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- The forecasting of those soil and water losses types such as water erosion, wind erosion, gravity erosion and mudflow should be paid equal attention. 对水土流失中水蚀、风蚀、重力侵蚀、泥石流等应同样认真预测;
- alternate action of wind erosion and water erosion 风水交互侵蚀
- wind erosion and water erosion 水蚀作用
- The soil straw cover of farmland is a main method to prevent the soil and water erosion,it is very important to research the relation between the straw cover and the wind erosion. 农田地表秸秆覆盖是防止水土流失的一项主要措施,研究秸秆覆盖度与土壤风蚀、水蚀的定量关系对农田采取合理的覆盖形式有重要的指导意义。
- Soil and Water Erosion (SWE) bulletin is an important part of SWEM. 水土流失公告是水土保持监测工作的一项重要工作内容。
- Stubble strip of conservation tillage can lower wind velocity, conserve water and soil, resist wind erosion and protect strip ploughed land. 这种措施既能发挥保护性耕作带残茬降风速、保水土、抗风蚀的作用,并对翻耕带形成保护;
- The total soil erosion area in the whole country is 3.56 million km2,water erosion being 1.65 million km2 and wind erosion area 1.91 million km2. 全国水土流失总面积356万平方公里。其中水蚀165万平方公里,风蚀191万平方公里。
- The total soil erosion area in the whole country is 3.56 million km2, water erosion being 1.65 million km2 and wind erosion area 1.91 million km2. 全国水土流失总面积356万平方公里。其中水蚀165万平方公里,风蚀191万平方公里。
- The total area of the soil erosion has reduced from 3.67 million km2 in late 1980s to 3.56 million km2 in late 1990s, with 110000 km2 reduced in ten years, among which, water erosion reduced by 140000 km2 and wind erosion increased by 30000 km2. 全国水土流失总面积由20世纪80年代末的367万平方公里减少到90年代末的356万平方公里,10年间减少了11万平方公里,其中水蚀减少了14万平方公里,风蚀增加了3万平方公里。
- Soil with higher clay content has the higher capability preventing soil from wind erosion than one with less clay content under the together action of PAM and water. 在水分和PAM的共同作用下,黏粒含量高的土壤的抗风蚀能力要强于黏粒含量低的土壤。
- The total area of the soil erosion has reduced from 3.67 million km2 in late 1980s to 3.56 million km2 in late 1990s,with 110000 km2 reduced in ten years,among which,water erosion reduced by 140000 km2 and wind erosion increased by 30000 km2. 全国水土流失总面积由20世纪80年代末的367万平方公里减少到90年代末的356万平方公里,10年间减少了11万平方公里,其中水蚀减少了14万平方公里,风蚀增加了3万平方公里。
- All these diseases mentioned above are caused by wind erosion,rainfall erosion and repeated eutectic salt dissolving. 这些病害的形成是风蚀、雨蚀和易溶盐反复的溶解结晶等综合作用的结果。
- The pipe engineering could increase the wind erosion and worsen the soil nutrient. 管线施工会增加地表风蚀量,并影响土壤养分和水分状况。
- Based on the characters of water erosion and rock clasts, the Zhangxia Loess is possibly a product of aeolian-talus-pluvial process. 张夏黄土下部呈现明显的水流侵蚀痕迹,中间夹有围岩碎屑,应属于风成、坡积、洪积成因的黄土状土。
- Because of long-time water erosion and weathering , the furface of the stone becomes uneven, looking like a rough sea. 由于长年被水流冲蚀溶蚀及风化作用,使岩石表面凸凹不平,如同风吹过水面,卷起千层浪。
- Because of the mountain barriers, the weather there is extremely dry.It has a typical geomorphology of dry wind erosion and wind deposit. 盆地四周被高山环绕,封闭得严严实实,气候极端干旱,干燥的风蚀和风积地貌发育十分典型。
- Photo Gallery: Erosion and Weathering Wind erosion makes these layered sandstone hills swirl in Paria Canyon-Vermilion Cliffs Wilderness Area. 意译:侵蚀和风化的图片画廊。风蚀使这些层状的砂岩丘陵漩涡中帕里亚峡谷,朱红色悬崖荒野地区。
- In 2000,desertification includes sandy desertification,water erosion and salinization in Maowusu sandy land and there is totally 6. 2000年毛乌素沙地的荒漠化类型包括沙漠化、水土流失和盐碱化,共有荒漠化土地6。
- Study on Soil Wind Erosion and Vegetation efficiency of Wind and Prevention Sand Resistance Artificial Vegetation at Sand-Land in Yongding River in Beijing. 北京市永定河沙地土壤风蚀与人工植被防风阻沙效益研究。
- Gully region is the most severe place of soil and water erosion in the catchment scale of Loess Plateau. 在黄土丘陵沟壑区,沟坡是小流域尺度上水土流失最为活跃的部分,对其水热条件的了解是进行综合治理的基础。
- 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