The composition of water requires oxygen and hydrogen.
水的组成需要氧和氢。
Scientists already knew how the composition of water varies throughout the country.
科学家已经知道全国各地水的成份变化情况。
The chemical composition of water is H2O whether it is solid, liquid, or water vapor.
不管水是固、液或气态，它的化学组成都是H2O。
The chemical composition of water remains constant whether it is in solid, liquid or gaseous state.
无论处于固态、液态或气态，水的化学成份都保持不变。
The load composition of water pollution has been changed obviously with the effectively control on point source pollution in recent years.
随着对水体点源污染的有效控制，水体负荷结构发生了明显的变化。
It is a prerequisite and basis to set up a water rights transfer system to define clearly the composition of water rights transfer entities.
在水权转让中，当事者具有十分重要的地位，明晰水权转让当事者的构成是建立水权转让制度的前提和基础。
Through the orthogonal method, we find out the best experimental condition of electrolysis water which will ensure the success of the experiment and explain the composition of water exactly.
通过正交试验法，找出了电解水的最佳实验条件，以保证实验成功，从而准确说明水的组成。
On the basis of the new study, he thinks that such sequestration may not always happen and probably depends on the composition of sediments and the complexity of water flow underground.
在新研究的基础上，他认为这种隔离并不是经常发生并且还有可能决定于沉积物的构成和地下水流动的复杂性。
The reason for the generic composition is due to the form of water (which we will talk about later) not necessarily because of the lack of imagination of the photographer.
由于摄像者缺乏想象力，一般画面的组成并非必须依据水的形态（稍后我们将对此进行介绍）。
Thus, the nutrient composition of sea water is maintained by organisms which also stabilize the improbable composition of the atmosphere.
海水中的养分保存在有机物中，有机物对大气层奇异的构成也有稳定作用。
The reserve tanks at a reactor contain the same grade of water in terms of purity and chemical composition that are normally used in the core.
反应堆的储备箱里储备了与反应堆内同等纯度和化学构成的水。
You mix ethanol and water together so you've got a liquid with a certain composition of each.
你将乙醇和水混合，得到它们的混合物。
Drink a Glass of Water First Thing - Water makes up between 60% - 70% of your body composition.
第一件事先喝杯水-你身体的60% - 70%是由水组成的。
The chemistry of connate water can change in composition throughout the history of the rock.
原生水的化学性质随岩石的历史而有成分上的变化。
Now, by examining the isotopic composition of that water, researchers have found that it matches that of meteorites, the likes of which also delivered Earth its first drink.
现在，通过检查水的同位素构成，研究人员发现这与第一次给地球带来水的陨石相吻合。
At home and abroad, research on chemical composition of springs water is one of the hot problems.
泉水化学成分变化研究一直是国内外学者研究的热点问题之一。
On the basis of analyzing the chemical character of underground hot water, the formation mechanism of the chemical composition and its genesis are discussed in this paper.
该文在分析地下热水化学特征的基础上，对地下热水化学成分形成机理及地下热水成因进行探讨。
The film - forming mechanism, composition, properties and processing of HD anticorrosive coating used for under water and moist surface painting are described in this paper.
本文论述了HD型水下及潮湿面用防腐涂料的成膜机理、组成、性能及施工工艺。
The water processing system is the basic guarantee of hemodialysis, this article describes the composition of the water processing system, design requirements and basic maintenance.
水处理系统是血液透析的基本保障，本文着重介绍了水处理的组成，设计要求和基本的维护。
The study on the composition of interstitial water in the sediment shows that diagenesis environment is mainly a reductive environment.
通过对岩心沉积物间隙水成分的研究，表明成岩环境主要为还原环境。
The intersecting spheres are embedded in a rectangular plan topped by a sheet of water, pulling the ocean horizon into the composition.
该设计中，相交的球体嵌在一个表面覆盖浅水层的矩形平面中，好像将大海都圈到了这个设计中。
During the mixing, the water type changes according to the changes of the water composition.
随着在混合过程中水的化学组成的变化，水的类型也会发生相应变化。
The dry furfural can be obtained and the composition of the tops was close to the composition of furfural water azeotrope.
通过对糠醛干燥塔中热醛汽流量的控制，可获得干燥糠醛，并使塔顶馏出物的组成接近糠醛水共沸组成；
Water content and composition of domestic waste in Shanghai city were analyzed, moisture content is 60%, high water content of food residual is 68.71%.
分析了上海市生活垃圾中的含水量及成分，含水量达60%，高含水量的厨余垃圾占垃圾总量的68.71%。
The main chemical composition of the mineral water verified the geological structure of groundwater storage and the condition of deep water cycle.
矿泉水的主要化学成分验证了矿水床的蓄水构造和深循环条件。
POC(D)(detrital POC) is a major composition of total POC in surface water of Xiamen coastal area.
碎屑POC为厦门近岸海域表层海水POC的主要组成部分。
The major factors that influence isotopic composition of cave drip water are mean annual air temperature, mean annual rainfall and change in moisture source.
影响洞内滴水的稳定同位素组成的因素主要是年平均气温、年降雨量以及降水气团的来源的变化。
The major factors that influence isotopic composition of cave drip water are mean annual air temperature, mean annual rainfall and change in moisture source.
影响洞内滴水的稳定同位素组成的因素主要是年平均气温、年降雨量以及降水气团的来源的变化。
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