4 -二恶烷是一个叫做乙氧基化的化学加工过程的副产品,在这个过程中,化妆品原料和环氧乙烷一起进行处理。
4-dioxane is a byproduct of a chemical processing technique called ethoxylation, in which cosmetic ingredients are processed with ethylene oxide.
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。
This series products are compounds polymerized from ethylene oxide as initiating agent and EO.
冗余高压连锁切断了向环氧乙烷反应工段的供料,以及供至远低于泄放压力的环氧乙烷净化工段的所有热源。
Redundant high-pressure interlocks cut off feeds to the EO Reaction Section and all heat sources to the Ethylene Oxide Purification Section far below the relieving pressure.
本文就我国环氧乙烷的生产现状及其应用作一介绍。
The present state of production and application for epoxy ethane in China is described in this paper.
软件以环氧乙烷反应器神经网络模型为核心,包括训练、回忆、预测及说明四个部分。
The ANN model of oxirane reactor is the core of the software, and training, recalling, predication and illustration are included.
最后,炼油厂排放很多的气体,如二氧化硫(SO2)、二氧化氮(NO2)、二氧化碳、一氧化碳、甲烷、双环氧乙烷、氟化氢、氯、苯和其他气体。
Finally, refineries emit many gases like sulphur dioxide (SO2), nitrogen oxide (NO2), carbon dioxide, carbon monoxide, methane, dioxins, hydrogen fluoride, chlorine, benzene and others.
在此基础上,对茂名地区环氧乙烷衍生物产品的开发提出一些建议。
On this base, suggestions are also made for the developmenl of derivative products of epoxy ethane in Maoming region.
不可以。用环氧乙烷、放射线照射和高温高压蒸气的消毒方法会损害部件,不应使用。
No, sterilization processes such as ethylene oxide, radiation and steam sterilization will damage the components and should not be used.
环氧乙烷氨解法是目前生产乙醇胺的主要方法,产品比例、产品质量及能耗是乙醇胺生产中的三个关键因素。
Ethanolamines are commonly made by the method of reacting aqueous ammonia and ethylene oxide. Product profile, product quality and energy consumption are three key factors in ethanolamine process.
目的观察环氧乙烷灭菌处理对病毒灭活输血过滤器的影响和环氧乙烷在滤器中的残留状况。
Objective To observe the influence of ethylene oxide sterilization on viruses inactivation blood transfusion filter and the residual state of ethylene oxide in the filter.
引发体系中的微量水分是影响环氧乙烷环氧丙烷无规聚醚起始端基结构,并进一步影响其分子量和使用性能的重要因素。
Trace water in the initiator system is an important factor which affects the initiating terminal group structure and the performance of the random copolymer of ethylene oxide and propylene oxide.
介绍了环氧乙烷与二元醇的分离方法和条件。
The method and the condition of separation epoxy ethane from dihydric alcohol are described.
用100%减去所发现的所有杂质重量百分数之和,包括水、酸、二氧化碳和醛类,即为环氧乙烷的重量百分比。
Sum in weight percent all the impurities found: water, acidity, carbon dioxide and aldehydes and subtract from 100.0 percent to obtain the percent by weight ethylene oxide.
环氧乙烷试验这个试验测定环氧化物含量。它以环氧乙烷基团上卤化氢的增加量为基础。
Oxirane Test This method, which provides a measure of epoxide content, is based on the addition of hydrogenhalides to the oxirane group.
采用拟均相二维模型,对乙烯环氧化制环氧乙烷工业反应器的床层导热性能进行了模拟与分析。
The heat transport of catalyst bed in industrial reactor for epoxidation of ethylene to epoxy ethane has been simulated and analyzed by pseudo-homogeneous two-dimensional model.
该方案在确保安全的前提下,可取得减少环氧乙烷排放损失,降低氮气消耗和减少大气污染的效果。
Using the scheme, the purge loss of EO and nitrogen consumption are reduced without any safety troubles, and the air pollution is also improved.
本产品无菌、无害,采用环氧乙烷灭菌处理,效果可靠。
This product aseptic, harmless, using epoxy ethane, reliable sterilization effect.
结论:环氧乙烷能改变神经细胞膜上嵌入蛋白质的分布。
Conclusion: Ethylene oxide can change the distribution of inserting proteins in nerve cell membrane.
环氧乙烷广泛应用于合成乙二醇、二甘醇、三甘醇、乙醇胺、乙二醇醚和乙氧基化合物。
EO is widely used in synthesis of EG, diethylene glycol, triethylene glycol, aminoethyl alcohol, glycol ether, and oxyethylation compounds.
本文应用联立模块法的模拟策略对乙烯氧化制环氧乙烷过程进行了操作型稳态数学模拟。
The process of epoxyethane production by ethylene oxidation is numerically simulated by using the steady operation technique with simultaneous modular approach.
产品特点:本产品采用医用高分子材料制造,经环氧乙烷气体灭菌、无菌、无热原、无溶血反应、无急性全身毒性。
Product Feature: The products are made of medical high polymer, sterilized by EO-gas, sterile, pyrogen-free, non-hemolysis reaction, no acute systemic toxicity.
运用美国道化学公司火灾、 爆炸危险指数法对环氧乙烷生产工艺过程进行风险评价,提出了改善安全生产环境的具体措施。
Risk assessment is carried out for EO process using Dow F&E index method. Then, some detail measures are offered to improve the safety production.
本文介绍了一种用环氧乙烷生产羟已基乙二胺的新技术,列举了羟乙基乙二胺的性能及应用范围。
A new technology to produce hydroxy ethyl ethylene diamine using ethylene oxide is introduced in this paper. Its properties and application fields are also listed.
全面系统地考察了在层柱稀土固体酸催化剂上甲醇和环氧乙烷醚化反应。
Etherification of methanol with ethylene oxide (EO) was investigated systematically on the pillared rare earth solid acid catalyst.
以高氯酸锌为催化剂,环氧乙烷和低碳醇反应生成窄分子量分布的乙二醇单低碳醇醚,确定了适宜的工艺条件。
Reaction of lower primary alcohol and ethylene oxide was studied by zinc perchlorate as catalyst, and the products are narrow distributed. The suitable process conditions have been established.
乙醇胺及其衍生物二乙醇胺和三乙醇胺由氨与环氧乙烷反应所得。
Ethanolamine and its derivative di-and triethanolamine result from reacting ammonia with ethylene oxide.
乙醇胺及其衍生物二乙醇胺和三乙醇胺由氨与环氧乙烷反应所得。
Ethanolamine and its derivative di-and triethanolamine result from reacting ammonia with ethylene oxide.
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