查询词典 ether extract

Methanol ether extract of Ricinus communis was in the second place with LC50 value.

由此，这3种中草药的提取物均具有较好的杀螨生物活性。

Objective In order to search for new tumor cell differentiation inducer, the antitumor effects of the tadpole ether extract (T8712) were studied.

目的 为了寻找新的肿瘤细胞分化诱导剂，探讨蝌蚪醚提取液(T8712)的抗肿瘤作用。

The results of comprehensive evaluation indicated that the effect of the suitable concentration extracts were better, the effect of Ether extract 1000mg/L

提取物浓度与抗寒效果之间无明显的相关性，植物材料前胡的抗寒作用可能是前胡乙醚、丙酮、三氯甲烷等提取物中一种或多种成分的诱导和保护作用的共同结果。

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 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。

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)。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。