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A hypothetical acid, NH2COOH, that exists only in the form of its esters and salts.
一种假设的酸,NH2COOH,仅存在于氨基甲酯和氨基甲盐中。
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Under alkaline condition, guar gum powder is modified by C1CH2COOH used as carboxymethyl agent.
在碱性条件下,以C1CH2COOH为羧甲基化试剂,对瓜胶粉进行化学改性。
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By intercalating hydrophilic group COOH, the self-emulsifying Polyurethane emulsion is prepared.
通过嵌段聚合引入亲水基因COOH制得自乳化聚氨酯乳液。
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Water soluble tetrazolium salts assay showed that the MWCNTs-COOH was less cytotoxic when compared to MWCNTs which demonstrated to be slightly more cytotoxic than MWCNTs-OH.
水溶性四氮唑法检测显示碳纳米管的细胞毒性作用呈现浓度依赖性并与作用时间具有一定关系。
1. 羧基(carboxyl)是有机化学中的基本化学基,是由羰基和羟基组成的一价原子团。 羧基由一个碳原子、两个氧原子和一个氢原子组成,化学式为-COOH。检验羧基可以用新制醋酸或氢氧化亚铜,现象为蓝色絮状沉淀消失。