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- The formula is superior to existing formulae, and it can be used in the research of muddy irrigation, rainfall runoff and erosion processes in watershed. 这一成果对流域降雨产汇流、壤侵蚀机理研究及浑水灌溉研究与应用具有一定的价值。
- The annual variation of runoff and erosion induced sediment yield gradually decreased along with the development of soil and water conservation work and the increase of forest and grass vegetation. 径流和侵蚀产沙的年际变化是随流域水土保持措施全面实施和小流域林草植被面积的增加,流域径流量和侵蚀产沙量逐渐减少。
- Effect Simulations of Land Use Change on the Runoff and Erosion for a Gully Catchment of the Loess Plateau, China 黄土丘陵小流域土地利用变化对水土流失的影响
- The rock is resistant to weathering and erosion. 这种岩石不易风化和侵蚀。
- Runoff and Erosion Analysis on Different Patterns of Vegetation Restoration and Management on Slope Land in High Precipitation Area of Western China 华西雨屏区退耕地不同植被经营模式坡面径流和产沙特征分析
- Incorporating soil surface crusting processes in an expert-based runoff model: Sealing and Transfer by Runoff and Erosion related to Agricultural Management 在基于专家的径流模型中对土壤表面板结过程具体化:与农业管理有关的由径流和侵蚀引起的填塞和转移
- The most often side effects were local mild erythema and erosion. 最常见的不良反应为局部轻度红肿、糜烂。
- runoff and erosion 产流产沙
- The average contributive ratio affecting soil erosion by human activities is 65.6%, and at the same period the contributive ratio by runoff and rainfall is 34.4%. 通过数学模型定量的计算了大沙河流域人类活动对泥沙输移减少的贡献率平均为65.;6%25,而同期径流和降雨对泥沙减少的贡献率平均则为34
- 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。
- High rain intensity tended to undermine penetration of rain water in soil and thus reduced soil moisture.At the same rain intensity, flat cultivation produced maximal surface runoff and soil erosion. 在耕作方式相同时,雨强越大,地表径流量越大,地下径流量减少,总径流量增加,不利于土壤保蓄雨水和含水量的提高。
- Uplift and erosion at last produced the desert landscape we see today. 最后,地表抬升和侵蚀作用产生了我们今日所见的沙漠风貌。
- But urban runoff and septic seepage are not always the main culprits behind microbial pollution. 不过,都市迳流及化粪池的渗漏,并非一直是微生物污染背后的主要凶手。
- Material: made from PVC, oil and erosion control, heat resisting up to85℃. 材质:采用优质pvc制成,能防止油性及其他物质侵蚀.
- No longer abrasion and erosion of lining caused by conveyed fluid particles. 消除了由于输送介质而产生的对内衬的磨损和腐蚀.
- Effects of afforestation methods on nutrient runoff and fertility quality of red soil. 造林方式对红壤养分流失和肥力质量的影响。
- Eurasian grass grown in United States great plains area for forage and erosion control. 生长于美国大平原地区的欧亚草种,用作饲料或控制水土流失。
- Stripping the land in these ways allows faster surface runoff and exacerbates flooding. 这些做法终将使土地裸露、地表径流加快,从而加重了洪水的威胁。
- 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。
- I hit him fair and square on the jaw. 我不偏不倚打中他的下巴。