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当使用~ ( 238 ) Pu作示踪剂, 强度在0.29dpm时, 回收率为77±10%.用英语怎么说？

当使用~ ( 238 ) Pu作示踪剂, 强度在0.29dpm时, 回收率为77±10%.

When ~ ( 238 ) Pu is used as a tracer, its recovery is 77±10 %, with activity being 0.29 dpm.

相关词汇
when is used as tracer its recovery with activity being DPM

when

adv. 什么时候，（用于时间的表达方式之后）在那时，其时，当时；conj. 在…时，既然，如果；pron. 什么时候，那时；n. 时间，时候，日期，场合；
例句
It was a Christmas when shoppers passed by expensive silks in favor of more practical gifts.
这是一个购物者不理会昂贵的丝绸衣服而热衷于更实用礼物的圣诞节。

is

vt.& vi. 是（be的三单形式；n. 存在；
例句
Bollinger 'RD' is a rare, highly prized wine.
博林格RD香槟是一种名贵的备受推崇的葡萄酒。

used

adj. 用过的，习惯于，二手的，旧的；v. 使用（ use的过去式和过去分词），常常，经常；
例句
The gym can be used by both able-bodied and disabled people.
这家健身房健全和残障人士都可使用。

as

adv. 同样地，一样地，例如；prep. 作为，以…的身份，如
例句
As far as I can recall, Patti was a Smith.
我记得帕蒂是姓史密斯的。

tracer

n. 追踪者，描图者，（铁笔等）绘图工具；
例句
Planar and SPECT cisternography revealed accumulation of the tracer near the skull base.
单光子计算机断层脑池造影图象显示颅底附近有同位素聚集证实有脑脊髓液渗漏.

its

pron. (it的所有格形式)它的，厥；
例句
The government is to accelerate its privatisation programme.
政府将加快其私有化计划的进程。

recovery

n. 恢复，复原，重获，痊愈，矫正；
例句
The Chancellor of the Exchequer says that economic recovery is just around the corner.
财政大臣说经济即将复苏。

with

prep. 和，跟，随着，关于，和…一致；
例句
A waiter entered with a tray...
侍者端着托盘进来了。

activity

n. 活动，活跃，敏捷，活动力，教育活动；
例句
Budding linguists can tune in to the activity cassettes in French, German, Spanish and Italian.
崭露头角的语言学家们可以收听法语、德语、西班牙语和意大利语的活动磁带。

being

n. 存在，生物，人，要素，本质；
例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

DPM

disintegrations per minute 衰变/分；
例句
Objective To evaluate the effect of dipyridamole ( DPM ) and adenosine ( ADO ) on interstitial pulmonary fibrosis in mice.
目的　通过腺苷 ( ADO ) 受体拮抗剂茶碱(TH),探讨ADO、双哌达莫 ( DPM ) 对小鼠肺间质纤维化过程的干预作用.
热门例句
He acknowledged publicly that he might have made a mistake.
他当众承认自己可能犯了个错误。
...the spiralling vortex airflow that slows the plane.
使飞机减速的螺旋形气流涡旋
You just go on ahead. I'll come by later...
你只管先往前走。我随后就来。
He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打儿子的,是恨恶他;疼爱儿子的, 趁早管教.
For further information, please contact 414 3925, extension 2253.
详情请致电414 3925,转分机2253。
He sat there while I made the case for his dismissal...
他坐在那儿，听我陈述解雇他的理由。
Baroness Thatcher's claims seem credible to many.
撒切尔女男爵的主张在很多人看来是可信的。
Nothing to be got without pains but poverty.
一份耕耘，一份收获。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索权当有支付义务的第一方不能支付时，可以向商业票据的背书人要求支付的权力。
相关例句
As the old cock crows, so doth the young.
有其父必有其子.
...the elder of her two daughters.
她两个女儿中年长的那个
She stood aghast at the black shadow in the drawing room.
她被客厅里的黑影吓呆了。
Life can be likened to a journey with an unknown destination.
生活可以被比作一次不知目的的旅行.
Gavin Hastings was helped from the field with ankle injuries.
加文·黑斯廷斯脚踝受伤，被扶下了场。
The Archbishop of Canterbury yesterday hit out at public figures who commit adultery...
昨天坎特伯雷大主教严厉抨击了几位与人通奸的公众人物。
So you did 'Macbeth' in the first year?' — 'No, in the first year we did 'Julius Caesar'.'
“那么你在第一年时学了《麦克白》?”——“不，第一年我们学的是《恺撒大帝》。”
Entertainers aren't the only people having to live in the shadows of their siblings.
活在手足阴影下的人,不仅仅是艺人而已.
They were usually as poor as his parishioners.
他们通常同其教区居民一样贫穷.
The Martell Cup Chase was won by the evens favourite Toby Tobias.
最被同额赌注赌家看好的托比·托拜厄斯赢得了马特尔杯追逐赛。