half-life
half-life
- 美：[美 ]
- 英：[英 ]
基本释义：
- n.半衰期；（放射性物质的）半衰期
- 网络半条命；战栗时空；半生期
权威英汉双解
1. | （放射性物质的）半衰期the time taken for the radioactivity of a substance to fall to half its original value |
2. | 半衰期the time taken for the concentration of a reactant to fall to half of its original value in a chemical reaction |
英汉解释
英英解释
n. | 1. the amount of time that is needed for a substance to lose one half of its radioactivity |
网络词意
1. | 半条命 半条命(HALF-LIFE)全中文版(中文语音+中文界面+内置CS1.6+BOT机器人)顶一下 (54) 88.5% 踩一下 (7) 11.5% 文件结构体系完 … www.jcku.com|基于9015个网页 |
2. | 半衰期 半字的解释---在线新华字典 ... 半数〖 halfof;partof;restof〗 半衰期〖 half-life;half-lifeperiod〗 半死不活；半死半活〖 dying〗 ... xh.5156edu.com|基于1674个网页 |
3. | 战栗时空 问战栗时空(HALF-LIFE)人物介绍还有1代该怎麽破关(我玩到打一个很大浮在空中像婴儿一样的魔王，被牠传送到另一个地方就 … tw.knowledge.yahoo.com|基于683个网页 |
例句
But the half-life of market domination seems to be dwindling.
但是似乎这些公司的垄断半衰期一直在缩短。
dongxi.net
It accumulates in the cooling water of nuclear reactors and is often vented in small amounts to the environment. Its half-life is 12 years.
氚聚集在核反应堆的冷却水中，通常以微量排放到环境中，其半衰期为12年。
article.yeeyan.org
When Hazen's team put oil samples in a laboratory setup designed to mimic Gulf conditions, it had a half-life of between one and six days.
当黒曾团队将油样放入模拟的海湾背景下的实验室，油样有一个在一天和六天之间的半衰期。
www.suiniyi.com
"Half-Life 2" , which came out in 2004, took six years to develop, whereas new episodes can be put together in a year or so.
2004年发行的《半条命2》花费了六年时间开发，而游戏的新章节仅需一年左右就可完工。
www.ecocn.org
In particular, the half-life of ethyl mercury is short (less than 1 week) compared with that of methyl mercury (1. 5 Months).
特别是乙基汞的半衰期较短（少于1周），而甲基汞的半衰期为1.5个月。
www.who.int
Furthermore, the long half-life of the metabolites could cause their accumulation and induce apparent injuries of target organs.
而且，此代谢物的半衰期极长。故极易累积于体内造成标的器官明显的伤害。
www.ceps.com.tw
Iodine-131 has a half-life of about a week, meaning that levels in water could fall quickly if new doses aren't introduced.
碘-131的半衰期在一个星期左右，所以如果没有新的剂量进入，水中的放射性可能就会很快下降。
chinese.wsj.com
Scientists estimate the half-life of CO2 might be close to a hundred years.
科学家估计，二氧化碳的半衰期可能接近于100年。
www.ftchinese.com
Iodine-131 has a half-life of roughly a week, which means levels could fade if new radioactive material isn't added.
碘-131的半衰期约为一周，也就是说如果没有新的放射性物质加入，辐射水平有望降低。
c.wsj.com
Half-life is the time required for half the quantity of the protein to be broken down and eliminated from the joint space.
半衰期指一半蛋白从关节腔中分解和消失用的时间。
xueshu.anxue.net
