The material is readily prepared by reaction of formaldehyde and hydrazine.

这种物质很容易由甲醛和肼反应而得到.

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Formaldehyde slowly inactivates many viruses.

甲醛能慢慢使多种病毒失去活性.

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Sulfur dioxide and formaldehyde both produce irritation.

二氧化硫和甲醛都可产生刺激.

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Based on the reactions , this paper reports research for synthesizing benzaldehyde.

简要介绍以此类方法对合成苯甲醛的研究.

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Objective To explore the mechanism of formaldehyde ( FA ) inhalation induced lung injury.

目的探讨甲醛中毒的肺脏损害机制.

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Add 2 ~ 8 C 1 % polysorbate 1.0 ml and mix them again.

加人预冷2一8℃的1%多聚甲醛1.0毫升并混匀.

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Silver - coated carbonyl iron powder was prepared by using electroless plating method.

用化学镀法,甲醛为还原剂,制备镀银羰基铁粉.

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Second - hand contains carbon monoxide, ammonia, formaldehyde a pyrene and nitrosamines.

二手烟包含了一氧化碳, 氨, 甲醛,苯和亚硝胺.

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This product with Br 2 was obtained 2 - bromo - 4,5 - hydroxymethoxybenzaldehyde through bromination.

再溴代得到2-溴 -4,5-二甲氧基苯甲醛,收率为91.9%,并分析溴代过程中甲酰基的邻位效应及溴代产物的稳定性.

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The distribution is the key factor which influences the formaldehyde thickness distribution.

分析了气流组织对甲醛浓度分布的影响.

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The absorption of modify hide glue on formaldehyde gas was researched.

初步探讨了改性皮胶对甲醛废气的吸附性能.

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You know, artificial boards are a source of the pollutant formaldehyde.

你知道, 人造板材是污染物甲醛的来源之一.

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Cu furaldehyde - diamine Schiff base complex was synthesized with the yield of 63.

合成了一种席夫碱金属络合物——呋喃甲醛乙二胺铜络合物,收率为63.

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Formaldehyde and distillation are the nitrogen determination methods in the sample.

甲醛法与蒸馏法是测定样品中氮含量的方法.

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The indoor air formaldehyde pollution has some adverse effects on human health.

室内空气甲醛污染严重危害人体健康.

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