您要查找的是不是:
- soil erosion control on slopes 坡面措施
- The experiences for soil erosion control on the hill slope both side of main watercourse at the part of Fenhe River in Jingle County 静乐县汾河干流两侧坡面治理的经验
- People plant trees on barren hill sides for soil erosion control. 人们在荒丘上种植了树木,以减少水土流失。
- The research progress of plant roots on soil erosion control in recent years is reviewed. 摘要介绍了近年来植物根系对土壤侵蚀控制机理的研究进展。
- Effects of Vegetation Corridor Along Thalweg on Soil Erosion Control on the Loess Plateau 黄土高原沟沿线的廊道防蚀效应探析
- Sun Hui, Tang Ya, Chen Keming, et al. Effect of contour hedgerow system on slope lands erosion control[J]. 孙辉;唐亚;陈克明;等.;固氮植物篱防治坡耕地土壤侵蚀效果研究[J]
- In recent years in particular,the State and the Tibet Autonomous Region have increased their investment in soil erosion control,which has yielded highly desirable results. 特别是近年来,国家和西藏自治区加大了治理水土流失的投资,并取得了良好的效果。
- It has higher systematic stability and error tolerance.Base on the dynamic and physical behavior of soil erosion, the present paper modified the CFNN to predict soil erosion on slope land. 根据土壤侵蚀过程内在特点,采用一种改进的补偿模糊神经网络(CFNN)方法,对坡面侵蚀产沙过程进行了预测研究。
- This review describes ecological functions of the bamboo forest on soil erosion control, water conservation, land rehabilitation, and carbon sequestration. 本文综述了竹林在控制土壤侵蚀,涵养水源退化土地的恢复,以及大气二氧化碳减方面的生态功能。
- In the comprehensive soil erosion control area in the Loess Plateau, a total of 15 million hectares of land have been treated -- 30 percent of the soil erosion area -- with over 300 million tons less silt flowing into the Yellow River every year. 黄土高原水土流失综合治理区已累计治理1500万公顷,使30%25的水土流失面积得到不同程度的治理,年输入黄河的泥沙减少3亿吨以上。
- In the comprehensive soil erosion control area in the Loess Plateau,a total of 15 million hectares of land have been treated -- 30 percent of the soil erosion area -- with over 300 million tons less silt flowing into the Yellow River every year. 黄土高原水土流失综合治理区已累计治理1500万公顷,使30%25的水土流失面积得到不同程度的治理,年输入黄河的泥沙减少3亿吨以上。
- The programs for building urban green shelter,afforestation in the remote area,development of ecological agriculture,soil erosion control and desert and barren land reclamation are all well under way. 城市绿化隔离带、郊区植树造林、生态农业、水土流失和沙荒地治理等均进入大规模建设阶段。
- The programs for building urban green shelter, afforestation in the remote area, development of ecological agriculture, soil erosion control and desert and barren land reclamation are all well under way. 城市绿化隔离带、郊区植树造林、生态农业、水土流失和沙荒地治理等均进入大规模建设阶段。
- Effect of Contour Hedgerow System on Slope Lands Erosion Control 固氮植物篱防治坡耕地土壤侵蚀效果研究
- Soil Erosion Control in Plain Region 平原地区水土流失的防治
- The main cause of soil erosion is deforestation for farmland reclamation and cultivation on steep slopes. 水土流失的主要原因是毁林开垦,陡坡种植。
- Soil Erosion Control Project on the Yangtze River “长治”工程
- DEVELOPMENT OF TOPOGRAPHICAL LASER SCANNER AND APPLICATION TO SOIL EROSION RESEARCH ON SLOPE LAND 激光微地貌扫描仪的开发研制及在坡面侵蚀研究应用初步
- There are strict controls on immigration into this country. 移民到这个国家有严格的限制。
- Effects and mechanisms of plant roots on slope reinforcement and soil erosion resistance: A research review 植物根系固坡抗蚀的效应与机理研究进展