退化土 的英文怎麼說

中文拼音 [tuìhuàtǔ]
退化土 英文
degraded soil
  • 退 : 動詞1 （向後移動） retreat; draw back; move back 2 （使向後移動） cause to move back; remove; wit...
  • 退化 : become vestigial; degenerate; deteriorate; retrograde; devolution; retrogradation; retrogression;...
  1. After analyzing purple soil sampled from neijiang, leshan ofsichuan provinec and yuanmou of yunnan province, the contrast results of microbe quantity feature between surface and subsurface purple soil were obtained as follows. the content of soil organic matter, total and available nitrogen, phosphorous and potassium of surface was higher than subsurface, not relating to the type of purple soil and soil utilization way. the quantity of microbe _ bacteria, actinomyces and mould in surface purple soil was higher than subsurface, which indicated that the organic matter and airy condition in surface soil was more suitable for microbes growing. there was the same tendency in profile change of microbe quantity in purple soil located in temperate _ humid climate of sichuan basin in contrast with dry _ hot climate of yuanmou, yunnan. the nutrient situation of purple soil in sichuan basin shown that state of surface was better than subsurface, while in yuanmou of yunnan the state was on the contrary due to the degradation of surface soil

    實驗室對四川內江、樂山和雲南元謀不同類型紫色土表層和亞表層微生物數量特性的比較分析表明：土壤有機質、氮磷鉀全量及其速效量均表現為表層高於亞表層，與紫色土類型和利用方式無關；三大類土壤微生物細菌、放線菌和黴菌數量均表現出表層高於亞表層，表明紫色土表層的有機質和通氣性優于亞表層，適宜於這三大類微生物生長；溫濕氣候條件下的四川盆地和乾熱氣候條件下的雲南元謀其紫色土微生物數量的剖面變化具有相同的趨勢，唯土壤營養狀況在四川盆地紫色土中表現為表層優于亞表層，而在雲南元謀紫色土中由於表層土壤的退化作用表現為亞表層優于表層的相反情況。
  2. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山（自然保護區） 、黔江武陵山（國家重點退耕還林示範縣，森林覆蓋率50以上）和北碚中梁山（遭人為破壞嚴重）典型巖溶區為對象，選擇了幾種重要的利用方式，包括林地、果園、耕地、棄耕地和灌草坡，採用野外巖溶生態調查和室內試驗測量分析相結合的方法，以不同土地利用方式巖溶土壤肥力為重點，對不同土地利用方式土壤肥力特徵進行量化分析，找出巖溶土壤肥力差異的主要方面及其根本原因，論文主要從土壤剖面物理退化指標（有效土層厚度、有機質層厚度、質地、團聚體、水分含量等） ，化學肥力退化指標（有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等） ，樣地土壤微生物指標（細菌、真菌、放線菌數量及總量）以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究，為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  3. 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。
  4. With the development of human society, because of the lack of sustainable utilization consciousness, and the eager for quick success and instant benefit, the black earth suffered excessive cultivation and management, causing the reduction of its recycled ability, decrease in organic content, porosity ratio, fertility dropped and the properties of water retaining and water retention, which make the black soil harden and degenerate seriously

    但是隨著人類社會的發展，在缺乏保護和可持續利用意識、急功近利思想影響下，黑土遭到過度墾殖和掠奪式經營，人類對其活動范圍遠遠超過了其再生能力，導致有機質含量減少，肥力下降，孔隙比減小，保水持水能力降低，土壤板結，黑土嚴重退化。
  5. On the basis of the government ' s policy of revitalizing the northeast old industrial base, preventing black earth from degeneration and strengthening protection of black soil in china, according to analysis of the distribution of black soil and the present research of black earth degeneration, the author summarized the main degradation type of black earth, revealed main reasons for its degradation, put forward some measures to prevent black earth from degrading and protecting black earth in addition, the author put forward the new and further direction to study the degradation of black earth on the basis of the existing study, and hope to play a role of inducing purpose in assuring sustainable utilization of black earth resource and furthering study

    在國家振興東北老工業基地和防止黑土退化及加強黑土保護之際，通過對黑土分佈狀況和黑土退化研究現狀的分析，總結出黑土退化方式，揭示了其退化的主要原因，提出了防止黑土地退化和保護黑土地的措施，在現有研究的基礎上提出黑土退化研究的新方向，希望能為黑土資源可持續利用和進一步研究起到拋磚引玉的作用。
  6. The land degradation challenge. brant kirychuk

    防治土地退化戰略
  7. Your native teachers are mere propagators of degeneracy.

    你們的那些土裡土氣的教師就不過是退化了的傳播者而已。
  8. Soil is the base of agriculture production, the key measure to prevent water and soil loss is to conserve soil, but most soil nutrient is lost with the sediment loss, and serious water and soil loss make the soil thickness degrease, the soil nutrient be deficient and lean, the land quality degrade and the yield of plant decrease, all this results is going to threaten the people ' s transplanting and the agriculture sustainable development, and restrict the economy development of three gorges regions

    同時，土壤是農業生產的根本，治理水土流失的關鍵是要保住土壤，而土壤養分絕大部分是隨著泥沙流失的，嚴重的水土流失造成土層淺簿、養分貧瘠，土地質量退化，產量下降，對三峽庫區移民工作和農業可持續發展造成嚴重威脅，制約三峽庫區經濟發展。因此進行三峽庫區坡耕地土壤侵蝕機理研究，探索減輕坡耕地土壤流失的方法措施，具有全局性的重大意義。
  9. The program will have to eradicate the agricultural misery in the north amazon region and northeast arid region, expect that the culture of short cycle is substituted by permanent cultures and try to construct a energy forest with native oil been plants in the amazon region where about 200 million hectares of deforested lands are degrading

    他介紹了巴西的生物柴油計劃，包括扭轉巴西北部亞馬遜地區和東北部乾旱地區落後的農業，以可持續的生產方式替代短期的生產方式，並提到巴西亞馬遜地區有約2億公頃被砍伐后正在退化，有可能在這些土地上種植當地的產油作物，形成一個產能可以供應整個歐盟生物燃油需求的能源作物林。
  10. The results are summarized below : 1 ) study on soil science indicates that soil granular structure is the focus adjuster for soil fertility and it affects the space, water - grasp, aeration and anti - erosion of soil. and the percentage of aggregate is one of the key index that decides the speed and extent of soil erosion, hardening and degeneration because the soil degeneration will first lead to the disappearance of crumb - structure. so it is very important that the physical course and character of soil in different land use pattern are realized

    現將主要結果摘要如下： l 、士壤學研究表明，團粒結構是土壤肥力的中心調節器，影響著土壤的空隙性、持水性、通透性和抗蝕性；任何土壤的退化首先將表現出團粒結構的消失；團聚體百分比是決定土壤侵蝕、板結等物理過程速度和幅度的關鍵指標之一，了解不同土地利用和土壤管理方式的物理過程和性質相當重要。
  11. In typical watershed, quxi watershed, the result of external forcing, submerge and migrant, is the resource change of slope cultivated lands, economical forest, vegetation, water, habitant etc. of the ecosystem, and the changes of demand for food supplies, energy resource and education

    移民區典型小流域? ?曲溪小流域，受淹沒、移民2個驅動力的作用，耕地、經濟林、植被、水、棲息地等資源發生了顯著變化，系統的糧食、能源、教育需求也隨之而變，在內在反饋機制的作用下，導致系統輸出為水土流失加劇、生物多樣性受到破壞、土地退化嚴重等。
  12. Based on the project imbrued especially by hunan province construction office, the study of this paper includes four parts as follows : the first part does some simplify on the characters of the rc material under high temperature. after transferring the rc section under fire to equivalent one at normal temperature based on the stiffness and intensity equivalent, the rc members under fire can be calculated as ones at normal temperature

    主要研究內容如下: （ 1 ）基於剛度等效或強度等效原則，根據截面各點材料力學性能的退化，把受火鋼筋混凝土非均勻截面等效成常溫下的鋼筋混凝土截面，使得高溫下構件剛度和強度的計算可按常溫下的計算理論進行。
  13. The classified result show that the grass land of this region retrogressed badly in 2000 : the appreciable retrogression proportion of the grass land is 15 %, the moderate retrogression proportion is 15 % ; the serious retrogression proportion is 8 % ; the area of desert is 2755. 27km2 and the proportion is 19 %, which had increased about 88. 9 % in eight years

    植被覆蓋度分類結果顯示， 2000年該地區草地退化比較嚴重： 21草地輕度退化， 15的草地中度退化， 8的草地重度退化，土地沙化面積為2755 . 27km ~ 2 ，比1992年增加了88 . 9 。
  14. In the paper, a series of the field investigation, laboratory culture and pot experiments were conducted, to study microbial eco - characteristic and restoration in relation to soil - plant system of red soils reclaimed - mine. the main results were summarized as below : 1. soil microbes eco - characteristic in lipu copper mining reclaimed soil - endurance plant system were studied comparatively, zhe jiang province

    本論文採用野外礦區調查、實驗室培養和溫室盆栽試驗相結合的方法，對我國南方紅壤礦區土壤的微生物生態特徵及其穩定性恢復進行了研究，以期為礦區重金屬污染及退化土壤微生物生態系統的生物修復及土壤復墾工程提供理論技術依據。
  15. The field of taiyangmiao nuresry of trees and grass is an important ecology protecting area in inner monogolia. all of projects in the field, including the water and soil conservation trees, the windbreat of returning farmland to treeland and grassland, are playing a very important role in preventing and decreasing vegetation deterioration, land desertification and sandstorm weather

    星月太陽廟林木種苗培育基地和農業種植基地是內蒙古重要的生態功能保護區，基地內的水土保持林、防風固沙林、速生豐產林、退耕還林還草等林草工程，對防止植被退化、土地沙化、減緩沙塵天氣的發生起到不可忽視的作用。
  16. Recently, more attention has been given to researches on mechanisms of the formation and evolution, and spatio - temporal variation of soil degradation under highly - intensified agriculture, and countermeasures for its control and rehabilitation of degraded soil

    目前，應當高度重視集約農業利用下土壤退化的形成與演變機理、時空分異規律、以及土壤退化的控制和退化土壤的恢復重建措施的研究。
  17. Due to the influence of climate drought and human activities, the ecological environment of qinghai province is in an increasingly grave condition, namely, climate abnormal events occurring frequently, grassland degenerating, ground sanding, glacier shrinking, water level of lakes descending and river runoff decreasing, and so on. in the basis of extensively collecting and analyzing the data of qinghai ecological environmental factors such as climate, water resource and grassland resource etc., the further basic research is performed on the ecological environment characters of main climate factors, surface runoff, water resource, lcc and their correlation to coordinate with the basic, strategic and precursory research for the development of china west part and provide the scientific foundation for corresponding development both ecological environment and social economy, and persistent utilization of natural environment resource

    本研究針對當前在氣候乾旱化和人類活動的共同影響下青海省生態環境中氣候異常事件即氣象災害頻繁發生、草場退化、土地沙化、冰川萎縮、湖泊水位下降和河流流量減少等生態環境退化現象日益嚴重的實際，在廣泛收集和整理青海省氣候、水資源、草地資源等生態環境因子基礎資料的基礎上，對青海的主要氣候要素、地表徑流、水資源、植被的演替及其相互間的關系等主要生態環境變化特徵進行了基礎性的研究。
  18. Finally, this paper makes an appraise and policy recommendations to the great projects such as shift grain for forest and green project, shelter forest of three northern areas of china project, and beijing, tianjin sand source cure project, etc

    最後本文對我國退化土地治理比較大的工程項目：退耕還林還草工程、三北防護林工程、和京、津風沙源治理工程等作出評價和政策建議。
  19. After some numerical analyses, the effects of dilatancy, constitutive relation, rigidity degradation, thickness, properties, continuity conditions at interfaces are analyzed. ( 4 ) an introduction of the background that makes us present this study is made

    通過一系列數值計算，分析了剪脹、本構關系、剛度退化、土層厚度、孔隙率、邊界條件等對液化的影響，編制了計算程序。
  20. With the development of agriculture and industry and the enlargement of man ' s activity, the demand of water supply has increased in the region over the past decades. in the backward areas along the heihe river, there are a lot of ecological environmental problems such as lake dried up, sustainable, lowering of ground water level, water pollution, soil salinization and desertification, degradation of natural oasis and grassland, as well as sand storm

    近幾十年來，由於工農業的發展和人類活動的擴大，黑河流域中下游用水量的增加，黑河下游出現了嚴重的缺水現象，由此導致了一系列諸如河流湖泊乾枯、地下水水位持續下降、水質惡化、植被退化、土壤鹽堿化、土地風蝕化等環境問題。包氣帶水分、鹽份的分佈和運移對地表植被生長有著重要的影響。
分享友人
分享到 Line

分享到臉書