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土壤冲蚀
相关语句
  soil erosion
     The soil erosion control with the non-woven geo-textiles compared with the soil erosion without geo-textiles protection as follows: reduces 62% on the 15° slope;
     实验结果发现,于坡度15°之土壤冲蚀量实验中,铺设人工抗冲蚀网较未铺设抗冲蚀网之土壤冲蚀量减少62%;
短句来源
     Investigation on the co-relations between forest and flood /soil erosion
     森林与洪水及土壤冲蚀相关性研究
短句来源
     Torrential rain in slope land area, not only cause soil erosion but also landslide, even cause more runoff to concentrate and increase flood peak runoff, and deliver severe soil and sediment calamity in downstream areas.
     山坡地区遇上连日暴雨时,不但引起土壤冲蚀和山崩,更易造成径流集中,使洪峰径流量大幅增加,带来下游地区严重洪水及泥沙灾害。
短句来源
     The study focuses on the soil erosion control using the non-woven geotextiles on different hillslopes.
     本研究主要利用非编织型资材之高分子材质人造抗冲蚀网,探讨在不同坡度下土壤冲蚀量之改善效率。
短句来源
     Effects of rice straw covering net on soil erosion and wheat yield were studied with self-designed soil erosion boxes under simulated rainfall.
     通过自制土壤冲蚀槽,并进行人工模拟降雨试验,研究了稻秆编织地表覆盖物对坡地土壤侵蚀和小麦产量的影响。
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  “土壤冲蚀”译为未确定词的双语例句
     reduces 53% on the 25° slope;
     坡度25°之实验土壤冲蚀量减少53%;
短句来源
     reduces 53% on the 35° slope;
     坡度35°之实验土壤冲蚀量减少53%;
短句来源
     reduces 51% on the 45° slope.
     坡度45°之实验土壤冲蚀量减少51%。
短句来源
     In addition, results of plot runoff studies also proved that both soil losses and peak flow can be reduced significantly for slopeland covered with Paspalum notatum Flugge .
     40多年径流小区试验结果表明,百喜草对土壤冲蚀控制效果良好,降低泥砂的功效极为显着,亦能有限度降低洪峰流量,利于防洪。
短句来源
     The results illustrated that the landscape ecological factor such as patch shape factor,and Shannon evenness factor that have significant canonical correlation with water qualities and erosion of the study area.
     景观多样性均一度因子,也能显着地影响到与水库淤积量、冲蚀深度有关之集水区土壤冲蚀因子。
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  相似匹配句对
     Investigation on the co-relations between forest and flood /soil erosion
     森林与洪水及土壤冲蚀相关性研究
短句来源
     And thus function could not be ignored in the soil water and salt movement and redistribution in saline grassland.
     土壤含水.
短句来源
     soil productivity;
     土壤生产力;
短句来源
     reduces 51% on the 45° slope.
     坡度45°之实验土壤冲蚀量减少51%。
短句来源
     >Erosion of M aterials
     材料的冲蚀问题
短句来源
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  soil erosion
In addition, biodiversity is a product of evolutionary history, and soil erosion is a key factor controlling the evolution of modern environment on the surface of the Earth.
      
A group of scientists conducted a comprehensive investigation on ecological safety and water and soil erosion in the Northwest Loess Plateau, Northwest China.
      
They play a crucial role in preventing soil erosion and conserving large amounts of water thereby regulating the water budget of local ecosystems.
      
The response of springtails to weakly expressed sheet erosion of chernozem proved to be insufficient for using them as bioindicators of the initial stages of soil erosion.
      
Several additional indices of the processes of soil erosion and sediment accumulation on the soil surface (soil aggradation) are suggested.
      
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A tank experiment to study the rainfall characteristics,degree of slope and kinds of crops in relation to erosion of the Szechuan purple brown soil was carried out on the experimental farm of the University of Nanking in Chengtu during the period from 1941 to 1945 inclusive.The text consists of the results,of four years only,that of the first year being used for reference.

本试验就成都南郊金陵大学农场利用箱具装置以求降雨,坡度及作物种类对于四川紫棕土冲蚀之关系,试验自1941年须始至1945年年底为止,本报告包括1942至1945年四年记录;最初一年记录仅供参考未列入计算。试验中之箱具係木制,长1.8公尺,宽0.35公尺,深0.33公尺,共四具,分别置于5%,10%,20%及30%之四种坡度上,内盛四川红色盆地中之一种紫棕色粘土。降雨之时,每廿小时测定雨量,逕流及土壤冲矢量各一次,试验中192及1943两年行播芝蔴代表茎葉稀疏之作物,1944及1945年密播大豆代表茎菜密茂之作物。四年结果中之要点如下:(i)本试验四年中成都年降水量总平均为959.9公厘,最少年为689.9公厘而最多年为489.8公厘,本试验芝蔴年度平均降水量为734.0公厘,而大豆年度平均降水量为1185.8公厘。(ii)成都降雨烈度可暂按廿四小时内雨量,分为0—3.9m.m.,4—7.9m.m.,8—11.9m.m.,12—23.9m.m.,24—17.9m.m.,4(?)—95.6m.m.,96—191.9m.m.,等七级,四年中廿四小时内最多雨量可自84.2公厘至183.2公厘不等,此项烈雨可降于六月初...

本试验就成都南郊金陵大学农场利用箱具装置以求降雨,坡度及作物种类对于四川紫棕土冲蚀之关系,试验自1941年须始至1945年年底为止,本报告包括1942至1945年四年记录;最初一年记录仅供参考未列入计算。试验中之箱具係木制,长1.8公尺,宽0.35公尺,深0.33公尺,共四具,分别置于5%,10%,20%及30%之四种坡度上,内盛四川红色盆地中之一种紫棕色粘土。降雨之时,每廿小时测定雨量,逕流及土壤冲矢量各一次,试验中192及1943两年行播芝蔴代表茎葉稀疏之作物,1944及1945年密播大豆代表茎菜密茂之作物。四年结果中之要点如下:(i)本试验四年中成都年降水量总平均为959.9公厘,最少年为689.9公厘而最多年为489.8公厘,本试验芝蔴年度平均降水量为734.0公厘,而大豆年度平均降水量为1185.8公厘。(ii)成都降雨烈度可暂按廿四小时内雨量,分为0—3.9m.m.,4—7.9m.m.,8—11.9m.m.,12—23.9m.m.,24—17.9m.m.,4(?)—95.6m.m.,96—191.9m.m.,等七级,四年中廿四小时内最多雨量可自84.2公厘至183.2公厘不等,此项烈雨可降于六月初至八月底之间,廿四小时内大于24公厘之雨日可自七日至十七日不等。(iii)芝蔴年度年降水量虽较大豆年度为低,但逕流占年雨量百分数,依坡度顺序,则前者各为16.95%,19.23%,25.71%及27.66%而后者各为3.96%,9.06%,9.63%及10.62%。(iv)四年中逕流量之实际数值,依坡度顺序,芝蔴年度各为129.11公厘,143.79公厘,193.54公厘及216.64公厘,而后者各为53.37公厘,120.59公厘,121.60公厘及135.07公厘。逕流逐月分布隨雨量分佈而变异,惟大豆作物有使逕流分佈百分数,向各月分散之趋势。又芝蔴年度七月份或八月份之逕流量可占年逕流量70%以上。(v)逕流之大部由于廿四小时内大于24公厘之雨量所发生,各坡度上大于24公厘之烈度等级中,在芝蔴年度,其分佈百分数之和幾全人於80%,而在大豆年度,其分佈百分数之和,自约38%至90%以上不等。芝蔴年度逕流量之实际数值较大豆年度为大,但逕流量隨坡度增加之比率则芝蔴年度较大豆年度为小。(vi)土壤冲失量之实际数值,依坡度顺序,芝蔴年度各为每市亩773.91市斤,832.5市斤,2004.93市斤及2822.62市斤,而大豆年度各为每市亩270.02市斤,370.50市斤,666.53市斤及762.95市斤,大豆年度中雨量特別丰沛之年,大豆护土力在大坡度上(坡度30%)更为显盖。(vii)芝蔴年度月雨量对于土壤冲矢量之影响大于对于逕流量之影响,月雨量增多,使同月土壤冲失量增加之百分数较使同月逕流量增加之百分数为大,大豆年度则反是。芝蔴年度土壤冲失量之实际数值较大豆年度为大,目土壤冲失量隨坡度增加之比率,芝蔴年度亦较大豆年度为大。(viii)据本试验情形,某一日之前五日内如降落巨雨,则该日急雨可发生甚大量之逕流及土壤冲失,芝蔴年度此种情形甚显,但大豆年度则不显。(ix)大豆作物之护土力,由于宽阔平向之叶面及密茂之莖叶可遮蔽地面以防雨滴之打击,而落叶护土亦可使地面流水澄清而维持土壤之渗漏速率,又麦稈覆盖地面之护土效力甚宏,如于大豆莖叶向未郁閉之前用之,可防初夏急雨之冲蚀。(X)自成都向南至仁寿县一带之紫棕土斤陵地,可行玉米与大豆等高行栽之间作制,惟大豆宜密植以收护土之效,若能于生长前期,地面覆盖麦稈,则土壤冲蚀之害可大减。

Headcutting was noted as being a significant contributor to the soil erosion.Esti-mate of the migration of headcutting and erosion are criterion to assess the soil erosion.This research of laboratory measurements of headcutting migration on uniform sand.The resulting equation for headcutting model in1 /2 power of tis favorably compared with experimental data.

溯源冲刷在土壤冲刷过程常常扮演着重要的角色 ,为加强推估土壤冲蚀量之精确度 ,对于溯源速度与溯源冲刷量之估算即为主要课题。本研究对于均匀砂以固定流量下进行溯源冲刷实验分析 ,由溯源冲刷形态与演变的观测 ,进而分析溯源速度和溯源冲刷量。结果显示 ,溯源冲刷速度与冲刷量和时间呈 1/ 2指数关系 ,由此结果将可供水利工程规划设计参考用。

The soil washing event for Jingxi natural gas transmission pipeline has been analyzed. On the basis of the analytical results, an effective hydrotechnological protection method, including shore protection, bank protection and radial flow dredging,is given in detail. The authors consider that this method not only ensures the safe operation for the pipeline, but also protects the local environment and restore the land to till , which can speed up the pipeline construction and obtain economic profits. In the light...

The soil washing event for Jingxi natural gas transmission pipeline has been analyzed. On the basis of the analytical results, an effective hydrotechnological protection method, including shore protection, bank protection and radial flow dredging,is given in detail. The authors consider that this method not only ensures the safe operation for the pipeline, but also protects the local environment and restore the land to till , which can speed up the pipeline construction and obtain economic profits. In the light of some issues existed in the hydrotechnological protection,the authors provide several suggestions and measures.

通过对靖西天然气管道土壤冲蚀状况的分析,提出采用护岸、护坡和疏导径流等水工保护方法,不仅可保证管道安全运营,而且还可以维护当地环境、利于土地复耕,加快管道建设和提高效益。针对管道水工保护存在的问题,提出了具体的建议和措施。

 
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