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- The use of molecular oxygen as the stoichiometric oxidant should be advantageous because it is inexpensive,readily available,and ultimately produces benign byproducts such as H_2O. 鉴于分子氧具有经济、环保、易得的优势,本文从均相催化、多相催化以及新材料的应用等角度阐述了近年来液态醇以分子氧为氧化剂选择氧化到醛酮的进展。
- Advances in cleaner oxidation of alcohols by molecular oxygen instead of stoichiometric oxidants in supercritical carbon dioxide are introduced according to the catalytic systems. 摘要本文以催化剂体系为主线,介绍了超临界二氧化碳中以分子氧代替化学计量氧化剂的醇类清洁氧化技术的研究进展。
- stoichiometric oxidant 化学计算的氧化剂
- Corey as the oxidant, the yield achieved 74.0%. 反应温度为25℃;收率:74.;0%25。
- The stoichiometric coefficients are pure numbers with no units. 化学计量系数是没有单位的纯数字。
- It is bleacher, it is strong oxidant. 它是漂白剂,又是强氧化剂。
- Stoichiometric displacement theory and its applications II. 计量置换理论及应用2。
- GEN caused DNA damage but not due to oxidant effect. GEN导致细胞DNA断裂,但不是由其氧化效应引起。
- It plays the role as oxidant and substrate respectively. 它分别扮演氧化剂和反应底物的角色。
- Application: general tonic, anti oxidant, anti cancer. 气 血虚寒,阳虚手足冰冷。
- Beim "nichtgeradekleinen" OXID ist es noch nicht der Fall. Mhmm; ein paar Namen w鋜en sch鰊 - Danke.
- We began our analyses with a focus on a particularly efficient oxidant, ozone. 我们开始分析时,焦点锁定在一种强氧化剂:臭氧。
- Analysis by volumetric procedures requires that some method of indicating the stoichiometric end point be employed. 用容量法进行分析时,需要使用一些指示化学当量终点的方法。
- Afterburner systems, designed to operate up to a stoichiometric overall mixture strength, are always fairly close to combustion instability or screech. 要使加力燃烧系统在理论化学组成量的总混合浓度下还在一直工作,这样的设计通常都很接近于不稳定燃烧或振荡燃烧。
- In many cases, oxidant materials may also be corrosive and/or toxic. 在许多情况下,氧化剂材料还是有腐蚀性和/或毒性的。
- The problem associatd with the deletion of the singular equations on the stoichiometric matrix of bioreaction network equations (BRNEs) was discussed. 摘要本研究探讨代谢网路计算中删除奇异方程式之方式及所造成的问题。
- The reaction is stoichiometric and there is no regeneration of the active site and no turnover of AGT. 过度表达AGT的转基因鼠可免患烷基致癌剂诱导的肿瘤,无AGT活性的小鼠对甲基亚硝基脉的致癌效应尤其敏感。
- The crystallization of the stoichiometric cordierite was studied by using TG-DTA and XRD. 采用TG-DTA、XRD分析了理论化学组成的堇青石微晶玻璃的晶化行为。
- Single crystal of Cr~(3+): LiCaAlF_6 was grown by vertical Bridgman method from stoichiometric composition melt. 用垂直Bridgman法从化学计量比组份的熔体中长出Cr~(3+):LiCaAlF_6单晶。
- I. oxid, include magnetic iron ore, red iron ore, brown iron ore, etc. 一、氧化铁:含铁氧化物的矿物有磁铁矿、赤铁矿、褐铁矿、钛铁矿等。