The shortage of water resource is becoming more and more serious and has led to many environmental disaster, such as groundwater system disaster, water pollution, ground go down, seawater inverse flow etc.
21世纪水资源短缺的问题将是全球面临的共同问题，我国是一个水资源短缺的国家，尤其在工农业发达地区，水资源短缺日益严重，由此带来的水灾害、地下水系统灾变、水体污染、地面沉降、海水倒灌等环境问题也更加频繁。
Research On Flowing Character of Phreatic Water and the Prevention of Pollution after Seawater Intrusion into Sea Island
对海岛潜水流动特性和防止海水入侵污染问题的探讨
From data monitored during a year, the condition of oil pollution of seawater adjacent to the No. 3 Sewage Discharge Outlet of Dalian Port, the relation between oil content of seawater and oil discharge quantity, and the diffusive patterns of oil pollutant are analyzed.
本文通过1年的监测数据，初步分析了大连港3号排污口对附近海水的油污染状况，海水的油浓度与油类排放量的关系，以及油污染物迁移扩散的规律。
The pollution of river estuaries and harbors has markedly increased corrosion problems of heat exchanger cooler tubes using seawater as cooling water.
采用受污染海水为冷却水的热交换器冷却管之腐蚀问题通常都比预期的要严重。
COD is regarded as an overall index of the organic pollutants, and it has important instruction function on the pollution sources, seawater quality, water quality of cultivating and the red tide etc..
COD作为有机污染物的一个综合指标，它对污染源的定量、海域水质质量、养殖水水质、赤潮的发生等均有重要的指示作用。
Faced with the marine pollution and the obvious decrease in the quality of seawater, a large number of academic papers and academic study begin to research this aspect.
面对海洋的污染，海域质量的明显下降，开始存在大量的学术论文和学术理论对这一方面进行研究。
Therefore, recovering bromine reasonably from concentrated seawater is not only may solve the problem of sustainable development resources, but also may reduce the marine environment pollution and promote the comprehensive utilization of chemistry resources of concentrated seawater.
因此，合理提取浓海水中的溴资源，不仅可以解决我国溴行业可持续发展的资源问题，还可以减少海洋环境污染，促进浓海水化学资源的综合利用。
Biodegradation and adsorption are both presented in seawater - sandy beach interface, and oil desorption from sands would bring a potential pollution threat to sandy beach.
在海水-沙滩这个多介质环境中，同时存在着微生物对石油污染物的降解和沙土对石油污染物的吸附作用，并且，沙土上吸附的石油污染物还会向环境中释放，使海滩受到潜在的污染威胁。
Microbiological Pollution and Corrosion of Underwater Tool System of Seawater Hydraulics
海水液压水下作业工具系统的微生物污染和腐蚀
Exploring the mechanisms of oil pollution and its purification in seawater-sandy beach interface is of great significance.
因此，开展海水-沙滩界面石油污染与净化过程的研究具有极为重要的意义。
The solar heating equipment invented by. Zhang can be used as a good energy source, which is clean and brings no pollution to the environment, for seawater desalination devices.
河海大学和南京玻纤院等研制的太阳能加热装置，可以作为海水淡化装置中清洁、无污染的能源。
By making use of the rainwater resources it is possible to ease the tension in water supply in cities, reduce the Investment and cost of operation in rainwater projects, control the water environmental pollution, prevent the ground settlement and backflow of seawater, etc..
利用雨水资源.可缓解城市供水紧张的状况，减少雨水工程投资及运行费用，控制水环境污染.防止地面沉降和海水倒灌。对于水，它约为4×10~3大气压。
It will degrade water quality and influence seawater breed aquatics, as well as recreational activities, such as pathogens associated with fecal pollution can lead to human disease and economic losses in industries that depend on coastal waters.
粪便污染带来的有机物、致病菌等，不仅降低海水质量，影响海水养殖业，同时也给人类的健康带来威胁。
For the pollution ions were existed on the specimens when they emerged from seawater, the dealloying corrosion of double phase brass exposed to mean tide zone was also accelerated.
由于这种污染元素的作用在试样露出水面时依然存在，致使潮差暴露也出现类似情况。
Based on the monitoring data on the Xiangshan Harbor in 19992001, the assessment and analysis for the seawater quality of Mariculture Region at Xiangshan Harbor is carried out according to the national pollution standard for seawater (GB17378.7).
利用&年对象山港海水养殖区的海洋环境监测结果，统计分析了象山港水质质量状19992001况，对象山港养殖区的环境质量进行评价。
The osmotic law of polluted waste-water from upland aquaculture pond was studied from the following aspects, i. e. the pollution and salinity of underground water, the pollution and salinization of soil, the pollution and eutrophication of seawater, and the corresponding mathematic model was presented.
从地下水的污染和咸化、土壤的污染和盐碱化、海水的污染和富营养化等3个方面研究了高位池养殖污染的渗透规律，并确定相应的数学模型。