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- The liquefaction method using ethylene carbonate (EC) as the liquefied reagent has the rapidest liquefaction speed and the highest yield. 本文選取的環(huán)碳酸鹽碳酸乙烯酯(EC)液化麥草的液化方法,是迄今為止液化速率最快,液化得率最高的一種液化方法。
- The main synthetic methods of ethylene glycol was described. The ethylene glycol was synthesized by ethylene carbonate that is a new method which was importantly introduced. 闡述了乙二醇的幾個(gè)主要合成方法,著(zhù)重介紹了合成乙二醇的新技術(shù)方法:碳酸亞乙酯法。
- Latest advances in preparation of ethylene glycol (EG) were reviewed, including preparation of EG via catalytic hydration from ethylene oxide (EO) and ethylene carbonate (EC), as well as via syngas. 摘要綜述了由環(huán)氧乙烷制乙二醇、環(huán)氧乙烷經(jīng)碳酸乙烯酯制乙二醇、環(huán)氧乙烷催化水合制乙二醇及以合成氣制乙二醇研究進(jìn)展。
- One of the most well-known successful example is the cycloaddition between epoxides and CO2 to afford the propylene carbonate (PC), ethylene carbonate (EC) which are widely used as raw materials. 以環(huán)氧丙烷(PO)、環(huán)氧乙烷(EO)和二氧化碳(CO2)為原料通過(guò)環(huán)加成反應制備 PC、EC是一條環(huán)境友好且原子經(jīng)濟的工藝路線(xiàn)。
- Gas Chromatography Analysis of Ethylene Carbonate 碳酸乙烯酯的氣相色譜測定
- Poly ( ethylene carbonate) 聚碳酸亞乙酯
- poly( ethylene carbonate) 聚碳酸亞乙酯
- Progress in Study of Transesterification of Ethylene Carbonate 碳酸乙烯酯的酯交換反應研究進(jìn)展
- Keywords ethylene carbonate;polymer support;aminolysis reaction; 乙撐碳酸酯;聚合物載體;胺解反應;
- Keywords ethylene carbonate;vinylene carbonate;synthesis; 碳酸亞乙酯;碳酸亞乙烯酯;合成;
- In this paper, the blends of poly(propylene carbonate)(PPC), with ethylene propylene dienmischpolymere rubber(EPT) were prepared. 將聚丙撐碳酸酯(PPC)與三元乙丙橡膠(EPT)共混制成彈性體。
- Thermodynamic Analysis of Transesterification of Ethylene Carbonate and Phenol 碳酸乙烯酯與苯酚酯交換反應的熱力學(xué)分析
- SYNTHESIS AND CHARACTERIZATION OF COPOLYMER LACTIDE AND ETHYLENE CARBONATE 丙交酯與碳酸亞乙酯的共聚及性能表征
- Study on Homogeneous Transesterification of Ethylene Carbonate with Ethanol 碳酸乙烯酯和乙醇均相酯交換反應研究
- Advances in the preparation of ethylene glycol via ethylene carbonate route 碳酸亞乙酯法合成乙二醇研究進(jìn)展
- I make a carbon copy of my documents. 我用復寫(xiě)紙復寫(xiě)文件。
- Soft drinks contain carbon dioxide. 軟飲料中含有二氧化碳。
- I have some carbon paper somewhere or other. 我記得我在什么地方放有復寫(xiě)紙。
- Beijing Poly International Auction Co., Ltd. 北京保利國際拍賣(mài)有限公司。
- Use Catalyst Produced by Precipitation Method toSynthesize Ethylene Carbonate 沉淀法制備催化劑催化合成碳酸乙烯脂