查询词典 synthesis

The recent advances in the synthesis and application of benzimidazoles and their derivatives are reviewed in this paper.

从该类化合物的合成与应用两个方面综述了近年来该领域的重要研究成果。

Preston Scott Cohen's work is known for its synthesis of architectural typologies, descriptive geometry, and digital media.

Preston Scott Cohen 的作品融合了建筑类型、叙事性的几何结构和数字媒体并以此闻名。

Volumetric errors under different temperature conditions are measured by the sequential step diagonal measurement method, and the variation curves of the 9 synthesis errors are obtained.

通过使用可以快速测量空间定位误差的分步体对角线测量方法，在不同的温度条件下对数控机床进行了误差的测量，得到了机床9项位置误差随温度变化的曲线。

A new sequential step diagonal measurement method has been proposed based on the conventional diagonal measurement. In this method, the error in three axis directions can be divided 9 synthesis errors and they can be identified based on the values measured along four body diagonals.

通过对三个坐标轴方向的误差进行矢量分解，在现有的体对角线方法的基础上，提出了一种改进的分步体对角线测量方法，这种方法通过分步测量机床工作空间的四条体对角线可以快速获得分解后得到的9项位置误差。

The invention relates to a synthesis method of aromatic diamine monomers, in which object products are obtained by condensation and reduction.

本发明涉及芳香族二胺类单体的合成方法，通过缩合、还原得到目的产物。

A kind of new diamine monomer of modified polyimide with piperazine was synthesized, which has been used in the synthesis of modified polyimide by ternary copolymerization .

合成一种含哌嗪的芳香族二胺单体，将其用于聚酰亚胺的三元共聚中，并制成改性聚酰亚胺膜。

In this paper, the synthesis of alkyl-guanidine sulfate s and its flotation properties to diaspore, kaolinite, pyrophyllite and illite have been started.

本文系统地研究了烷基胍硫酸盐系列捕收剂的合成方法及其对一水硬铝石、高岭石、叶蜡石和伊利石的浮选性能，通过矿物的接触角测量、ζ-电位测定和红外光谱分析等手段，探讨了烷基胍类捕收剂与铝硅矿物的作用机理。

Students should grasp the classification of the nitration reactions and its industrial application, the main nitration reagents and the nitration method, the classification of the sulfonation reactions, the function of sulfo group and its in the industrial application, sulfonating agents and its industrial application, the separation method for the sulfonated compounds, the widespread applicationof diazonium and the coupled reactions and its in the industry specially employed in the dyes and the pigments synthesis

掌握硝化反应的分类及其在工业上的应用。掌握主要的硝化试剂和硝化方法。掌握磺化反应得分类、磺酸基的作用及其在工业上的应用。掌握磺化剂其在工业上的应用。了解磺化物得分离方法。掌握重氮化及偶合反应及其在工业上特别是在染料和颜料合成中的广泛应用。

The present invention is the biological diesel oil preparing process in the field of biological oil synthesis.

本发明公开了属于生物油料合成领域的一种生物柴油的制备方法。

Synthesis and analysis of complete antigen of diethylstilbestrol

这种类型的曝气池与二次沉淀池可分建或合建。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失