利用HPLC和RIA检测血浆同半胱胺酸、维生素B6 、 维生素B12 、 与叶酸的浓度.Plasma homocysteine, vitamin 12 vitamin B 6, and folic acid concentration were analyzed by HPLC and RIA.本文报道了我们采用表面增强拉曼散射光谱方法研究在金电极表面吸附的半胱胺单分子膜的结构特征.The structural characterist...
But few at the conference in London last week heeded his warning...但在上周于伦敦召开的大会上，几乎没有人留意他的警告。The window had been replaced last week during routine maintenance.上周例行维修的时候换了窗户。Leaders of some rival factions signed a peace a...
They left by twos and threes.他们三三两两地离开.It can be a deadly weapon, upping the tempo, knocking down threes, adding intensity.他们可以成为致命的武器, 这样的发展速度, 换下3个球员, 却增加了更多的强度.The students are coming into the classroom by twos and th...
Harry inherited the house and a sizeable chunk of land.哈里继承了这座房子以及相当大的一片土地。His mother inherited a farm worth 15,000 dollars a year.他母亲继承了一处年产值为1.5万美元的农场。Doctors say the disease is probably inherited but not detectable at...
汽车已经满人了,但是我还是设法挤了进去.The car was full but I squeezed in any way.当我们到达地, 讲堂已经坐满人了,我们被挤在外边.When we arrived, the auditorium was already filled and so we were crowded out.一辆坐满人的吉普车疾驶而过,溅了我一身水.A jeep, full of people, sped dren...
Requirements: Valve must be tight against reverse flow under all pressure differentials.要求: 在所有压差下,阀门对于回流的密封必须紧密.Detectives have run into a conspiracy of silence in the tight-knit communities of the peninsula.侦探们犯了难，半岛上各...