钋是高放射性的元素,金属.Polonium is a highly radioactive element and a metalloid.两个遗留有钋的星球被一些不明原因突然破坏.Two old plutonium disposal plants damaged at once by some unestablished reason.钋的同位素在自然界中的确存在,但是相当罕见.The isotope does occur in na...
The companies were greatly inconvenienced by the postal delays.邮件延误给这些公司造成极大不便.The president applied a chokehold to labor disputes that inconvenienced the public.总统制止了这次给公众带来不便的劳资纠纷.All the residents have been c 0066 > i...
Homoserine has also been implicated in the biosynthesis of methionine.同型丝氨酸也牵涉到蛋氨酸的生物合成.Dr Blackwell studies a group of quorum - sensing molecules called acylated homoserine lactones ( AHLs ).Blackwell博士研究了群体感应中的一种叫做酰基高丝...
尤其适用于含铅、含硼的釉药.Especially indicated for glazes which contain lead and boron.通过电解化学相分析和热力学计算, 检测并分析了含硼的析出物.By means of an electrolytic dissolution technique and Thermo - Cal calculation, the precipitates containing boron w...
北威尔士最西部是说威尔士语人的聚居区。The western-most part of north Wales is a stronghold of Welsh-speakers.他在萨里市郊富人聚居区的舒适环境中长大。He grew up in the comfort of the Surrey stockbroker belt.他们住在艺术家聚居区.They live in an artists'colony....