从数理经济学观点出发，研究了以资源边际产量为条件的经济用水定额，提出了华北地区不同水文年的各种作物经济用水定额。
From the viewpoint of mathematical and economic theories, the economic water use quota was studied based on the minimum resource input and maximum output.
当地的经济、生活用水供应和某些类型的娱乐活动都将受到这些大坝破坏的严重影响。
Local economies, domestic water supplies, and certain types of recreation all would be severely impacted by destruction of these dams.
然而，不可否认的事实是，今天比战争年代有了更多的学校、更多的医院、更多的饮用水、以及更多的经济活动。
However, the undeniable fact is that today there are more schools, hospitals, more potable water, and more economic activity than during the war period.
紫金矿业表示，对鱼的大批死亡和导致的“一定经济损失”表示遗憾，但下游用水没有受到影响。
Zijin said it regrets the fish deaths and 'certain economic loss, ' but said water 'usage' downstream is unaffected.
发达国家在经济起飞的时候通过建筑大坝来利用水电。
The developed world has prospered through hydro electricity from dams.
依据农田内土壤含水量的差异性，有针对性地进行变量灌溉，既可节约用水又可提高经济效益。
Owing to the difference of soil water in the farm, variable rate irrigation can save water as well as raising economy benefit.
依据农田内土壤含水率的差异性，有针对性地进行变量灌溉，既可节约用水又可提高经济效益。
According to the differences of soil water potential in the farmland, variable irrigation can save water as well as raise economic benefit.
处理后的废水能够达到回用水的指标，这样可以为企业带来巨大的经济效益、社会效益和环境效益。
The treated wastewater can reach recycled water indexes. This can bring tremendous economic benefit, social benefit and environmental benefit for enterprises.
除具有巨大的经济效益外，对缓解黄河下游的用水和改善上游的生态环境也有明显的社会和生态效益。
Except the tremendous economical benefit, it can also improve the ecological environment of upstream and mitigate water source in downstream.
石油泄漏破坏自然环境，危害公众健康，污染饮用水且扰乱经济。
Oil spills devastate the natural environment, endanger public health, imperil drinking water and disrupt the economy.
在特殊的气候环境下，提高作物用水的效率将大大提高农业生产的产量，经济效益将大幅度提高。
Crops yield will be increased and the economic performance will increase also if efficiency of water increase under the special weather environment condition.
工业水的循环利用可以节约用水，并且提高经济效益。
Circulating utilization of industrial water will save water and improve economic efficiency.
并通过社会经济预测指标及用水定额的趋势模拟预测结果进行了预测。
According to forecasting result of tendency simulation between social economic forecasting index and its using water quota the forecast is made.
云浮硫铁矿通过对矿区天然水和酸性处理水的综合利用，解决了矿区生产用水问题，取得了较好的经济效益。
To resolve production water, Yunfu Pyrite Mine takes measures of making use of nature water sources and treated acid water, obtaining good economic benefits.
里彦煤矿矿井水净化处理后作为生产和生活用水，具有较好的经济、环境和社会效益。
Many economy, environment and society benefits arc achieved from treating mine drainage to process and domestic water.
综合研究的结论为：用保聚水代替自来水作为配制母液用水在技术、环保和经济上都可行。
Comprehensive study concluded that it is feasible for reversed polymer water instead of tap water on technology, environmental protection and economy.
通过田间实验，研究亚铵法制浆中段水经土地处理的同时作为灌溉用水的农田养分平衡状况及经济效益。
A field experiment was conducted to study the nutrient balance and economic benefit on winter-wheat and rice system with mid-stage effluent of ammonium sulfite method irrigation.
开采效果表明，在垂向连通性好的高渗透凝析气田中，采用水平井生产是经济可行的。
The response shows that it is economically feasible in the condensate gas field with high permeability and good vertical connectivity.
妥善利用水环境净化能力是一种经济有效的水污染控制手段。
It is a kind of economical and effective means of controlling water-body pollution to avail of water environment purification capacity properly.
在环境负荷不变条件下，运用控制方程求得的万元产值用水量无法满足循环经济的需求。
Under the constant condition of environmental load, water consumption of ten thousand Yuan output value is got from the control equation.
文章比较了甘肃四个不同经济状况县的卫生服务利用水平，同时对四县的贫困人口和整个人群的卫生服务利用水平进行了比较。
This paper compared the status of health service utility among four countries with different income levels and between the poor population and the whole population in Gansu Province.
通过分析基本摸清了水平井技术特点，以避免在推广应用水平井过程中出现失误，以改善低渗透油藏水平井开发效果，提高经济效益。
This helps avoid mistakes during the applications of horizontal Wells, improve horizontal well development effect in low permeability reservoirs and increase economic benefit.
农业是世界水资源最大的使用者，由于农业用水的低经济效益和高消耗比例，世界水权交易的主要内容是农业水权转移。
Owing to the low economic efficiency and high consumption proportion of agricultural water use, the primary content of worlds water transaction is agricultural water rights shift.
一项报告警告，持续低效利用水源将威胁欧洲的经济、生产力和生态系统。
Continued inefficient use of water could threaten Europe's economy, productivity and ecosystems, a report has warned.
水电站经济运行是充分利用水能资源的一项增产措施，也是减少水能消耗的一项节能措施。
The economic operation of hydropower plant is a method to use the water resource sufficiently and decrease the energy loss.
采用水源调节“替代工程的影子价格”原理，计算了该地区森林生态系统的水源涵养经济价值。
The principle of "Alternating Engineering and Shade price" is applied to estimate the economic value of water conservation caused by forest ecological system.
采用水源调节“替代工程的影子价格”原理，计算了该地区森林生态系统的水源涵养经济价值。
The principle of "Alternating Engineering and Shade price" is applied to estimate the economic value of water conservation caused by forest ecological system.
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