erosion soil 中文意思是什麼

erosion soil 解釋
侵蝕土壤
  • erosion : n. 1. 腐蝕，侵蝕（作用）。2. 【醫學】糜爛，齒質腐損。
  • soil : n 1 泥土，土壤；土質。2 土地，國土。3 滋生地，溫床。4 農業生活，務農。n 1 臟東西，污物，污穢，污...
  1. So these karst series problems are lowness ability of making soils, distributing odds of surface water and groundwater, leakiness of fountain, alkalescence of circumstance, lowness of bio - diversity, rapidness converse succession of vegetation and fragility of soil character and entironment. and karst region produces many problems, e. g. rock desert, soil erosion and degeneration because of artificial influence and destruction

    巖溶空間介質具有地上地下雙層結構，可溶巖造壤能力低，巖溶水空間分佈不均、地表地下水關系密切、水源易漏失，偏堿性環境、生物資源集聚程度低，植被逆向演替快、順向演替難，巖溶地質與生態環境十分脆弱，受到人為因素的影響和破壞，極易產生石漠化、土壤侵蝕與退化等一系列問題。
  2. Research on the measure to water and soil erosion prevention in black earth area

    黑土地區防治水土流失的對策研究
  3. Quantitative model to estimate soil erosion rates using caesium - 137 for cultivated soil

    示蹤農業耕作土壤侵蝕速率的定量模型
  4. The discussion on models for estimating soil erosion rates from caesium - 137 measurements on cultivated land

    示蹤農耕地土壤侵蝕速率模型的比較研究
  5. In terms of soil erosion control, the six models were in the order of desertation for natural restoration > pasture > chestnut plus honeysuckle > bamboo > cajan > common zenia, whereas in terms of the economic benefit, the order would be pasture > common zenia > bamboo > chestnut plus honeysuckle > cajan > desertation

    對水土保持最好的是自然拋荒，其次是牧草、板栗+金銀花、毛竹和木豆，最差的是任豆；經濟效益最好的是牧草，其次是任豆、毛竹、板栗+金銀花和木豆，最差是自然拋荒。
  6. In this paper, two major types, the natural vegetation and crop vegetation in luota are studied. we can gain the different distributive area by remote sensing technology, in accordance with conifer forest, broadleaf forest, thick shrub forest, shrub forest, herbs shrub forest, herbs naked rock and crop vegetation. the valuation of the output of standing trees, water conserbancy, soil conserbation to control erosion and purify the air is the main basis which is used to value the functions of the forest ecosystem of the conifer forest and broadleaf forest of luotathe result reveal that the total ecological function value of the forest which area is 1388. 8 hm2 is estimated up to 18. 36 million yuan per annum. the synthetic valuation system of luota vegetation is put forward by the valuation of per hm2 in evergreen - deciduous forest, conifer forest, conifer and broadleaf forest, broadleaf forest, scatteredtree - shrub forest, coppice - shrub forest, herbs shrub forest, econamic crop and cereal crops. the plant resources is valued according to the ornamental and green plant. lumber trees and medical plant. ornamental plant includes hosta plantaginea. lilium brownii van viridulum, spiraea cantomiensis and so on. lumber tuees includes zzzelkova schneideriana, emmenopterys henryi, catalpa fargesii and so on

    本文把洛塔現存植被分為自然植被與栽培植被兩大類進行研究，通過遙感技術對現存植被按針葉林、闊葉林、密灌、灌叢、草灌、荒草裸巖、農作物植被等類型進行分佈面積的統計，在此基礎上，以林產品價值、涵養水源價值、保護土壤價值和凈化空氣價值作為估算的主要參考依據，對已成林的針葉林與闊葉林進行森林生態系統的價值估算，得出面積為1388 . 8hm ~ 2的針葉闊葉林的森林生態價值為1836 . 37萬元，參照這一生態價值量，把洛塔植被按常綠落葉林、針葉林、針闊混交林、闊葉林、疏林?灌叢、矮灌叢、荒草灌叢、經濟作物和糧食作物，以每hm ~ 2的價值量提出了洛塔植被的綜合價值體系。
  7. Application of radioactive fallout cesium - 137 for soil erosion measurement

    在土壤侵蝕研究中的應用
  8. This voluntary code addresses issues such as reduced pesticide use, water and energy conservation, waste reduction and recycling, controlling of erosion, the use of “ good bugs ” in the vineyard to kill the “ bad bugs ”, creating and maintaining a habitat for raptors and other wildlife around the vineyards, planting cover crops such as mustard grass and clover to replenish the soil with nutrients, improved farm worker housing, and other measures for making high quality wines in a responsible manner

    這個自主的規定公布了如減少殺蟲劑的使用，水和能量守恆，損耗的減少和再生，腐蝕的控制，利用葡萄園里有益蟲殺死有害蟲，創造和保護在葡萄園附近的鳥類和其他野生動物的生存環境，種植覆蓋地表的植被如芥菜和三葉草補充土壤的養份，改善農場工人的住房，和其他能提高葡萄酒質量的有效的方法。
  9. Sichuan is one of the agricultural province, locates in the area between the continental climate and oceanic climate, the distribution of precipitation is always disproportional due to the influence of atmosphere circumfluence, the existence of drought and floodwater plus water pollution have produced huge menace to agriculture, water resources utilization, soil erosion and even the life and properties of human being

    解決水資源的諸多問題，是擺在全黨、全社會和全國人民面前一項刻不容緩的重大戰略任務。四川作為貧水國的一個農業大省，由於地處海洋性氣候與大陸性氣候交接地帶，受大氣環流影響，降水時空分佈不均，水旱災害極為頻繁，尤其是乾旱對農業生產的威脅最大。
  10. Soil erosion is a main contributor to water pollution.

    土壤侵蝕是水污染的一個主要根源。
  11. Climate and evaluation of crystallizable erosion of concrete by sulfates in water and soil

    土中硫酸鹽對混凝土結晶腐蝕的氣候與評價
  12. Influence of water quality to the dispersive soil erosion failure

    水質對分散性粘土沖蝕破壞的影響
  13. As a southwesten autonomous county with national minority and typical area, the nature condition in youyang is bad and the economy falls behind and the soil erosion is serious. furthermore, the population increases quickly which results to steep slope farming and excessively opening up, so eco - environment accelerates rapidly. in the whole, youyang is an epitome of the area with soil and water erasion in western china

    酉陽作為西南少數民族自治縣，區內自然條件差、經濟落後、水土流失嚴重，屬典型的水土流失型生態脆弱區，加之該區生產手段落後、經濟結構單一、而人口增長過快，導致人地矛盾尖銳，陡坡耕作、過度開墾，使生態環境加速惡化，因此，酉陽自治縣土地資源可持續利用可以作為西部水土流失型生態脆弱區的一個縮影。
  14. Drought and soil erosion had long been a major problem.

    乾旱和水土流失一直是個老大難問題。
  15. Relationship between erosion soil enzymes and nutrients

    侵蝕土壤酶活性與土壤養分的關系
  16. The main result is as follows : 1. after erosion, the content of organic matter, total nitrogen and the available nitrogen in the sediment is more than that of soil sample. namely the enrichment phenomenon of organic matter, total nitrogen and the available nitrogen in slope cultivated land erosion soil is obvious

    黃?土受侵蝕后，泥沙樣中有機質、全氮和堿解氮的含量都高於雨前採集的坡地表層土樣，即黃?土坡耕地水土流失中有機質、全氮和堿解氮流失的「富集」現象明顯，而全磷和速效磷卻無明顯的「富集」現象。
  17. Applied the principle and method of soil erosion, soil erosion mechanics, soil science, mathematical statistics, hydrology, and soil and water conservation method, we evaluate the energy formula of domestic and international in the loes s plateau used. analyzed the research district soil erosion energy characteristic

    運用土壤侵蝕學、土壤侵蝕力學、土壤學、數理統計學、水文學、水保法等原理和方法，對國內外能量計算公式在黃土高原的應用進行了評價，並分析了研究區土壤侵蝕能量特徵。
  18. Absolute amounts of soil erosion is not large for the falling gradient in black soil region, but the nutrient is high in erosion soil, the nutrient of erosion soil and runoff is high, which leads to soil fertility degeneration, while n and p nutrient pour into water with surface runoff, it leads to water nutrient enrichment and pollution, and becomes one of confined factors of water nutrient enrichment

    吉林農業大學碩士學位論文黑土地表徑流氮磷養分特徵及其與肥力退化的關系由於黑土耕作區坡度平緩，土壤侵蝕的絕對量並不很大，但由於土壤中攜帶的養分高，養分流失的較多，流失的養分將引起肥力的退化，而且氮磷等養分隨地表徑流流出匯入各種水體，引起水體富營養化和污染，成為水體富營養化的限制因子。
  19. The largest and perhaps only real threat to sustainable agriculture comes from unchecked population growth and the resulting downstream effects such as changes in the climate, soil erosion, soil salinization, and soil nutrient depletion

    持續農業所面臨的最嚴重的威脅是無限制的人口增長以及隨之帶來的氣候變化、土壤侵蝕、土壤鹽漬化以及養分耗竭。
  20. Situated in northwest china, ningxia has the typical eco - environmental problems of west china such as water and soil erosion, soil salinization, land desertification, and so on, so that there is a sharp contradiction between the spatial development of urban system and the eco - environmental conservancy

    寧夏地處我國西北部，具有西部非常突出的生態環境問題：水土流失、土地沙化、土壤鹽漬化，因此城鎮體系的空間發展與生態環境保護的矛盾極為突出。
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