查询词典 ether

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。

The analgesic active substances of Meconopsis quintupcinervia Regel contain in ethanol extract mainly, then in petroleum ether extract.

五脉绿绒蒿的镇痛活性物质主要存在于乙醇提取物中，其次是石油醚提取物。

Among the five extracts, petroleum ether extract had the strongest contact toxicity and the adjusted death rates were 66.65% and 92.21% 24 h and 48 h after treatment with the concentration of 100 mgmL^(-1) and the LD50 were 76.07 mgmL^(-1)、14.94 mgmL^(-1) respectively.

其中，以石油醚提取物的触杀作用最强，处理后24、48h的校正死亡率分别为66.65%和92.21%，LD50分别为76.07、14.94mgmL^(-1)。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。