配体

These results suggest that SH-containing ligands is not the main chelator of Zn/Cd in the hyperaccumulating ecotype of Sedum alfredii H.

以上结果提示：含硫有机物不是东南景天Zn/Cd超积累的主要配体，GSH主要是解除体内游离态Zn/Cd的毒性；增加硫元素的供应时提高Zn/Cd的积累有一定作用。

All the chelators are labeled with technetium-99m and further tested for the biological activity in mice.

采用葡庚糖酸钙交换法对 4个配体进行了99Tcm 标记，研究了配合物在小鼠体内的生物分布特征。

The study of plating process showed the influences of bath components, such as complexing agent and reducing agent, and operation conditions, such as pH value and temperature, on deposition rate.

对镁合金化学镀镍工艺的研究表明，镀液组成如配体浓度、还原剂浓度和操作条件如pH值、温度等影响镀液的沉积速度。

Methods Radio-immunological method and radioligand combination were used to determine the contents of plasma cortisol and the GR contents of blood corpuscles of 25 MS cases.

方法用放射免疫法和放射配体结合法测定25例MS患者的血浆皮质醇含量和血白细胞GR含量。

The calculated results of present work show better agreement than those of the previous studies with the observed values. It can be found that the contributions to the EPR parameters from the ligand orbitals and spin-orbit coupling interactions cannot be neglected for the systems with significant covalency.

理论结果与实验符合得很好，且比前人的计算，尤其是g和A有明显的改进，说明对这类共价性较强的体系，配体轨道和旋轨耦合作用的贡献不能忽略。

In addition,the spectra and the g factor of GaP∶Co2+ crystal also are analyzed,the results show that,for the strongly covalent of GaP∶Co2+ crystal,it is not reasonable to neglect the covalency and the contribution due to the s.o.coupling of the ligand ion.

本文结果表明，由于GaP∶Co2+晶体共价性很强，再忽略共价性及配体旋轨耦合的贡献是不合理的。

The dependences of third-order optical nonlinear on the molecular structures of polymethine cyanines were thoroughly analyzed by introducing the simplified free electron model and the time-dependent perturbation theory.

对咔唑羰基铬配合物还观察到了来自金属到配体的电荷转移特征吸收带；(3)采用皮秒前向简并四波混频技术测试了所有目标分子的三阶非线性极化率、二阶超极化率以及非线性折射率等非线性光学参数。

After binding with ligands, the RTKs would dimerize, simultaneously autophosphorylated and activated and then trigger the downstream signaling pathway.

大量工作表明，配体与受体结合，引起受体的二聚化并同时激活受体后，受体可结合大量的信号蛋白分子，如接头蛋白、入坞蛋白或各种调节蛋白等。

Uponligand stimulation,c-kit receptors dimerize,activate its intrinsic tyrosine kinase,andautophosphorylate.

在配体的刺激作用下，c-kit受体发生二聚化，激活内源性酪氨酸激酶，并发生自身磷酸化。

First, the significant of co-factor InsP6 and center water in the mechanism of auxins are explored by docking; second, the experiments that compared with the docking rusults of two situations involving fully rigid and selective flexible of active residue of the receptor TIR1 illuminate that selective flexibility docking by AutoDock4 reports more rational results, so that, AutoDock4 dockings are implemented with TIR1-Auxins; third, AutoDock4 docking by TIR1-Auxins-Aux/IAA illuminates that auxin as a molecular glue enhances the interaction between TIR1 receptor and Aux/IAA substrate by the weak interactions, such as hydrogen bond and hydrophobic interaction, furthermore, the weak interactions between receptor protein and ligands greatly influence on auxin activity of auxin ligands.

首先， 通过分子对接计算研究辅酶InsP6以及中心水分子在生长素反应中的重要作用；其次，比较受体大分子完全刚性以及活性残基部分柔性的两种情况下的分子对接结果，说明AutoDock4实现了受体分子活性残基的部分柔性而使对接结果更加合理，进而使用AutoDock4方法对TIR1-Auxins体系进行对接计算；最后，对TIR1-Auxins-Aux/IAA体系进行分子对接计算，结果表明，生长素配体分子作为&分子胶水&直接与受体大分子TIR1以及底物多肽Aux/IAA形成强的弱相互作用，如氢键作用、疏水相互作用，促进了受体TIR1与Aux/IAA底物之间的结合，进而说明氢键作用和疏水相互作用等弱相互作用对于生长素分子的活性具有很大的影响。

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。