查询词典 compounds

Results Two compounds were isolated from D. diandra. Theirs structures were identified as 6-carboxymethy1-5,7,4'-trihydroxyflavone and l-O-β-D-glucopyranosyl-(2S,3R,4E,8E)-Z-N-(2'-hydroxypalmitoyl) octadecasphinga-4,8-dienine(soya cerebroside Ⅰ,Ⅱ).

结果分离并鉴定了2个化合物：6-羧甲基-5，7，4'-三羟基黄酮和4，8-N-[2'-D-羟基-十六烷酰基]-1-O-D-吡喃葡萄糖基-4，8-二烯-十八鞘氨醇。

Solvent extraction using crown compounds as extractants is one of the most important separation methods of cesium.

用冠醚化合物作为萃取剂从酸性废液中溶剂萃铯，是目前众多分离手段中最重要的方法之一。

Part two In this part, we studied the electron-transfer reaction of perfluoroalkylchlorides, CFCs and non-fluorinated compounds.

第二部分在这一部分中，我们致力于研究全氟或多氟烷基氯代烷的电子转移反应，进而扩展至非氟氯代烷和一些CFC产品的化学转化。

The organic chemistry studying the organic compounds composition、structure、nd change rules of it.It is the theoretical base of organic chemistry industry.

有机化学是研究有机化合物的组成、结构、性质及其变化规律的科学，是有机化学工业的理论基础。

The catalysts can be poisoned by sulfur in the coal gas.Sulfur compounds are harmful in chemosynthesis industry.

煤气干法脱硫技术是一种行之有效的煤气脱硫净化工艺，它是整体煤炭气化联合循环发电技术，特别是煤炭多联产的关键环节之一。

Chirata, and they were identified as β-sitosterol and swerchirin by spectral method. These two compounds were got firstly from the petrolelum ether fraction of S. chirata.

结论］2种化合物β-谷甾醇与1，8-二羟基-3，5二甲氧基山酮均为首次从印度獐芽菜乙醇提取物的石油醚部位分离得到。

This project focused on the basic research of asymmetric synthesis of optically active drugs or their lead compounds by Chiron approach.

本项目从事手性元途径合成光学纯药物或光学纯药物先导化合物的基础研究。

The photo reactions of β-diketones compounds with chloranil in C6D6 were through free radical intermediates.

β二酮类化合物与四氯苯醌在C6D6溶液中的光化学反应过程具有自由基反应的特点。

A capillary gas chromatographic method of determining 5 kinds of chlorobenzene compounds in water and wastewater was developed.

建立了一种用气相色谱法测定水和废水中5种氯苯类化合物的方法。

It is noted that the effects of substitution on the C-Cl BDE of substituted chlorobenzene compounds are very insignificant.

研究了目标化合物的前线轨道能级差，并对取代氯苯化合物的热稳定性做了评估。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。