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.
Olivia's face convulsed in a series of twitches.奥利维娅的脸上一阵抽搐。No response, just a flutter of flanks and a few ear twitches.没反应, 只有胁腹和耳朵动了几下.BCEF ( 50,100 mg · kg ~ - 1 ) could distinctly increase the head - twitch num...
玛丽安的睡眠越来越不安静了.The repose of Marian became more and more disturbed.她的声音却飘出了窗外,给不安静的黑夜增添了一丝不安宁.Her voice floated out to swell the night's uneasiness.当我不安静的时候,你总是陪我到终点.Und deshalb leg'ich meine kleine grosse Welt ...
她不小心把架子上的茶叶罐碰了下来。She accidentally knocked the tea tin off the shelf.他自己动手能力太差，甚至连搭个架子都不会。He's useless at DIY. He won'teven put up a shelf.他伸手去够身后架子上的一罐烟叶。He reached for a tin of tobacco on the shelf behind him....
鳄类动物鳄类爬行动物, 如短吻鳄 、 凯门鳄或长吻鳄.A crocodilian reptile, such as an alligator , a caiman, or a gavial.比如, 据说在亚马逊河一带, 水莽 会一口吞下一只凯门鳄.Today's anacondas, for example, are known to gulp down caimans in the Amazon. "...
小熊猫种内遗传及亚种分化研究 ( 食肉目: 浣熊科 )CENETIC AND SUBSPECIES DIVERGENCES WITHIN THE RED PANDA ( CARNIVORA: PROCYONIDAE )其中食虫目1种 、 翼手目1种 、 食肉目1种、啮齿目7种.Among tham , 7 species is belonged to Rodenria, and Carnivora, Chiroptera and Ins...