water requirement

需水量

常用释义

词性释义

[土壤] 需水量
例句
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In other time crops coefficient between the two crops of change, it is to produce a crop of the main reason rop water requirement.
在其他时间里作物系数均在两种作物系数之间变化,这是产生作物需水量降低的主要原因。
Seawater substitute, for the cities near the coast, is one of effective routes to keep the balance of water supply and water requirement.
对于沿海城市,海水代用是解决供水矛盾的有效途径。
however , the addition of calcined kaolin to cement caused setting time of cement to prolong and water requirement of cement to reduce.
但其与水泥混合后稍微增大水泥的用水量、缩短凝结时间。
在湿地生态环境需水量概念内涵剖析的基础上,将生态环境需水量分为存量(蓄水量)与通量(耗水量)两个部分。
探讨了支持向量机在水稻需水量预测中的应用。
对国内外生态环境需水量研究现状作了概述。
The measure to properly improve the fineness of fly ash could reduce the water requirement and improve the fluidity of concrete.
通过适当提高粉煤灰颗粒细度,可以减少混凝土拌和用水量,提高混凝土流动性。
Finally, the minimum eco-environmental water requirement for wetlands was calculated.
研究保护天津湿地所需的最小生态环境水量。
In the field we observed that takins licked snows or drank water directly to meet their water requirement.
野外见到羚牛以直接饮水或舔雪的方式来补充对水份的需求。
The spatial variability of regional water requirement ( WR ) and water deficient ratio (WRD) are studied with geostatistics.
应用地统计学方法研究区域需水量和缺水率的空间变异性。
Spatial variation of crop water requirement was studied basis on the geo-statistics.
基于地统计学方法分析了灌区作物需水量的空间变异性。
分析了紧急状态下的水需求状况;
基本需水量的多少取决于不用的物种,通常在71%和94%之间。
The analysis of the variation in source of crop water requirement was conducted based on the climate division by annual aridity index .
在根据年干燥度进行干湿区划的基础上,对作物生态需水来源进行分析。
另一方面,用水需求的不断增长将使得可用于稀释废水的水量大大的减少。
计算结果表明:2005年湿地生态环境需水量较2000年有所减少。
生态需水的概念及其计算方法
关于生态需水量的概念和重要性
黄淮海平原河道基本环境需水研究
石榴需水量试验和灌溉制度初拟
半干旱草原植被建设生态需水相关问题的探讨
计算生态需水的RVA法及其应用
黑河流域下游天然植被生态需水预测
紫花苜蓿的需水量、耗水量、需水强度、耗水强度和水分利用效率研究
The results indicate that, in the same region, the rhythms of rice water requirement between different irrigation models are consistent;
研究表明,同一区域不同灌溉模式单季水稻需水量变化基本一致;
京津冀都市规划圈考虑作物需水成本的农业结构调整研究
Analysis on the relation between the current mode of the irrigation and the crop water requirement in the Eerqisi River Basin
额尔齐斯河流域现行灌溉方式与作物需水量关系分析
Opinion about water requirement for environment and water allocation by South-to-North Water Transfer Project in Haihe River Basin
关于海河流域环境用水与南水北调配水问题的意见
西北内陆河地区生态环境需水量初步分析
基于生态水文学原理的湖泊最小生态需水量计算
1·Study on the ecology water requirement is the emphasis and difficulty for current water resources management.
生态环境需水量是当前水资源管理等学科研究的重点和难点。
2·A systematic forecast method for city life water requirement is established, and it has theoretical and practical significance to provide a reference for city water resources programming.
并建立起一套系统的城市生活需水量预测方法,为城市水资源规划提供决策参考,具有理论和实践意义。
3·The eco-environmental water requirement in 2005 was less than that in 2000.
计算结果表明:2005年湿地生态环境需水量较2000年有所减少。
4·The current research status of ecological and environmental water requirement was summarized.
对国内外生态环境需水量研究现状作了概述。
5·In the third step, the total water requirement should be less than the renewable resources to compensate for the loss of storage resources due to the exploitation in the previous steps.
第三阶段应实现总需水量低于地下水系统补给资源量,使数十年超采造成的储存资源亏空逐年得以偿还。
同义词
[土壤]需水量