随着硝酸浓度的降低,镅的吸附率迅速升高,当溶液的pH值大于5时, 碳纳米管对镅的吸附率达到99.95%以上.When pH & gt ; 5, more than 99.95 % of Am can be adsorbed by CNTs.Si ( Au ) 面垒监测器对镅、锔浓度测定精度为±5%.The precision of 243 Am and 244 Cm concentration determination using S...
He's an archaeologist and has been on a dig in Crete for the past year.他是位考古学家，过去的一年都在参与克里特岛上的一项考古发掘工作。Hawass, a famed archaeologist and Egyptologist, said the man's name is Imhesy.哈瓦斯是著名的考古学家和埃及古物学家, 他说这名男子叫伊米...
安开始弹吉他时，莫莉感到有些难堪。Molly had cringed when Ann started picking up the guitar.他在教堂的乐队里弹吉他，度过了他的青少年时期。He spent his adolescent years playing guitar in the church band.她在试着教他弹吉他。She was trying to teach him to play the guitar....
In youth passion is preponderant.青春期最热情.Yellow was the preponderant color in the room.黄色是这个房间的主色.Melancholy is the preponderant mood of the poem.忧郁的感情是该诗的基调....
His letters, like his poetry, are life-enhancing and a delight.他的信跟他的诗一样，读来令生活更添滋味，可谓一大乐事。The drug increases the number of red cells in the blood, enhancing oxygen uptake by 10 percent.这种药增加了血液里的红细胞数量，从而将摄氧量提高了10%。Nanome...
Gates, Buffett and Turner have been quietly worrying about Malthusian population problems for years.盖茨 、 巴菲特和特纳多年来一直都在暗自担忧马尔萨斯(Malthus)所提出的人口问题.This passage introduces of population pressure - the greatest feature of mod...