您要查找的是不是：
- water demand rule 需水规律
- Study on Theory and Method of Ecological Water Demand in the Lower Reaches of Heihe River. 黑河流域下游生态需水理论与方法研究。
- Tennant method is one of the method widely used on water demand of ecological environment. 田纳特法是目前广泛应用的生态环境需水量确定方法之一。
- On the premise of protecting river hydrobiology habitat,ecological water demand in mountainous rivers was studied. 主要从保护河流水生生物栖息地出发,探讨山区河流生态需水量问题。
- An integrated classification system for ecological water demand is suggested according to different criterions. 建立了不同标准下的生态需水分类体系；
- The environmental water demand is considered for scientific disposition and management and ecologic equilibrium. 必须合理预留生态环境需水,以实现水资源的科学配置和有效管理,维持生态平衡。
- In this model,solar pond is used to desalt seawater to satisfy the drinking water demand of soldiers. 利用太阳池淡化海水,为官兵提供饮用水,在太阳池底铺设换热器,为官兵提供生活用热水,并对沼气池进行加热。
- The minimum instream ecological water demand is the epiboly value of each instream flow quantity. 河道内各项需水量的外包值为河道内的最小生态环境需水量。
- Experiment shows that with the increment of substituted spontaneous combustion gangue powder for cement, the water demand of gelled material system is increased gradually. 试验结果表明，随着自燃煤矸石粉取代水泥量的增加，胶凝材料体系需水量逐渐增大。
- The present paper discusses agricultural water supply in the plain downstream of the Ha-ihe Basin, where water is unsatisfied with water demand. 本文根据海河平原水源不足的问题,采用系统分析的方法,探讨了农业供水的对策。
- In drought inflicted areas, wetlands provide a method of water reuse, which reduces water demand, especially for potable water. 在干旱地区，湿地则提供了循环用水的方法，减少用水需求，特别是饮用水的需求。
- When we were lost in chaos and rampage, you demanded rules of law. 我们因骚乱闹事而遭受损失;你们说应当有法治.
- With the restriction of water demand and supply, the objective function optimal value was calculated by sequential quadratic programming. 以需水量和可供水量为约束条件，采用序列二次规划法求解函数最优值。
- At present, rapid development of industrialization and urbanization, unwonted aridity, increasing of water demand became urgent tasks. 山东省济宁市是我国北方工商业最早发展起来的城市之一，属于严重缺水地区。
- No sufficing the basic environmental water demand of the eco-systems is one of the cause of the eco-system crisis appeared nowadays in China. 流域生态系统基本需水得不到满足是造成目前流域生态危机的主要原因。
- Cui S B.A research on issues of water demand for ecological environment[J].China Water Conservancy, 2001, ( 1 ): 71 - 74. [2]崔树彬.;关于生态环境需水量若干问题的探讨[J]
- The clear water mirrored the blue sky. 清澈的水中映出蔚蓝的天空。
- It has good properties such as, high inversion rate, good activity, small water demand, good fluidness, high bulk density, excellent thermal strength etc. 产品具有转相率高、活性好、用水量小、流动性好、体积密度高、热态强度优良等特点。
- Water saving in agriculture and high water demand for salinity leachi ng as in the traditional practices will be a contradiction to be technically sol ved. 水资源短缺问题受到越来越广泛的关注，该地区引黄河水量将进一步削减，但另一方面随着社会和经济的发展，耕地面积将进一步扩大；农业节水和传统的用水洗盐方式是一对需要解决的矛盾。
- The price elasticity and income elasticity of urban household water demand in Shenzhen are analyzed by applying econometric method according to the in-house investigation data. 摘要价格是影响用水的最主要因素之一。本文应用入户调查的数据，应用计量经济学方法分析了深圳市城镇居民生活用水的价格弹性和收入弹性；
