chemical structure water的意思|示意

Chemical structure, mechanism, performance characteristics of JM-PCA (I) carboxylic high range water reducing agent and its application in high performance concrete are presented.

本文介绍JM PC A (I)聚羧酸系高效减水剂的化学结构、作用机理、性能特点及其高性能混凝土的应用。

The naringin was extracted from Citrus grandis' Tomentosa' by water and hydrolyzed with acid to get naringenin. The structure of naringenin was determined by NMR and chemical reaction.

采用直接用水加热提取柚皮苷，再酸水解得到柚皮素。经核磁共振鉴定所得苷元为高纯度的柚皮素。

The chemical structure of water also makes it different from almost all other substances on earth.

水的化学结构也使它与几乎所有地球上其它的物质不同。

This structure is produced by chemical vapor deposition (CVD) of carbon nanotubes in the presence of a metal catalyst in a reaction atmosphere with an oxidizing agent, preferably water, added thereto.

将该结构体是在金属催化剂的存在下，在反应气氛中添加氧化剂、优选水，使碳纳米管进行化学气相成长(CVD)进行制造的。

Water is an important part of their chemical structure.

水是这种粘土矿物的重要组成体。

This paper introduces the basic operational principle and structure of a multifunctional physio-chemical measuring instrument for water quality.

讨论了理化检测仪的基本工作原理和结构，建立了测定水中多种物质的新方法。