glycol propylene
英
美 [ˈglaɪˌkɔl proʊpəˈlin]
网络 丙二醇
双语例句
- Direct determination for free propylene glycol content in propylene glycol ester was put forward.
提出丙二醇酯中游离丙二醇含量的直接测定方法。 - Several samples of hydrotalcite-like compounds ( HTLcs) with different cation combinations were prepared and characterized. Their catalytic activities were studied by alcoholysis of urea and 1,2-propylene glycol to propylene carbonate ( PC).
制备并表征了几种不同阳离子组合的类水滑石，研究了它们对尿素与1,2-丙二醇醇解合成碳酸丙烯酯反应的催化性能。红层边坡岩体岩性的组合特征； - Through comparison of effects of ethylene glycol and propylene glycol on the time of complete reaction might be shortened greatly with propylene glycol as the reduction agent.
1,2丙二醇与乙二醇相比，还原产物粒径更细，且可明显缩短反应时间； - A new technology of reaction distillation for producing propylene glycol from hydration of propylene oxide
环氧丙烷水合制丙二醇反应精馏新工艺 - Synthesis of polystyrene supported poly ( ethylene glycol) and application in the preparation of propylene carbonate
聚苯乙烯负载聚乙二醇在合成碳酸亚丙酯上的应用 - Study on the synthesis and oxidation of polymer of the rosin glycol ester propylene ester
聚松香乙二醇酯丙烯酯及其氧化物的合成研究 - A one-pot process catalyzed by Mg-Al composite is used to synthesize 1,2-propylene glycol diacetate ( PGDA) by inserting propylene oxide ( PO) into acetic anhydride ( AA) directly.
用Mg-Al基复合物催化环氧丙烷（PO）一步嵌入乙酸酐（AA）合成了1,2-丙二醇二乙酸酯（PGDA），经红外光谱、电喷雾质谱鉴定得到了预期产物。 - 1,2-propylene glycol is one of the most important raw materials in chemical industry. In this paper, the depurated processes of 1,2-propylene glycol obtained in DMC production via transesterification are studied.
1,2-丙二醇是重要的化工原料。本文研究了酯交换法生产碳酸二甲酯联产丙二醇过程中催化剂的脱除及产品质量提高的方法。 - By using production technology of Bio-chemical corn polyols, corn starch could be hydrolyzed into sorbitol, which could be turned into ethylene glycol, propylene glycol, 1,4-butanediol and other chemical products by hydrocrack.
玉米生物化工醇以玉米淀粉为原料糖化裂解生产山梨醇，再将糖化得到的山梨醇加氢裂解成乙二醇、1,4-丁二醇、丙二醇等化工醇产品。 - Chloramphenicol is produced by the Streptomyces venezuelae, its chemical structure contains nitrophenyl, propylene glycol and dichloro-acetamide. The antimicrobial activity is mainly related with propylene glycol.
氯霉素（chloramphenicol）是由委内瑞拉链霉菌产生的抗生素，其化学结构含对硝基苯基、丙二醇和二氯乙酰胺三个部分，其抗菌活性主要与丙二醇有关。 - C2~ C3 polyhydric alcohols including ethylene glycol, propylene glycol and glycerol are widely used in the chemical fibre, automobile, food and medical industries.
C2～C3多元醇是指乙二醇、丙二醇和丙三醇，广泛应用于化纤、汽车、食品和医药等行业中。 - The result shows that the effect of membrane absorption is very good in propylene/ hydrogen chloride separation using glycol as absorbent, propylene can be separated entirely from the mixture gas, and hydrogen chloride can vaporized easily from glycol.
实验结果表明以乙二醇为吸收剂用膜吸收法分离丙烯和氯化氢的效果特别好，能达到完全分离，并且氯化氢相对容易从吸收剂中逸出。