英语释义

1. a volatile flammable petroleum distillate (as petroleum benzin)

片语

Isodrin in Petroleum ether石油醚中异狄氏剂溶液标準物质

petroleum ether oil abstract石油醚油状粗提物

ligarine石油醚

sherwood oil石油醚

Endrin in Petroleum ether石油醚中异狄氏剂溶液标準物质

petroleum m ether石油醚

Petroleum ether extraction石油醚提取

petroleum ether extract石油醚抽提物

Chlortoluron in Petroleum ether石油醚中绿麦隆溶液标準物质

petroleum ether-acetone石油醚

英汉例句

• overview: the division licorice extract mainly the growth of china「s liaoning province of licorice for the raw materials, petroleum ether extraction by roots in the system.

  概述：本司甘草膏主要采用中国辽宁地区的生长的甘草为原材料，通过石油醚浸提根茎制得。

• extraction of gallium from high concentration hcl solution using organic phases which composes of tbp and butyl acetic ester, xylene, petroleum ether and kerosene, respectively, are investigated.

  系统研究了以tbp为萃取剂，乙酸丁酯、二甲苯、石油醚、煤油为稀释剂，从高酸度盐酸溶液中萃取镓。

• overview: the division mainly rock rose extract rock china」s zhejiang province rose to the growth of raw materials extracted by petroleum ether extract obtained.

  概述：本司巖蔷薇浸膏主要采用中国浙江地区生长的巖蔷薇为原材料，通过石油醚提取制得浸膏。

• methods:hydrogenated terphenyls in the air was collected with petroleum ether or chorcoal turb and then determined by spectrophotometer.

  目的：建立作业场所空气中氢化三联苯的采样和测定方法。

• 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，各处理间无显着差异。

• growth curve method showed the extract of petroleum ether and ethyl acetate of rhizoma amorphophalli had a time-effect effect on the proliferation of cell sgc-7901.

  生长曲线法观察发现蛇六谷石油醚萃取物、乙酸乙酯萃取物对人胃癌sgc-7901细胞增殖抑制作用有一定的时间-效应曲线；

• methods artemisinin is extracted with petroleum ether and pass column of silica gel and gradient elution with ethyl acetate, then it is tracked with tlc and detected with uv-vis.

  方法青蒿经石油醚提取浓缩，浸膏经过硅胶柱，用不同配比的乙酸乙酯洗脱，用tlc法跟蹤，uv法检测。

• this paper studied on oat oil from deshelled oat seeds by petroleum ether extraction.

  本课题以脱壳燕麦为原料，经石油醚提取得到燕麦油。

• petroleum ether that is defined is the suitable solvent according to the choice solvent experiment.

  通过对提取溶剂的选择实验得出了提取茄尼醇的最佳溶剂（石油醚）。

• the low degree of substitution cationic starch was synthesized in dry process by using petroleum ether as dispersant. the reaction efficiency was more effective and the product was more homogeneous.

  用石油醚作为分散剂，干法制备低取代度阳离子淀粉，反应效率更高，产品更均一。

• volatility chemical constituents of the extracts of mulberry (moms atropurpurea r. ) by petroleum ether and ethyl acetate were analyzed by gc-ms.

  对广东桑桑椹石油醚和乙酸乙酯提取物中的化学成分进行gc-ms分析。

• with the same extraction methods, the extract rate of methyl alcohol was the highest, the second was chloroform, and petroleum ether was the lowest.

  而用同一方法不同的溶剂提取，则提取率大小顺序为甲醇>氯仿>石油醚。

• resultsthe petroleum ether fraction and ethyl acetate fraction from the aqueous and ethanol extracts of hehuanhua can significantly shortened immobility time of mice in the forced swimming test.

  结果合欢花醇提物与水提物的石油醚和醋酸乙酯萃取部位与对照品安拿芬尼类似，均能显着缩短小鼠游泳的不动时间。

• overview: the division lanti vanilla extract raisins produced mainly in xinjiang, as the raw material obtained by petroleum ether extraction.

  概述：本司葡萄干萃取物主要采用新疆产的葡萄干为原材料，通过石油醚萃取制得。

• to obtain chemical constituents of whole sorbus tianschanica l. , the methods of water extraction, ethanol extraction and petroleum ether extraction were used.

  本实验采用水提取法、醇提取法和石油醚提取法对天山花楸全株的化学成分进行了比较全面的定性研究。

• 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 invention discloses a white-tea alcohol extract extracted from petroleum ether as well as a preparation method and applications thereof.

  本发明公开了一种石油醚提取白茶浸膏及其制备方法和应用。

• volatile oil mainly in the petroleum ether solution;

  挥发油主要存在于石油醚提取液中；

• the mixed solvent consists of solvent naphtha, decalin, and petroleum ether in a certain proportion, which was used to synthesize 3-sulfo p-anisidine by using p-anisidine as raw material.

  用溶剂汽油、萘烷、石油醚按一定比例复配成混合型溶剂，以对茴香胺为原料，用该溶剂合成了3磺酸基对茴香胺，产品中不含致癌物。

• it is the first time that the petroleum ether extract and ethyl acetate extract of nerviliafoadii.

  首次确定了青天葵的石油醚和乙酸乙酯部位是体内抗肿瘤作用的有效部位。

• the results indicated that petroleum ether extract had the ability to antagonize toxicity induced by ouabain, while water extract had little effect on it.

  未见水提物抗哇巴因所致豚鼠心脏毒性及抗氧自由基的作用。

• the chemical constituents of petroleum ether fraction, chloroform fraction and ethyl acetate fraction of flemingia philippinensis merr. et rolfe. were analysed by modern chromatography.

  应用现代色谱技术和方法研究了千斤拔的石油醚部位、氯仿部位、乙酸乙酯部位的了化学成分。

• in the research of w/o petroleum ether emulsion system, the swelling and leakage of emulsion liquid membrane were studied, which was made by dispersing the emulsion into external phase twice.

  对于w/o型乳状液体系，考察了石油醚乳状液的制备时各参数与稳定性能关系，研究了其二次分散能力，即形成w/o/w型液膜时的溶胀与泄漏情况。

• overview: the division mainly sweet clover extract of sweet clover sichuan region of china for raw materials, petroleum ether extraction by roots in the system.

  概述：本司草木犀浸膏主要采用中国四川地区的草木犀为原材料，通过石油醚浸提根茎制得。

• these curves and datas are of great use to compositions and function of petroleum ether and liquid paraffin, this analytical method is based on tbp distillation of coal liquefied oil.

  这些曲线及数据不仅对石油醚和液体石蜡的组成和使用性能有参考价值，而且这种分析方法为煤液化油的实沸点蒸馏奠定了基础。