ITQ - 27 is stable to calcination in air , absorbs hydrocarbons , and is catalytically active for hydrocarbon conversion.ITQ-27对于在空气中煅烧而言是稳定的, 可以吸附烃类,以及对烃转化具有催化活性.Any of three gaseous isomeric ethylene hydrocarbons , C 4...
Hydrocarbons ( HC ), like carbon monoxide, represent unburned and wasted fuel.碳氢化合物 ( HC ) 像一氧化碳一样, 为未燃尽的和被浪费掉的燃料.With this restricted frequency range it is not applicable to hydrocarbons.这个较紧缩的频率范围不适用于烃类.These compounds...
Recent excavations testify to the presence of cultivated inhabitants on the hill during the Arthurian period.最近几次发掘证实了亚瑟王时期这座山上有农耕人口居住过。They had to plod wearily on up the hill.他们不得不迈着疲倦的步子登上山....Maple Hill.梅普尔山They climb...
The Prime Minister is preparing for a showdown with Ministers.首相正准备和部长们摊牌。He seemed to be preparing to sanction an increase in public borrowing.他似乎正准备批准增加公共贷款。The crew of the Iowa has been preparing the ship for storage....
信写好后把它装进空白信封里封好。Write your letter and seal it in a blank envelope.当他们判定我们有罪时，我的脑子顿时一片空白。When they found us guilty, I just went blank.用铅笔向上短短地勾画几道来填充空白。Fill in gaps by using short, upward strokes of the pencil....
Valentino was virtually deified by legions of female fans.瓦伦蒂诺几乎被众多的女性崇拜者奉若神明。The last of the Roman legions left Britain in AD 410.罗马军团最后一支部队于公元410年离开英国。If we pull legions from the west, the Goths will pillage us instead...
冀东迁西洒河桥是太古代麻粒岩相变质岩系广泛出露的地区.Archaean era granulite facies metamorphite series are extensively outcropped in Sa - heqiao, Hebei province.斜长角闪岩和基性麻粒岩可与世界变质拉斑玄武岩对比.The amphibolite and basic granulite may be comparable to the...