单词petroleum ether
na.: 石油醚
网络: 煤油；石油谜；石油精
石油醚
Conclusion: The extract of petroleum ether of Rhizoma Amorphophalli is possibly one of antineoplastic parts of the plant.
结论：蛇六谷石油醚萃取物可能是该药抗肿瘤的有效部位之一。
The amount in the sample in a Soxhlet Extractor, using petroleum ether extraction LH, circulating at least 6 times per hour.
将适量样品放在索氏萃取器中，用石油醚萃取lh，每小时至少循环6次。
In this paper, microwave-assisted extraction of petroleum ether and volatile oil, and with the response surface method was optimized.
本文研究了微波辅助石油醚法提取小茴香挥发油，并用响应曲面法对工艺进行了优化。
After further training solution to the petroleum ether extraction of oil residue collection, and Determination of the degradation rate.
再将培养后的溶液以石油醚萃取法收集残留的石油，用紫外分光光度法测定其降解率。
Overview: The Division plum extract mainly produced in Yunnan Plum child, obtained through the extraction of petroleum ether extract.
概述：本司梅子浸膏主要采用云南产的酸梅子，通过石油醚浸提制得浸膏。
The extraction effect of petroleum ether was better than that of mixed petroleum ether-acetone solution.
石油醚的提取效果比石油醚-丙酮混合液的提取效果好。
Methods: The As in the oil was extracted by the solvent of petroleum ether (non-toxic level), and determined by spectrophotometry.
方法：分别以无毒级石油醚、盐酸作为溶剂和萃取剂，将油中砷萃取，以光度法测定其含量。
For the determination of organochlorine and pyrethroid pesticide residues, the sample was extract with petroleum ether.
有机氯和拟除虫菊酯类农药残留测定中，利用石油醚对样品进行提取。
The petroleum ether extract was not significant respectively in each treatments of medium-topped tobacco after curing.
上部烟叶不同处理烤后烟叶石油醚提取物含量，各处理间无显著差异。
the emendation mortalities of the test insects were low when water extract and petroleum ether extract were adopted.
水萃取物和石油醚萃取物试虫死亡率低。