The catalysts and processes for conversion of aromaticswere reviewed , especially those for catalytic hydrodealkylation and transalkylation.重点阐述了催化加氢脱烷基和烷基转移反应特点和有关催化剂的研究以及国内外主要工艺发展现状....
Practically or ethically, we cannot simply admonish them to not clear forest.不管是基于实际上或道德上的考量, 我们都不能单只责备这些人、叫他们不准砍伐森林.This approach explores why people fail to act ethically in specific situations.这种方法探求为什么在一些特定情形下,人们无法做出...
The original version featured a guitar solo.吉他独奏是原版的特色。He sat on the bed, idly plucking the strings of his guitar.他坐在床上, 随意地拨着吉他的弦.He sat on the bed,idly plucking the strings of his guitar.他坐在床上,随意地拨着吉他的弦。Bronka is somew...
Some analysts downplayed the significance of RIM's flat shipments and sales.一些分析师并不认为RIM当季出货量和销售额持平有什么问题.Some analysts believe he has made a canny political manoeuvre.一些分析家认为，他的这一政治举措很高明。Wall Street analysts have be...
He is polished, charming, articulate and an excellent negotiator.他文雅、迷人、能言善辩，是一名优秀的谈判人。I find life more charming and more astonishing than I'd ever dreamed.我发现生活比我想象的更迷人、更不可思议。This interesting and charming creature ...
When she walked onstage she was given a standing ovation.当她走上台时，观众起立鼓掌欢迎。We were standing onstage playing completely out of time.我们站在舞台上，演奏得完全不合节拍。Onstage, the musicians are actually sitting behind the loudspeakers.舞台演出时...