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- simulated rainfall method 人工降雨法
- A direct calculation method of the critical shear stresses was established according to experiment datum on simulated rainfall. 提出了采用人工模拟降雨试验数据直接计算临界抗剪切应力的方法。
- C.Z.Pan, Z.P.Shangguan.Runoff hydraulic characteristics and sediment generation in sloped grassplots under simulated rainfall conditions. 潘成忠;上官周平.;黄土区土壤质地对坡面产流产沙过程的影响
- However, the simulated rainfall rate in BILIS is higher than observed, the errors are possible due to some deficiencies in the model physics and the simulated intensity was stronger than observed. 降水分布方面,模拟同样能掌握风切下游的降水量皆高于上游之特性,但碧利斯的模拟降水量稍高于观测,可能是碧利斯结果中台风强度过强或模式物理不够完整所造成。
- To study the water-holding capacities of desert soil and the soil amended with coal ash and sewage sludge, experiments were designed to simulate rainfall and natural evaporation. 通过模拟降雨及降雨后自然条件下的土壤表面水分蒸发,研究了粉煤灰和城市污泥配施对荒漠土壤持水性能的影响。
- This paper analyzed characteristics of slope runoff over infiltration on loess plateau, which applied for simulative rainfall experiment and employed hydraulic theories. 本文利用人工模拟降雨试验,根据水力学理论,统计分析了黄土高原坡面超渗径流特征。
- The method seems good but it needs to be tried out. 这个方法似乎不错,但需要试验一下。
- The simulation rainfall and the field experiments have been madein this article, and the technology of bulk subsoil was applied in bess plateau to observe the effectfor increasing the infiltration and the affection for the growth of Caragana. 本文通过模拟降水试验和田间试验探讨了不同雨强和降水时间下降水入渗、集蓄特点,对全方位深松技术对土壤入渗性能的影响做了研究,考虑了土壤结皮、植被和耕作方式等因素的影响,并将其归结为对导水率的影响,推导出改进的Green-Ampt公式,并对试验结果进行了模拟计算。
- To study the water " holding capacities of desert soil and the soil improved with coal ash and sewage sludge, experiments were designed to simulate rainfall and natural evaporation. 摘要本文通过模拟降雨及降雨后自然条件下的土壤表面水分蒸发,研究了粉煤灰和城市污泥改良荒漠土壤对持水性能的影响。
- DEVELOPMENT OF SOIL CRUST THROUGH SIMULATED RAINFALL IN LABORATORY 人工降雨条件下几种土壤结皮发育特征
- The mean yearly rainfall is20 inches. 每年平均降雨量是二十英寸。
- Impacts of Slope Length on Soil Erosion Process under Simulated Rainfall 坡长对侵蚀产沙过程影响的模拟研究
- This area has very low rainfall. 这个地区雨量稀少。
- The rainfall averages 36 inches a year. 年降雨量平均为36英寸。
- I can't claim infallibility for this method. 我不敢说这方法绝对有效。
- Summer fallow is the best method of destroying weeds. 夏季休耕是消灭杂草的最好办法。
- Excessive rainfall had made the harvest impossible. 雨量过多,丰收已经不可能了。
- There was another rainfall early this morning. 今天清晨又下了一场雨。
- Popularizing this new method is not an easy job. 推广这种新方法不是件容易的工作。
- The rainfall there averages 300 mm a year. 那儿的年降雨量平均每年为三百毫米。
- 今日热词
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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