查询词典 conjugate complex

In this chapter, the folate-EDA was covalently connected with heparin- campotothecin by carbodiimide activation to get a folate-heparin-campotothecin conjugate.

以乙二胺作为连接臂，通过酰胺键将氨基化的叶酸与肝素-喜树碱复合物连接起来，制备了一种叶酸偶联的肝素-喜树碱复合物。

Applying the conjugate gradient method, an iterative algorithm is presented to solve the constrained matrix equation AXB+CXD=F over centrosymmetric matrix X and its optimal approximation.

应用共轭梯度思想，给出了求解约束矩阵方程AXB+CXD=F的中心对称解及其最佳逼近的迭代算法。

We also studied the enantioselective conjugate addition of chalcone in the presents of chiral Ni2 aminoalcohol complexes.

我们还研究了手性氨基醇配体/镍盐催化的a，β-不饱和酮的不对称迈克尔加成反应，以及酰腙的不对称烯丙基化反应。

New flexible ligand derived from this achiral biphenylbackbone was applied in Cu-catalyzed enantioselective 1,4-conjugate additionsof Et_2Zn to chalcone.

进一步衍生得到的非手性联苯型P，N 配体，在Cu催化Et_2Zn对查耳酮的1，4-共轭加成反应中也进行了考察。

In the Cu-catalyzed enantioselective 1,4-conjugate addition of diethylzinc to acyclic enones, the reaction conditions, such as the amount of diethylzinc, solvents, temperature and the reaction time, were investigated in detail with 9a as the standard ligand and chalcone as the typical substrate.

考察了Et_2Zn量、溶剂、反应温度和反应时间等因素对反应的影响，得到了配体与Cu的摩尔比为2.5、1.5倍Et_2Zn用量、甲苯为反应溶剂、-20℃下反应6小时为不对称催化1，4-共轭加成的优化反应条件。

To improve detection efficiency and result accuracy, we developed an improved multiplex PCR technique for specific detection of GMO.①The assay strategy involves multiplex PCR amplification of the target with several biotinylated primer pairs in one tube, followed by the hybridization of multiplex PCR products and membrane-bound oligonucleotide probes. The multiplex PCR/probe hybrid is detected colorimetrically using an alkaline phosphatase conjugate and a chromogenic substrate.

在多基因定性检测技术方面，本文在优化并确定了多基因PCR反应条件的基础上，采用了两种方法对多基因PCR产物进行鉴定：①采用共价结合方法将多个探针固定在Biodyne〓C膜上，将5'端标记生物素的多基因PCR产物与膜上的探针进行杂交及显色反应，首次建立了GMO的多基因PCR-膜相杂交检测方法，实现了一个反应体系中同时检测多种转基因成分的目标，提高了检测效率与准确率。

A possible configurate to improve the absorption efficiency of the pump energy has been proposed. With the theory of four waves mixing, we have demonstrated this scheme. By introducing the scheme into self-pumped conjugater, the performance of diode laser array with self-pumped conjugate was enhanced, the usage of incident light was improved apparently.

利用双四波混频作用区理论分析了该配置方式的合理性，并把这种配置方式引入到自泵浦相位共轭镜中，对整个利用自泵浦相位共轭镜的半导体激光器列阵实验方案进行了改进，从而显著提高了入射光束能量的利用率。

First, based on quadratic model and Perrys conjugacy condition, two new formulas of the main parameter β_k of conjugate gradient method are proposed.

第一，本文基于二次模型及Perry提出的共轭性条件，导出共轭梯度法的主要参数β_k的两种新形式。

In this paper, the principle of sell-pumped conjugator has been introduced and some parameters which effect the conjugate efficiency have been discussed, the experiment scheme using self-pumped eonjugater to improve the output quality of diode laser array has been discussed.

通过介绍自泵浦相位共轭镜的工作原理，针对影响共轭效率的参数进行了讨论，列举了采用自泵浦相位共轭镜改善激光列阵光束输出质量的多种常用实验方案，并总结了这些方案的优缺点。

Retroreflector array is used as pseudo phase conjugator in the system. The fidelity of the conjugate wave and matching problem of the retroreflector array and Hartmann-Shack wavefront sensor is discussed. Several data fusion methods are presented in order to having two Hartmann-Shack wavefront sensors control one set of wavefront corrector. The misalignment errors of Hartmann-Shack wavefront sensor and arrangement errors of wavefront sensor and deformable mirror are analyzed. At the same time, numerical work based on the data of practically system, such as 61 element AO system, are done corresponding to the problem respectively and the results are given.The system of CP/CM AO is setup to fulfill all the functions.

针对不同的应用环境，提出了四种CP／CM衍生光路；进行了关键器件——角反射器阵列的保真度分析，给出了角反射器阵列作为伪相位共轭器件，与哈特曼—夏克波前传感器的匹配条件，认为角反射器阵列的布局要与哈特曼波前传感器的微透镜阵列布局完全对应，才能达到最优探测效果；提出了四种双哈特曼传感器控制一套波前校正器的数据融合方式，并逐一进行了分析，认为加修正因子斜率融合和电压融合方式在目前工程中是适用的，并进行了相应的数值模拟；给出了哈特曼传感器自身的调整误差分析过程，得到了误差可通过常规标定消除的判断依据；通过数值计算，得到了常规自适应光学系统和CP／CM系统哈特曼传感器和变形镜的对准误差对系统性能的影响，给出了两种系统对于不同对准误差情况下校正效果的变化情况和相应系统容限；以37单元自适应光学系统为基础，搭建了CP／CM自适应光学系统光路，并完成了系列CP／CM功能实现实验，运用双哈特曼传感器数据融合，成功实现了CP／CM自适应光学系统的闭环实验。

We are forbidden from giving money to these shoeless, skinny children, as this will perpetuate begging.

向光着脚，骨瘦如柴的孩子施舍是不可以的，因为要招来无休无止的乞讨。

It would be hard not to fall victim to some sharpeyed policeman.

要想不被某个目光锐利的警察抓到，谈何容易。