查询词典 phenols

E. phenols, phenolic and benzenecarboxylic acids, at ambient temperature and in the absence of catalysts.

实验结果证明，TMT能定量地和选择性地与pH的酸性基团起反应。

It is a kind of correct as well as rapid way to determine the total phenols content in tobacco leaves by means of Folin method .

用福林法测定烟叶中总酚的含量是一种既正确又快速的方法。

It is believed that the answer to these findings lies in the antioxidant② effect of phenols③ which are found in chocolate.

研究者相信这个答案在于存在与巧克力中的酚的抗氧化剂的作用。

Additionally, phenols were produced for cooling oil in air at the same temperature.

除此之外，冷却油在空气环境中还裂变产生了酚类化合物。

The experimental results show that at pH 6,the recovery of phenols is 76.6%and of aromatic amines is 64.7%.

实验结果表明，在pH值为6时萃取水样，氯仿-乙醚对苯酚、苯胺的萃取回收率分别为76.6%及64.7%。

There was positive correlation between the content of phenols and the damage degree by Apriona germari.

总酚含量与桑天牛的危害程度也呈正相关关系，方差分析达1%显著水平。

Oxidation and polymerization of phenols do affect the taste and color of wine s white wine , cider, etc.

酚类物质的氧化聚合对果酒的口感和稳定性均有影响。

Kinds of physicochemical parameters of phenols were calculated using many softwares.

采用多种软件计算了酚类化合物的11种理化参数。

Objective To select efficient strains of degradation phenols to provide the biodegradation methods for Phenol environment-pollution control.

目的 选育高效降解苯酚菌株，为环境酚污染的治理提供生物降解方法。

The toxicity of phenols varies with the kind,number and position of substituents at the same pH.

虽然两种形态均可对生物产生毒性，但分子态的毒性贡献更大些[2]。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。