石油溶剂

易挥发烃稀释后的原油画家用石油溶剂稀释油料。

Volatile-laden crude oil The painter thinned the paint down with white spirit .

其中石油溶剂油又是最致死的溶剂之一，如果接触或者吸入的话会造出很大危害。

White spirit is one of the most deadly solvents : It is harmful if touched or inhaled .

某些乳化溶剂清洗剂或石油溶剂可用。

Certain emulsifiable solvent cleaners or petroleum solvents may be used .

合成蜡、有机硅、石油溶剂等。

Synthetic waxes , organic silicon , petroleum solvent etc.

用石油溶剂稀释油漆.易挥发烃稀释后的原油

Thin down paint with white spirit volatile-laden crude oil

用石油溶剂除去刷子上的油漆.过滤去除白细胞过程中的红细胞溶血

Remove paint from the brushes with white spirit Erythrocyte hemolysis during leukocyte-reduction filtration

高级脂肪酸、表面活性剂、石油溶剂、水。

High level fatty acid , surface active agent , oil dissolvant , water .

耐化学性：耐清洁剂及弱溶剂，如石油溶剂油。

Bear chemistry : bear detergent and weak melting agent , such as petroleum melting agent oil .

由于设置了抽真空装置，在对石油溶剂蒸馏前就可以对蒸馏区抽真空，以达到安全蒸馏的目的；

Via the vacuuming device , the distillation area can be vacuumed before distilling oil solvent to realize safe distillation .

接触芳香石油溶剂，腐蚀性动物油脂时，（这是）一种优选合成橡胶。

A superior choice over rubber or neoprene , When in contact with aromatic and petroleum solvents , caustics and animal fats .

画家用石油溶剂稀释油料。煤油稀释（密度计）法测定泡沫稠油密度

The painter thinned the paint down with white spirit . Using Kerosene Dilution ( Densimeter ) Method to Determine Foam Heavy Oil Density

叙述了研究低毒溶剂型建筑涂料的重要性，介绍了能溶解于脂肪烃石油溶剂的固态丙烯酸树脂的优异性能，提出了新一代溶剂型丙烯酸外墙、内墙建筑涂料配制方法及性能研究结果。

Importance of Low Toxicity Solvent-based building coatings were described . Excellent properties of solid acrylic resin that could be dissolved in fatty hydrocarbon oil solvent were introduced . Research results on formulation and performance of new generation of solvent-based acrylic building coatings for exterior and interior walls were presented .

石油烃类溶剂油的现状和发展趋势

Status quo and development trends of petroleum hydrocarbon solvent oils

可以使用肥皂水，木精千万不可使用石油机溶剂。

Very simple really , use soap and water or methanol . DO NOT USE PETROL .

不含有磨擦剂和任何石油化学溶剂，与真皮接触也不会脱色或腐蚀。

Not containing abradant or any petrochemical solvents , even contact with genuine leather will not fade or corrode .

采用含硅聚醚作消泡主剂，配以适宜的石油烃溶剂和醚类乳化分散剂制备纤维油剂消泡剂。

Antifoaming agent for fiber finishes was prepared from silicon polyether with petroleum hydrocarbon and ether emulsion dispersing agent .

性能：在煤焦油系列、脂类、石油类溶剂中及植物油，松节油中完全溶解。

Performance : series in the coal tar , fats , petroleum solvents and vegetable oils , turpentine completely dissolved .

介绍了国内外石油烃类溶剂油原料和产品的性质、新产品和新的精制技术动态。

Feedstock and product features of domestic and foreign petroleum hydrocarbon solvent oil are introduced together with the new products and technologies .

可以造成动物致癌石油基溶剂虽未加入到产品中但可以出现在作生产产品的副产品中。

The petroleum-based solvent , which causes cancer in animals , is not added to the items but appears as a byproduct of manufacturing .

性能：在煤焦系，酯类溶剂、节油、物油中完全溶解，不溶于醇类溶剂，在石油系溶剂中部分溶解。

Properties : Completely dissolved in solvent such as coal tar system , esters , turpentine and plant oil . Undissolved in Solvent such as alcohol and partly dissolved in oil .

结果表明：印楝种仁300g，以750mL石油醚做溶剂，在快速搅拌条件下浸提21min时印楝油得率最高；

The yield of neem oil was the highest under the condition as follows : 300 g neem seeds were rapidly agitated for 21 min in 750 mL petroleum ether .

方法：以石油醚为溶剂，采用索氏提取法提取其脂肪酸。

Methods : Seed of Momordica Cochinchinensis oil was extracted with Soxhlet extraction method .

以石油醚为溶剂测定植物油β&胡萝卜素的研究

A Study on Determing the β - Carotin in Vegetable Oil with Petroleum Ether as Solvent

采用直接柱色谱的方法，用石油醚单一溶剂作为洗脱液，从霉烟或碎烟末浸膏中提取了β胡萝卜素纯品。

β - carotene was isolated from discarded tobacco leaves by column chromatography using petroleum ether as eluent .

研究表明在苯、四氯化碳和石油醚等溶剂中接枝率比在其它溶剂中要高；

It was shown that percent grafting in benzene , CCl 4 and petroleum ether were higher than that in other solvents .

采用以水、乙醇、丙酮、乙酸乙酯、石油醚作为溶剂在相同的条件下对茜草果实色素进行提取研究，选最佳溶剂。

This text adopt at first petroleum ether go on and draw and study sour esterses to the fruit pigment of madder under the same terms second acetone ethanol , Select the best solvent .

文中还讨论了以石油醚为溶剂的钛酸四异丙酯对防污剂固化速度的影响以及甲基含氢硅油和钛酸四异丙酯的含量对防污性的影响。

The influence of titanium isopropoxide on the anti-contamination agent curing speed in benzinum solvent , and the influence of methyl hydrogen silicone fluid and titanium isopropoxide content on the proofing function were also researched .

使用石油醚作溶剂，对3种类型烟草和7个不同产地的同等级烤烟进行液固提取，研究了提取物的三维荧光光谱特征参数，考察了光谱与烟草品质的相关性。

Three kinds of tobaccos and seven same level flue-cured tobaccos from different areas were extracted with petroleum ether . The characteristic parameters of 3D fluorescence spectra of the extracts were studied and the correlation between spectra and tobacco quality investigated .

研究了无溶剂和石油醚作溶剂时，30%过氧化氢存在下过氧钨配合物催化大豆油进行相转移的环氧化，并考察了溶剂、反应时间和催化剂等因素对产物的影响。

The phase-transfer epoxidation of soybean oil with 30 % hydrogen peroxide catalyzed by tungsten-based polyoxometallate complex without solvent and with petroleum ether as the solvent was studied and the effects of solvent , reaction time and catalysts on product were studied .

方法：以甲醇、氯仿、石油醚为提取溶剂，提取中药材海金沙，采用粉末X射线衍射Fourier谱鉴定法对提取物进行分析鉴定。

Method : To get the extracts of Spora Lygodii using methanol , chloroform and petroleum ether as solvent and the extracts were identified 、 analyzed by X-ray diffraction Fourier fingerprint spectra .