elementary analysis

A latent curing agent of epoxy resin was synthesized and characterized by elementary analysis and TG.

采用乙二胺与丙烯酸甲酯在乙醇中反应合成了一种具有潜伏性的环氧树脂固化剂.

A convenient calculation method in the titrimetric analysis by setting the elementary entity on the basis of National standards was mainly introduced.

介绍了一种利用国家标准来确定滴定分析中的基本单元，并列式计算的简便方法。

Elementary Analysis on the Method of Newton's Mechanics and Analytical Mechanics in Theoretical Mechanics

理论力学中的牛顿力学与分析力学方法之浅析

The structures of these compounds were characterized by elementary analysis, IR and 1 HNMR.

通过元素分析 、 IR和1HNMR确证了化合物的结构.

Using the elementary theory of strength of materials, an analysis on mechanics of the tennis racket of composites has been presented. The corresponding test of the tennis racket has been designed and carried out.

本文用材料力学方法分析了复合材料网球拍的力学问题，设计监进行了相应的网球拍试验。

These compounds were characterized by IR, 1 HNMR and elementary analysis.

这些化合物均被1HNMR、IR和元素分析证实.

The structures were characterized by elementary analysis, IR and 1 HNMR.

它们的结构经元素分析 、 IR和1HNMR表征.

Meanwhile, the structure of 3-( 2'-carboxyethyl) benzo [ b] thiophene was confirmed by testing melt point, NMR, Mass Spectrometry and elementary analysis.

并经熔点测定，1H-NMR、13C-NMR、质谱及元素分析，表征其合成得到的3（2′羧乙基）苯并噻吩的结构。

The compositions and structures of compounds were characterized by IR, and elementary analysis.

其组成与结构经红外光谱及元素分析表征.

Results and Conclusion: 3 compounds were identified by elementary analysis and IR spectra.

结果与结论: 其结构经元素分析、IR的验证,三种化合物均未见文献报道.

The product TMP was verfied by IR spectrum and elementary analysis.

产物经红外光谱和元素分析确定.

Its structure identification data are provided by elementary analysis, FT-IR and � � HNMR.

通过元素分析, 红外光谱和核磁共振谱提供了其结构表征数据.

Their structures were characterized by elementary analysis, IR and � � HNMR.

它们的结构经元素分析 、 IR和′HNMR表征.

And their structures were confirmed by IR, HNMR and elementary analysis.

并经IR 、 HNMR、元素分析等方法确定了所合成化合物的结构.

The structure of product was proved by IR and elementary analysis.

经IR、元素分析证实了其结构。