设计保证率

本文通过对影响实测涌水量的两种因素分离，利用很少的资料，分析出一种求解设计保证率的矿井水可利用水量的方法。

Available water resources of mine under designed firm probability can be obtained by separating these two factors using small data .

随机存贮模型在新疆内陆干旱区灌溉设计保证率优化设计中的应用

Application of the Random Inventory Model To the Optimal Design for Guaranteed Frequency of Irrigation Design in The Inland Arid Area in Xinjiang

根据多年库容的概念，采用试算法计算了设计保证率下的多年库容。

Based on the concept of carryover storage of reservoir , the carryover storage of reservoir under the design pmba-bility is calculated with the trial method .

结合射阳试验站冬小麦的咸淡水灌溉试验，分别计算了不同灌溉设计保证率下的最优灌溉制度，为当地微咸水资源的利用及咸、淡水灌溉制度管理提供了理论指导。

4 . With winter wheat 's irrigation experiment of salty and fresh water in sheyang experiment station , calculate the optimum irrigation system in different design guaranteeing rate , offere the theoretical direction for the utilize of local brackish water resources and the management of salty-fresh water irrigation .

农田水利工程设计：灌溉设计保证率为75%。

Hydraulic farming engineering design : irrigation design reliability is 75 % .

根据防冻型防冻剂的性质，提出了掺防冻剂砼配合比的设计修正系数及其达到设计强度保证率为95%时的配合比计算方法。

Based on the properties of resistant damage type antifreezing admixture , we advanced a new method of design mix of concrete with antifreezing admixture . In this method , it contained design correct coefficient and arrived 95 % ratio of guarantee for design strength of concrete .

灌区灌溉设计中，常用降雨量进行频率分析来选取灌溉设计保证率及其对应典型年。

Rainfall frequency analysis is used commonly to determine probability of irrigation water requirement , and to choose typical years for irrigation project design .