The purpose of ( a ) is to facilitate fiberization and of ( b ) to reduce crystallizing tendency.办法 ( a ) 的目的是改善纤维形成,办法 ( b ) 的目的是减少折晶倾向.Crystallizing water forms repeating patterns in snowflakes and on frosty surfaces.雪...
Hydrogen is a one - valence element.氢是一价的元素.Valence is a sleepy little town just south of Lyon.瓦朗斯是里昂南面一座寂静的小镇。Every element tends to satisfy both its primary and secondary valence.每一元素倾向于既满足它的主价又要满足它的副价....
He inks a drawing in.他将铅笔画的线条用墨水描过.In addition, such as UV - curable inks, electron - beam curing inks.另外, 如UV固化油墨 、 电子束固化油墨等.Various new pigments for producing colored inks were also developed.各种各样用来生产彩色油墨的色料也发展起来了....