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

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