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- selective oxide flotation 氧化物优先浮选
- This review covers the trend and current status of dynamic structure study of oxide catalysts for selective oxidation of alkane. 本文综述了近年来低碳烷烃选择氧化反应中氧化物催化剂动态结构的研究进展。
- Abstract: The reaction conditions, catalysts of selective oxidation of propane to acrolein and the mechanism of acrolein formation were reviewed. 文摘:论述了丙烷选择氧化制丙烯醛催化反应的反应条件、催化剂和丙烯醛生成机理等方面的研究进展。
- The product using carapace elements as its raw material is obtained by six selective oxidation preparation. 该产品采用特殊处理的甲壳素为原料，经六位选择性氧化制备得到。
- The reaction conditions, catalysts of selective oxidation of propane to acrolein and the mechanism of acrolein formation were reviewed. 论述了丙烷选择氧化制丙烯醛催化反应的反应条件、催化剂和丙烯醛生成机理等方面的研究进展。
- Selective oxidation of isobutylene to methacrolein is a key step of the isobutylene method for methyl methacrylate production. 异丁烯选择氧化制备甲基丙烯醛是异丁烯法制备甲基丙烯酸甲酯的关键步骤。
- There are two parts here including in-situ synthesis of W-MCF and the use of microwave in selective oxidation of alcohols. 本论文包括原位合成介孔多相催化剂用于醇氧化和微波过程强化新技术醇催化选择氧化中应用两个部分。
- Synthesis of perillaldehyde via selective oxidation of perilla alcohol by supported CrO3/SiO2 oxidant is studied in this paper. 研究了紫苏醇选择氧化合成紫苏醛的反应,考察了氧化剂负载量、氧化剂用量和反应温度对紫苏醛产率的影响。
- How can you get rid of this oxide coating? 你们该怎样除去这些氧化皮？
- Light alkenes production by hydrocarbon selective oxidation is one of the promising alternative ways to replace conventional steam cracking. 摘要在探索替代传统的烃类蒸汽热裂解制取低碳烯烃工艺的众多研究中，烃类经选择氧化制取低碳烯烃是具有发展前景的方法之一。
- Direct selective oxidation of propane to acrylic acid and acetic acid over VPO catalyst is studied using molecular O2 as oxidant. 以分子氧为氧化剂，在焦磷酸钒（VPO）催化剂上研究了丙烷直接选择氧化制取丙烯酸和醋酸。
- The process for the catalytic dehydrogenation of ethylbenzene to styrene with simultaneously selective oxidation of hydrogen was considered to have a wide application foreground. 介绍了近年来合成苯乙烯新技术,即乙苯脱氢-氢气氧化-乙苯脱氢工艺的催化剂开发、艺开发和工业应用的进展。
- A mixture of black manganese oxide minerals. 硬锰矿一种黑色氧化锰矿的混合物
- Sulfur compounds in Russian atmospheric gas oil were separated into thiophene and thioether compounds by the oxidation-reduction method using selective oxidant and reducing agent. 摘要采用选择性氧化剂和还原剂对俄罗斯直馏柴油中的硫醚类硫化物和噻吩类硫化物分别进行分离和富集，得到两者的浓缩液。
- A gaseous anesthetic, such as nitrous oxide. 气体麻醉剂一种气态的麻醉剂，如一氧化二氮。
- The effects of temperature and air speed were investigated on the selective oxidation of n-pentane to phthalic and maleic anhydrides using the VPO-U catalyst. 研究了VPO-U型催化剂用于正戊烷选择性氧化制备苯酐和顺酐的催化性能,考察了反应温度和空速对反应过程的影响。
- The results show that the re oxidation temperature of VPO catalyst is very important to n butane selective oxidation to MA operated under unsteady state mode. 在固定床微型反应器中,利用在线质谱动态响应技术,考察了VPO催化剂再氧化温度和不同氧物种对正丁烷选择氧化制顺酐(MA)的影响。
- In this paper, oxidative procedure of chromic acid and chromic acid derivatives is described. The selective oxidation of chromic acid derivatives is explained by their structure. 探讨了铬酸及其行生物的氧化过程,并从结构上解释了铬酸衍生物的选择性氧化作用。
- At room temperature and atmospheric pressure, using O2 as an oxidant, HBr and tert-butyl nitrite as catalysts, selective oxidation of a broad range of sulfides was achieved. 摘要在常温常压下，以氧气为氧化剂，溴化氢和亚硝酸叔丁酯为催化剂，高选择性地催化氧化了一系列硫醚。
- She helped to select a dress for Ruth. 她帮着给露丝选了一件衣裳。
