查询词典 phenolic

Although sulfuric group can ionize at any pH value, but the ionization degrees of carboxylic and phenolic group in the solutions increase with increasing pH values.

磺酸在所有pH范围完全电离，但羧酸和酚羟基的电离程度随溶液pH降低而减少。

There are a mass of phenolic compound, polysaccharides and other secondary metabolites in ligneous plant, which influence the yield and quality of genome DNA while being extracted.

木本植物体内含有大量的酚类、多糖等次生代谢物质，严重影响提取其基因组DNA的得率和纯度。

To obtain resin matrix of friction material with high-quality, linseed oil was used to modify phenolic resin.

利用亚麻油改性酚醛树脂，得到高性能的摩阻材料用树脂基体。

Despite the many advantages over asbestos-based friction material, thermal decomposition or liquescence of phenolic resin due to frictional heating can cause semi-metallic friction material to fade away (a phenomenon of friction decline with operation time).

中文摘要半属基摩擦材主要是使用一种或多种耐热的树脂(以酚醛树脂最为广泛使用)为基材，添加各属粉末或纤维以强化基材，并添加润剂、摩擦调整剂等增加材的磨耗性能，其成份中通常含有超过50 wt%的属成份。

The research aimed to study the phenolic compounds in Canarium album Lour.

［目的］分析研究橄榄果实中酚类化合物。

For example phenolic compounds lysine, it can prevention cancer.

例如酚类化合物赖氨酸，它可以预防癌症。

The catalysis of some mimetic models of natural peroxidase in the phenol and phenolic derivant oxidation was investigated.

研究了多种过氧化物酶的模拟酶对酚类氧化反应的催化作用。

2 If the cord hole is in wood, porcelain, phenolic composition, or other acceptable nonconducting material, a smooth, well–rounded surface is considered to be equivalent to a bushing.

11.4.2 如果线孔是在木板、陶瓷、树脂成份或其他可接受的非导体材料上，并具有光滑表面则认为等同护线套功能。

In this paper,the expandable phenolic resin was synthesized by paraformaldehyde and phenol in the presence of aqueous NaOH.

以多聚甲醛和苯酚为原料，合成了适用于酚醛膨胀体制备的酚醛树脂。

The thermoset phenolic resin was synthesized by all the waste water from the former process, paraformaldehyde and phenol.

以上述热塑性酚醛树脂生产中排放的全部废水、多聚甲醛、苯酚为原料可以合成多种用途的热固性酚醛树脂。

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。