loss by erosion 中文意思是什麼

loss by erosion 解釋
層序的侵蝕的間斷
  • loss : n. 1. 喪失;丟失,遺失。2. 減損,損失,虧損(額);損耗;減少,下降。3. 失敗;輸掉。4. 錯過;浪費。5. 損毀;【軍事】傷亡;〈pl. 〉 傷亡及被俘人數。
  • by : adv 1 在側,在旁,在附近。2 (擱)在一邊,(放)到旁邊,(存)在一旁;收著。3 (由旁邊)經過,過...
  • erosion : n. 1. 腐蝕,侵蝕(作用)。2. 【醫學】糜爛,齒質腐損。
  1. Nitrogen loss of loess soil as affected by nh4no3 applying in process of water erosion

    水蝕條件下硝酸銨施用對黃綿土氮素流失的影響
  2. Loss of topsoil by erosion and a reduction in soil fertility by not replacing nutrients, turn a renewable resource into a non - renewable one

    侵蝕造成的表土流失以及不補充養分造成的土壤肥力下降使一種可再生資源變成不可再生的資源。
  3. Experiments of artificial rainfall showed that sediment is the main body of total nutrient loss and runoff is the main body of available nutrient loss when erosion is slight, but sediment become the main body of total and available nutrient synchronously while erosion is intense. concentration of nutrient in runoff is most likely to be affected by concentration in topsoil. the higher concentration in topsoil is, the more possible nutrient loss by runoff is

    人工降雨實驗結果表明,在降雨強度和侵蝕強度不大時,侵蝕泥沙是全量養分流失的主體,地表徑流則是速效養分流失的主體;而當在降雨強度和侵蝕強度極為劇烈時,侵蝕泥沙成為全量養分和速效養分二者流失的主要載體;地表徑流中的養分含量很大程度上受土壤中養分含量的影響,土壤中養分含量越高,養分徑流流失的可能性越大。
  4. The paper establishes a mathematical model for calculating soil erosion modulus and a method for calculating new soil loss by using annual rainfall data and individual rainfall data, taking the outcomes of tests and study of natural rainfall, artificial rainfall and washout as a basis, rainfall erosion force, soil resistance to erosion and ground slope as main factors and combining with the study on new soil loss in typical regional development and construction

    摘要以天然降雨、人工降雨、放水沖刷等試驗研究成果為基礎,結合典型區域開發建設新增土壤流失分析的研究成果,以降雨侵蝕力、土壤抗沖性和地面坡度為主要因子,建立了用年降雨資料和次降雨資料計算土壤侵蝕模數的數學模型和開發建設新增土壤流失量的計算方法。
  5. In this thesis, with eight events of artificial water - washing test on five different slope gradients, factors affecting soil potassium loss by erosion, such as slope gradient, rain intensity, vegetation coverage, and amount of rainfall are discussed

    本文通過在5個不同坡度徑流小區進行的8次人工模擬沖刷試驗,探討了坡度、放水沖刷強度、植被和降雨量等因素對土壤鉀素徑流流失的影響。
  6. The question that soil erosion causes loss of soil nutrient and leads to degradation of land productivity has received many attentions. but the research on soil potassium loss by erosion is under study

    土壤侵蝕引起土壤養分徑流流失,導致土壤生產力降低這一問題已引起人們普遍關注,但有關土壤鉀素徑流流失研究方面的報道不多。
  7. The results can be used to understand dynamics of soil nutrient transfer in slope land, provide essential for establishing model of soil potassium loss by erosion, recommend rational fertilization application, and increase land productivity

    研究成果對深化坡面土壤養分遷移動力學研究有一定的理論意義,可為建立土壤坡面鉀素徑流流失模型提供基礎資料,並對坡地合理施肥、提高土地生產力有一定的指導作用。
  8. A quantitative method of rs for monitoring soil losses based on gis and the formula and algorithm of each model factor about the revised universal soil loss equation ( rusle ) are described in this paper, the spatial distribution law of soil erosion is discussed and the amount of soil loss of the small watershed is predicted running the model of rusle by the support of gis

    摘要以三峽庫區典型小流域為研究區域,通過遙感和野外調查進行信息採集,建立了流域環境數據庫;在gis支持下,根據修正通用土壤流失方程( rusle )模型對數據庫實施運算操作,探討了流域內土壤侵蝕強度的空間分佈規律,並估算了小流域水土流失量。
  9. Results were as follows : surface erosion occurs in vast areas, but in low intensions ; gravitation erosion was caused by rainstorm, and always happened in steep slope with gradient degree more than 35 ; water loss is the most important form in low mountainous areas

    結果表明:坡面面蝕發生范圍廣,程度重,但強度不大;重力侵蝕的誘因是暴雨,多發生在坡度大於35 %的陡坡坡面;水的流失是低山丘陵區坡面水土流失的重要形式。
  10. Standard guide for selection of methods for estimating soil loss by erosion

    由於腐蝕引起的土壤損耗的評價方法的選擇的標準指南
分享友人