通过批式反应考察了丙烯甲烷共氧化过程合成环氧丙烷的可能性。
Batch experiments were performed to explore the possibility of producing epoxypropane by a cooxidation process.
探讨了催化剂、溶剂、反应温度及反应物用量等对共氧化行为的影响。
The influence of catalysts, solvents, reaction temperature, dosage of the reactants on the co-oxidation were discussed.
事实上，2007年的一项研究曾计算出这项臭氧保护条约对减缓气候变化的利处：自1990年以来共减少了1350亿吨二氧化碳当量的排放，或者说，推迟全球变暖7 - 12年。
Indeed, a study in 2007 calculated the climate mitigation benefits of the ozone treaty as totalling the equivalent of 135bn tonnes of C02 since 1990, or a delay in global warming of seven-12 years.
其中47个试验、共180，938例的结果显示，抗氧化补充剂使死亡率增大了5%。
The results show that in 47 trials involving 180,938 people, antioxidant supplements increased mortality by 5 per cent.
对于一些材料而言，如氧化物分散强化的合金或者定向固化的低共熔混合物，其使用似乎依赖于一个特殊的创始人或者创始人团队。
For some materials, such as oxide dispersion-strengthened alloys or directionally solidified eutectics, the usage seems to depend upon a particular author or group of authors.
在无任何外加溶剂及共还原剂的条件下，应用此高分子金属卟啉作为催化剂，选择性地催化空气氧化环己烷为环己酮和环己醇。
This macromolecular metalloporphyrin was used as the catalyst for the first time for cyclohexane oxidation to cyclohexanol and cyclohexanone with air in the absence of additives or solvents.
采用三羟甲基丙烷三丙烯酸酯(TMPTA)作共交联剂，研究其对EPDM的过氧化物硫化行为、力学性能及老化性能的影响。
The influence of TMPTA co curing agent on the curing behavior, the physical properties and the aging properties of the peroxide cured EPDM was investigated.
碳氮共渗工艺选择不当，共渗层过深，表面出现壳状碳氮化合物、内氧化等缺陷组织是造成其断裂的主要原因。
The unsuitable carbonitriding process, internal oxidation, over deep depth of carbonitrided layer and crust like C N compound on the surface are the main reasons to cause fracture.
采用氯化铈铽水溶液与草酸为原料，合成了铈铽共晶氧化物。
The ceriumterbium coprecipitation oxide was prepared using oxalic acid and cerium chloride.
通过碱金属离子与聚氧化乙烯（PEO）的络合配位制备了不同比例的PEO聚电解质，将PEO聚电解质与尼龙6熔融共混挤出，制备抗静电尼龙6复合材料；
Nylon 6/Polyethylene oxide (PEO) polyelectrolyte composites with different molar ratio of alkali metal ion and PEO polymer unit were prepared by means of complexation reaction.
以CO氧化为探针反应，考察了不同制备方法对CO氧化性能影响，结果表明共浸法制备的各催化剂其活性明显优于连续浸渍法。
Influences of different preparation methods on CO oxidation have been studied. It was found that catalysts prepared by co-impregnation method were superior to those of the sequential one.
发现二氧化钛不仅对共缩聚反应具有良好的催化作用，且对提高共聚物的热稳定性亦有贡献。
It was found that titanium dioxide possesses not only good catalytic action, but also improves the thermal stability of the resulted copolymer.
利用控制醇盐水解的方法，分别采用正丁醇共沸蒸馏和乙醇洗涤这两种工艺，详细研究了超细二氧化钛粉体的制备过程。
By controlling the hydration of alkoxide, and with n-butanol azeotropic distillation and ethanol rinsing methods, the preparation process of superfine titania powder was investigated in detail.
研究了对叔丁基酚醛树脂用量对NR/NBR/环氧化天然橡胶（ENR）共混物动态力学性能的影响。
The influence of the p tert butyl phenolic resin level on the dynamic properties of NR/NBR/ENR blend was investigated.
通过制备共烧叠层片式元件实验，指出其难点在于内电极的抗氧化性能以及与陶瓷界面接触上。
After the trial of co-fired multilayer chip type component, found the difficulties were oxidation resistance of interior electrode and interface contact between the electrode and ceramic.
以过氧化二异丙苯(DCP)为引发剂，使用反应挤出机研究了不同种类聚乙烯及其共混物接枝马来酸酐的反应规律。
Taking DCP as initiator, the reaction rule of different kinds of PE and their blends grafted with MAH in a reactive extruder was studied.
实现甲烷和二氧化碳共活化转化是催化领域最具挑战性的课题之一。
It is one of the most challenging subjects to realize the co-activation and conversion of methane and carbon dioxide in the catalysis field.
研究了45钢、T10钢固体粉末法稀土硼铬共渗工艺及渗层的耐磨性、耐蚀性和高温抗氧化性能。
The processes and properties of RE-B-Cr coating of 45 and T10 steel with solid power have been researched.
盾叶薯蓣细胞与内生真菌re0105共培养第二代的性状与POD、PPO和PAL活性和过氧化物酶、多酚氧化酶、酯酶同工酶谱带与第一代相比比较稳定。
The second generation callus of co-culture of cell and RE0105 was stable in culture character, POD, PPO and PAL activities and isoenzyme bands of POD, PPO, EST.
结果表明氧化铝纤维与硅相之间存在共格界面，可作为硅相非自发形核的衬底；
The results indicate that there is a coupled interface between alumina fiber and Si phase, and the fiber can serve as propitious sites for the heterogenous nucleation of Si phase.
综述了近年来共掺杂二氧化钛光催化剂的研究进展。
The recent progresses of codoped titania photocatalyst are reviewed.
共混膜具有较好的热稳定性、氧化稳定性和力学性能。
Besides, the thermal stability, mechanical strength and oxidation stability were also good enough for demand of AAEMFC.
本文共分三章进行论述，其摘要如下：1。环氧化合物是一种重要的含氧三元杂环化合物。
Expounded in this article is divided into three chapters, which are summarized as follows:1. Epoxide and its derivatives are important triatomic heterocyclic compounds.
综述了国内外环氧化天然橡胶(enr)共混物与复合材料的研究现状和应用发展趋势。
Recent progress in the research of blends and composites of epoxidized natural rubbers (ENR) was reviewed with 11references.
储运：宜存放阴凉处，避免高温，不可近火，勿与氧化剂共储运。
Store&shippmeng:store in cool place, avoid high temperature, taking away from fire and profibit to store with oxidant agent.
二氰基蒽（DCA）敏化的电子转移光氧化使桃金娘烯醇的产率略有改善，但是，添加联苯作共敏化剂使产率几乎翻了一番。
The yield of myrtenol (II) is a little improved by electron-transfer photooxygenation with dicyanoanthracene (DCA), but is almost double by the addition of biphenyl as cosensitizer.
二氰基蒽（DCA）敏化的电子转移光氧化使桃金娘烯醇的产率略有改善，但是，添加联苯作共敏化剂使产率几乎翻了一番。
The yield of myrtenol (II) is a little improved by electron-transfer photooxygenation with dicyanoanthracene (DCA), but is almost double by the addition of biphenyl as cosensitizer.
应用推荐