The first catalytic converters were called conventional oxidation catalysts.最初的转化器叫做常规氧化催化器.Many processes that are essential to the chemical industry use heterogeneous catalysts.很多重要的化学工业过程就是使用多相催化剂的.The producing techn...
Glazes had been used from ancient times in Egypt.埃及自古代起就使用釉料.Especially indicated for glazes which contain lead and boron.尤其适用于含铅、含硼的釉药.It'serves as a red colorant for glass and glazes.还用作玻璃和釉面的着色剂....
They were a helicopter to film the train going Viaduct.他们用直升飞机拍摄列车通过桥的场景.continuous viaduct连续高架桥Viaduct accounts for 86 percent of the Pearl Line.摘要明珠线全长86%是高架桥.overhead viaduct高架桥curved viaduct曲线高架桥With their aid a vita...
He slicked down his few remaining wisps of gray hair.他捋平了自己仅剩的几绺白发。His hair was slicked carefully into waves.他的头发精心地梳成了波浪状的卷发。She had slicked her hair back.她把头发往后梳得光溜溜的。...
之后,把这些头发向上竖起, 而竖起的幅度之大往往是惊人的.This is then spiked upwards, often to impressive heights.在寒冷的环境中,竖起的毛发可以隔绝冷空气,冷空气不会直接接触到皮肤, 起到保温的作用.In cold situations traps air between the hairs and skin, creating insulation and warmth....
He stifled his temptation to take hold of Ivy and shake her.他压抑住想要抓住艾薇摇晃她的冲动。I should congratulate you that you resisted the temptation.我应向你祝贺,你抗住了这种引诱.The temptation to recognize apomictic microspecies ( agamospecies ) ...