soil development 中文意思是什麼

soil development 解釋
土壤發育
  • 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...
  • development : n. 1. 發展,發達;進化。2. 展開;擴充;開發。3. 發達物,新事物,發展階段。4. 【生物學】發育(史);【軍,數】展開;【攝影】顯影,顯像;【音樂】展開(部);研製,研製成果。
  1. The development of earthworm ecology was constrained by the complex feature of soil, the scarce knowledge of natural history and biogeography of earthworms, and the low efficiency of approaches in field manipulation of earthworm community

    土壤本身的復雜性,蚯蚓自然歷史和生物地理學知識的缺乏,野外控制蚯蚓群落方法的滯后等都限制了蚯蚓生態學的發展。
  2. 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。
  3. Dynamic change of related biochemical substance in leaf of burley tobacco grown in the soil with various n, p, k fertilizer during growth and development

    鉀營養條件下白肋煙生長發育過程中有關化學物質的變化動態
  4. 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。
  5. Then, main projects and synthetic techniques of ecological agriculture construction are discussed. the results indicate that main projects include fertile soil project, water conservancy, forestation and virescence project, agricultural structure adjustment project, agriculture industrialization project, integrated use of agriculture rejectamenta project, high quality and innoxious farm produce project, livestock breeding project, sight - seeing agriculture project, etc. the suited techniques include ecology location scheme technique, agriculture rejectamenta use technique, energy source regeneration technique, sewage biologic depuration technique, innoxious farm produce technique, soil fertility increase technique, ecological control technique of plant disease and insect pests, economizing water technique of dry farming, agriculture environment reconstruction technique, etc. lastly the study brings forward the countermeasure and advice of ecological agriculture development

    根據我國生態農業建設成功經驗和濟南市目前生態農業建設基礎,提出濟南市生態農業建設重點工程為沃土工程、農田水利工程、造林綠化工程、農業結構調整工程、農業產業化工程、農業廢棄物綜合利用工程、優質和無公害農產品工程、養殖工程、觀光農業工程等;生態農業建設的關鍵技術為生態位配置技術、農業廢棄物資源化綠色技術、能源再生技術、污水生物凈化利用技術、無公害農產品技術、地力持續培肥利用技術、農作物病蟲草害生態控制技術、旱作農業高效節水技術及農業生態環境綜合整治技術等。
  6. Soil caco3 eluviation and deposition process is the most important development and evolution process of soil, from parent material to mature soil in the loess plateau, arid and semiarid area

    土壤碳酸鈣( caco _ 3 )的淋溶淀積過程是黃土高原以及乾旱和半乾旱地區土壤形成發育的主要過程之一,也是地球化學過程的主要內容。
  7. Granite geomorphic development of granite and expedited soil erosion in hengshan mountain area

    衡山土壤加速侵蝕與花崗巖地貌發育問題研究
  8. The dissertation reviews the agriculture production history, analyzes the status quo, the change of river system, soil evolvement and the forming course of economic position, and discusses the precondition of the agricultural development of the hhh plain. the agricultural system database of the hhh plain is set up by using mapgis software

    總體上考察了黃淮海平原農業生產歷史、現狀形勢;淺析了黃淮海平原的水系變遷,土壤演變過程及其經濟區位條件的形成,初步探討了該平原農業發展的先決條件。
  9. Caco3 not only affects soil physical and chemical characteristics but also causes co2 change in the air, because caco3 is main components among the total pool of inorganic carbon of soil. this paper systematically summarized and analyzed general development characteristics of soil profile caco3 in loess hill gully area including source, content, forming - condition, distribution and illuviation - depth of caco3, which will have the most important significance for the further studies on global soil and climate change

    碳酸鈣在土壤剖面中淀積的深度和類型是黃土高原土壤發育的重要標志,鈣積層是黃土高原土壤發育環境的歷史信息庫,同時土壤碳酸鈣作為土壤無機碳庫重要組成,它通過溶蝕后再結晶與大氣co _ 2之間進行物質交流來影響全球氣候變化。
  10. With the quick development of expressway in the soft soil area, the settlement and deformation of sub - grade of expressway has become a very outstanding question. this paper establishes the corresponding formulas of sub - grade 3 - d ( three - dimension ) settlement on inartificial foundation, bagged sand - drains foundation and semi - rigidity piles foundation, and the calculation results from the formulas is compared with the observation results of settlement. it proves that the methods adopted by the paper are feasible

    本文擬根據馬鞍山?蕪湖高速公路軟土路基的沉降變形及其處理方法,對軟土路基的三維沉降計算和用袋裝砂井處理與粉噴樁半剛性樁處理時的沉降計算方法作一定的探討,同時與幾個路段的實際觀測資料分析比較,認為本文的沉降計算方法總體上是可行的。
  11. Along with development of mining in this region, abnormity of heavy - metal endogenetic geochemistry change to heavy - metal inchoative geochemistry, which lead to accumulation and diffusion of heavy metal in mine region of red soil and great red soil area, serious degradation of soil caused by heavy metal pollution, and mine ecological system destroy

    隨著有色金屬采礦業的發展,重金屬的內生地球化學異常轉化向表生地球化學異常。由此,使紅壤礦區土壤乃至大面積紅壤中重金屬積累擴散,造成土壤重金屬污染退化加劇,生態系統遭受嚴重破壞。
  12. 2 with the correlative analysis between the landuse structure and economic development, the main problems of landuse in youyang county are summarized as follows : ( l ) a large proportion of farmland are leanness, so the land quantity is bad ; ( 2 ) the forest vegetation is broken seriously, and the soil erosion is severe and the eco - environment is depravating ; ( 3 ) the number of land for water conservancy facilities is small ; ( 4 ) the proportion of town and transportation land is not accorded with landuse plan ; ( 5 ) land collocation is inconsequent ; ( 6 ) the land resources is plenty and a lot of land are not used but the land which can be opened up for farming

    2通過對酉陽縣土地利用現狀結構與經濟發展的相關分析,總結了酉陽縣土地利用存在的主要問題有以下幾點: ( 1 )中低產田比例大,土地質量差; ( 2 )森林植被破壞嚴重,水土流失嚴重,生態環境惡化; ( 3 )水利設施用地較少; ( 4 )城鎮和交通建設用地欠賬大( 5 )土地資源配置不合理; ( 6 )土地資源總量豐富,未利用地面積大,耕地后備資源不足。
  13. The excellent features and multifunctional traits of jerusalem artichoke are not only essential qualification for the development of herbivores, but also important to water and soil conservation and environmental protection

    菊芋的許多優良特性和多功能特點,不但是發展草食畜禽的必要條件,而且對水土保持、環境保護有重要作用。
  14. As the increase of domestic high - rise buildings, more and more deep foundation trench supporting constructions have come into existence. among the general geographical condition of the urban district in qingdao, most of regions, which mainly consist of strong de composed rocks, are in quite good condition. except for the sandy soil and oozy soil along sea sides. but the development of rock cracks and breaking zones and unstable lamprophyre still exist, so blasting is needed during constructions of foundation trench. blasting have bad influence on the stability of slopes. moreover. the slope - liding has happened for several times, so the engineering project of foundation trench attracts more attention of people

    隨著國內高層建築的發展,深基坑支護工程越來越多,綜合青島市區的地質狀況,除海邊有砂性土及淤泥軟土外,大部分地域巖土條件相對較好,多以強風化巖為主,但巖石裂隙發育,間或有斷裂帶和穩定性極差的煌斑巖穿插其中,基坑施工時需要爆破施工,對邊坡的穩定造成了不利影響,加之連續出現的幾次滑坡失穩事件,基坑支護工程越來越引起了各方面的重視。
  15. As a result of its high capability in interception of precipitation and enhanced evaporation of soil surface, the development of microbiotic crusts will more and more threaten the soil water condition which the artificial sand - fixing vegetation should rely on

    在1956年固沙區,原來的花棒+檸條+油蒿為主的人工系統向油蒿+霧冰藜+小畫眉草+隱花植物為主的半人工半天然系統的演變。
  16. With the enhancement of soil development degree, the difference in each physical and chemical characters are larger

    隨發育程度增強,表層厚度增加,各理化性質在剖面中差異增大。
  17. Geochemical implication of rare earth elements in process of soil development

    土壤發育過程中稀土元素的地球化學指示意義
  18. In this study, three typical high - resolution holocene soil profiles in the weihe valley were studied using particle - size analysis, measurement of magnetic susceptibility, total fe, toc, caco3, rare earth elements and others. the results provide new insights into pedogenic environmental evolution and human impact of cultivation on soil development in this climatically sensitive semiarid zone

    通過對各指標實驗結果及其成壤環境意義的分析,探討了全新世渭河流域成壤環境的演變以及土壤發育的特點;並藉助歷史文獻和環境考古的成果,分析了人類活動與成壤環境之間的相互作用及其人地關系演變的過程。
  19. The soil acidity and total capacity of nitrogen in guilin were higher than in jinfo mt. this is related with species of plants, the process of soil development and forming

    桂林地區土壤ph值和全氮量高於金佛山地區,這與植物種類,土壤發育過程及發育程度相關。
  20. The development pace is larger in surface layer than underlayer in the process of spontaneous vegetation recovery. but the transformation of physical and chemical characters is instable because of always interrupt or repeat of soil development process

    土壤同樣是從表層開始發育,但是發育過程經常被迫中斷,或出現發育、退化的反復性,導致理化性質在土體中的變化不穩定。
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