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Making use of this model I have a taste in Yan Shan Reservoir watershed in He Nan Province: I start on the information of the surface in this area, give every grid cell the proper parameters by distilling them from the map of how the people use soil and the map of soil type in this area; In order to get the topographical information, I add numerical value to a abundant of contour lines and points in topographical map, use the software Arc View of GIS to create Digital Elevation Models automatically, get every volume of the reservoir from the water level 99m to 117m. By using a special module of the software, I distill triumphantly the grid cells elevation value, slope value, flow direction, flow accumulation, watershed, stream network, isochrones and so on.

本文在分布式水文模型的基础上,对河南省燕山水库流域洪水入库计算模拟方面作了一些研究:从燕山水库流域的下垫信息开始着手,依据流域的土地使用类型图、土壤分布图确定每个栅格单元的土壤特性和土地利用方式,进行下垫信息的参数化,得到单元模型所需的参数值;为了提取地形信息,本文通过对流域地形图海量数据加载高程值,利用GIS软件自动生成流域内的数字高程模型,提取了流域水文模型所需要的库容曲线;通过栅格自动划分,提取栅格单元的高程、坡度、栅格流向、流域边界、虚拟河网、流量积累、等时流线面积分布等分布式水文模型的流域特征。

The results show that with the increase of strain rate, the grain sizes of thermal simulation AZ31B alloys with different deformation all decrease; however, when other conditions are the same, the higher deformation will lead to the formation of the smaller grain size, and as the cooling intensity decreases, typical cast structure of AZ31B will appear. With the decrease of roll casting temperature, the dendritic size of roll casting AZ31B alloy sheet prepared by the same strain rate is also reduced, but with the increase of strain rate, the dendritic size of the alloy sheet prepared by the same initial roll casting temperature is decreased, and the tendency of dendritic streamline is strengthened. During the roll casting process of AZ31B alloy, rolling force should not be large, otherwise it will cause heat cracking.

研究结果表明:在不同应变量下,热模拟样品的晶粒粒度均随应变速率的增加而减小,而当其他条件相同时,变形量越大晶粒粒度越小,冷却强度降低,合金呈典型铸态组织;利用铸轧技术生产的AZ31B合金,当应变速率一定时,随着初始铸轧温度的降低,铸轧态板材的树枝晶粒度逐渐减小;而在初始铸轧温度一定时,随着应变速率的增大,铸轧态合金板材的树枝晶粒度也逐渐减小;而随着应变速率的提高,树枝晶沿轧向呈流线状排列的趋势增强;在AZ31B合金铸轧过程中,轧制力不能太大,否则容易引起热裂。

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The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因,如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

You were hired to drum up new business, so go and do it.

公司雇你招徕新业务,你就做你的事好了。

Who is in possession of this?

这是谁的?