作者:付伟
学位名称:硕士
出处:北京理工大学化工与环境学院 2016
关键词:硝基吡唑;四唑;含能材料;偶氮;稠环
摘要:开发高能钝感及环境友好的新型高能密度材料(HEDM)是现代军事的迫切需求。然而,高能量与低感度通常是一对矛盾体,因此,迫切需要合成高能低感含能化合物,提高炸药的安全性,同时保持其高能特性,寻求解决这一矛盾。近年来,越来越多的研究表明,富氮杂环含能离子盐能有效解决这一矛盾,成为研究热点。因为,含能离子 ...
作者:李颖颖
学位名称:硕士
出处:北京理工大学化工与环境学院 2016
关键词:含能材料;硝基吡唑;含能离子盐;晶体结构
摘要:高能密度含能材料(HEDMs)是近年来含能材料领域的研究热点,高能量和低感度是武器装备的核心问题,同时也是炸药和推进剂所面临的基础性问题。但二者是一对矛盾体,因此,需要对炸药分子结构进行合理的设计来解决这一问题。近年来,采用高氮含量杂环的含能离子盐作为高能密度材料取得了很大的进展。含能离子盐相对于其 ...
作者:Nan Zhang1;Yingjun Deng2;Bin Liu3;
出处:Reliability Engineering & System Safety 2022
摘要:This paper develops a condition-based maintenance (CBM) model for a multi-component system operating under a dynamic environment. The degradation proc ...
作者:Haixia Huang1;Yongfu Sun2;Liheng Wang3;Jun Zhang4; (1. Chinese Academy of Engineering, Beijing 100088, China 2. China State Railway Group Co., Ltd., Beijing 100844, China 3. China Aerospace Science and Technology Corporation, Beijing 100048, China 4. Beijing Institute of Technology, Beijing 100081, China)
出处:Strategic Study of Chinese Academy of Engineering 2019
关键词:the Belt and Road;engineering science and technology;2035;development strategy
摘要:The Belt and Road initiative is China’s plan to build a community of shared future for mankind and represents China’s vision for the world in a new er ...
作者:Li, Xue;Peng, Jia;Zhang, Tao;Liu, Mingrui;Fu, Ying;Zhong, Haizheng;Zhang, Jun (1MIIT Key Laboratory for Low-dimensional Quantum Structure and Devices, School of Materials Sciences & Engineering, Beijing Institute of Technology, Beijing; 100081, China;2School of Computer Science and Technology, Beijing Institute of Technology, Beijing; 100081, China;3School of Information and Electronics, Advanced Research Institute of Multidisciplinary Science, Beijing Institute of Technology, Beijing; 100081, China)
出处:Advanced Intelligent Systems 2022
摘要:With the wide utilization of mobile devices with a camera as online communication tools, there is a great need to develop image encryption technology ...
作者:Mingyuan Zhang;Shenwen Chen;Wenbo Du;Xianbin Cao;Daqing Li;Jun Zhang;Shlomo Havlin (1 School of Electronic and Information Engineering, Beihang University, Beijing 100191, China. 2 School of Reliability and Systems Engineering, Beihang University, Beijing 100191, China. 3 Advanced Research Institute of Multidisciplinary Science, Beijing Institute of Technology, Beijing 100081, China. 4 Department of Physics, Bar Ilan University, Ramat Gan 52900, Israel.)
出处:PNAS nexus 2022
关键词:Cascade effects;Complex system;Computational framework;International relationships.
摘要:Changing attitudes in diplomatic relations is a common feature of international politics. However, such changes may trigger risky domino-like cascades ...
作者:Mingyuan Zhang1;Shenwen Chen1;Wenbo Du1;Xianbin Cao1;
出处:PNAS Nexus
摘要:Changing attitudes in diplomatic relations is a common feature of in international politics. However, some such changes may trigger risky domino-like ...
发明人:ZHOU, Zhiming;ZHANG, Jun;LI, Zhihuai;WANG, Jinliang
申请日期:2011.03.16
摘要:[(4-methyl-2-propyl-N-methoxy-substituted phenylalkyl-1H-benzimidazol-6- formamide)-1-yl]-methyl biphenyl compounds of the following formula I, prepar ...
作者:Ye TIAN1,2;,Ying FU3;,Jun ZHANG1,2; (1School of Information and Electronics, Beijing Institute of Technology;2Advanced Research Institute of Multidisciplinary Science, Beijing Institute of Technology;3School of Computer Science and Technology, Beijing Institute of Technology)
出处:Science China(Information Sciences) 2022
摘要:Dear editor,Single-pixel imaging(SPI) is an indirect image measurement technique that can capture images using a detector without spatial resolution \ ...
作者:Ye Tian;Ying Fu;Jun Zhang (1School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China;2Advanced Research Institute of Multidisciplinary Science, Beijing Institute of Technology, Beijing 100081, China;3School of Computer Science and Technology, Beijing Institute of Technology, Beijing 100081, China)
出处:Optics & Laser Technology 2023
摘要:To solve the problem of low image quality that under-sampled single-pixel imaging (SPI) often suffers from, deep learning based SPI methods have attra ...