咨询与建议

限定检索结果

文献类型

  • 546,735 篇 期刊文献
  • 3,177 篇 会议
  • 3 册 图书
  • 3 篇 学位论文

馆藏范围

  • 549,918 篇 电子文献
  • 0 种 纸本馆藏

日期分布

学科分类号

  • 247,555 篇 工学
    • 38,096 篇 材料科学与工程(可...
    • 37,901 篇 化学工程与技术
    • 21,630 篇 机械工程
    • 16,846 篇 食品科学与工程(可...
    • 14,955 篇 计算机科学与技术...
    • 13,705 篇 环境科学与工程(可...
    • 11,815 篇 软件工程
    • 11,441 篇 电气工程
    • 11,268 篇 仪器科学与技术
    • 11,021 篇 生物医学工程(可授...
    • 10,529 篇 动力工程及工程热...
    • 9,976 篇 土木工程
    • 9,819 篇 电子科学与技术(可...
    • 9,551 篇 生物工程
    • 9,292 篇 水利工程
  • 209,144 篇 医学
    • 121,602 篇 临床医学
    • 32,806 篇 中西医结合
    • 25,635 篇 药学(可授医学、理...
    • 20,076 篇 中药学(可授医学、...
    • 16,603 篇 公共卫生与预防医...
    • 14,382 篇 基础医学(可授医学...
    • 13,355 篇 医学技术(可授医学...
    • 8,945 篇 中医学
  • 68,903 篇 理学
    • 21,419 篇 化学
    • 15,681 篇 生物学
  • 57,804 篇 农学
    • 15,344 篇 作物学
    • 11,156 篇 农业资源与环境
  • 25,708 篇 管理学
    • 11,206 篇 管理科学与工程(可...
    • 8,732 篇 公共管理
  • 15,216 篇 教育学
    • 10,857 篇 教育学
  • 8,645 篇 经济学
  • 5,315 篇 法学
  • 3,412 篇 文学
  • 2,050 篇 艺术学
  • 1,726 篇 历史学
  • 1,411 篇 军事学
  • 844 篇 哲学

主题

  • 5,211 篇 高效液相色谱法
  • 3,311 篇 大鼠
  • 3,229 篇 含量测定
  • 3,021 篇 数值模拟
  • 2,867 篇 儿童
  • 2,811 篇 影响因素
  • 2,652 篇 腹腔镜
  • 2,637 篇 预后
  • 2,516 篇 力学性能
  • 2,317 篇 高效液相色谱
  • 2,047 篇 危险因素
  • 2,045 篇 吸附
  • 1,868 篇 磁共振成像
  • 1,850 篇 诊断
  • 1,795 篇 治疗
  • 1,778 篇 正交试验
  • 1,699 篇 应用
  • 1,641 篇 产量
  • 1,575 篇 疗效
  • 1,536 篇 稳定性

机构

  • 3,702 篇 浙江大学
  • 3,624 篇 上海交通大学
  • 3,034 篇 四川大学
  • 2,996 篇 清华大学
  • 2,911 篇 中南大学
  • 2,674 篇 西北农林科技大学
  • 2,635 篇 吉林大学
  • 2,499 篇 中国科学院大学
  • 2,466 篇 北京大学
  • 2,402 篇 西安交通大学
  • 2,381 篇 天津大学
  • 2,255 篇 北京科技大学
  • 2,180 篇 山东大学
  • 2,167 篇 华南理工大学
  • 2,142 篇 同济大学
  • 2,125 篇 中国矿业大学
  • 2,087 篇 中国农业大学
  • 2,073 篇 中国石油大学
  • 2,038 篇 西北工业大学
  • 1,972 篇 华中科技大学

作者

  • 16,939 篇 张敏
  • 13,395 篇 张健
  • 4,502 篇 张建
  • 3,967 篇 李敏
  • 3,720 篇 张剑
  • 3,615 篇 王敏
  • 3,592 篇 王健
  • 3,136 篇 张伟
  • 2,719 篇 李健
  • 2,655 篇 张建华
  • 2,628 篇 刘敏
  • 2,486 篇 张磊
  • 2,395 篇 张建军
  • 2,106 篇 张勇
  • 1,964 篇 陈敏
  • 1,962 篇 张静
  • 1,953 篇 张涛
  • 1,909 篇 张鹏
  • 1,835 篇 张杰
  • 1,808 篇 刘健

语言

  • 526,976 篇 中文
  • 22,938 篇 英文
  • 3 篇 日文
  • 1 篇 法文
检索条件"作者=Jian-min zhang"
549918 条 记 录,以下是41-50 订阅
排序:
Reversing anther thermotolerance by manipulating the cis-elements in the promoter of a high-temperature upregulated gene Casein Kinase I in upland cotton
收藏 引用
Science China Life Sciences 2025年
作者: Yanlong Li Yinuo Fu Yaoyao Li Rui zhang Jing Yang Huanhuan Ma Ling min Xianlong zhang National Key Laboratory of Crop Genetic Improvement Huazhong Agricultural University
High temperature (HT) stress causes male sterility,leading to reduced upland cotton ***,we identified a key gene,Casein Kinase I (GhCKI),that negatively regulates male fertility in upland cotton under ***,conventional...
来源: 同方期刊数据库 同方期刊数据库 评论
Breaking the structural symmetry of active sites in zeolite imidazolate framework for enhanced CO2 photoreduction
收藏 引用
Science China Chemistry 2025年
作者: Yupeng Han Yayu Yan Qiaohong Li Xin Wu Fei Wang jian zhang State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences University of Chinese Academy of Sciences College of Chemistry Fuzhou University
Adjusting the structure and composition of active sites is a highly effective method for activating linear ***, precise control of interfacial chemistry within molecular-scale environments presents a significant chall...
来源: 同方期刊数据库 同方期刊数据库 评论
Dual-ligand chiral MOFs exhibiting circularly polarized room temperature phosphorescence for anti-counterfeiting
收藏 引用
Science China Chemistry 2025年
作者: Hongrui Zheng Qingqing Wang Xinchao Wang Fei Wang Shangda Li jian zhang State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Fujian Key Laboratory of Polymer Materials College of Chemistry and Materials Science Fujian Normal University
Advanced chiral optical materials exhibiting circularly polarized room-temperature phosphorescence(CPRTP) possess significant research value. This study facilitates the synthesis of chiral metal-organic frameworks(...
来源: 同方期刊数据库 同方期刊数据库 评论
The cGAS-STING-interferon regulatory factor 7 pathway regulates neuroinflammation in Parkinson's disease
收藏 引用
Neural Regeneration Research 2025年 第8期20卷 2361-2372页
作者: Shengyang Zhou Ting Li Wei zhang jian Wu Hui Hong Wei Quan Xinyu Qiao Chun Cui Chenmeng Qiao Weijiang Zhao Yanqin Shen Laboratory of Neurodegenerative and Neuroinjury Diseases Wuxi Medicine SchoolJiangnan UniversityWuxiJiangsu ProvinceChina
Interferon regulatory factor 7 plays a crucial role in the innate immune ***,whether interferon regulatory factor 7-mediated signaling contributes to Parkinson's disease remains *** we report that interferon regulator... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
间充质干细胞联合胰岛移植治疗Ⅰ型糖尿病的研究进展
收藏 引用
世界华人消化杂志 2016年 第14期24卷 2213-2218页
作者: 崔君鹏 张敏健 刘宝林 中国医科大学附属盛京医院普外六胆道血管外科 辽宁省沈阳市110001
Ⅰ型糖尿病最显著的特征是?细胞的减少缺失,因此带来一系列的并发症,越来越多的患者深受其害.?细胞作为自身免疫靶点,最终在炎性介质的诱导下被巨噬细胞和T细胞所损害.由于这种特性,临床上一般应用5类抗体即胰岛细胞抗体、胰岛素抗体、G... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Does Early Postsurgical Temozolomide Plus Concomitant Radiochemotherapy Regimen Have Any Benefit in Newly-diagnosed Glioblastoma Patients? A Multi-center, Randomized, Parallel, Open-label, Phase II Clinical Trial
收藏 引用
Chinese Medical Journal 2015年 第20期128卷 2751-2758页
作者: Ying Mao Yu Yao Li-Wei zhang Yi-Cheng Lu Zhong-Ping Chen jian-min zhang Song-Tao Qi Chao You Ren-Zhi Wang Shu-Yuan Yang Xiang zhang Ji-Sheng Wang Ju-Xiang Chen Qun-Ying Yang Hong Shen Zhi-Yong Li Xiang Wang Wen-Bin Ma Xue-Jun Yang Hai-Ning Zhen Liang-Fu Zhou Department of Neurosurgery Huashan Hospital Fudan University Shanghai 200040 China Department of Neurosurgery Beijing Tiantan Hospital Capital Medical University Beijing 100050 China Department of Neurosurgery Changzheng Hospital Second Military Medical University Shanghai 200003 China Sun Yat-Sen University Cancer Center Guangzhou Guangdong 510060 China Department of Neurosurgery The Second Affiliated Hospital of Zhejiang University School of Medicine Hangzhou Zhejiang 310009 China Department of Neurosurgery Nanfang Hospital Southern Medical University Guangzhou Guangdong 510515 China Department of Neurosurgery West China Hospital of Sichuan University Chengdu Sichuan 610041 China Department of Neurosurgery Peking Union Medical College Hospital Beijing 100032 China Department of Neurosurgery General Hospital Tianjin Medical University Tianjin 300070 China Department of Neurosurgery Xijing Hospital The Fourth Military Medical University Xi'an Shaanxi 710032 China
Background: The radiochemotherapy regimen concomitantly employing temozolomide (TMZ) chemotherapy and radiotherapy (RT) 4 weeks after surgery, followed by 6 cycles of TMZ is a common treatment for glioblastoma (... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Application of Keyhole Microneurosurgery in China
收藏 引用
Chinese Medical Journal 2017年 第16期130卷 1987-1994页
作者: Li-Gang Chen Shu-Da Chen Guang-Fu Huang Ying Huang De-Zhi Kang Qing Lan Gang Li Xin-Gang Li Zhi-Xiong Liu Song-Tao Qi Xin-Hua Tian Guo-Liang Wang Shuo Wang Xiang-Yu Wang Yong-Fei Wang Yun-Jie Wang Chao You Yan-Bing Yu Shu-Yuan Yue Dong zhang jian-min zhang jian-Ning zhang Jun-Ting zhang Shi-Zhong zhang Xian zhang Ya-Zhuo zhang Ji-Zong Zhao Wei-Guo Zhao Yuan-Li Zhao Ding-Biao Zhou Liang-Fu Zhou Department of Neurosurgery The Affiliated Hospital of Southwest Medical University Luzhou Sichuan 646000 China Department of Neurosurgery Zhejiang Provincial People's Hospital Hangzhou Zhejiang 310014 China Department of Neurosurgery Sichuan Provincial People's Hospital Chengdu Sichuan 610072 China Department of Neurosurgery Tianjin Huanhu Hospital Tianjin 300060 China Department of Neurosurgery The First Affiliated Hospital of Fujian Medical University Fuzhou Fujian 350005 China Department of Neurosurgery The Second Affiliated Hospital of Soochow University Suzhou Jiangsu 215004 China Department of Neurosurgery Qilu Hospital of Shandong University Jinan Shandong 250012 China Department of Neurosurgery Xiangya Hospital of Central South University Changsha Hunan 410008 China Department of Neurosurgery Nanfang Hospital of Southern Medical University Guangzhou Guangdong 510515 China Department of Neurosurgery The Affiliated Zhongshan Hospital of Xiamen University Xiamen Fujian 361004 China Department of Neurosurgery General Hospital of Guangzhou Military Command of PLA Guangzhou Guangdong 510010 China Department of Neurosurgery The Affiliated Beijing Tiantan Hospital of Capital Medical University Beijing 100050 China Department of Neurosurgery The First Affiliated Hospital of Jinan University Guangzhou Guangdong 510630 China Department of Neurosurgery The Affiliated Huashan Hospital of Fudan University Shanghai 200040 China Department of Neurosurgery The First Affiliated Hospital of China Medical University Shenyang Liaoning 110001 China Department of Neurosurgery West China Hospital of Sichuan University Chengdu Sichuan 610041 China Department of Neurosurgery Sino-Japanese Friendship Hospital Beijing 100029 China Department of Neurosurgery General Hospital of Tianjin Medical University Tianjin 300052 China Department of Neurosurgery The Second Affiliated Hospital of Zhejiang University Medical College Hangzhou Zhejiang 310009 China Department of
INTRODUCTIONMicroneurosurgery made its debut in the early 1960s. It became popular in the medical field and became a primary operation method in neurosurgery since it improved the efficacy of neurosurgery with a less ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
区间时变时滞复杂动态网络的同步准则
收藏 引用
宝鸡文理学院学报(自然科学版) 2016年 第4期36卷 1-6页
作者: 焦建民 张瑞 宝鸡文理学院数学与信息科学学院 陕西宝鸡721013
目的研究含有区间时变时滞、非时滞耦合及时滞耦合复杂动态网络的同步问题。方法通过构造合适的Lyapunov-Krasovskii泛函,矩阵不等式方法。结果给出了复杂动态网络新的同步准则。结论通过数值实例验证了所给结论的有效性,且具有较小的... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
固体火箭冲压发动机补燃室的响应面法优化设计
收藏 引用
推进技术 2004年 第6期25卷 491-494页
作者: 胡建新 夏智勋 赵建民 郭健 张炜 罗振兵 缪万波 国防科学技术大学航天与材料工程学院 湖南长沙410073
影响固体火箭冲压发动机补燃室燃烧效率的因素很多,且各因素对燃烧效率的影响很难用精确的解析函数式来表示。采用基于正交多项式的响应面法结合数值模拟的优化方法对某实验发动机补燃室进行了设计,结果表明:这种优化方法可以减少为得... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Multi-dimensional Bi@C electrocatalyst for Cr3+/Cr2+ redox reaction boosting high-performance iron-chromium flow batteries
收藏 引用
Science China Chemistry 2025年
作者: min Wu mingjun Nan Shumin Liu Caihe Zhong Lin Qiao Huamin zhang Xiangkun Ma Department of Materials Science and Engineering Dalian Maritime University Division of Energy Storage Dalian National Laboratory for Clean Energy Dalian Institute of Chemical Physics Chinese Academy of Sciences
With the increasing demand for energy storage technology, iron-chromium flow batteries(ICFBs) have been widely concerned because of their price advantage. However, the low electrochemical activity of Cr3+/Cr2+redox ...
来源: 同方期刊数据库 同方期刊数据库 评论