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- From the cost,the benefit,the life cycle stage of the producetion,We compared the method made by ethylene oxidation with carbiol carbonylation in the process of HAc production . 从成本、效益、产品在生命周期中的阶段等方面,将乙烯氧化法和甲醇羰基化生产的冰醋酸在市场中的地位进行了比较。
- Occluded spores could not be inactivated with ethylene oxide. 封闭的孢子不能被环氧乙烷灭活。
- Part 2 : particular systems for use in ethylene oxide sterilizers. 英文标题: Biological systems for testing sterilizers and sterilization processes.
- We drew a conclusion that in a period of time and special condition,the HAc made by ethylene oxidation will still exist in the market,but it will change from the protagonist to the stooge. 得出了乙烯法的冰醋酸虽然在一定时期内和一定的条件下,还将存在于市场之中,但已从主角转变为配角的结论。
- The chemical modification methods are composed of acid-or alkaline hydrolysis, acetylation, hydroxylation, acetylation and hydroxylation, hydrogenation, sulfonation, ethylene oxidation and so on. 化学改性方法主要包括酸碱水解法、乙酰化法、羟基化法、羟酰化法、氢化法、磺化法、乙氧基改性法等。
- Microorganisms can be eliminated or reduced by ethylene oxide sterilization. 通过氧化乙烯杀菌可以将微生物消灭或减少。
- They are acrylaldehyde hydration, ethylene oxide formylation and biological zymolysis methods. 即丙烯醛水合法,环氧乙烷甲酰化法,生物发酵法。
- Ethylene oxide was used to modify chitosan mols., and water-soluble hydroxypropylchitosan derive, were prepd. 摘要用环氧丙烷对壳聚糖分子进行改性,在一定条件下,制备了水溶性壳聚糖衍生物羟丙基壳聚糖。
- According to the result of the survey done by NLFD in 1996, all of the unqualified gauzes and cotton were sterilized by ethylene oxide. 但若因灭菌不完全或运送、保存不当以致遭受微生物污染,则对于上述医疗品质影响甚钜。
- They are acrylaldehyde hydration,ethylene oxide formylation and biological zymolysis methods. 即丙烯醛水合法,环氧乙烷甲酰化法,生物发酵法。
- The industrial oxidation reactor is simulated with one and two-dimensional models on the basis of sets of carefully selected kinetics equations for the oxidation of ethylene to produce ethylene oxide. 在筛选出合适的乙烯氧化制环氧乙烷动力学方程的基础上,对工业固定床氧化反应器进行一维和二维模型的模拟计算。
- Recent advances in preparation of ethylene glycol via ethylene oxide catalytic reaction are reviewed in this paper. 摘要对环氧乙烷催化法合成乙二醇研究的最新进展作了综述。
- The manufacturer should validate that the ethylene oxide exposure does, in fact, produce a sterile product. 制造商应验证环氧乙烷的暴露,实际上,生产无菌的制剂。
- The catalytic properties of A1OS for oxyethylation of dodecanol and ethylene oxide(EO)were investigated. 考察了氧化铝/十二烷基硫酸钠复合介孔氧化物在十二醇乙氧基化反应中的催化特性。
- This series products are compounds polymerized from ethylene oxide as initiating agent and EO. 本系列产品是以乙二醇为起始剂与环氧乙烷聚合制得的化合物。
- Typically, however, ethylene oxide does not penetrate the BPC in this powdered form. 典型地,然而,环氧乙烷并不会以粉末的形式渗透到原料药中。
- This scries products are copolymer made from alkyl phenol, fatty alcohol and ethylene oxide. 本品为烷基酚、酯肪酸、酯肪醇与环氧乙烷之共聚物。
- Etherification of butanol with ethylene oxide by a new style solide acid catalyst is investigated. 研究了丁醇和环氧乙烷在一种新型固体酸催化剂上的醚化反应。
- The hydroformylation of 1,3-propanediol from ethylene oxide was summarized by one-step and two-step. 摘要对环氧乙烷羰基合成1,3-丙二醇的催化体系进行了初步研究。
- However, these were incapable of being inactivated with ethylene oxide as stated previously. 不过如前所述,这些孢子也无法被环氧乙烷灭活。