The water resources quantity of the second assessment is less than that of the first assessment due to the comprehensive influence of climate and human activity.
与第一次评价相比,第二次评价水资源量有所减少,这是气候与人类活动综合作用的结果。
It would also take a huge quantity of water and phosphorus fertilizers, resources we are straining to their limits.
这还将需要耗费数量庞大的淡水和磷肥,它们都是亟待限制其使用规模的资源。
The theme of this year's World Water Day, “Clean Water for a Healthy World”, emphasizes that both the quality and the quantity of water resources are at risk.
今年世界水日的主题是“保障清洁水源,创造健康世界”,强调水资源质量和数量都面临威胁。
The quantity of surface water and ground water, water resources gross and its available quantity of these years are calculated.
计算了郑州市地表水资源量、地下水资源量、水资源总量和水资源可利用量。
However, in recent years, animal resources, especially water birds and rare fish have been decreasing in type and quantity. That situation must take our great attentions.
但最近一些年来,动物资源,尤其是珍稀水禽,种类和数量都在逐年减少,必须引起高度重视。
Monitoring the quality and quantity of available river water basic informations, provide analysis results for water resources development, distribution and protection services.
监测掌握河道来水的质和量两种基础资料,提供分析结果,为水资源开发、利用、配置和保护服务;
The theme of this year's World water Day, "Clean water for a Healthy World", emphasizes that both the quality and the quantity of water resources are at risk.
今年世界水日的主题是“保障清洁水源,创造健康世界”,强调水资源质量和数量都面临威胁。
Water resources total quantity, underground water and runoff of river assumes the reduced tendency, has the obvious uniformity with the precipitation change.
全市的水资源总量、地下水、河川径流量呈减少趋势,与降水的变化具有明显的一致性。
The results show that the total quantity of water resources considering the influences is 8 % bigger than the calculation before; and the increased water resources are exploitable.
结果表明在进行地下水资源均衡计算时如果考虑水稻种植的影响,资源量将比以往的计算结果增加8%左右,而且增加量均为可采资源量。
In this paper the water balance method is used to analyse groundwater resources and allowable exploitation quantity of karst fissure water in the Mishian basin.
本文运用水均衡方法,对密县盆地地下岩溶水资源及允许开采量等进行了分析。
The available quantity of surface water resources in the Hanjiang River Basin is computed respectively by deduction method and improved WAM.
采用扣损法和改进的WAM模型分别分析计算了汉江流域地表水资源可利用量。
Water resources has natural renewal and social renewal, water quantity renewal and water quality recovery.
水资源具有自然再生和社会再生、水量再生和水质恢复等四种类型。
Calculation of quantity of soil evaporation takes an important part in moisture content prediction, rainfall surface flow calculation and evaluation of water resources.
土壤蒸散发量的计算,在墒情预报、降雨径流计算及水资源评价中都占有重要的地位。
The quantity, quality status, and temporal and spatial change of water resources of Haihe river basin are analyzed.
分析了淮河流域水资源的数量和质量现状及其时空变化特征。
Impact by resources and categories of waste water in hazardous waste treatment center and uncertainties of water quality and quantity provide a broadspeetrum on their treatment process.
危废处置中心的废水、废物来源和种类影响,水质、水量呈现不确定性,对其处理的工艺应具有广谱性。
Water resources crisis is defined and by water resource quantity, technology of its development and usage, fund and management institution, and the reason of water resources crisis is analyzed.
造成西北地区水资源危机的原因是多方面的,现行水资源配置制度的缺陷是其中最为主要的因素之一。
From the water resources potential of Hanjiang river and its utilization level, analysis was made on the transferable water quantity.
本文从汉江水资源条件及利用现状分析了汉江的可调水量。
Analyses the water measure, supply water quantity and the present condition of huihe reservoir, puts forward the measures of raise the utilization of the resources of water of huihe reservoir.
通过对浍河水库来水量、供水量及开发利用现状分析,提出提高浍河水库水资源利用效益的措施。
Liuxi river is one of the important city's water resources. The supply quantity of water plants along the river is about 70% of the total amount in Guangzhou city.
流溪河是广州市主要生活饮用水源之一,其沿途水厂的供水量约占广州市生活饮用水的70%。
The process can avoid the discharge of ammonia nitrogen wastewater, protect the water resource environment and save a large quantity of precious water resources.
该工艺避免了氨氮废水的排放,保护了水资源环境,节省了大量珍贵的水资源。
On the basis of real pumping of ground water, the water resources evaluated by the water balance method. The evaluating result of water quantity was checked by finite element method.
以现状地下水开采量为依据,采用水均衡法评价了研究区水资源总量,并利用有限单元法来模拟分析验证。
As the economic speed is creasing, the request of the mining quantity of the underground water resources is creasing too.
并且随着经济速度的不断加快,对地下水资源开采量要求也不断提高。
The research of water environmental lays particular stress on water quality and the research of water resources lays particular stress on water quantity.
水环境研究偏重于水质,而水资源研究则更偏重水量。
In order to carry through efficient the water resources real-time scheduling, it is necessary to study the feasibility of real-time monitoring of water diverting quantity.
为能有效地进行水资源实时调度,有必要对引黄水量实时监测可行性进行研究。
Our country annual mean water resources total quantity is 2812400000000 cubic meters, is only inferior in Brazil and former Soviet Union, occupies world third.
我国年平均水资源总量为28124亿立方米,仅次于巴西和前苏联,居世界第三位。
Our country annual mean water resources total quantity is 2812400000000 cubic meters, is only inferior in Brazil and former Soviet Union, occupies world third.
我国年平均水资源总量为28124亿立方米,仅次于巴西和前苏联,居世界第三位。
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