配体

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。

The present study is involved in the expression of vitronectin , a ligand of integrin, on human spermatozoa and its role in fertilization; the expression of integrin α〓、α〓、β〓 sbunits on human and mouse oocytes and their relationship with maturation of oocytes; the reorganization of cytoskeletal protein, actin, of mouse oocytes mediated with RGD peptide binding with integrins; the roles and mechanisms of integrins in activation of mouse oocytes as trasmembrane signaling receptors, using the methos of cell culture, immunohistochemistry, flow cytometer, laser confocal microscope.

本课题采用细胞培养、免疫组化、流式细胞术、激光共聚焦显微技术进行以下四个方面的研究：整合素配体玻连蛋白在人精子的表达及其与精子功能状态及受精的关系：整合素〓在人、小鼠卵的表达及其与卵的成熟程度的关系：整合素介导小鼠卵内actin骨架蛋白的重组；整合素介导卵激活的早、晚期事件，包括卵细胞内钙离子浓度的变化及孤雌发育胚的形成，并探讨其机制。

One year later, Slit was confirmed as the ligand of Robo and the Slit-Robo signaling is know involved in the repulsive effect of the commission axons crossing the mid-line, and also involved in the repulsive effect of the guidance of neuronal migration and leukocyte migration as well.

而对 Slit 功能展开的研究起于1998年，先是发现其受体 Robo突变型果蝇的中线处交叉神经元的导向发生缺陷。1999年的一系列遗传和生化的研究又发现，分泌性因子 Slit 正是 Robo 的配体， Slit － Robo 信号起到了排斥一些轴突，使之无法穿过中线的作用。

But what the role of PLC-γ 1 in growth factor Hduced cells mitogenic signal transduction is not clear.

当受体与其配体结合并被激活后，PLC-γ1则与激活的受体偶朕，继而在这些受体酪氨酸激酶的催化下，其酪氨酸残基被磷酸化。

The surface charge modifications of nanoparticles, caused by ligand coupling, were monitored by measuring their electrophoretic mobilities using laser-Doppler velocimetry.

纳米颗粒的表面电荷改变是由配体连接造成的，这种变化可用激光多普勒测速仪通过测量它们的电泳迁移加以监测。

A new Schiff baseH_(2Lhas been synthesized from sulfamethoxazole and complexes of this ligand have been prepared with it and characterized by elemental analysis,infrared spectrum,nuclear magnetic resonance,thermal analysis,molar electric conductance and solubility.

以磺胺甲基异口恶唑与对羟基苯甲醛合成一种新西佛碱(H2L)，并用此配体制备8个稀土配合物，通过元素分析、红外光谱、核磁共振、热分析、摩尔电导和溶解性试验对配合物进行了表征。

Samarium complex of this ligand [SmL(NO3)]NO3·2H2O has been prepared and characterized by elemental analyses, IR, UV and molar conductance.

在异丙醇和甲醇体系中硝酸钐与该配体反应合成了一种稀土希夫碱配合物[SmL(NO3)]NO3·2H2O。

Chapter 2: Four sulfur-containing D-glucosamine metal complexes have been synthesized M-GLUS,M = Co, Cu, Ni, Zn）and characterized by elementary analysis, molar conductance, and proton nuclear magnetic resonance.

第二章：合成了四种含硫氨基葡萄糖金属配合物（M-GLUS，M = Co， Cu， Ni， Zn），利用元素分析，摩尔电导，核磁共振氢谱进行了结构表征，结果表明含硫配体与这四种二价金属离子均形成了2：1型非电解质配合物。

The structures of ligand and the complexe were characterized by IR,UV and element analysis,and molar conductivity of silver complexe was determined.

通过红外光谱、紫外光谱、元素分析等手段对配体及配合物的结构进行了初步表征。测定了银配合物的电导性能。

Two novel Schiff-base ligands containing ferrocenyl and their transition metal complexes were synthesized and characterized by 1H NMR, IR, elemental analysis, thermal analysis and molar conductivity measurements.

合成了两个新型含有二茂铁基的Schiff碱配体及其8种过渡金属配合物，并通过1H NMR，IR，元素分析，热分析和摩尔电导对其结构进行表征，提出了配合物的可能结构。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。