1236年和1663年，伦敦被严重水淹。
人们普遍认为，中国是一个面临严重水资源短缺的国家。
It is widely accepted that China is a country faced with severe water shortages.
重水之所以重是因为水中氢的重量是普通氢的两倍（它的原子核中有一个质子和一个中子，而不仅仅是一个质子）。
Heavy water is heavy because the hydrogen in it weighs twice as much as ordinary hydrogen (it has a proton and a neutron in its nucleus, instead of just a proton).
比较了重水和轻水的工作曲线。
The working curves of heavy water and light water are comparable.
润滑脂：普通润滑脂或泵用重水润滑脂。
Lubricating grease: General grease or heavy water grease used for pump.
电解重水制氘是生产高纯氘的重要方法之一。
Deuterium generating by heavy water electrolysis is one of the most important generating deuterium methods.
我们在提货时发现，货物遭受严重水湿，并已腐烂。
When taking delivery, we found that the cargo had been seriously wet by fresh water and putrefied.
BMI是计算用来评价男性或女性的体重水平的指数。
由于采用三重水印嵌入算法，因而有效地提高了健壮性。
Because using the treble embedding watermarking algorithm, therefore it increase in robustness effectively.
墨西哥城会遭受严重水资源短；威尼斯则可能沉入海中。
Mexico City may suffer from a lack of drinking water while Venice may sink into the ocean.
本文总结了研究性重水反应堆断电事故冷却方式研究结果。
This paper presents the results on cooling mode investigation during loss of power accident of the heavy water research reactor.
但平均来看，在36个月内，几乎又都恢复到原来的体重水平。
But by 36 months, they had gained nearly all of it back, on average.
但严重水土流失区内的水土流失却是诱发贫困的主要原因之一。
But water and soil loss can lead to poverty in the area of serious water and soil loss.
这些都是超快速修理好东西，或者“山重水复疑无路”时的好选择。
These are great for super quick repairs, or "when all else fails" situations.
采用快速失重水分测量装置确定了富矿粉和焦粉的极限失重温度。
The limit weight-loss temperature of ore fines and coke are determined by rapid weight-loss measuring devise.
正常情况下使用普通润滑脂，泄漏过大则最好使用泵用重水润滑脂。
Under the normal condition use general lubricating grease, you had best use heavy water lubricating grease for pump if too much leakage loss.
因而，在严重水分胁迫下有较高的存活率，并能维持一定的生物量。
Therefore, It had a higher survival rate, and could maintain a higher biomass under severe water stress.
板式换热器在重水系统中的应用对研究堆的设计具有一定的参考价值。
The application of plate heat exchanger in heavy water system gives good experience for future research reactor design.
我知道有时候，事情会变得艰难，但山重水复之后才会见到柳暗花明。
I know sometimes things can get tough but you have to push past the bad to see the good.
而且我们不能望见阿瑞克的简易重水装置那里发生了什么，是否用于和平目的。
And we cannot remotely see what is happening at [a] heavy water facility under construction at Arak, and whether that is being used for peaceful purposes.
岩溶山地独特的水文地质、土壤、植被等是其严重水土流失的主要自然因素。
The unique hydrogeology, soil and vegetation in karst mountain area are the major natural factors of it's serious erosion of water and soil.
本文叙述了在更换研究性重水反应堆内壳中的辐射防护方法、辐射监测与评价。
This paper describes radiation protection methods, radiationmonitoring and assessments in replacement of the HWRR reactor vessel.
也是在2009年5月，乔克里弗反应堆开始出现重水泄露现象，被迫再次关闭。
Meanwhile in May 2009, the Chalk River reactor started leaking heavy water and was again shut down.
我们只有现在采取措施解决这一问题才能避免未来世界范围内的严重水资源缺乏。
Only if we take steps to deal with this problem now can we avoid a severe worldwide water shortage later on.
本文对双面加热的圆弧形窄缝通道内重水的自然对流进行了模化试验和数值模拟。
We studied the natural convection in narrow double-side heating arc by mock-up tests and numerical simulation in this thesis.
在吸、放氘达到动态平衡条件下，实时收集了重水电解池中钯电极的中子衍射数据。
Neutron diffraction data of palladium electrode in heavy water electrolysis cell have been collected under the balance condition of absorption and evolution of deuterium.
中国先进研究堆(CARR)是一座轻水冷却和慢化、重水反射的池内簟式研究堆。
China Advanced Research Reactor (CARR) is of tank-in-pool type, cooled and moderated by light water and reflected by heavy water.
因此塑造良好的交通广场照明环境不能只注重水平照度，还包括垂直方向的光线数量。
Thus to create a good lighting environment for the traffic squares, we should not only pay attention to the horizontal illuminance, but also vertical illuminance within the space.
在半重水的水分子中，一个氢原子（H）被一个称之为氘（D）的氢原子的同位素所取代。
In a semiheavy water molecule, one hydrogen atom (H) is replaced with a heftier version called deuterium (D).
在半重水的水分子中，一个氢原子（H）被一个称之为氘（D）的氢原子的同位素所取代。
In a semiheavy water molecule, one hydrogen atom (H) is replaced with a heftier version called deuterium (D).
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