甲醛的例句大全

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.

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.

Sulfur dioxide and formaldehyde both produce irritation.

二氧化硫和甲醛都可产生刺激.

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.

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.

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.

Formaldehyde slowly inactivates many viruses.

甲醛能慢慢使多种病毒失去活性.

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.

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.

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.

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.

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.

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.

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.

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.

These results indicate that formaldehyde fixed tissue are applicable to in vitro receptor autoradiography.

这些结果提示，甲醛固定的组织可用于进行体外受体放射自显影研究。

The production procedure of polyvinyl acetate latex paint in polyvinyl formal solution was studied.

研究了在聚乙烯醇缩甲醛溶液中制备聚醋酸乙烯酯乳胶漆的方法.

The acute-inflammation was examined in rats whose auricles and intracutaneous suffered from xylene respectively and mice whose planters swelling was induced by formaldehyde and agar.

方法：采用小鼠耳廓肿胀法、皮内染料渗出法、甲醛和琼脂所致大鼠足跖肿胀法以及棉球肉芽肿胀法，观察甘氨胆酸的急慢性炎症反应。

Diagnosis on formaldehyde aerial contamination in newly decorated houses in Longyan

龙岩市新装修房室内空气中甲醛污染调查分析

Determination of Formaldehyde in Soaked Food by Acidimeter

酸度计法测定水发食品中甲醛的含量