Disodium ethylenediamine tetraacetate is a good sequesterant.

Synthesis of Benzylidene-β-D-glucosamine Tetraacetate

苯甲醛缩-β-D-氨基葡萄糖四乙酸酯的合成

互联网摘选

Salidroside was synthesized by first preparing the intermediate, salidroside tetraacetate ( using tyrosol as starting material), and then deacetylizing it.

红景天甙以酪醇为原料，经制得中间体四乙酰基红景天甙后，再脱乙酰基合成而得。

互联网摘选

Study on the two methods for determination of Sodium Iron(ⅲ) Ethylenediamine tetraacetate in Iron Fortified Salt

两种铁强化食盐中乙二胺四乙酸铁钠的检测方法研究

互联网摘选

A study of oxidation of β-pinene with lead tetraacetate

β-蒎烯四醋酸铅氧化反应的研究

互联网摘选

The Application of Lead Tetraacetate in Indirect Organic Electrochemical Synthesis

四醋酸铅在间接有机电合成中的应用

互联网摘选

This paper presents a single-locus tetra-allelic binary Genetic Algorithm based on the concept of dominant and recessive genes, which is named Full Dominance-Recessive Diploid GA.

基于生物进化遗传理论中有显性、隐性遗传因子的理念，本文提出了一种采用单点四进制编码的遗传算法，即完全显隐性二倍体遗传算法。

互联网摘选

RP-HPLC determination of related substances of tetra-acetylated puerarin

RP-HPLC检测四乙酰基葛根素原料药中的有关物质

互联网摘选

Synthesis and anti-inflammatory activities of aryl alkyl acid NSAIDs tetra-acetylated glucoside derivatives

芳基烷酸类NSAIDs四乙酰基葡萄糖衍生物的制备及抗炎活性

互联网摘选

OBJECTIVE Study effect of tetra-acetylated puerarin on isolated rats thoracic aortic rings and it's mechanisms.

目的：研究红景天苷对胸主动脉环的舒张作用并探讨其可能的机制。

互联网摘选

Preparation of tetra-acetylated puerarin double-layer tablets and evaluation of its release characteristics

四乙酰基葛根素双层缓释片的制备及体外释放研究

互联网摘选

Objective To study the tetra-acetylated puerarin double-layer tablets and evaluate its release characteristics.

目的研制四乙酰基葛根素双层片并考察其体外释药特征。

互联网摘选

Study effects of Tetra-acetylated Puerarin on Isolated Rat Thoracic Aortic Rings

四乙酰葛根素对离体大鼠胸主动脉环作用初步研究

互联网摘选

This indicates that it has practical significance to investigate this system. Firstly, we introduce the basic concepts, characteristics and the progress of the research of the tethered satellite formation in this dissertation. The significance to study the triangular tethered satellite has also been discussed.

本文首先介绍了绳系卫星系统的基本概念、特点及其研究进展，讨论了研究三角形绳系卫星的意义等。

互联网摘选

The plane swing and longitude vibration of the tethered satellite system are discussed in this paper. By the analytical method of Melnikov and numerical calculation of Poincare section, it is observed that the system may perform a chaotic motion.

讨论了绳系卫星的纵向振动与姿态运动的耦合.利用Melnikov方法和Poincare截面的计算，证明卫星摆动具有不可预测的混沌行为。

互联网摘选

It is observed that results from the critical stabilization must be applied in the construction of the stabilizing law for a tethered satellite system when the tether is assumed rigid and massless.

当拴连卫星系统的拴连约束假设为刚性且无质量时，在构造镇定律时，必须应用有关临界镇定的一些结果。

互联网摘选

An orbit-transfer scheme of a tethered satellite system ( TSS) without the retrieval of the sub-satellite is discussed.

讨论了不必回收子星的二体绳系卫星系统（TSS）的变轨方案。

互联网摘选

As a illustration example, the tethered satellite system as well as in-orbit spacecraft rendezvous are simulated by the algorithm.

最后以系绳卫星系统和飞船交会为例完成了计算机模拟。

互联网摘选

In order to simplify the control of tethered satellite system ( TSS), a new design method was proposed by upgrading the existing methods.

为了简化绳系卫星系统（TSS）的控制，对已有的设计方法进行了改进，提出了一种新的控制律设计方法。

互联网摘选

The Calculation of the Orbital Parameters of a Tethered Satellite System after Tether Deployment and cut-off

绳系卫星系统系绳展开及剪断后轨道参数的计算

互联网摘选

The two dimensional orbit of the tethered satellite that in one plane is studied and the analytic solution is given.

研究了二维的子星轨道的问题并给出了解析解。

互联网摘选