作者: 张璐璐,王媛媛,朱贵楠,戴文博,赵紫璇,赵盈,支俊格,董宇平 (北京理工大学化学与化工学院;北京理工大学材料学院)
出处: 化学学报 2022 第80卷 第3期 P282-290
关键词: 聚集诱导发光;四苯基丁二烯;烷基链长度;高荧光量子效率;力致变色
摘要: 设计合成了带有不同长度烷基链、不同极性取代基的四苯基丁二烯(TPB)衍生物TPB-COOCH3-1~6和TPB-COOH-1~6,目标化合物均具有显著的聚集诱导发光(AIE)特性及较高的固态荧光量子效率.烷基链长及取代基极性都会影响目标化合物在聚集时分子排列及分子运动的受限程度,从而调控其AIE行为 ...
作者: 白鸿伟,李达,郭寻,薛云飞,靳柯 (北京理工大学材料学院;国家核安保技术中心;北京理工大学前沿交叉科学研究院)
出处: 辐射防护 2022 第42卷 第1期 P41-47
关键词: 中子-γ射线混合辐射;辐射屏蔽;Geant4;钨/硼纤维
摘要: 在乏燃料后处理厂的工作环境中可能存在着低能中子-γ射线混合辐射,严重威胁工作人员的人身安全。本文针对上述混合辐射环境,利用蒙特卡罗程序Geant4模拟计算了一种钨/硼纤维增强含硼/铋聚合物复合材料中不同材料参数对低能中子和γ射线综合防护效果的影响。结果显示,此种钨/硼纤维复合材料对低能中子和γ射线均 ...
作者: Xin Song1,2;Shizhen Zhu1,2;Zhuang Ma1,2,3;Ling Liu1,2,3;Wenda Leng1,2;Yunfan He1,2; (1School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, 100081, China;2National Key Laboratory of Science and Technology on Materials Under Shock and Impact, Beijing, 100081, China;3Beijing Institute of Technology Chongqing Innovation Center, Chongqing, 401120, China)
出处: Ceramics International 2022
关键词: Spinel ferrite;Infrared emissivity;Coatings;Energy-saving
摘要: The NiFe spinel material itself has good thermal stability and emissivity and can be prepared as an infrared high radiation coating for energy saving ...
作者: Gao, Rongzhen1;Shi, Xiaoming1;Wang, Jing2;Huang, Houbing2; (1School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, China;2Advanced Research Institute of Multidisciplinary Science, Beijing Institute of Technology, Beijing, China)
出处: Journal of the American Ceramic Society 2022 Vol.105 No.6 P3689-3714
摘要: With the urgent need to explore low-cost, high-efficiency solid-state refrigeration technology, the electrocaloric effects of ferroelectric materials ...
作者: Hou, Lipeng1;Zhang, Xueqiang23;Yao, Nan1;Chen, Xiang1;Li, Boquan23;Shi, Peng1;Jin, Chengbin1;Huang, Jiaqi23;Zhang, Qiang1; (1Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, China;2Advanced Research Institute of Multidisciplinary Science, Beijing Institute of Technology, Beijing, 100081, China;3School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, 100081, China)
出处: Chem 2022 Vol.8 No.4 P1083-1098
摘要: Practical lithium–sulfur batteries are severely hindered by parasitic reactions between lithium metal anodes and soluble lithium polysulfide (LiPS) in ...
作者: Zhu, Lin1;Zhao, Dongxu1;Xu, Lixin1;Sun, Meng1;Song, Yueyue1;Liu, Mingrui2;Li, Menglin2;Zhang, Jinfeng1; (1Key Laboratory of Molecular Medicine and Biotherapy, School of Life Sciences, Beijing Institute of Technology, Beijing, 100081, China;2School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, 100081, China)
出处: Nanomaterials 2022 Vol.12 No.8
摘要: Early diagnosis of cancer is of paramount significance for the therapeutic intervention of cancers. Although the detection of circulating cell-free DN ...
作者: Liu, Xiu1;Che, Yan Ling1;Yang, Gaoling1;Zhong, Haizheng2; (1School of Optics and Photonics, Beijing Institute of Technology, Beijing, 100081, China;2School of Materials Science & Engineering, Beijing Institute of Technology, Beijing, 100081, China)
出处: Faguang Xuebao/Chinese Journal of Luminescence 2022 Vol.43 No.3 P297-313
摘要: Photon upconversion(UC), a nonlinear optical process that converts multiple low-energy photons into a single high-energy photon, is of significant imp ...
作者: Shi, Peng1;Hou, Lipeng1;Jin, Chengbin1;Xiao, Ye23;Yao, Yuxing1;Xie, Jin1;Li, Boquan23;Zhang, Xueqiang23;Zhang, Qiang1; (1Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, China;2Advanced Research Institute of Multidisciplinary Science, Beijing Institute of Technology, Beijing, 100081, China;3School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, 100081, China)
出处: Journal of the American Chemical Society 2022 Vol.144 No.1 P212-218
摘要: Lithium (Li) metal anodes are attractive for high-energy-density batteries. Dead Li is inevitably generated during the delithiation of deposited Li ba ...
作者: 柳学鋈,郑少楷,易碧霞,梁银彬,杨宝仪,陈泓羽,黄婷,施昕妍,陈冰虹,黄锦勇 (北京理工大学珠海学院材料与环境学院)
出处: 广东化工 2022 第49卷 第3期 P79-82
关键词: 茶叶;活性炭;碘吸附
摘要: 采用废弃茶叶渣,氯化锌活化制备茶渣活性炭,以碘吸附为主要参考指标,探究不同浓度的氯化锌,不同液料比,不同活化温度和不同活化时间对不同茶叶渣活性炭的吸附性能影响。结果显示,最佳工艺参数为:黑茶渣:45%氯化锌溶液、2︰1的液料比、450℃的活化温度,60分钟的活化时间;黄茶渣:45%氯化锌溶液、2.5 ...
作者: 周瑜芳,李青云,刘洪博,彭琳 (北京理工大学珠海学院材料与环境学院)
出处: 广东化工 2022 第49卷 第5期 P202,209
关键词: 化工原理;课堂学习;实验过程;课程设计;教学质量
摘要: 化工原理是化学工程与工艺专业学生重要的专业基础课程,主要学习化工生产过程所涉及到的单元操作,是一门实践性很强的课程。在大学期间,学生通过课堂学习掌握基本的理论知识,通过实验过程将理论知识和实践相结合,通过课程设计环节将理论运用于实践并指导实践。这三个教学环节循序渐进,相辅相成,共同提化工原理课程的教 ...