Phenol compounds were obtained from FCC diesel fuels by alkali-alcohol extraction.
对催化裂化柴油进行碱-醇抽提,抽提出催化柴油中的酚类化合物。
The pollution of non-hydrocarbons was the main pollution of phthalidyl and phenol compounds.
非烃类化合物的污染主要表现为酞酸酯和苯酚类化合物的污染。
This paper presents the experimental results of investigating the composition of phenol compounds of Chinese Larch tree.
研究了混合态的兴安落叶松树木中酚类化合物的组成。
The paper reviews the characteristics of phenol compounds and the progress on modification of these compounds in recently years.
综述了天然酚酸类化合物的性质及近年来对其改性的新进展。
After optimization of separation conditions, baseline separation of several phenol compounds was performed on the monolithic col.
操作条件优化后,利用该柱基线分离了几种酚类化合物。
Some of phenol compound and oxygen containing compounds with tertiary butyl group were screened to use as gasoline antiknock additives.
在实验过程中筛选出几种酚类化合物和叔丁基含氧化合物等作为汽油抗爆添加剂。
Ginkgo wood vinegar was a kind of quite complicated compounds, which include water, organic acid, phenol compound, alkanet compound, alcohol compound and so on.
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。
The impurities affecting the index of UVT of phenol were found by GC MS analyses and total ketones analyses of phenol, which are mainly ketones compounds with higher boiling than of phenol.
通过对苯酚原料的GC—MS分析和对原料与产品的UVT及总酮量分析,定性地说明了影响UVT值达标的主要杂质为沸点高于苯酚的酮类化合物。
We use traditional enrichment, screening, purification methods to select 10 degrading bacteria of 8 kinds of phenolic compounds from a soil sample polluted by phenol wastewater.
本研究利用传统的富集、筛选、纯化的方法,从受含酚废水污染的土壤中筛选出了8种酚类化合物的10株降解菌。
Any of a group of chemical compounds formed by a reaction of phthalic anhydride with a phenol from which certain synthetic dyes are derived.
酞一组化合物之一,由邻苯二甲酸酐和酚反应而成,某些合成染料是由此提取的。
A discussion is also held on the compounds interfering with the methods. The main interfering compounds are phenol, sodium sulfite. sodium nitrite and sodium nitrate, etc.
还对一些物质对这两种方法的干扰情况进行了讨论,其中,苯酚、亚硫酸钠、亚硝酸钠和硝酸钠等为主要干扰物质。
A discussion is also held on the compounds interfering with the methods. The main interfering compounds are phenol, sodium sulfite. sodium nitrite and sodium nitrate, etc.
还对一些物质对这两种方法的干扰情况进行了讨论,其中,苯酚、亚硫酸钠、亚硝酸钠和硝酸钠等为主要干扰物质。
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