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).
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）。
The working curves of heavy water and light water are comparable.
比较了重水和轻水的工作曲线。
PCB industry is heavy water consumption and heavy pollution industry.
PC B工业是用水大户，也是污染环境大户。
Lubricating grease: General grease or heavy water grease used for pump.
润滑脂：普通润滑脂或泵用重水润滑脂。
Sick of holding your heavy water bottle while you go on hikes in the desert?
你是否已经厌倦了在沙漠远足时带着沉重的水壶？
This heavy water sinks and is found in the deeper portions of the oceans of the world.
这些大密度的海水下沉，可以在世界海洋的深水域发现。
Meanwhile in May 2009, the Chalk River reactor started leaking heavy water and was again shut down.
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。
Deuterium generating by heavy water electrolysis is one of the most important generating deuterium methods.
电解重水制氘是生产高纯氘的重要方法之一。
The getter was chosen to remove N2 in D2 which was prepared by electrolyzing heavy water in high temperature.
电解重水制备d 2中常含有微量杂质n2，为降低N2含量，选择锆铁钛吸气剂高温对n 2进行脱除。
In this work, a tight pitch lattice and mixed fuel assemblies pressured heavy water reactor concept was investigated.
在这项工作中，一种紧沟天窗与混合燃料集束压力重水反应堆的概念被调研。
The application of plate heat exchanger in heavy water system gives good experience for future research reactor design.
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。
In addition to the daily burden of carrying heavy water loads, they run the risk of being physically assaulted when seeking water.
除了每天承受水的重负之外，她们冒着在取水时身体遭受攻击的危险。
This paper presents the results on cooling mode investigation during loss of power accident of the heavy water research reactor.
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。
China Advanced Research Reactor (CARR) is of tank-in-pool type, cooled and moderated by light water and reflected by heavy water.
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。
These lay the necessary theory foundation for the research of heavy water electrolysis and the production of high purity deuterium.
为研究重水电解及高纯氘的制取奠定了必要的理论基础。
With the heavy water pollution situation, China was facing double tasks which were water harnessing and water ecological restoration.
随着水污染的不断加剧，我国正面临着治理水污染和恢复水体的双重任务。
Under the normal condition use general lubricating grease, you had best use heavy water lubricating grease for pump if too much leakage loss.
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。
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.
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。
Gushan Iron Mine is a wellknown heavy water ore deposit. The calculation of slope infiltration field was required to do first in slope stability analysis.
姑山铁矿为大水矿床，进行边坡稳定性分析首先要进行边坡渗流场计算。
Several weeks ago, Iran announced it had invited a number of nations to tour the uranium enrichment facility near Natanz, and the heavy water facility near Arak.
几个星期前，伊朗宣布邀请了若干国家参观纳坦兹附近的铀浓缩设施和靠近阿拉克的重水设施。
Even happier is their neighbour Oum Sok ha, who specialises in recycling glass jars and bottles and so is a heavy water-user. Her daily profit has increased by 2,000 riels.
感到更高兴的是她们的邻居OumSokHa，她主要从事玻璃瓶的回收，所以她更需要用水，她每天的利润已经增加了2,000里尔。
The function, the scheme and the flow design of heavy water concentration system and its characteristic for China Advanced Research Reactor are introduced in the paper.
文章涉及中国先进研究堆重水浓缩系统的功能、工艺方案和流程设计及系统设计的特点。
Even happier is their neighbour Oum Sok ha, who specialises in recycling glass jars and bottles and so is a heavy water-user. Her daily profit has increased by 2, 000 riels.
感到更高兴的是她们的邻居OumSokHa，她主要从事玻璃瓶的回收，所以她更需要用水，她每天的利润已经增加了2,000里尔。
Neutron diffraction data of palladium electrode in heavy water electrolysis cell have been collected under the balance condition of absorption and evolution of deuterium.
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。
An analysis of highly-enriched uranium-heavy water lattice was made recently using few-group diffusion theory and the equivalent diffusion of control rods and target assemblies.
利用少群扩散理论和控制棒与靶件的等效扩散处理方法进行了高浓铀-重水栅的分析计算。
Heavy water gets its name because it contains deuterium, a form of hydrogen that has a neutron in its nucleus as well as the usual proton and thus weighs twice as much as the ordinary sort.
重水因含重氢而得名。重氢是氢原子的一种，其原子核中含有一枚中子，加之正常氢元素中的质子，重量为一般氢原子的两倍。
The moon's low gravity also means that water composed of regular hydrogen and oxygen will escape quicker than heavy water, perhaps leading to a concentration of deuterium in the water of the moon.
月球的低重力也意味着由普通氢气和氧气组成水将会比重水更快的消失，可能导致在月球上水的氘含量。
The moon's low gravity also means that water composed of regular hydrogen and oxygen will escape quicker than heavy water, perhaps leading to a concentration of deuterium in the water of the moon.
月球的低重力也意味着由普通氢气和氧气组成水将会比重水更快的消失，可能导致在月球上水的氘含量。
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