查询词典 derivative

In this paper, a method of analysis which was based on thin layer chromatography was introduced. Benzimidazole derivative and amine were separated at first.

文中采用薄层层析法分离苯并咪唑衍生物及杂质，首先分离出苯并咪唑衍生物，然后用非水滴定方法分析含量，得到了准确的分析结果。

Amiodarone, an iodinated benzofuran derivative, is frequently used for the treatment of cardiac arrhythmia.

Amiodarone是一种iodinated benzofuran的衍生物，常用於治疗心律不整。

Palladium Catalysis Regioselective Benzofuran Derivative Synthesis; Novel Metal Free Organic Dyes for Dye-Sensitized Solar Cells

论文名称钯催化呋喃衍生物结构异构物的选择性合成；新型有机染料对於染料敏化太阳能电池

It is first discovered that guazatine can react with benzoin and its derivative has strong fluorescence.

首次发现双胍辛胺与安息香可发生反应，产物具极强的萤光活性。

By making use of the property that the zero-order Bessel function's derivative J′0(0)=0, the DQDHT can calculate the values on the symmetry axis directly.

通过利用零阶贝塞尔函数导数在零点处为零的特性，所提出的准离散汉克尔变换算法可以直接计算光束传输时对称轴上的值。

A new calculating model is proposed to analyse the single mode fiber biconical couplers and the derivative devices.

提出了一种分析熔锥光纤定向耦合器及其衍生器件的新数理模型。

In Part I, the biharmonic equation are chosen, and the boundary peanlty finite method using piecewise cubic Hermite elements is used to seek their approximate solutions, in particular satisfying the derivative and periodical boundary conditions.

在第一部份里，选择使用片断三次 Hermite元素的边界惩型有限元素法来求解满足边界导数条件和边界周期条件的重调和方程式的近似解。

In this article,the synthesis method of Phenanthraquinone is discussed and five main methods are compared,such as the method of using biphenyl and derivative of diphenylethane and the method of Diels-Alder and rearrangement as well as the direct oxidation.

本文对菲醌的合成方法进行了综述并对其几种方法作了比较，其合成方法主要有以联苯及二苯乙烷衍生物为关键中间体的方法、以Diels-Alder及重排反应为关键步骤，以及直接氧化等五类合成方法。

With the introduction of the Bora Variant in the year 1999 the Bora series was broadened by a derivative.

随着宝来变在1999年的宝来系列的推出是扩大了衍生工具。

We apply not only the Bouguer gravity anomaly data but also the first derivative of the Bouguer gravity anomaly.

在应用布格重力异常数据的同时，还应用了布格重力异常一阶导数。

The shaping method of noncircular part and the tool holder's radial motion characters in noncircular turning process are discussed in detail in the thesis.

论文详细研究了非圆零件的成型方法和加工过程中刀架的径向运动规律。

I have not really liked him,I do not like his this kind of disposition.

我没有真的喜欢他，我不喜欢他的这种性格。