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water and soil相关的网络例句

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与 water and soil 相关的网络例句 [注:此内容来源于网络,仅供参考]

Have known concave-convex soil of landed estate and the new model compound adsorption driers taking the person as raw material such as Anhui Ming Guang , Jiangsu Xuyi, local concave-convex structure and water absorption function, think that concave-convex soil has but is H2 , N completely compared with zeolite molecular sieve, 2, O 2, air waits for the inactive gas adsorption drier.

了解了安徽明光、江苏盱眙等地产凹凸土及以其为原料的新型复合吸附干燥剂,凹凸土的结构和吸水性能,认为与沸石分子筛相比,凹凸土完全有可作为H2、N 2、O 2、空气等惰性气体的吸附干燥剂。

After yearly burning, soil moisture content, porosity, separate coefficient, capillary and field moisture capacity increased, however, soil saturated water retaining capacity and unit weight decreased.

连年火烧使土壤含水率、孔隙度、分散系数、毛管持水量和田间持水量升高,而使土壤饱和持水量、容重下降。

One is that the particle size of the soil sample and the capillary water climbing are inverse relationships; the other one is that the particle size of soil sample and the penetration coefficient are direct ratio relationships.

一是土样的粒径与毛细水爬升高度成反比关系;二是土样的粒径与渗透系数成正比关系。

Landfill monitoring system includes monitorings of underground water, water level of underground water drainage system, Leachate level, leachate storage tank, leachate, gases, soil and stabilization of final cover layer eight parts.

填埋场监测系统包括地下水监测,地下水排水系统水位监测,沥滤液水位监测,沥滤液贮水池监测,渗漏液监测,气体监测,土壤监测和最终覆盖层的稳定性监测8个部分。

The microbial desulfurization of Wuda Que-er-gou's coal was carried out in acid mine water,soil water,city sewage and factory outlet water of inner Mongolia by means of air agitations.

利用空气搅拌法,研究了内蒙古自治区酸性矿井水、土壤液、城市污水和工厂废液对乌达雀儿沟煤中硫的脱出能力。

Five kinds of DOM derived from the solid wastes were used as the desorption solution and 13 kinds of soil distributing widely in China were used as the adsorbent in this research. The deferences of the PCB equilibrium desorption with DOM solution and with deion water were compared through shaking to find the mechanism of the DOM effect and the soil characteristics by which the DOM effect was influenced.

本研究以去离子水和从固体废弃物中提取的DOM溶液为解吸溶液,用中国广泛分布的13种土壤作为吸附剂,通过室内振荡的方法实现PCB的等温解吸平衡,研究DOM对PCB土壤解吸行为的影响。

Soil erosion is the process of that soil particles with surface attachments are moved, transferred and deposited under external forces, such as water power, gravity and wind power, physical, chemical weathering and eluviations, including human beings activities.

土壤侵蚀是指在外营力作用下,土壤颗粒及地表附属物被剥蚀搬运、迁移、沉积的一个过程,侵蚀的源动力来自于水力、重力、风力、物理或者化学风化、淋溶过程,人为活动也是一个重要的源动力。

The law was alike between initial stage and the peak of growth, but the rates reaching maximum of negative and positive were in the different soil depths , and the inflexions of increment anti decrement by degrees were also different. The soil water content in terminal stage increased positively, and in surface reached the maximum, but decreased with the depths, except a little increment in the depth of 460~600cm.

年生长季内,不同生长时期,土壤含水量变化的速度不同,生长初期和生长旺季的规律相似,但速度出现负的最大和正的最大所在的土层深度不同,速度递增和递减所在的土层深度也不同,生长末期速度均为正值,表层最大,随土层深度的加深,速度递减,但到460~600 cm处速度略有增加。

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。

As a result silver chai n forest land has a better capacity in soil and water conservation than naked l and. It can reduce surface runoff than naked land when rainfall changes around 3 0mm. In 2000, 179.42 g/m~2 soil were lossed in silver chain forest land, 980.1 g/m~2 in naked land on the contrary.

结果表明,与裸地相比刺槐林有很好的水土保持作用,能明显地减少地表径流和泥沙侵蚀。3 0 mm左右降雨量,有林地减少地表径流的能力是无林地的 3倍以上。2 0 0 0年径流观测场有林地土壤流失量为 179.4 2 g/ m2 ,无林地土壤流失量为

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