本文报道了用菱锌矿作原料,制备硫酸锌的工艺条件.The technological conditions of the preparation of zinc sulfate with smithsonite as raw materials was reported.研究了以菱锌矿为原料通过酸浸、除杂、中和、沉淀、干燥制备碱式碳酸锌和活性氧化锌的生产工艺.A process for the production of basic zi...
Cayton describes himself as comfortably well-off.凯顿形容自己衣食无忧。My grandparents were quite well off.我的祖父母很富有。Most of these people aren't very well off.这些人大都不算太富裕。...
林肯公园的广告插图出自比尔·霍夫斯塔特之手。The artwork for the LP was done by Bill Hofstadter.这些人被传唤，上周有30人到霍夫地方法院接受讯问。The men were summonsed and last week 30 appeared before Hove magistrates.经过大量研究，艾伯特·霍夫曼于1938年首次成功合成了该酸性物质。After extensive ...
They will make economies by hiring fewer part-time workers.他们将通过减少雇用兼职工人来节省开支。Different economies, with different currencies, should not be aggregated to produce uniform policies...不同的经济有着不同的货币，不应该视为一体以制定出统一的政策。The parad...