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。
No, Chloral Hydrate has a half-life of only 4 hours in people with a high tolerance.
不是，对“水合三氯乙醛”有较高耐药能力的人，它的半衰期仅为4个小时。
The more dangerous methyl mercury, known to damage nerves, has a half-life of 44 days.
而更危险的甲基汞(可损伤神经)的半衰期是44天。
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%。
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。
As for notched specimen, the fatigue life prediction using fatigue factors of half-life section is the smallest.
对于缺口疲劳试样，则采用半寿命阶段的疲劳参数的预测结果为最小。
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。
If you paid off the national debt at one dollar a year it would take6.4times as long as the half-life of the enzyme reaction.
如果你用每年一元的速度还国债，需耗费的时间相当于这个反应半生期的6。4倍。
Now the challenge for all of us is: how do you create environments that allow these ideas to have this kind of long half-life, right?
现在我们所有人面临的挑战是：你怎么创造环境允许这些想法有这样长的半衰期，是吧？
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 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。”
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