作者： Sun, Chenghui¹;Feng, Zewang¹;Fang, Tao¹;Zhao, Xinqi¹; （¹Sch. of Mat. Science and Engineering, Beijing Institute of Technology, Beijing 100081, China）

出处： Jiegou Huaxue 2005 Vol.24 No.2 P204-208

摘要： The title compound, 2,6,8,12-tetraacetyl-2,4,6,8,10,12-hexaazatetracyclo[5. 5.0.05,9.03,11] dodecane (TAIW, C14H 20N6O4, Mr= 336.36), has been synthes ...

作者： Xu, Weiliang¹;Li, Yunzheng¹;Zhang, Qingshan¹;Zhu, Hesun¹; （¹Sch. of Chem. Eng. and Environment, Beijing Institute of Technology, Beijing 100081, China）

出处： Synthesis 2005 No.3 P442-446

摘要： Tazobactam (9) was synthesized in 8 steps from the readily accessible 6-APA. By the first use of silver triazole as reactant, the formation of the iso ...

作者： Dong, Shijie¹;Ge, Weigao²; （¹Department of Mathematics, Mechanical Engineering College, Shijiazhuang, 050003, China;²Department of Applied Mathematics, Beijing Institute of Technology, Beijing, 100081, China）

出处： Computers and Mathematics with Applications 2005 Vol.49 No.4 P589-598

摘要： Let ai > 0 for i = 1, ..., m - 2. Let ξi satisfy 0 = ξ0 < ξ1 < ξ2 < ... < ξm-2 < ξm-1 = 1 and ∑ m-2i=1 aiξi < 1. We study the existence of positive so ...

作者： Du, Zengji¹;Xue, Chunyan¹²;Ge, Weigao¹; （¹Department of Mathematics, Beijing Institute of Technology, Beijing 100081, China;²Department of Mathematics, Shenyang Normal University, Shenyang 110034, China）

出处： Acta Mathematicae Applicatae Sinica 2005 Vol.21 No.1 P105-114

摘要： In this paper, we consider discrete second order three-point boundary value problems. By exploring the properties of the associated Green's function a ...

作者： Wang, Liying Li¹;Guo, Qiao¹;Li, Wenzheng¹;Wang, Dong²; （¹Network Info. Ctr., Beijing Inst. of Technol., Beijing 100081, China;²Network Product Dept., Beida Jade Bird Huaguang Tech .Co., Beijing 100871, China）

出处： Jisuanji Gongcheng/Computer Engineering 2005 Vol.31 No.2 P19-21+53

摘要： In order to avoid meaningless polling and lessen the burden of network communication and system, a data synchronization mechanism in SNMP network mana ...

作者： Liu, Yuji¹²;Ge, Weigao²; （¹Department of Mathematics, Hunan Institute of Science and Technology, Yueyang, 414000, China;²Department of Applied Mathematics, Beijing Institute of Technology, Beijing, 100081, China）

出处： International Journal of Phytoremediation 2005 Vol.84 No.11 P1079-1094

摘要： Consider the existence of positive periodic solutions of the non-autonomous state-dependent delay differential equation (Formula presented.) with the ...

作者： Dong, Shijie¹;Ge, Weigao²; （¹Department of Mathematics, Mechanical Engineering College, Shijiazhuang, 050003, China;²Department of Applied Mathematics, Beijing Institute of Technology, Beijing, 100081, China）

出处： International Journal of Phytoremediation 2005 Vol.84 No.12 P1221-1229

摘要： It is well known that the Krasnoselskii's fixed point theorem is very very important. It was extensively used for studying the boundary value problems ...

作者： Wang, Youyu¹;Ge, Weigao¹; （¹Department of Mathematics, Beijing Institute of Technology, Beijing, 100081, China）

出处： Applicable Analysis 2005 Vol.84 No.8 P821-831

摘要： We consider the following boundary-value problems: (Formula presented.) (Formula presented.). Using a generalization of Leggett–Williams fixed-point t ...

作者： Gao, Yunhua¹;Yang, Xinlin¹; （¹School of Life Science and Technology, Beijing Institute of Technology, Beijing, 100081, China）

出处： Sheng wu yi xue gong cheng xue za zhi = Journal of biomedical engineering = Shengwu yixue gongchengxue zazhi 2005 Vol.22 No.5 P971-974

摘要： This study aimed at immobilizing the antibodies on the surfaces of the solid host membranes in order to improve the property of the biomaterial. The v ...

作者： Chen, Junda¹;Ma, Shaopeng²³;Liu, Shanjun⁴;Jin, Guanchang¹; （¹Department of Engineering Mechanics, Tsinghua University, Beijing 100084, China;²Department of Geophysics, Peking University, Beijing 100871, China;³Department of Mechanics, School of Science, Beijing Institute of Technology, Beijing 100081, China;⁴School of Resource and Environment, Hebei University of Technology, Tangshan 063100, China）

出处： Acta Geophysica Sinica 2005 Vol.48 No.6 P1350-1356

摘要： The failure process of en-echelon fault structure is experimentally studied and the evolution of the deformation filed during failure is inspected and ...