查询词典 sulfur ether

Firstly, the petroleum ether extract was examined by GC-MS. The result shows that there are over twenty ingredients in it, almost of which are hydrocarbon while a few are ketone, hydroxybenzene, and amine etc.

首先对石油醚的提取物进行了GC-MS检测，检测结果发现其中有二十多种成分，其中多数为烃类，也还含有少量的酮、酚、胺等化合物。

In July and the highest content of ether extract was 6.13% in September; Fiber contents were low during green period.

2随着生长时间的推移，水分、粗蛋白质和灰分含量降低，纤维组分、有机物质含量增加，脂肪、水溶性碳水化合物含量先增加后降低。

The acetic ether extract has obvious antibacterial effect, also has broad-spectrum antibacterial activity.

了哥王乙酸乙酯提取物抑菌效果显著，具有广谱抗菌作用。

Result The conditions for GC-MS of Rhizoma Ligusticum chuanxiong and the characteristic fingerprint was established. The components of chuanxiong's ether extract were analyzed.

结果：确定了气质联用分析条件，分析了川芎乙醚提取液的化学成分，建立了川芎的特征指纹图谱。

Key words stellera chamaejasmel L. the petroleum ether extract MTT antitumor activity in vitro in viˉvo

瑞香狼毒石油醚提取物具有较强的体内和体外抗肿瘤作用。

The antibacterial activities of the acetic ether extract were analyzed with bacteria and fungus. Results showed this extract can suppress the growth of Staphylococcus aureus、S.

该浸膏对多种微生物的生长具有明显的抑制作用，其中对细菌Staphylococcus aureus、S。

The ether extract content at different part of Yunnan pine individual was studied by adopting one experimental site and two natural superior stands as the targets.

以云南松的一个试验点和两个天然优良林分为对象，研究了云南松个体不同部位乙醚提取物含量的特点。

ConclusionIt is the first time that the petroleum ether extract and ethyl acetate extract of Nervilia foadii Schltr. are proved to be the effective anticancer fractions in vitro.

结论首次确定了青天葵的石油醚和醋酸乙酯部分是体外抗肿瘤作用的有效部位。

The main aim of this paper is research the technology that combine enzyme treatment and petroleum ether to extract the Jatropha curcas L.seed.

笔者对酶处理与石油醚浸出相结合提取麻疯树籽油脂工艺的研究。

Methods Silica gel column chromatography and PTLC were used to separate and purify the compounds from the petroleum ether soluble fraction of ethanol extract.

方法用硅胶柱色谱和制备薄层等方法从乙醇提取物的石油醚萃取部位分离化合物，通过波谱方法鉴定其结构。

In other research, chondroitin is being investigated for use in several other conditions.

在其它研究，软骨素被调查用於几个其它情况。

They would make fun of him for having to work.

他们拿他的工作来开玩笑。