研究了盐酸直接浸取钛铁矿的浸取动力学.The reaction kinetics leading ilmenite directly by acid was investigated.含铁氧化物的矿物有磁铁矿、赤铁矿、褐铁矿、钛铁矿等.I. oxid, include magnetic iron orered iron ore , brown iron ore, etc.主要伴生矿物为磁铁矿、钛铁矿, 少量黄铁矿和微量黄铜矿.Assoc...
他对一些毒药的性质和作用的描述惊人地准确。Her description of the nature and action of poisons is amazingly accurate.准确地说，早间电视节目于10年前进入英国人的生活。Breakfast television arrived in British life precisely a decade ago.我觉得我能准确预料此事的政治后果。I believe I am ...
我们现在可以非常清楚地听到他们沉重的脚步声。We could now very plainly hear their heavy tread.我的心怦怦直跳。脚步声已停在我的门外。My heart was hammering. The footsteps had stopped outside my door.所有的人都竖起耳朵听楼梯上传来的脚步声。All ears were cocked for the footsteps on th...
Mother and son lost contact when Nicholas was in his early twenties.尼古拉斯20岁出头的时候母子就失去了联系。It was paid to her in greenbacks -- three twenties, six tens, and six fives.这份薪水是用绿色钞票付给她的 -- 三张20块, 六张10块, 还有六张5块.It was written i...
船员们在50节的大风与滔天巨浪中深陷困境。The crew are in serious trouble in 50-knot winds and huge seas.滔天巨浪盖过礁石.Waves mountain - high broke over the reef.那艘船淹没在滔天巨浪中.The ship sank in mountainous seas....
How do acids react on metals?酸对金属会起什么样的化学反应?By this mechanism, new phosphatides containing the fatty acids of phosphatidyl choline may be prepared.根据这个原理, 可以制备含有磷脂胆碱脂肪酸的新磷脂.Acylglycerol ( glyceride ) An ester of glycerol...