作者: 邱文革,陈树森,于永忠
出处: 中国化学(英文版) 1999 第5期 P554-556+428
关键词: Oxidation;chromium;trioxide;hexabenzoylhexaazaisowurtzitane;cage;compound
摘要: Oxidation of hexabenzylhexaazaisowultzitane by different Cr(Ⅵ) reagents has been studied, and a very stable amide product, hexabenzoylhexaazaisowurtzi ...
作者: Ting ZHANG,Jiang Hua HAN,Ruo Nong FU,Jian ZHANG
出处: 中国化学快报(英文版) 1999 第1期 P45-46
关键词: Xylene;isomers;separation;capillary;stationary;phase;optimum;conditions;forseparation
摘要: TheseparationofxyleneisomersusingGCisamuchdifficulttaskforalongtime,ontheotherhandtheyareveryimpoFtantindustrialmaterials,sofindingagoodstationaryphas ...
作者: 黄先开,董勤喜
出处: 应用数学和力学(英文版) 1999 第8期 P87-90
关键词: delay;periodic;solution;existence;coincidence;degree
摘要: Consideringthehigherdimensionalperiodicsystemswithdelayoftheformx′(t)=A(t,x(t))x(t)+f(t,x(t-τ)),(1)x′(t)=gradG(x(t))+f(t,x(t-...
作者: 王培光,葛渭高
出处: 应用数学和力学(英文版) 1999 第7期 P47-55
关键词: oscillation;hyperbolic;equation;distributed;deviating;arguments
摘要: CLCnumber:O175.2Documentcode:AolutionsofHyperbangPeiguangandGeWeigaolutionsofHyperbolicFunctionaWangPeiguangandGeWeigaolution...
作者: 刘斌,董勤喜
出处: 应用数学和力学(英文版) 1999 第8期 P96-102
关键词: wavelets;transform;time_varying;AR;model;monetary;multiplier
摘要: IntroductionAstheChinesefinancialreformsdepen,theintermediatetargetsoperationofmonetarypolicyinChinahasgradualybenshiftedfrom...
作者: Li Ming YUAN,Ruo Nong FU,Xue Xian CHEN,Shi Hong GUl,Rong Ji DAI
出处: 中国化学快报(英文版) 1999 第3期 P223-226
关键词: Gas;chromatography;mixed;stationary;phase;synergistic;effect;heptakis(2.3.6-tri-o-pentyl)-β-cyclodextrin;dibenzo-18-crown-6
摘要: Thecrownetherhashighselectivityfortheseparationofpolarpositionisomersandcyclodextrlnstationaryphasesfortheseparationofchlralcompoundsandpositionalisom ...
作者: 林均品,程荆卫
出处: Transactions of Nonferrous Metals Society of China 1999 第9卷 第4期 P799-805
关键词: Al-9Mg;alloy;dynamic;recrystallization;torsion;stacking;faults
摘要: 1INTR0DUCTIONTheoccurrenceofdynamicrecrystallizationduringthehotdeformationofthosemetalsthatrecoveronlyrelativelyslowlyhasbeenwelles-tablished.Theseme ...
作者: Shen Haige 1 Wang Weidong 2 Ke Youan 3 (1 Dept. of Electronic Engineering, Beijing Institute of Technology, Beijing 100081 2 Biomedical Engineering Research Branch, Chinese PLA General Hospital, Beijing 100853 3 Center for Natural Product Res
出处: 中国体视学与图像分析 1999 第3期 P183-188
关键词: visualization;of;scientific;computing;(ViSC);three;dimensional;(3;D);visualization;suface;reconstruction;surface;rendering;medical;images
摘要: In this paper, with the general retrospect to the research on surface reconstruction and the marching cubes algorithm, we gave detailed description of ...
作者: 梅凤翔 (北京理工大学应用力学系)
出处: 力学与实践 1999 第21卷 第5期 P65-66,74
关键词: 大完整约束;Chetaev模型;Vacco模型
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