The exhibition will focus on three topics: water source protection, global warming and the aging problem.
该展区主要有三个主题：保护水源，全球变暖问题和老龄化问题。
Based on the pollutant equivalent method, the trends of pollution source and pollutant load in 1996 ~ 2007 are studied and the trend of water environment quality in Three Gorges Reservoir is analyzed.
基于污染物当量计算方法，探讨了1996年- 2007年三峡水库建设期间污染物来源、各污染源及污染物当量逐年变化趋势，初步分析了库区水体水环境质量总体变化趋势。
Problems of water source, flood disaster, and water pollution are the three hydrological responses in urbanization process, also are the main issues in water environment management.
水源问题、洪水问题、污水问题是城市化过程中的三大水文响应，也是城市水环境管理研究的重要课题。
The three is the dust source and movement difference of concentration in a certain space range, the particle and water molecules gather into a haze of tuberculosis.
三是扬尘基源和运动差过程集聚在一定空间范围内，颗粒最终与水分子结核集聚成霾。
Normally, Li's three mu of tobacco earns him near 10,000 yuan. But now, with no water for seeding, their only source of income has dried up.
同村里大多数人一样，李彦博的家里也是靠种烟草维生。通常，三亩烟叶可以带来近一万元的收益。但现在，没有水来播种，就连他们唯一的收入来源也枯竭了。
In addition, simulating experiments were also done on the weathering-leaching of the four types of source rocks by three kinds of meteoric water.
另外还利用表生风化淋滤模拟实验装置对该四种矿源岩样进行了三种不同大气雨水的风化淋滤模拟实验。
The water from those three source are used for irrigating plant regularly to check the growth of these two plant and change of ion concentration in soil.
定期分别用三种源水浇灌植物，以考察两种植物生长情况和土壤离子浓度的变化。
Cooling water generally comes from one of three sources: the cooling tower cold water basin, the makeup water source or the chilled water loop.
冷却水通常来自三个来源之一：冷却的塔感冒加水给盆地，化妆水来源或已冷的水环。
Three design models of the cold-source of central air conditioning systems are discussed: regular water cooled chiller operation, partial cold-storage operation, and full cold-storage operation.
讨论了中央空调系统冷源的三种配置模型，设计了常规冷水机组运行、部分蓄冷运行和全部蓄冷运行的方案，分析了部分蓄冷运行和全部蓄冷运行的使用条件。
The machine comprises three parts which are a power supply, an air pressure jet flow air-water mixture sprayer and a gas source of an oxygen source ozone generator, and the like;
它由电源、气压射流气水混合喷雾器、氧气源臭氧发生器气源等三大部分组成；
The machine comprises three parts which are a power supply, an air pressure jet flow air-water mixture sprayer and a gas source of an oxygen source ozone generator, and the like;
它由电源、气压射流气水混合喷雾器、氧气源臭氧发生器气源等三大部分组成；
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