Business opportunities have a half-life, just like uranium.
商业机会有半衰期，就像铀一样。
However, if the half-life is increased, the situation changes.
然而，如果半衰期增加，情况会改变。
This radioactive element has a half-life of some 5, 700 years.
这种放射性元素半衰期约为5700年。
Radioactive iodine has a half-life of eight days and decays naturally within weeks.
放射性碘的半衰期为八天，几周内自然衰变。
So, the half-life is just the time that it takes for half of the reactants to disappear.
半衰期实际上是,一半反应物消失的时间。
Probably, the first Half-Life video game was created on the base of the one of such objects.
大概第一部“半条命”电视游戏是以一个这样的场所为基地设计的。
So in one universe, the atom decays within the first half-life, and you have an ex-cat. Or ex-qat.
在一个宇宙中，原子在第一个半衰期中衰变了，于是你有了一只前猫。
Iodine 131 has a half-life of eight days, meaning that every eight days it loses half its strength.
碘131有八天的半衰期，这意味着每八天其能量就下降一半。
Over the long term, the big threat to human health is cesium-137, which has a half-life of 30 years.
长期以来，对人体健康的一大威胁就是铯137，它的半衰期为三十年。
Light failure small (its brightness half-life) 2000 hours ageing test light failure is less than 2%.
光衰小(其亮度半衰期)2000个小时老化测试光衰小于2%。
When you walk throw me that half-life I now give you, you should have a complete life, full of happiness.
你走的时候扔给我那半条命我现在还给你，你应该有完整的生命，完整的幸福。
The city's challenge, chiefly, is to dispose of cesium-137, a radioactive isotope with a half-life of 30 years.
这座城市面临的最大问题就是处理铯—137，这是一种半衰期为30年的放射性同位素。
Taking stable iodine as a pill blocks the uptake of the hazardous radioisotope, which has a half-life of 8 days.
服用稳定的碘元素会阻止危险碘同位素的摄入，碘同位素的半衰期仅为八天。
Cesium-137, with a half-life of 30 years, is another dangerous substance emitted in a full-scale nuclear meltdown.
核反应堆完全熔解后，会释放出另一种危险物质铯- 137。铯- 137的半衰期为30年。
The danger of nitrogen-16 is an issue only for plant workers and operators because its half-life is only seven seconds.
氮16的危险只针对于核电站工人和机器操作者而存在，因为它的半衰期只有七秒钟。
One of the first tunnels. Probably, the first Half-Life video game was created on the base of the one of such objects.
首批隧道之一。大概第一部“半条命”电视游戏是以一个这样的场所为基地设计的。
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。
However, iodine-131 has a short half-life of eight days, which means it will decay away completely in the environment in a matter of months.
但碘- 131则不同，它的半衰期是八天，意味着它需要数月时间才会完全消失。
Radioactive iodine in food is of immediate concern, but it has a relatively short half-life and will naturally decay over a short time frame.
食品中的放射性碘直接引起人们的关注，但是它的半衰期相对较短并将在短时间内自然衰变。
Anyway, if you were to open this imaginary box after one half-life for the atom, you would have 1 a non-kitty or 2 a living-albeit-unreal cat.
反正，如果你在原子的一个半衰期后打开这只想象中的盒子，你可能会得到1一只“非猫”或者2一只活着且不存在的猫。
It is often said that nuclear waste has a half-life of 100, 000 years…it is worth remembering that Stonehenge was built only 4, 000 years ago.
要知道，核废料的半衰期是100000年——而英 国的巨石阵仅有四千年的历史。
As with radioactivity, stories have a half-life-in other words a period by which half of newly promoted stories are relegated to a nether page.
与放射性一样，故事有一个半衰期-换言之，就是新推荐的故事从首页到被下放的周期。
“The more we seek satisfactions in material goods, the less we find them there,” Ryan says. “The satisfaction has a short half-life -- it’s very fleeting.”
“越想在物质生活上寻找满足感，越难找到，”瑞安说：“这种满足感半衰期很短，很容易消失。”
The study further determined that NSAIDs with a long half-life or slow-release formulation are associated with a greater risk of GI bleeding or perforation.
这项研究还不能确定NSAID类药的长半衰期或者缓释剂型与胃肠道出血或穿孔的高危险性有关。
Better still, it became apparent to him that one could use radioactivity as a clock, with the half-life of a decay series enabling us to calculate the age of a rock.
更妙的是，显然人们可以用放射性作为时钟，用衰变系列的半衰期计算出岩石的年龄。
The developing thyroid gland absorbs iodine like a sponge; taking stable iodine as a pill blocks the uptake of the hazardous radioisotope, which has a half-life of 8 days.
处于发育阶段的甲状腺就如同海绵一般源源不断的吸收碘；服用稳定的碘元素会阻止危险碘同位素的摄入，碘同位素的半衰期仅为八天。
The developing thyroid gland absorbs iodine like a sponge; taking stable iodine as a pill blocks the uptake of the hazardous radioisotope, which has a half-life of 8 days.
处于发育阶段的甲状腺就如同海绵一般源源不断的吸收碘；服用稳定的碘元素会阻止危险碘同位素的摄入，碘同位素的半衰期仅为八天。
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