查询词典 petroleum naphtha

Such as water, liquid ammonia, naphtha and liquefied petroleum gas, such as the ideal medium measurement equipment.

如水、液氨、轻油、液化气等介质测量的理想设备。

Suitable water-immiscible organic solvents include aromatic hydrocarbons, eg toluene, xylene, naphthalene, tetrahydronaphthalene and methyl naphthalene; chlorinated aromatic hydrocarbons, eg chlorobenzene, fluorobenzene, chloronaphthalene and bromonaphthalene; esters, eg butyl acetate, ethyl acetate, methyl benzoate, ethyl benzoate, benzyl benzoate, butyl benzoate, phenylethyl acetate, butyl lactate, benzyl lactate, diethyleneglycol dipropionate, dimethyl phthalate, diethyl phthalate, dibutyl phthalate, di(2-ethylhexyl) phthalate; alcohols having six or more carbon atoms, eg hexanol, octanol, benzyl alcohol, phenyl ethanol, phenoxy ethanol, phenoxy propanol and phenoxy butanol; ethers having at least 5 carbon atoms, preferably C 5-14 ethers, eg anisole and phenetol; nitrocellulose, cellulose ether, cellulose acetate; low odour petroleum distillates; turpentine; white spirits; naphtha; isopropylbiphenyl; terpene; vegetable oil; mineral oil; essential oil; and natural oil; and mixtures of any two or more thereof.

适用于水互溶的有机溶剂包括芳香族碳氢化合物，如甲苯，二甲苯，萘，四氢萘和甲基萘；氯代芳香族碳氢化合物，如氯苯，氟，氯萘和萘；酯类，如醋酸丁酯，醋酸乙酯，苯甲酸甲酯，苯甲酸乙酯，苄酯，苯甲酸正丁酯，苯，醋酸丁酯乳酸，乳酸苄，二甘醇二丙酸酯，邻苯二甲酸二甲酯，邻苯二甲酸二乙酯，邻苯二甲酸二丁酯，二（2乙基己基）酯；醇有6个或更多碳原子，如己醇，辛醇，苯甲醇，苯乙醇，苯氧基乙醇，丙醇和苯氧基苯氧丁醇；醚至少有5个碳原子，最好荤5-14醚，如苯甲醚和phenetol；硝化棉，纤维素醚，醋酸纤维素，低气味石油蒸馏；松节油；白酒，石脑油isopropylbiphenyl；萜类，植物油，矿物油，挥发油；和天然油，以及任何两个或两个以上其混合物。

Solvent naphtha is one of the five broad areas of petroleum products.

溶剂油是五大类石油产品之一。

The process whereby heavy molecules of naphtha or petroleum are broken down into hydrocarbons of lower molecular weight (especially in the oil-refining process).

把石油重分子分解成低分子碳氢化合物的过程；把石油分子分解成更小的分子并提取低沸点的分馏部分的过程。

In contact with a hot surface, naphtha petroleum fractions crack to produce ethylene and propylene

石脑油馏份与一个热表面接角，就裂解而得到乙烯和丙烯。

The most important route to produce these unsaturated hydrocarbons is by steam cracking, using principally petroleum gases or naphtha as feedstock.

生产这种不饱和烃类最重要的路线是靠蒸汽裂解，主要以石油气体和石脑油作原料。

Whereby heavy molecules of naphtha or petroleum are broken down into hydrocarbons of lower molecular weight (especially in the oil-refining process).

把石油重分子分解成低分子碳氢化合物的''。'过程'。''；把石油分子分解成更小的分子并提取低沸点的分馏部分的''。'过程'。''。

Results showed that under the conditions of a reaction temperature of 60 ℃,a reaction time of 6 h and a catalyst consisted of 1.0% BF3-ether and 1.5% AlCl3,the yields of aromatic solvent naphtha and petroleum resin...

结果表明，采用两段聚合法，在催化剂三氟化硼乙醚络合物质量分数1.0%、三氯化铝质量分数1.5%、聚合温度60℃、聚合时间6h的条件下，芳烃溶剂油收率为71.1%，石油树脂收率最高可达20%；同时所得的芳烃溶剂油切割为120号和200号溶剂油，指标达到行业标准。

The properties of light fractions (including naphtha, jet fuel and light hydrogenated lube base oil) from the 300 kt/a lube isodewaxing unit of SINOPEC Shanghai Gaoqiao Company were reviewed and a proposal for optimizing utilization of these fractions was presented, such as producing AR petroleum ether from naphtha; superior odorless kerosene and rolling oil of aluminum foil from jet fuel fraction; transformer oil, high quality white oil and jelly wax from light base oil fraction.

对中国石化上海高桥分公司300kt/a润滑油异构脱蜡装置生产的石脑油馏分、喷气燃料馏分及轻质加氢基础油性质进行试验分析，提出合理的利用方案，其中石脑油馏分可生产分析纯石油醚，喷气燃料馏分可生产特种煤油与铝箔轧制油，轻质加氢基础油可生产变压器油、高档白油以及果冻蜡。

Included in the main topic of the meeting are the processing technology of Petroleum Wax (Include Petroleum Wax, White Oil, Vaseline, Liquid Paraffin wax and Solvent Naphtha and so on), Research and Development of Petroleum Wax Product and application, nationwide and worldwide technical communication and outlook of Petroleum wax, quality management and marketing exploration of Petroleum Wax.

这次会议的主要内容是：石油蜡类（包括石油蜡、白油、凡士林、液体石蜡、溶剂油等）加工工艺及技术；石油蜡类产品研制开发与应用；石油蜡类国内外技术信息及展望；石油蜡类产品质量管理和市场开发与营销。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。