Azomethine H Spectrophotometric Method for Determining Boron in Humic Fertilizer is described.

本文介绍了采用甲-H分光光度法分析腐植类肥料中元素硼的方法。

The constituent and properties of the meltable polyimide adhensive and others are introduced.

本文介绍了可熔性聚酰胶粘剂与其他二种胶粘剂的结构及使用特点。

This paper describes a new crosshatching technology on PI flexible substrate, using chemically etching method.

本文介绍一种在挠性聚酰基材上开窗口的新工艺。

Epoxides, episulphides and ethylene imines also polymerize via similar cyclic onium ion mechanisms.

环氧合物，环硫合物和乙烯也可以按类似于环氧?睦胱拥幕?理进行聚合。

METHODS The title compound was synthesized from phthalimide by oxidation with sodium hypochlorite.

方法以邻苯二甲酰为原料经次氯钠氧合成目标合物。

A new kind of bismaleimide resin system which can be easily dissoled in aceton is prepared.

研制了具有良好溶液性质的双马来酰树的新方法。

Dicyclohexylcarbodiimide (DCC) is widely used in the reaction for synthesis of esters and amides as a condensation agent.

二环己基碳二(DCC)是酯、酰等反应常用的一种脱水剂,采用DCC脱水缩合,反应条件温和,合成收率通常较高。

A series of novel purpurin-18 imide derivatives which had long wavelength absorption, were synthesized by modification of methyl pheophorbide-a.

合成的一列红紫素-18酰衍生物具有长波长的紫外吸收。

As the isocyan group is polymerized further, diphenyl carbondiimine may be formed, further polymerization of which forms a nitrogen-containing polycyclic aromatic compound.

异氰基合物进一步二聚成二苯基碳二，后者又聚合生成含氮杂环的多环芳烃。

Thermogravimetry analysis(TGA) and Dynamic Stress Rheometer(DSR) were used to measure the conversion and viscosity changing with time during the thermopolymerization to form polythioetherimides.

用热重分析仪(TGA)和动态应力流变仪(DSR)分别测量了聚硫醚酰热聚合反应过程中转率和粘度随时间的变。

The most commonly used method for the covalent binding of biomolecules onto 1-D nanostructures is through the diimide-activated amidation of carboxylic acid terminated nanostructures.

最常用的方法是通过端羧基纳米结构的二酰活氨基合物来进行生物分子与1-D纳米结构的共价结合。