查询词典 derivative

Objective: To test the conceptive and anti-HIV-1 activity of a new cholate derivative, deoxycholytyosine by replacing the side chain of sodium deoxycholate with tyrosine.

目的：检测自制的避孕型杀微生物剂的候选化合物脱氧胆酰酪氨酸(deoxycholyltyosine， DCT)体外杀精和抗HIV活性。

The MIC of induced fluconazole less susceptible derivative to Citral was also measured.

柠檬醛不易产生耐药性，且对氟康唑敏感性下降的诱导株仍敏感。

The rubber compound comprises a rubber which has at least two functional groups which can be cross-linked by hydrosilylation, a cross-linking agent consisting of hydrosiloxane or a hydrosiloxane derivative or a mixture of several hydrosiloxanes or derivatives, which comprise at least two SiH-groups per molecule in the centre, a hydrosilylation catalyst system, at least one filling material and a coagent which can be cross-linked by hydrosilylation.

为此该橡胶混配物包括：具有至少两个可通过氢硅烷化交联的官能团的橡胶；作为交联剂的氢硅氧烷或氢硅氧烷衍生物或者由数种氢硅氧烷或其衍生物组成的混合物，所述氢硅氧烷或其衍生物平均每个分子具有至少两个SiH基团；氢硅烷化催化剂体系；至少一种填料；和可通过氢硅烷化交联的助剂。

It was discovered in the late nineteenth century as a derivative of toluene (a solvent derived from coal tar).

它是于十九世纪后期作为甲苯（一种煤焦油的可溶的衍生物）的一种衍生物被人发现的。

What do you think was the main cause of the COE's derivative losses?

你认为央企衍生品亏损的主要原因是什么？

The derivative of the composite function is the product of the derivatives of the components.

复合函数的导数是构成函数的导数之积。

According to calculations for the partial derivative of compound function, derivatives of perimeter are deduced.

在每轮优化迭代步中，根据当前结构周长值确定周长上限值，从而避免基于数值实验的周长上限确定过程。

The first and second derivative plates of concave pressure build-up curve are presented in this paper.

本文提出了凹型压力恢复曲线的一阶导数图版和二阶导数图版。

The observed pressure derivative curve shows a concave shaped curve like a dual porosity behavior, but the curve never reaches the second flat state.

观察到压力导数曲线呈凹状曲线就像一个双重介质行为，但该曲线从未到达的第二个单位。

Inequality proof of various ways, they were: use derivative testify inequality nature, Includes using functional monotonicity and extreme value, the function and the concave and convex inequality, proving is concave and convex function in the original definition of equivalent definitions and a lemma is proposed on the basis of relevant concave and convex function of several theorems about inequality, and briefly discusses how to use the definitions and theorems in proof of inequality.

不等式的证明方法多种多样，它们分别是：用导数性质证明不等式；包括利用函数单调性，极值与最值，函数凹凸性证明不等式，其中在给出凹凸函数原始定义等价的解析定义和一个引理的基础上提出有关凹凸函数关于不等式的几个定理，并简要阐述了利用定义和定理在证明不等式中的运用。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。