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- runoff and sediment transport 径流泥沙
- Impacts of forest and precipitation on runoff and sediment in Tianshui watershed and GM models. 渫水流域森林和降水量的变化对径流及泥沙影响分析和GM模型。
- Nutrient content in surface runoff and sediment was highest in the beginning of surface runoff, and then became stable. 撂荒荒坡、林草间作和造林林地沉淀泥沙中的全氮、全磷、全钾和有机质含量高于其它3种利用方式。
- Cultivation of slope farmland influences surface runoff and sediment movement on slopes. 摘要坡耕地由于人为耕作管理作用,造成地表高低起伏,影响著坡面地表径流和产沙。
- The model is applied to compute the runoff and sediment transmission at Xingshan,Bixi and Shunlixia stations. 同时该模型能用于评价流域内人类活动因素对流域产流产沙规律的影响。
- The runoff and sediment volume increased with the increase of the overland flow and slope. 随着降雨量和坡度的增大,各地类径流量和泥沙量也随之增大。
- Forest vegetation impacts on runoff and sediment within nested experiment watersheds on the loess plateau in western Shanxi province. 晋西黄土区森林植被对嵌套流域径流泥沙影响研究。
- The runoff and sediment yield is affected by the process of rainfall and the function of water and soil conservation measurement. 弃土场区域内产流受到降雨特征和水保措施功能发挥的影响。
- Based on these, the outlook of the tendency of runoff and sediment variety in the future in the upper area from Sanmenxia is put forward. 在此基础上,对未来黄河三门峡以上区域的水沙变化趋势进行了展望。
- Surface runoff and sediment were measured for four summer storms along three logging roads of two different lengths in Lien-hua-chi forest area, Nantou. 摘要本试验于南投县鱼池乡莲华池林区的三条林道测量了四场夏季暴雨时的迳流量及泥沙量。
- The generation process of runoff and sediment erosion and the hydrodynamic characteristics of flow on forage grass slope with different coverage are quantitatively studied in laboratory. 通过室内模拟降雨试验,研究了不同盖度草地与裸地坡面的产流产沙过程与坡面流水动力学特性。
- The Yalin's bed load formula and Einstein's suspended load carring power formula have been used as a control to obtain sediment transport and sediment delivery ratio on the hillslope in the mountain watershed. 用Yalin推移质公式和Eim-stein悬移质挟沙能力公式作为控制,求出了坡面径流的输沙量和泥沙输移比。
- According to the observed runoff and sediment data of Lijin Hydrometric Station, the paper analyzes the characteristics of runoff and sediment variations of the Yellow River mouth since 1950. 根据利津水文站的实测水沙资料,分析了1950年以来黄河口水沙的变化特征。
- River and Ocean Dynamics and sediment transport including mathematical model of wave and tide the problems of siltation in ports. waterways and intakes of electric plants and so on. 河流海洋动务环境及物质输移规律,潮流波浪数值计算,港口航道及电厂水口工程泥沙问题,尤善于物模试验。
- Because of the unique topographic, river runoff and sediment conditions in Xinjiang Turpan area, the section with trapezium-arch shape are usually adopted in general channels and branch channels. 摘要新疆吐鲁番地区地理及径流、泥沙条件独特,干支渠一般都采用梯拱形断面型式。
- Two thirds of the world's total sediment transport to the oceans occurs in South and East Asia, UNEP said, and deforestation is adding to soil erosion and sediment loads in waterways. 凡得瓦表示,会议也希望促成政府、民间社团、地方政府、私人企业及其他非政府组织间的更多合作和联盟。
- Additional hydrology data, for the past27 years, shows the affect on runoff and sedimentation by the development of the forest. 然后依据27年的水文资料,分析森林的动态变化对径流、沙的影响。
- variation characteristics of runoff and sediment 水沙变化特性
- 3-D flow and sediment transport model 三维水沙数学模型
- unsteady flow and sediment transport 非恒定水沙输移
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries