❶ sweep steam在化工中是什么意思啊，毕业论文翻译中的，求各路大神帮忙啊！跪谢！！
Steam sweep 蒸汽吹扫
❷ 求论文翻译急！！
这是金山词霸翻译出来的，您看看合不合适您。
The so-called subprime mortgages, as opposed to high-quality mortgage loans, and is a poor credit, no proof of income and repayment ability to prove, other liabilities heavier personal housing mortgage loans, mortgage loans, compared with high-quality , subprime mortgage interest rates higher. Lending institutions for funds withdrawn from circulation as soon as possible, it will be packaged sub-prime mortgage bonds, bond interest rates than sub-prime mortgage bonds, high-quality high interest rates, higher bond yields because they get a lot of commercial banks, investment banks, hedge Fund and other funds and other institutional investors of all ages.
❸ 论文摘要翻译
Abstract: This paper alkaloid extracted from the peanuts in order to extract ethanol, use of ethanol to peanut powder impregnation, and then by steam distillation (continuous heating return) to extract, extract derived from the experiment contains a large number of fat-soluble impurities , extraction of the alkaloid to the end and then purified. Purification of first alcohol extract of the first concentration, and then adding acid to dissolve, and then again to be the acid liquid, and the final organic solvent extraction, extraction of the organic solvent layer to be further concentrated on the total alkaloids. Then classified into weak alkaloid alkaloids, in alkaline and strongly basic alkaloids, water-soluble alkaloids of three parts, and then based on whether the structure of acidic groups (mainly phenolic hydroxyl group), divided into phenolic and non - phenolic.
Keywords: alkaloids; steam distillation; purification; separation