查询词典 formaldehyde

The reaction conditions of methanol dehydrogenation to water-free formaldehyde was studied in a 16mm diameter fixed bed ceramic tube reactor,using Na_2CO_3 as catalyst,which was prepared by different ways.

在一个内径为16mm的固定床陶瓷管反应器中，研究了用不同方法制备的碳酸钠催化剂催化甲醇脱氢制无水甲醛反应的工艺条件。

Aim To study on properties of modified urea-formaldehyde resin.

目的研究三聚氰胺改性脲醛树脂胶粘剂的性能。

The theoretical researches on urea-formaldehyde resin and its practice in wood industry were reviewed in detail.

对脲醛树脂的理论研究及其在木材工业中的实际应用进行了较全面的概括和评述。

The development of environmentalfriendly urea-formaldehyde resin adhesive in the future was proposed.

提出了发展绿色环保型脲醛树脂胶粘剂的总体趋势。

Some conditions of depositing urea-formaldehyde resin onto the surface of red phosphorus by in-situ polymerization were studied in this paper.

研究了脲醛树脂的预聚物通过原位聚合对红磷进行包覆的一些影响因素。

Some problems cxisted in the synthesis and producttion of urea-formaldehyde resin was discussed on theory and practice.

本文真对脲醛树脂合成与生产中存在的几个问题，从理论和实践上进行了讨论。

With application of nuclear magnetic resonance in structure researching of urea-formaldehyde resin,minor structural differences can be clearly distinguished.

在将核磁共振应用于脲醛树脂的结构研究之后，区分了结构上的细微差别。

Study on the kinetics of urea-formaldehyde resin synthesis［J］.

尿素和甲醛合成脲醛树脂粘合剂的动力学研究［J］。

This paper describes intensity property of joined timber with urea-formaldehyde resin.

本文描述了脲醛树脂胶指接材的强度性能。

Effect of organic fillers added to Urea-formaldehyde resin adhesives on shear strength and water-resistance was discussed.

主要研究了有机填料对脲醛树脂胶的剪切强度、耐水剪切强度的影响。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。