语文书 / 例句 /

Tritium has a half - life of 12.4 years.是什么意思？

Tritium has a half - life of 12.4 years.

氚的半衰期为12.4年,地球形成时的氚早已不存在.

相关词汇
tritium has half life of years

tritium

n. 氚（氢的放射性同位素）；

has

v. 有( have的第三人称单数 )，（亲属关系中）接受，拿，买到；

half

adj. 一半的，半个的；n. 半，一半，（啤酒等饮料的）半品脱，（比赛、音乐会等的）半场；adv. 一半，部份地；

life

n. 生活，生计，生命，性命，一生，寿命，人生，尘世；

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

years

n. 年( year的名词复数 )，年纪，一年的期间，某年级的学生；
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
However, Hegel exerts a subtle influence on the thought of Kierkegaard.
然而, 克尔凯郭尔的思想又受到黑格尔潜移默化的影响.
A lot of Latin-American officials are stressing the symbolic importance of the trip.
许多拉丁美洲的官员都在强调此行的重要象征意义。
"He rang me just now," she interposed.
“他刚刚给我打过电话，”她插嘴说。
Saint Francis of Assisi was born here in 82 and died here in 22 '.
阿西尼的圣·弗朗西斯82年生于此地,22'年卒于此.
AbC will also look at cost interrelationships.
aBC公司也会注意成本之间的相互关系.
She became involved with political causes after the Chernobyl nuclear disaster.
在切尔诺贝利核泄漏灾难发生以后，她开始投身政界。
After a moment's break , Mel interjected.
在短暂的沉默之后, 梅尔插了进来.
Both are marked by skepticism toward truth, objectivity, and coherent narratives.
这两者之所以受重视在于它们对真理, 客观性, 与前后一致的说明抱持怀疑论.
The pound continued to sag despite four interventions by the Bank of England.
尽管英格兰银行四次出手干预，英镑仍不改颓势。
There are positive interrelationships between emotional labor and teachers'self - efficacy.
情绪劳务负荷与教师 自我 效能之间呈显著正相关.
You talked to that Crowley kid the night he was murdered?
克罗利家那小伙子被杀那晚你跟他通过话 吧 ?
He came down here to find investors for that moronic club of his.
他来这里给他那个白痴俱乐部找投资人.
"Will you do this for me, Leo? It's the only way."— 'It's highly irregular. Ralph.'
“利奥，你能为我做这件事吗？这是唯一的办法了。”——“拉尔夫，这么做是很不正当的。”
Members of some ancient races intermarried with their own sisters.
一些古代种族的成员与他们自己的姐妹们通婚.