1.
Unusual Boron-Carbon Compounds Containing Planar Tetracoordinate and Pentacoordinate Carbons
包含平面四配位和五配位碳原子的特殊硼碳化合物(英文)
2.
The Chemical Kinetics Study of Synthesizing Di-hydroxyl Tetracoordinated Silicon;
制备双羟基四配位硅化合物的动力学探讨
3.
Theoretical Study on the Sandwich-like Compounds Containing the Planar Tetracoordinate Carbon Unit CAl_2Si_2
基于平面四配位碳单元CAl_2Si_2夹心组装的理论研究
4.
Theoretical Studies on the Colbat(Ⅲ) Complexes-DNA Interactions and Some Complexes Containing Planar Tetracoordinate Carbon Atoms;
钴（Ⅲ）配合物与DNA的相互作用及一些含平面四配位碳原子化合物的理论研究
5.
All the tetraderadentate ligands were found to be effective with copper, which forms planar four-coordination complexes.
所有四价配位体对铜都有钝化效果，能与铜形成平面的四价配位络合物。
6.
Synthesis, Structure and Spectroscopic Properties of Tetrazolate-Complexes Based on in Situ Formation of Tetrazolate Ligand;
四氮唑配合物的原位合成、结构和光谱性质研究
7.
Studies on the Coordination Polymers of 4, 4 -bipyridine-2, 2 , 6, 6 -tetracarboxylate;
4，4’-联吡啶-2，2’，6，6’-四甲酸金属配位聚合物的研究
8.
Coordination and Supramolecule Study Based on 4,4',6,6'-Tetramethyl-2,2'-Bipyrimidine
4，4’，6，6’-四甲基-2，2’-联嘧啶的配位及超分子研究
9.
A Study about Structures, Properties of Coordination Compounds Based on 3,3 ,4,4 -biphenyltetracarboxylic Acid;
基于3，3’，4，4’-联苯四甲酸配体构筑的配位聚合物及其性质研究
10.
Crystal Structure of An Ion Coordination Compound with Tetrazolyl Ligand Through In-situ Reaction under Mild Condition
温和条件原位配体反应合成铁四氮唑配合物及其晶体结构
11.
STUDIES ON THE SOLID STATE REACTION OF COORDINATION COMPOUNDS ⅩⅩⅩⅥ. THE INTERACTION OF K_2Ni(CN)_4 WITHACIDIC SUPPORTS
固相配位化学反应研究 ⅩⅩⅩⅥ.四氰合镍酸钾与酸性载体间的相互作用
12.
Syntheses, Structure and Properties of Tetrathiafuvalene Derivatives and Their Coordination-Polymers;
四硫富瓦烯衍生物及其金属配位聚合物合成、结构与性能研究
13.
Synthesis, Structures and Properties of Functional Coordination Complexes Derived from Tetrathiafulvalene (TTF) and Ag(Ⅰ)
四硫富瓦烯（TTF）衍生物及其Ag（Ⅰ）功能配位化合物的合成、结构与性能
14.
Study on Syntheses, Construction and Catalytic Property of Functional Coordination Polymers
硫代联吡啶和V型四酸构筑的系列配位聚合物及其催化性能研究
15.
DEVELOPMENT AND APPLIEATION OF POSITIONING SYSTEM FOR FOUR-CAR COAL DISTRIBUTION IN ANGANG'S COKING PLANT
安钢焦化厂四车配煤定位控制系统的开发与应用
16.
The number2001 contains four digits.
2001是个四位数。
17.
It is composed of open type engine body, hydraulic power cylinder, upper pressure head, and lower type box. The type box can be collocated with manual four-positions renewal.
有开式机身、液压动力缸、上压头、下字盒等组成。下字盒可配手动四位根据用户要求更换。
18.
Article47 Units and indivuduals that facilitate recreational activities may be equipped with no greater than4.5 mm. pneumatic rifles.
第四十七条单位和个人为开展游艺活动，可以配置口径不超过4．毫米的气步枪。