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- The thermal stability and corrosion behaviour of petroleum acid ester and esterified high acid crude oil (HACO) were studied. 摘要 研究了石油酸酯和酯化高酸原油的热稳定性及腐蚀性规律。
- The peanut oil is the high quality cooking oil and fries the nitroglycerine, in the oleic acid - Asiatic petroleum acids, its anti- oxidation stability is high. 花生油是优质烹调油和煎炸油，在油酸-亚油酸类中，它的抗氧化稳定性较高。
- Refined oil yield of the first vacuum side stream has reached 99.3% and yield of petroleum acids reached 0.62%. Acid number is 157mg KOH/g. Complex solvent can be recovered for reuse and the recovery rate is 98.9%. 经复合溶剂抽提 ;可脱除减一线油中80%25以上的石油酸 ;减一线精制油收率达 99.;3%25;石油酸收率达 0
- The structure and composition of petroleum acids isolated from Gudao crude oil were investigated by means of IR and GC/MS. 采用红外、色质联用等分析手段对孤岛原油中羧酸的分布、结构及组成进行了研究。
- The structure and composition of petroleum acids isolated from Gudao crude oil were investigated by means of IR and CC/MS. 摘要采用红外、色质联用等分析手段时孤岛原油中羧酸的分布、结构及组成进行了研究。
- Preparation of emulsifying agent for heavy oil from petroleum acid 以石油酸为主要原料的重油乳化剂的研制
- The structures and compositions of the purified petroleum acids were characterized by using infra-red spectrum,nuclear magnetic resonance and negative-ion electrospray ionization mass spectrum. 通过红外光谱、核磁共振和负离子电喷雾质谱三种表征技术鉴定了原油中的石油酸结构和组成。
- The results showed that there were the similarly elemental structures of petroleum acids which were divided into aliphatic acids,naphthenic acids and aromatic acids,but the differ... 结果表明,这两种原油中的石油酸结构基本一致,分别为脂肪酸、环烷酸和芳香酸,不同的是对于同一种类的石油酸,碳数范围不同,所占的质量百分数不同。
- Indonesia is abundant in petroleum deposits. 印尼的石油蕴藏量丰富。
- He gave me a taste of his acid wit. 他让我尝到了他敏锐尖刻之机智的滋味。
- Acid irritates the stomach lining. 酸能刺激胃黏膜。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- A chemical derived from petroleum or natural gas. 石油化学制品从石油或天然气中提炼出的化学产品
- A trademark used for a brand of petroleum jelly. 凡士林用来作为石油脂的商标
- Taiwan seems to contain no petroleum. 台湾恐怕没有蕴藏石油吧！
- This land is rich with petroleum. 这片土地盛产石油。
- I am doing an experiment of neutralizing acid. 我在做一个中和酸的实验。
- Can Jones beat Smith? That's the acid test. 琼斯能击败史密斯吗？那是个严峻的考验。
- The chemistry of petroleum and its derivatives. 石油化学石油及其复合物的化学
- A METHOD TO PREDICT CORROSIVITY OF PETROLEUM ACID BY IRON POWDER TEST 铁粉腐蚀法评价石油酸的腐蚀性
