| 1. | Conservation tillage effect on runoff and infiltration under simulated rainfall 用人工模拟降雨研究保护性耕作下的地表径流与水分入渗 |
| 2. | Symbolized model for simulating rainfall erosion ability in the west - mountainous area of henan province 豫西山区次降雨侵蚀力简化模型的建立 |
| 3. | Study on the adoption of simulated rainfall and runoff scouring experiment in predicting soil and water loss 人工模拟降雨与径流冲刷试验在水土流失预测中的应用探讨 |
| 4. | A filed study on soil nutrient loss of different slope landuse types in the xiaolangdi gorges reservoir area was conducted under simulated rainfall 摘要通过野外模拟降雨试验,分析了撂荒荒坡、林草间作、农林间作、造林林地和坡耕地翻耕种植玉米、坡耕地翻耕休闲6种利用方式下的土壤流失特征。 |
| 5. | Using simulating rainfall experiment and the present research , we deeply analyze the runoff and sediment transport rules and effect of shrub and grass measures under different slope and rainfall intensity 摘要利用人工模拟降雨小区试验,分析了林地和草地2种生物措施在不同坡度、不同雨强下的径流调控和产沙机制。 |
| 6. | According to the analysis of the data of field observation and the simulated rainfall erosion experiment in lab , the results showed that there were many differences in the formation mechanism and development processes between the rills and sockets 3 、水沟、水穴(浪窝)的成因水沟、水穴(浪窝)都是降雨径流侵蚀的产物。野外实地观测和室内降雨侵蚀试验研究表明,两者在成因和发展过程上存在着差异。 |
| 7. | By placing different rare earth elements ( ree ) in different soil depth and different section across one slope in an indoor plot , one simulated rainfall was applied to study the spatial - temporal process both of depth and section erosion across one slope plot simultaneously 摘要室内交叉布设不同的稀土氧化物,通过人工模拟次降雨,在同一试验条件下,对坡面侵蚀沿顺坡方向和深度方向的演变过程同时展开研究。 |
| 8. | Effects and mechanisms on reducing soil and water loss in hedgerow ecosystems ( 1 ) hedgerows are capable of retaining water and soil under actual and simulated rainfall conditions . rain erosive power and rainfall were higher in june and august than in other months in 2001 植物篱笆生态系统减水减沙效应及机理( 1 )自然降雨和人工降雨条件下,坡耕地植物篱笆均具有明显的水土保持效应,而且这种效应在植物篱笆的生长后期更为突出。 |
| 9. | By means of the study the main results are listed as follows : ( 1 ) the results of flume experiment and simulated rainfall experiment with a fixed intensity indicated that , the influencing degree of rainfall on overland flow velocity had something to do with the runoff discharge above and rainfall intensity 通过研究取得了如下结论: ( 1 )水槽放水试验和定雨强模拟降雨试验结果表明,降雨对坡面薄层水流流速的作用与放水流量和雨强大小有关。 |
| 10. | Based on the theory and method of soil water - dynamics and soil erosion , using the simulated rainfall and double - ring methods , the author systematically studied the soil infiltration law in the slope land of loess plateau 本文以陕西淳化黄土高原沟壑区和安塞黄土丘陵沟壑区为研究试验区,应用土壤水动力学和土壤侵蚀学的原理与方法,借助人工降雨装置和双环装置,通过野外大量试验与室内分析及计算机模拟等方法,系统地研究了黄土坡耕地土壤入渗规律。 |