查询词典 petroleum

Electropolar solvent such as THF may destroy the polyetherimide layer,while non-electropolar solvent such as petroleum ether cannot solve vinyl acetic acid cobalt.

极性溶剂如四氢呋喃会溶解PEI层，而非极性溶剂如石油醚又不能溶解丁烯酸钴。

At present the main products are eight series ,morethan thirty kinds and hundred specifications,including ordinary high----grade adjustable temperature universalelectric furnace,directly----heated adjustable temperature and thermostatic digital display electrothermic jacket; ele----ctrothermic plate; magneticagitator, electric mixer machine, water bath kettle; dryer electric resistance furnace; intelligent blurring control temperature instrument, digital display thermometer; petroleum analytical instrument , teaching aid etc.

另外还能从事实验室、分析室、仪器设备装置的设计研制、新建实验室、整体分析项目方案设计，而且能完成中小型炼油化工装置的设计、制造、安装。本公司在开发产品过程中致力于吸收国内外最新设计制造技术，使用最新的进口原料器件，先进的设计制造软件，使我们的产品科技含量、操作稳定性、自动化控制程序、内外在质量得到跨越性提高。

And motivated by many important applications,especially by re-sistivity well-logging in petroleum exploitation,Li Ta-tsien constructed the correspondingboundary value problems with equivalued surface of elliptic equations.

他们基于某些重要的实际应用，建立相应的椭圆型等值面边值问题，尤其是在石油开发中，电阻率测井方面的应用。

Equipment Shanghai Co.,Ltd is professionally concentrated on the development of dispersion emulsify equipments.The product is extensive to apply to petroleum chemical engineering,new energy,namometer and so on.

上海弗鲁克流体机械制造有限公司专业致力于分散乳化设备的研发和制造，产品广泛应用于精细化工，石油化工，纳米材料，新能源，日化，造纸及生化等领域。

Development of demulsification techniques for crude oil emulsion is one of the most important research topics in petroleum industry.

研发原油破乳技术是现代石油工业领域的重要研究方向之一。

School of Mechanical and Electrical Eng., Beijing University of Petroleum, Beijing 102249, China

石油大学机电工程学院，北京102249

The optimun conditions were pressure 300 Mpa,temperature 45 celsius degree,extraction time 3h and the entrainer was petroleum ether.

确定工艺条件为：压力30MPa，萃取温度45℃，萃取时间3 h，携带剂为石油醚。

Object: The antimicrobial effects of the water, 60% alcohol, 90% alcohol extract and petroleum ether, ethyl acetate, n-butanol components from Pomegranate rind against 3 kind of pathogenesis bacterial and 14 kind of epiphyte were accomplished.

目的：对石榴皮的水、60%乙醇、90%乙醇提取物以及石油醚、乙酸乙酯、正丁醇萃取物对3种细菌和14种真菌的体外抗菌试验进行了研究。

To exfoliate: Mix 2 cups of Epsom Salt with 1/4 cup of petroleum jelly and a few drops of lavender essential oil. Use the mixture to gently scrub away dry skin patches.

去死皮：将约3勺浴盐与1勺基础油混合，使用这个混合物在角质层较厚的部位清请擦洗，然后清洗。

The preparation process of equisetum pratense total alkaloid includes the following steps: coarse pulverizing equisetum pratense to obtain rough powder, methyl alcohol percolation to obtain percolate, recovering methyl alcohol, concentrating, degreasing by means of petroleum ether, alkalifying concentrate, CHCl3 extracting, soda lye washing, neutral water washing, recovering CHCl3 to obtain rough alkaloid, adsorption by using silica gel column, eluting, recovering solvent so as to obtain refined EPR.

该发明是通过两个步骤来实现的：第一步，提取草问荆总碱，流程：草问荆粗粉――渗漉液――浓缩液(析胶、石油醚脱脂、氨水碱化)――碱化浓缩液(CHCl3萃取)――CHCl3层――CHCl3液(回收CHCl3)――粗生物碱――吸附硅胶柱――精致EPR。第二步，选择实验试剂、仪器、用小鼠作为实验对象，进行中枢神经系统实验，研究作用及作用机制。

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。