住院时间、DPMAS治疗次数等。结果(1)治疗2周时,观察组患者总胆红素(TBIL)、C反应蛋白(CRP)、白细胞介素-6(IL-6)及白细胞介素-8(IL-8)改善情况均好于对照组,差异均有统计学意义(t值分别为4.572、6.625、2.416、3.026,P值分别为<0.001、<0.001、0.024、0.005);(2)治疗2周时观察组患者TBIL、CRP、IL-6、IL-8的下降率明显高于对照组,差异有统计学意义(t值分别为-5.850、-2.241、-3.917、-2.147,P值分别为<0.001、0.031、<0.001、0.039);(3)观察组与对照组消化道症状改善时间[(3.20±1.15)d vs.(10.11±2.49)d,P<0.001]、TBIL降至肝衰竭诊断临界值之下的时间[(15.25±1.33)d vs.(19.92±2.81)d,P<0.001]、住院时间[(44.20±4.62)d vs.(59.25±8.06)d,P<0.001]、DPMAS治疗次数[(3.00±0.97)次vs.(4.22±1.52)次,P=0.007]差异均有统计学意义;(4)观察组与对照组肺部感染发生率(15.0%vs.22.2%,P=0.566)、自发性细菌性腹膜炎发生率(40.0%vs.33.8%,P=0.671)、腹水发生率(45.0%vs.44.4%,P=0.973)、肝肾综合征发生率(10.0%vs.16.7%,P=0.544)差异均无统计学意义。结论DPMAS联合糖皮质激素在治疗前期可快速降低HBV相关慢加急性肝衰竭患者血清TBIL及炎症因子水平,缓解患者消化道症状,减少平均住院时间及DPMAS治疗次数,加速患者病情恢复,且对并发症无明显影响,值得临床进一步探究。

关键词：慢加急性肝衰竭乙型肝炎病毒双重血浆分子吸附系统糖皮质激素人工肝

基于两步修正法的MEMS三轴陀螺仪标定方法

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仪器仪表学报 2022年第4期43卷 191-198页

作者：邹泽兰徐同旭徐祥赵鹤鸣苏州大学电子信息学院苏州215006 南京理工大学自动化学院南京210094

针对目前三轴陀螺仪标定存在依赖于昂贵的转台设备或标定参数不完全的问题,本文提出了一种了基于两步修正法的MEMS三轴陀螺仪标定方法。该方法首先使用六位置法对加速度计12参数模型、三轴陀螺仪比例因子、三轴陀螺仪静态零偏进行标定补... 详细信息

针对目前三轴陀螺仪标定存在依赖于昂贵的转台设备或标定参数不完全的问题,本文提出了一种了基于两步修正法的MEMS三轴陀螺仪标定方法。该方法首先使用六位置法对加速度计12参数模型、三轴陀螺仪比例因子、三轴陀螺仪静态零偏进行标定补偿,然后对三轴陀螺仪非正交误差模型建模,进行系统级标定。两步修正法可实现在无精密设备条件下快速准确的对各项误差进行辨识,获得良好的标定效果。仿真实验表明,本文算法所获得的非正交误差均值接近1%,标准差小于0.1%;比例因子误差均值小于0.14%,标准差小于0.004%,且具有很好的一致性。实际实验表明,65 s纯惯性导航姿态更新结果中,该标定方法的俯仰角误差精度可以达到0.624°,横滚角误差精度可以达到0.67°。

关键词： MEMS三轴陀螺仪六位置法系统级标定误差模型