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- Qin H L, Gao W S, Ma Y C, Yang S Q, Zhao P Y.Effects of no-tillage on soil properties affecting wind erosion during fallow in ectone of north China. 秦紅靈;高旺盛;馬月存;楊世琦;趙沛義.;免耕對農牧交錯帶農田休閑期土壤風(fēng)蝕及其相關(guān)土壤理化性狀的影響
- Abrasion also abets wind erosion. 磨損作用也助長(cháng)了風(fēng)的侵蝕。
- The pipe engineering could increase the wind erosion and worsen the soil nutrient. 管線(xiàn)施工會(huì )增加地表風(fēng)蝕量，并影響土壤養分和水分狀況。
- 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. 全國水土流失總面積356萬(wàn)平方公里。其中水蝕165萬(wàn)平方公里，風(fēng)蝕191萬(wàn)平方公里。
- Aeolian sand, distributed extensively around China?s arid and semi arid zones, is the main bearing body of wind erosion in China. 風(fēng)成沙廣泛分布于我國干旱與半干旱地區，是我國風(fēng)蝕與風(fēng)沙活動(dòng)的主要載體。
- The extracted tree rows and hedges can be used to update the GIS database, to derive wind erosion risk fields for soil monitoring and preservation. 所提取的行樹(shù)與籬笆信息可以應用于gis數據更新、土壤監測與保護、風(fēng)侵蝕的危害計算等。
- 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. 全國水土流失總面積356萬(wàn)平方公里。其中水蝕165萬(wàn)平方公里，風(fēng)蝕191萬(wàn)平方公里。
- Stubble strip of conservation tillage can lower wind velocity, conserve water and soil, resist wind erosion and protect strip ploughed land. 這種措施既能發(fā)揮保護性耕作帶殘茬降風(fēng)速、保水土、抗風(fēng)蝕的作用，并對翻耕帶形成保護；
- The forecasting of those soil and water losses types such as water erosion, wind erosion, gravity erosion and mudflow should be paid equal attention. 對水土流失中水蝕、風(fēng)蝕、重力侵蝕、泥石流等應同樣認真預測；
- 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風(fēng)蝕與人工植被防風(fēng)阻沙效益研究。
- Research on soil resistance to wind erosion is very few in our country, this is very adverse to soil erosion prevention and cure and soil erosion evaluation. 但是我國對土壤抗風(fēng)蝕能力的研究還幾乎是一片空白,這對土壤風(fēng)蝕防治和評價(jià)等工作的開(kāi)展都是極其不利的。
- However, 70 X 104 km2 of grassland became sources of sand dust because of soil wind erosion, which account for 30.4% of all sand dust sources, and 38% of all grassland in China. 但有近75萬(wàn)km~2的草地發(fā)生風(fēng)力侵蝕并為沙塵暴提供物質(zhì)來(lái)源，占總物質(zhì)來(lái)源地的30.;4%25，占全國草地面積的38%25。
- 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風(fēng)蝕能力要強于黏粒含量低的土壤。
- Weakly coherent surfaces are more susceptible to sheet and wind erosion. 粘著(zhù)不牢的表面對片狀侵蝕和風(fēng)蝕更加敏感。
- At 17 o'clock on on the 29th, the center moved to Sanya City in Hainan Province, about 180 km south-east of the sea, near the center of the largest wind 8 to 20 m / s wind speed. 29日17時(shí)，其中心移到海南省三亞市東南方約180公里的海面上，中心附近最大風(fēng)力8級，達到20米/秒的風(fēng)速。
- 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. 農田地表秸稈覆蓋是防止水土流失的一項主要措施,研究秸稈覆蓋度與土壤風(fēng)蝕、水蝕的定量關(guān)系對農田采取合理的覆蓋形式有重要的指導意義。
- Wind erosion is an environment process of soil particle movement forced by wind, including the sub-processes of soil particle entrainment, space transportation and deposition. 摘要土壤風(fēng)蝕實(shí)質(zhì)上是土壤顆粒在風(fēng)力作用下發(fā)生位移的自然過(guò)程，它包含了土壤夾帶起沙、空間輸移及沉降淀積等三個(gè)階段。
- Conclusion The eye?s wound while the vision sensitive and visual field maybye express pathology change. 本文提示外傷性青光眼及眼眶骨折應常規檢查視野，以了解視神經(jīng)是否受損害。
- Let' s wind up the plans. 讓我們把這些計劃訂完吧。
- 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. 全國水土流失總面積由20世紀80年代末的367萬(wàn)平方公里減少到90年代末的356萬(wàn)平方公里，10年間減少了11萬(wàn)平方公里，其中水蝕減少了14萬(wàn)平方公里，風(fēng)蝕增加了3萬(wàn)平方公里。
