1)MesocompactMeso-紧
1.On Mesocompactpreserving Problem Through the Operation of Inverse Limits;关于Meso-紧在逆极限运算下的保持问题
2)mesocompactmeso紧
1.σ-Products on Submesocompact and Mesocompact Spactes;关于meso紧和次meso紧的σ-积
英文短句/例句
1.Properties and Characterization of Countably Mesocompact Spaces and Locally Mesocompact Spaces;可数meso紧空间、局部meso紧空间的性质与刻画
2.Some Surveys on Base-mesocompact;关于base-meso紧的若干问题研究
3.On the Infinite Product Quality of the Meso Orthocompact Spaces and the Tychonoff;Meso紧空间的无限Tychonoff乘积性质
4.The Mapping Property of Mesocompact Space and Hausdorff Space;Meso紧空间、Hausdorff空间的映射性质
5.Meso-Lindelff Space and Its Properties;Meso-Lindelff空间及其性质
6.The Synthesis and Purification of Meso-1, 2, 3, 4-tetrachlorobutane;Meso-1,2,3,4-四氯丁烷的合成与精制
7.Simple One-pot Synthesis of Triazine-porphyrinsmeso-三嗪取代苯基卟啉的简单一锅合成
8.Spectrophotometric determination of lead withmeso-tetra(4-sulfophenyl) porphyrin;meso-四(对磺基苯)卟啉与铅(Ⅱ)显色反应的研究
9.Photophysical Properties of Meso-positions Zn(Ⅱ) Porphyrins:A Density Functional Theory StudyMeso取代Zn(Ⅱ)卟啉衍生物的光电性质的理论研究
10.Design and Kinematics Simulation of Meso-scale Electrochemical Machining SystemMeso-scale级微细电解加工系统设计与运动学分析
11.Synthesis, Characterization, and Properties of Silver, Stannum Complexes of Meso-tetra (Alkoxyl Phenyl) Porphyrin;meso-四(烷氧基苯基)卟啉银、锡配合物的合成、表征和性能研究
12.Studies on the Synthesis, Structural Identification and Liquid Crystalline Properties of Metallic Complexes of meso-Tetra (3-alkoxyphenyl) Porphyrin;meso-四(间烷氧基苯基)卟啉金属配合物的合成、表征和液晶性能研究
13.Research on the Synthesis, Structural Identification and Mesomorphic Properties of 5, 10, 15, 20-Tetra (4-alkoxyphenyl) Porphyrin and Its Fe、Mn、Cd Complexes;meso-四(对烷氧苯基)卟啉Fe、Mn、Cd配合物的合成、表征及液晶性能研究
14.Perfluoroalkylation of Porphyrins: Synthesis and Reactions of Beta-perfluoro-alkyltetraarylporphyrins;Beta位全氟烷基meso位四芳基卟啉的合成及其反应的研究
15.Density Functional Theory Study of Meso-tetrasubstitued Porphyrin and á-tetrahalogen Substitued Phthalocyanine;Meso位四取代卟啉及α位四卤代酞菁的密度泛函理论研究
16.Study on the color reaction of copper(Ⅱ) with TPP;meso-四-(4-苯基)卟啉与铜(Ⅱ)显色反应的分光光度研究
17.Determination on the Lead in Waste Water by Means of Mesco-Four (3,5-Diobromine-4-Hydroxy Benzene)TP Spectrophoto Method;Meso-四-(3,5-二溴-4-羟基苯)卟啉分光光度法测定废水中铅
18.A Study on the Content of meso and dl Isomers in the Polysubstituted Dibenzyl Compounds by Using HNMR Spectra;用~1H NMR谱确定meso和dl异构体在α—多取代联苄化合物中的含量
相关短句/例句
mesocompactmeso紧
1.σ-Products on Submesocompact and Mesocompact Spactes;关于meso紧和次meso紧的σ-积
3)Refinement coveringmeso紧映射
4)mesocompact spaceMeso紧空间
1.According of studying the properties of perfect mapping and the structure of Hausdorff and mesocompact space, it proves the properties of Hausdorff space on perfect mapping and perfect mapping inversely preserve the mesocompact.通过研究完备映射的性质以及Hausdorff空间、Meso紧空间的结构,证明了完备映射下Hausdorff空间的性质及Meso紧空间被完备映射逆象保持,从而完善了这几种拓扑空间的性质刻画。
5)mesocompact次meso紧
1.Tychonoff product on mesocompact spaces and subnesocompact spaces;Meso紧空间及次meso紧空间的Tychonoff乘积
6)σ-mesocompactσ-Meso-紧
延伸阅读
胎紧浸入和套紧浸入胎紧浸入和套紧浸入tight and taut immersions 矍数) 图3 犷鳖{ 图4 称空间A CB的嵌人在Z:同调中为单射的(in-Jeetive),如果对于i)0,诱导同态万.(注,22)~H.(B,22)是单的.令HC=R“是R“中带有超平面边界aH的半空间.例如, H=H:(t)={x“R“:z’(x)簇r}.如果f是一个胎紧浸人,h:是一个非退化的高度函数,那么由Morse理论得到f一’(万:(r))C=M在22同调中是单的.于是由连续性,对任一半空间H这种单性都成立.对于闭流形的光滑浸人,这种半空间性质等价于胎紧性.然而,这种半空间定义也能应用于更大范围的从流形和其他紧拓扑空间到RN中的连续浸人或甚至是映射中去.一个例子是胎紧的“瑞士干酪”,它是一个带边的嵌人曲面,见图5.一个到R中的胎紧映射也称为一个完满函数(详rfect丘inction).公 图5今 图6 对于曲线和闭曲面,半空间性质可导出对任一半空间H,f一’(H)是连通的.它等价于R功ehoff两片性质(R朔chofft场。一pieee pro详rty),即R“中的任一超平面日H将M至多分割成两个连通的片,见图3和图4中的胎紧曲面和图2中的非胎紧曲线. 半空间定义将胎紧性置于经典几何学和凸性理论之中.由于胎紧性在RN中的任意将凸包才(f(M))映到RN内的射影变换下是不变的,因此胎紧性是一个射影性质(见射影几何学(projeetive罗。
