There are problems of urban decay and gang violence.
存在都市衰败和黑帮暴力问题。
Element 43 has a very fast rate of decay.
43号元素的衰变速度非常快。
If left untreated, decay goes deeper and deeper into the tooth.
如果不及时治疗，蛀牙会越来越深。
He pointed out that sugar is a major agent in dental decay.
他指出糖是蛀牙的主要原因。
The essential condition for the decay of the vacuum is the presence of an intense electric field.
真空衰变的基本条件是存在强电场。
Geological dates are usually obtained by using the rates of decay of various radioactive elements found in minerals.
地质年代通常是通过矿物中发现的各种放射性元素的衰变率来获得的。
The decay of Christian belief and practice is not a loss but rather an opportunity for poetry in Crane.
在克莱恩看来，基督教信仰和践行的衰败，并不是损失，反而是诗歌新生的机会。
Attack by scavengers and bacteria, chemical decay, and destruction by erosion and other geologic agencies make the odds against preservation very high.
食腐动物和细菌的攻击、化学性腐烂，以及侵蚀和其他地质作用的破坏，导致无法保存的可能性非常大。
Both it and its companions would then decay almost instantly into a plethora of less fleeting bits, some of which could be detected.
然后，它与它的伙伴们将会几乎在瞬间衰变为大批寿命更短的微粒子，其中有一些能被检测出来。
These minerals can be dated by radioactive decay techniques because of the very small quantities of radioactive trace elements they, in turn, contain.
这些矿物可以用放射性衰变技术测定年代，因为它们所含的放射性微量元素非常少。
He found that the length of time it takes a sound's echo to decay is determined by the absorption of the sound's original energy by surrounding material.
他发现，声音回声衰减的时间长短取决于周围物质对声音原始能量的吸收。
A nucleus that large cannot be stable, but it might be possible to assemble one next to a vacuum for long enough to observe the decay of the vacuum.
这么大的原子核不可能是稳定的，但在足够长的时间内，在真空附近组装一个原子核以观察真空的衰变是可能的。
The radioactive displacement law of Fajans and Soddy was formulated to describe the products of alpha and beta decay.
法扬斯和索迪的放射性位移定律被用来描述α和β衰变的产物。
Radon comes from radium decay.
氡来自镭的衰变。
For math geeks, this is standard exponential decay.
对数学狂人来说，这是标准的指数衰减。
They would have also begun to decay.
它们也会开始腐烂。
So there's just some linear decay now.
结果就是线性衰减。
It is resistant to decay but not to Marine borers.
它抗腐烂，但是不抗海洋蛀虫。
The point of the experiment is that radioactive decay is a quantum process.
这项实验的关键因素在于放射性衰变是一个量子过程。
The antineutrons escape the atmosphere and then decay into antiprotons at much higher altitudes.
反中子逃离大气，然后在高得多的区域衰变为反质子。
Any instability or orbital decay can be corrected with thrusters and an onboard engine.
任何的不稳定和轨道衰变都能通过推进器和机载发动机修正。
The decay rate was ever so slightly faster in winter than in summer.
冬季的衰变速率比夏季的稍稍快了一些。
Alpha particles are these helium nuclei, and they are the result of radioactive decay.
阿尔法粒子是氦核，它们是放射性衰变的产物。
Some byproducts of the nuclear fission are themselves radioactive.These decay, producing heat.
有些核裂变产生的副产品自身具有放射性。这些物质的衰变，也在产生热能。
That'll just be related directly to the rate of the decay.
和衰减的速率有直接关系。
Such facilities could search for other hypothesized phenomena such as the extremely rare decay of protons.
这样的装置有助于发现证实更多的假说现象，如质子的稀有衰变。
But the finding is intriguing because the natural process of memory decay remains shrouded in mystery.
这个发现还是很耐人寻味的，至今记忆的自然衰退过程依旧笼罩在神秘之中。
With modularity, required updates are centralized to the single core building block, overcoming test script decay.
通过模块化，所需的更新被集中到一个单一的核心构件块中，克服测试脚本的衰退。
Heat from the decay of naturally occurring radioactive elements could keep a planet warm enough for water.
放射性元素在自然衰败过程中所产生的热量能使星球上的水维持液态形式。
The cabbages had already started to decay.
这些卷心菜已经开始腐烂。
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