Research on the Distribution of Nitrogen and hydrochemistry Index in the Dike-Pond of the Pearl River Delta;
珠江三角洲基塘系统水体中氮的形态分布及其水化学指标关系研究
Hydrology,Hydrochemistry and Exploitation of Resources in Caka Salt Lake;
茶卡盐湖水文、水化学及资源开发研究
Studies on the Root Channels and Hydrochemistry of Reed-dominated Land/inland Water Ecotone in Baiyangdian Lake;
芦苇型水陆交错带中根孔结构及其影响下的水化学研究
According to water chemistry data from 1959 to 1984 at 109 monitoring stations collected from the water yearbook edited by the Water Conservancy Ministry of China,the chemical characteristics and genesis of major ions of the Pearl River System were investigated.
对珠江水系109个水文站1954—1984年的水化学资料的研究表明,在组成珠江水系的3条河流中,以东江离子总量为最低,西江的离子总量为最高,前者的化学类型为重碳酸盐钠型水,后者为重碳酸盐钙型水。
With the improvement of water chemistry management of secondary system in Qinshan nuclear power plant(QNPP,) the water quality of secondary system becomes better and better.
核电厂二回路系统的水质控制与关键重要设备蒸汽发生器的运行寿命有着密切的关系,秦山核电厂运行16年来,随着秦山核电厂二回路系统水化学管理的不断改进,二回路系统的水质不断改善。
By contrast of the composition of environment isotope and water chemistry in water,the relation between them can be determined to distinguish the replenishment resource of groundwater,the position and range of leakage,the stratum formation and and so on.
首先分析了环境同位素和水化学在堤坝渗漏分析研究中的基本原理,作为天然示踪剂,环境同位素和水化学标记着地下水、河水和降水。
Study on hydrochemical mineralization factor of gold placer;
砂金水化学成矿因素探讨
The distribution law of TDS and main ion concentration in groundwater with three circulating depths of shallow,middle and deep level has been studied in the Ordos Cretaceous Artesian Basin by 1124 hydrochemical samples.
文章在对鄂尔多斯白垩系地下水盆地1124件地下水化学样品进行分析的基础上,总结出了研究区浅、中、深三个不同循环深度地下水中矿化度和主要离子浓度的分布规律。
The horizontal zonal characteristics of hydrochemical type in groundwater with three circulation depths of shallow,middle and deep level have been studied in the Ordos Cretaceous Artesian Basin on the basis of analyzing 1 125 hydrochemical samples.
在对鄂尔多斯白垩系地下水盆地1125件地下水化学样品进行分析的基础上,总结出研究区不同循环深度地下水化学类型的分布规律。
The existence of neotectonics and its water conducting behavior and water storage capacity of Lu'an coal mine were testified by hydrogeochemistry method.
利用水化学方法揭示了潞安矿区新构造及其导、储水性的存在,研究发现了王庄-常村新构造断裂带及其新生性。
The authors have used the analyzing method of hydrogeochemistry and environmental isotopy, studied the groundwater formation process and transport regularity, and then estimated the residence time of groundwater, and summarized the groundwater forming model for Daliuta mining area.
运用水化学及环境同位素分析方法 ,对大柳塔矿区地下水的形成过程进行了研究 ,估算了地下水年龄 ,概化了地下水形成模式。
hydrogeochemical profile
地下水水化学剖面图
water chemistry of nuclear reactor systems
核反应堆系统水化学
Hydrochemical Characteristics and Spatial-temporal Variation of Mineralization for the Groundwater in Minqin Oasis
民勤地下水水化学特征和矿化度的时空变化
A review of influences of seawater chemical evolution on biomineralization
海水化学演化对生物矿化的影响综述
(chemistry) of or containing mercury.
（化学）属于水银或含水银。
What chemicals combine together to form water?
什么化学元素化合成水？
Identification of Groundwater Source Based on Chemical Property of Water
根据地下水的化学特征判别出水水源
(chemistry) without water; especially water of crystallization.
（化学）没有水的；特别指没有结晶化的水。
Chemical reagent-Ammonia solution (25%)
GB/T631-1989化学试剂氨水
method for chmical analysis of crystal glass
水晶玻璃化学分析方法
The chemical formula for water is H2O.
水的化学分子式是H2O。
freshwater, geochemical properties of
淡水的地球化学特征
marine hydrographic and chemical laboratory
海洋水文化学实验室
hydrogeochemical indication for prospecting
水文地球化学找矿标志
water-reactive chemical
与水反应的化学药品
chemicals dissolved in an aqueous solution
溶于水溶液的化学药品.
The water can be softened by adding a chemical.
添加化学品能使水变软。
wastewater treatment by chemical precipitation process
废水的化学沉淀处理法