核体

Keywords: polynuclear complexes; bridged-ligands; anti-cancer drug; 1,10-phenanthroline; dioxotetraamine macrocycle

中文关键词：多核配合物；桥联配体；抗癌药物； 1，10-菲罗啉；二氧四胺大环

U.S. and Japanese scientists medaka fish through the analysis of deoxyribonucleic acid all of the information and found that the structure of DNA nucleosome affect DNA variation, thus affecting the biological evolution.

美日两国科学家通过分析青鳉鱼脱氧核糖核酸的全部信息，发现DNA核小体结构影响着DNA变异，从而影响生物进化。

The influence of ligand and cooperative metal on carbonyl insertion in heterobimetallic Rh-M species was investigated at the B3LYP level of density functional theory.

采用密度泛函方法研究了配体和协同金属对杂双核Rh-M金属配合物中羰基插入反应的影响。

Exchang reaction of carbonyl with organic or inorganic ligands of electron-doner and metathesis of metal halids with carbonyl metal negative ion have been used to prepare some heteronuclear atomic clusters. The reaction condition are often moderate. They performed easier and have, a mord yield.

利用给电子有机和无机配位体的交换反应和金属卤化物与羰基金属阴离子的复分解反应，合成异核原子簇具有反应条件温和易于控制，收率较高的特点。

It was a microsomal membrane-bound hemoprotein without known physiological functions at that time and was characterized by a

细胞色素P450具有加单氧酶的作用，并能参与机体解毒、甾体激素的合成、脂肪酸代谢等重要的生理反应，并广泛分布于动物、植物和低等真核生物中。

Results Metaphase multipolar mitoses and centrosome amplification were found in all HNSCC cell lines at the average frequencies of 9.9±4.8% and 6.7±3.1%separately.

结果 HNSCC细胞系多极核分裂像细胞平均占分裂中期细胞的9.9±4.8%，含中心体扩增的细胞平均占总体细胞的6.7±3.1%。且二者呈显著正相关，r=0.857，P＜0.01。

The complexes were characterized by elemental analysis,UV,IR,TG,NMR and molar conductance measurements.Their formulas were in accordance with C34H32O8N2LnCl·nH2O or 〔(L4)2LnCl·nH2O,Ln=Nd,n=4;Ln=Pr,Yb,n=2;Ln=Sm,Eu,Dy,n=1〕.All the water molecules were uncoordinated.Dinuclear complexes were observed in the coordination environment.The coordination number of central ions was nine.

经元素分析、红外光谱、紫外光谱、核磁共振谱、质谱、摩尔电导、差热热重分析确证结构，其化学式为C34H32O8N2LnCl·nH2O，简写为：(L42LnCl·nH2O，Ln=Nd，n=4；Ln=Pr，Yb，n=2；Ln=Sm，Eu，Dy，n=1；该类配体是以酚氧原子、亚氨基的氮原子、桥联的羧基氧原子以及氯原子同稀土离子配位，形成了九配位的双核配合物。

The parthenogenetic blastocysts and morulas were seeded on MEF feeder respectively to examine the primary ICM appearance and compare the derivation rate, Results: Twelve batches of mouse parthenogenetic embryonic stem cells were established.

结果：共建立了12株小鼠孤雌胚胎干细胞系，这些细胞SSEA-1抗原阳性，SSEA-4，TRA-1-81，TRA-1-60表面抗原阴性，具有AKP活性，保持正常染色体核型，体内外分化分别形成畸胎瘤和拟胚体。

The formation of inclusion bodies,containing virions or viral proteins,in the nucleus or cytoplasm.

在胞核或胞浆中形成由病毒颗粒或病毒蛋白组成的包涵体。

Due to very short time in welding and the large cooling rate of the joint, the transformation of austenite in the nugget suppresses, and the microstructure of the nugget refines remarkably, the microstructure of HAZ uncharges.

由于储能焊极短的焊接时间和大的冷却速率，熔核中奥氏体组织来不及长大，使得接头组织得到显著细化，热影响区组织未发生明显变化。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。