❶ sweep steam在化工中是什麼意思啊，畢業論文翻譯中的，求各路大神幫忙啊！跪謝！！
Steam sweep 蒸汽吹掃
❷ 求論文翻譯急！！
這是金山詞霸翻譯出來的，您看看合不合適您。
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 Lending institutions for funds withdrawn from circulation as soon as possible, it will be packaged sub-prime mortgage bonds, bond interest rates than sub-prime mortgage bonds, high-quality high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 論文摘要翻譯
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