英语翻译Several catalysts having activity for the catalytic conversion of methanol into DME are known as the so called acidic dehvdration catalysts．It is generally accepted that acid catalysts are the best materials for the dehydration of metha

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英语翻译Several catalysts having activity for the catalytic conversion of methanol into DME are known as the so called acidic dehvdration catalysts．It is generally accepted that acid catalysts are the best materials for the dehydration of metha

英语翻译Several catalysts having activity for the catalytic conversion of methanol into DME are known as the so called acidic dehvdration catalysts．It is generally accepted that acid catalysts are the best materials for the dehydration of metha
英语翻译
Several catalysts having activity for the catalytic conversion of methanol into DME are known as the so called acidic dehvdration catalysts．It is generally accepted that acid catalysts are the best materials for the dehydration of methanol to dimethyl ether and that Bronsted or Lewis acids are capable of performing this reaction．As examples of known acidic dehydration catalysts alumina,e．g． 一alumina,silica,alumina—silica mixtures,crystalline aluminosilicates,crystalline zeo-lites,clays,and phosphates such as alumi nium phosphates may be mentioned

英语翻译Several catalysts having activity for the catalytic conversion of methanol into DME are known as the so called acidic dehvdration catalysts．It is generally accepted that acid catalysts are the best materials for the dehydration of metha
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具有能将甲醇催化转化成DME（二甲醚）的活性的几种催化剂被称为所谓的酸性脱水催化剂.人们一般都认可酸催化剂是甲醇脱水成二甲醚的最佳材料,并且认可布朗斯台德酸或路易斯酸能够进行这种反应.作为已知的酸性脱水催化剂的例子,例如一氧化铝、二氧化硅、氧化铝 - 二氧化硅的混合物、结晶硅铝酸盐、结晶沸石吸住、粘土,和磷酸盐（如磷酸铝）斗可以被提及.

catalyst 英语翻译develop several options 英语翻译The report says that “Hosting international events can act as a catalyst or stimulus to shape and develop an urban investment market for several business cycles once an event has been awarded to a city.” It adds,“This means that alm 英语翻译It is of interest to know whether the ion-exchanged metalcould leach out from the zeolite pore.Leaching experiment forhydroxylation of phenol performed using OV–Y catalyst as arepresentative catalyst.The catalyst was recovered by filtra 英语翻译Catalyst work by providing an alternative reaction route with a lower activation energy 英语翻译翻成中文：I am a catalyst to end human trafficking. several several several several several stripped catalyst什么意思 diesel oxidation catalyst是什么意思 the catalyst是什么意思 fluid catalyst cracking post-catalyst什么意思 英语翻译the sulfuric acid is present as an acid catalyst in the generation of the electrophiilic nitronium ion. 英语翻译several 我不知道怎么翻译