四体的

SETTING: Department of Dentistry, the Stomatological College, the Fourth Military Medical University of Chinese PLA.

对象：选择2000-01/2001-01在第四军医大学口腔医学院牙体病科就诊的50例牙病患者，男28例，女22例，年龄18～55岁，平均36岁。

The talus should be dievided into head、neck、body、cauda four parts. To the fracture of the talar cauda,operation is a better way of treatment.

认为距骨应分为头、颈、体、尾四部分，对距骨尾部骨折手术切除是治疗的关键。

The tetrameric anti PSA scFv which could bind to PC 3 cells has been successfully gained for the potential use in clinical studies.

获得了可与PC－3细胞特异结合的抗PSA scFv四聚体，为进一步临床应用奠定基础。

Eu_2 (SO_4)3(H_2O) 8 (1) has been hydrothermally synthesized by Eu_2O_3, H_2O, tetramethylammonium hydroxide and H_2SO_4 at 180℃. Sm_2(SO_4)_3(H_2O)_8 (2) was obtained by using Sm_2O_3 instead of Eu_2O_3. These two compounds have the same inorganic topological framework.

以Eu_2O_3、H_2O、四甲基氢氧化铵、浓硫酸为反应物在180℃下水热法合成了二维层状的硫酸镧Eu_2(SO_4)3(H_2O)8 (1)，以Sm_2O_3代替Eu2O3合成出了Sm_2(SO_4)_3(H_2O)_8 (2)，两个化合物是同构体。

Six new ligands and 2 mononuclear,5 binuclear,8 tetranuclear complexes all of which are new havebeen synthesised and characterized by elementalanalysis,electric conductance and IR,UV-Vis spactr-oscopic methods.

本文主要研究多核配合物中的磁交换相互作用。共合成了6个新配体，2个单核。5个双核和8个四核配合物，并用元素分析，红外，紫外一可见。

We have studiedthe coordination water-substituted reactions and the phase-transferchemistry of dozens of trinuclear or tetranuclear sandwich-typePOMs and found that organic molecules or polymers can becoordinated to these polyanions after dehydration, thus more thanone hundred coordinated products are obtained, indicating that thesepolyanions are excellent ligands in organic solvents.

我们首次对夹心三、四核等几十种化合物中配位水进行了配位水取代反应及相转移化学研究，脱水后可配位有机分子或有机高分子，得到上百种配位产物，因此在有机溶剂中它们是优秀的配体。

Density functional method was applied to the study of the isomers of the primary explosive of tetrazene.

采用密度泛函理论对四氮烯起爆药的异构体进行研究。

The geometrical structures of the three isomers of tetrazene molecule which had been proposed formerly were fully optimized at the B3LYP/6-311 +G(superscript **) level of theory.

在B3LYP/6-311+G水平下对四氮烯三种异构体分子的几何结构进行全优化计算。

In this study, CFD modeling mixing of water in a unbaffled vessel agitated by a four-bladed Rushton turbine and the affects of parameters of impeller on flow has been carried out by using the proprietary FLUENT.

AMPS之优点为良好的绘图功能及分割网格模式，运用点线面体四种工具将模型绘出，接著依照分析类型选择切割网格方式，能有效节省分析时间。

Meanwhile, by either artificial chromosome doubling via colchicine treatment or spontaneous chromosome doubling via a union of unreduced gametes (2n) from T. turgidum-Ae.

同时，通过秋水仙碱对四倍体小麦-节节麦杂种进行染色体人工加倍或利用未减数配子自然加倍，我国科学家创制了一些新的人工合成小麦。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。