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- Grey theory is employed in the prediction of soil erosion rate, and a computer program is written in VC++6.0 language to ease the calculation of soil erosion rate. 同时;还将灰色理论引入了风蚀模数的预测;利用VC++6.;0编制了计算程序;降低了风蚀模数的预测难度。
- REVIEW OF STUDY METHODS OF SOIL EROSION RATE 土壤侵蚀速率研究方法综述
- Estimations with four existing calibration models showed that PM model underestimated while MBM 1 model overestimated the soil erosion rates very obviously,and both MBM 2 and MBM 3 gave similar and reasonable estimations. 文中采用 4种常用的~(137)土壤侵蚀模型估计研究区的土壤侵蚀速率 ;结果表明 ;PM模型明显低估了土壤侵蚀速率 ;MBM1明显高估了土壤侵蚀速率 ;MBM2 和MBM3估计的结果较为相近的合理结果 .
- Analysis on the Influence of Soil and Water Conservation Means on Soil Erosion Rate of Freeway Slope 高速公路不同边坡土壤保持措施对土壤侵蚀速率影响分析
- Study on black soil erosion rate and the transformation of soil quality influenced by erosion 黑土侵蚀速率及其对土壤质量的影响
- Preliminary Estimate of Soil Erosion Rate on Red Soil Developed From Red Sandstone Using 137 Cs Measurements 红砂岩母质红壤侵蚀作用的137Cs法初步研究
- The shelter belt halted the soil erosion. 防护林带防止了水土流失。
- This will help to prevent soil erosion. 这可以有助于防止水土流失。
- Crop rotation helps prevent soil erosion. 农作物轮作有助于防止水土流失。
- NPS models application in soil erosion simulating. 非点源污染模型在土壤侵蚀模拟中的应用及发展动态
- soil erosion rate 土壤侵蚀速率
- Soil erosion is a main contributor to water pollution. 土壤侵蚀是水污染的一个主要根源。
- Drought and soil erosion had long been a major problem. 干旱和水土流失一直是个老大难问题。
- They decide to plant more trees to prevent soil erosion. 他们决定种更多的树以防土壤受侵蚀。
- Why Does Our Forest Cover Rate Raise Year by Year but Soil Erosion and Desertification Get Serious? 为什么我国森林覆盖率逐年提高而水土流失和荒漠化却日益严重?
- Soil erosion was mitigated by the planting of trees. 植树造林减轻了土壤侵蚀。
- Any soil erosion or degradation problems? Prevention measures? 是否存在水土流失、土壤退化问题?防治措施。
- Why do you think that agriculture can spend up soil erosion? 为什么农业会加速水土流失?
- As the seabed erosion rate decreases, the diapir shrinks gradually and disappears finally due to the erosion. 软弱层变形及刺穿对海洋工程设施危害极大。
- Influence of Overgrazing on Soil Erosion of Grassland. 过度放牧对草原土壤侵蚀的影响。