查询词典 phenol-phthalein

Here, we synthesize the derivatives of α-amino acyl phenol.

本文要合成的是α-氨基酰苯酚衍生物。

The produced compound pipe materials are widely used in conveying hot water, pure water, sea water, oil, phenol, alcoholate and other un-oxidizing organic liquids.

生产的复合管材广泛用于输送热水、纯净水、海水、油类、酚、醇非氧化性有机流体等。

A method for separation and analysis of salicylic aldehyde and phenol by capillary gas chromatography was developed.

采用毛细管气相色谱法对由苯酚和甲醛为原料合成的水杨醛及反应物苯酚进行了分离分析。

The catalytic mechanism of prolinamide phenol on the direct aldol reaction was studied using quantum mechanics theory.

利用量子力学理论研究了脯氨酰胺酚类催化剂催化直接不对称Aldol反应的机理。

Under the alkalescency condition, the changing of pH value effect the decompounding rate of phenol, along with the pH value accretion the decompounding rate decrease.

在BPBC处理苯酚废水的过程中，有中间体的产生，如果要彻底除去苯酚废水中的有机物，实际电解时间不宜小于30min。

In addition, the existence of metallic atoms makes the phenol oxygen atoms more reactive which may be one of the reasons that alkali metal salts are more sensitive than TNPG.

同时， 金属离子的引入增大了酚羟基上的氧原子的活性，这也可能是导致碱金属盐比TNPG敏感的原因之一。

Already alkane and phenol has been important consumption fields of benzene in the ring.

环已烷和苯酚也是苯重要消费领域。二者各占苯消费量的15%-18%。

Ginkgo wood vinegar was a kind of quite complicated compounds, which include water, organic acid, phenol compound, alkanet compound, alcohol compound and so on.

5银杏木醋液是一种组成成分相当复杂的混合物，主要成分是水，其次是有机酸、酚类、醛类、酮类、酯类及其它杂环类物质等。

Bamboo vinegar have above 100 kinds constituents. Which include water, organic acid, phenol compound, alkanet compound, alcohol compound and so on.

竹醋液主要成分是水，其次是有机酸、酚类、醇类、醛类及其它杂环类等100多种物质。

The results obtained provide basic thermodynamic data for studying alkylation of phenol with DEC and developing catalysts for it.

为烷基化反应条件的控制和催化剂的探索研究提供了热力学依据。

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。