half-life

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。

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。

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。

"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。

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。

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。

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。

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。

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。

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。

Such a short half-life to facilitate the treatment of the operation, but also easy to play a role in radioactive antibody.

如此短的半衰期便于治疗操作，也便于放射性抗体发挥作用。

This half life of technical skills is without parallel in any other industry.

技能的日新月异是其它任何行业都无法相提并论的。

Near my home in a small yard , as if there is a small half-life is necessary to bloom .

在我家附近的一间小破屋子里，仿佛半有一个小生命就要绽开，却又含苞欲放。

So, it become one of important tasks of recombined peptides drugs reconstruction to prevent degradation rapidly and prolong half-life of.

防止多肽在体内迅速降解、延长半衰期成为蛋白质工程药物改造的重要课题之一。

Their half-life in the body is estimated to be seven to eleven years.

它们在体内的半衰期估计为7至11年。

With a 30-year half-life, dangerous amounts can remain for years in pasture that might be grazed by livestock.

因为铯-137的半衰期长达30年，所以放牧牲畜的牧场可能会持续几年都含有危险剂量的辐射。

Half-Life showed us very well that you could add a deep story into a game and the player would be thrilled to play it.

Half-Life很好的向我们展示了你可以再游戏中添加深刻的故事，玩家会玩的很激动。

Cesium-134 is considered somewhat less of a long-term problem because it has a half-life of two years.

铯134被认为影响没有那么长久，因为它的半衰期是两年。

The compositions and methods are useful for modulating the plasma circulation half-life of an active agent.

这些组合物和方法可有效调节活性药物的血浆循环半衰期。

Very long half-life of plutonium, will enter the body with breathing a high likelihood of cancer.

钚的半衰期非常长，随呼吸进入人体后会致癌的可能性极高。