The reaction kinetics leading ilmenite directly by acid was investigated.研究了盐酸直接浸取钛铁矿的浸取动力学.Mining ilmenite makes serious surface water pollution, and degenerates ecological environment.钛矿开采严重污染地表水, 并使矿区生态环境普遍退化.Associat...
大多数海洋腹足纲软体动物在某些幼体阶段形成一种有纤毛的游泳器官。Most marine gastropod mollusks develop a ciliate swimming organ in certain larval stages.其中,双神经纲3种,瓣鳃纲68种,腹足纲80种.Among them there are 3 species of Amphineura, 68 species of Lamellibranchi...
On the basis of coalescing this kind of element can separate oil from compressed air.采用凝聚原理,分离压缩空气中的油份.The monomer droplets are prevented from coalescing by agitation and the presence of suspension stabilizer.可通过搅拌和加入悬浮稳...
A speckled hen swaggered down the main street of the'settlement ", cackling foolishly.一只花母鸡沿着 “ 居民点”的大街一摇一晃地走着, 一面咯咯地傻叫....a slim brown man with a speckled turban.一个戴着花头巾、身材瘦削、棕色皮肤的男子...a large brown speckled egg......
室内有巨大的吊窗和高高的天花板,这使他的办公桌显得太小了.Giant such windows and high ceilings completely dwarfed his desk.他把头探出吊窗向外张望.He stretched his head out of the sash and looked outside....