Researchers from MIPT, Skoltech, the Joint Institute for High Temperatures of the Russian Academy of Sciences, and Lomonosov Moscow State University report a new approach to oil composition analysis. They used high temperature and pressure to dissolve oil in water and analyze its composition. The n...
Why does salt dissolve in water but oil doesn't? 为什么盐可溶于水而油却不行呢? Well, in a word, chemistry, but that's not very satisfying, is it? 嗯,从一种角度来说,是化学作用,但是这并不很令人信服,不是吗? Well, the reason salt dissolves and oil does not comes down to the two...
That's be-cause oil can not dissolve(溶解) in water.Adding detergent, however, changes the oildroplets(滴) so they dissolve in water.1. You dont need D according to the passage.A. clear glassB.waterC. vegetable oilD.some salt2. If you say two people are like oil and water, it...
: any of numerous greasy flammable usually liquid substances from plant, animal, or mineral sources that do not dissolve in water and are used especially as lubricants, fuels, and food b : petroleum 2 : something (as a cosmetic) like oil or containing an oil bath oil suntan oil 3...
A shipboard electrical water-in-oil dispersion resolver comprising, in an upper enclosure a coalescing section including an inlet for introducing the dispersion into a separation effecting electrical field to produce a continuous oil phase, which is withdrawn from above the field, and a continuous ...
A. absorb the oil for easy removal B. remove the oil from the water C. disperse or dissolve the oil in the water D. not affect the oil 相关知识点: 试题来源: 解析 C. disperse or dissolve the oil in the water 反馈 收藏
The oil is collected by steam distillation. The steam passes through the leaves, carries the aromatic compounds into a collecting tube, and then becomes water again as it cools. The essential oil, being unable to dissolve in water, is then easily removed from the water....
题目The liquid that can dissolve many substances is called _. A. water B. oil C. alcohol D. vinegar 相关知识点: 试题来源: 解析 A。水可以溶解很多物质,被称为溶剂。选项 B 油、选项 C 酒精、选项 D 醋溶解能力不如水强。反馈 收藏
It may take seven to 10 days for the dispersants to dissolve the oil slick, Attapol Charoenpansa, director general of the Pollution Control Department, was quoted by local media on Thursday as saying.■
In this paper a semianalytical model has been proposed to predict the rate at which oil components dissolve in water when an oil spill occurs in a marine e... MR Riazi,YA Roomi - 《International Journal of Toxicology》 被引量: 13发表: 2008年 IDENTIFICATION, ESTIMATION AND MONITORING OF PET...