The kinetics of dehydrogenation of 2 - butanol to butanone on Ni Ultrafine particle catalyst has been studied.本文研究了镍超细粒子催化2-丁醇液相脱氢反应的动力学.In this thesis, the Henry coefficients of DMF, butanone and toluene in DBP were mea...
Absorbed by solvent, butanone - toluene mixture was analyzed by gas chromatography ( GC ).利用溶剂吸收采集丁酮甲苯混合组分,并用气相色谱 ( GC ) 测定.In this thesis, the Henry coefficients of DMF, butanone and toluene in DBP were measured.论文测定了DM...
Because of the slump in domestic demand, production has stopped.由于国内需求大幅下降,生产已经停止。They will discuss how to bail the economy out of its slump.他们将讨论如何使经济走出低谷。Goodyear could be vulnerable in a prolonged economic slump.经济长期疲...
人们给它起过各种各样的名称, 如 “ 基质 ” 、 “ 透明质 ” 等等.It has been given a variety of names, such as " ground substance ", " hyaloplasm ", and others.成份: 胶原蛋白 、 透明质酸 、 野菊花提取液 、 熊果苷等.Ingredients: Collagen, hyaluronic acid, chrysanthemum ex...
The island's rodent population irrupted.这座岛屿上的啮齿类动物急剧繁殖.She irrupted into our sitting room.她突然闯进我们的客厅.The crowd irrupted into a burst of patriotism.人群中爆发出一片爱国主义声音....
Of necessity they are sited near the coasts or tidal water.它们的位置不可避免地都靠近海岸线或靠近潮水河流.The fence is strategically sited to prevent anyone getting onto the beach.这个围栏的地点选择得很有策略,可以阻止任何人到海滩上.He said chemical weapons had never b...
介绍了一种氧化铝生产流程中回收镓的新方法 ——— 三段碳酸化法.A new method, three stage carbonization process, to reclaim gallium from alumna production is introduced.在砷化镓衬底上异质外延磷化镓的表面缺陷与绿色发光管 ( 摘要 )Surface Defects of Heteroepitaxial Layers of GaP on...