carbon soil 中文意思是什麼

carbon soil 解釋
碳質污垢
  • carbon : n. 1. 【化學】碳。2. 【電學】碳精棒[片、粉];碳精電極。3. (一張)復寫紙。4. 復寫的副本。
  • 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. The results indicate that : 1. the main physical and chemical characteristics vary regularly : with rising of the altitude, there is a transition from silt > sand > clay to sand > silt > clay in the mechanical composition ; the argic horizon emerges below the altitude of 1600 meters ; the content of organic matter is enrichment, the content of organic carbon of epipedon is higher than 20 g / kg, while the content of organic carbon increases with increasing of altitude, and in the altitude of 3500 - 3700meters, the soils under the meadow have the maximum content organic carbon ; the soils appear acid - slightly acid reaction, the ph decreases appreciably and acid strengthen with increasing of altitude ; the soils higher than the altitude of 2500 meters are base unsaturated, indicating the soil leaching is strong, the ph and bs are distinct plus correlated ; the contents of sio2, al2o3, and fe2o3 of the soil body and clay are all relatively stabilization ; in the soil body, the content of sio2 is much high and cao is very little, the total contents of sio2, a12o3 and fe2o3 occupy 92 % of the mineral parts, the sequence of mineral elements is : sio2 > al2o3 > fe2o3 > k2o > mgo > cao > tio2 > mno

    研究結果表明: 1太白山南坡土壤的主要理化性質隨海拔高度的上升呈有規律的變化:隨海拔高度上升,機械組成由粉粒砂粒粘粒逐漸過渡到砂粒粉粒粘粒,海拔1600m以下出現粘化層;土壤有機質豐富,表層有機碳含量一般在20g kg以上,有機碳含量隨海拔高度升高而相應增加,海拔3500 3700m的灌叢草甸植被下有機碳含量最高;土壤呈酸性或微酸性,並隨海拔上升, ph值略微降低,酸性增強,海拔2700m以上的土壤多呈鹽基不飽和狀態,表明土壤淋溶作用較強, ph值和鹽基飽和度呈極顯著正相關;土體與粘粒中的sio _ 2 、 al _ 2o _ 3 、 fe _ 2o _ 3含量相對比較穩定,土體中sio _ 2含量較高, cao含量較少, sio _ 2 、 al _ 2o _ 3和fe _ 2o _ 3含量之和約占土壤礦質部分的92 ,礦質元素含量的順序依次為: sio _ 2 al _ 2o _ 3 fe _ 2o _ 3 k _ 2o mgo cao tio _ 2 mno 。
  2. Effects of caragana microphylla plantation on soil organic carbon storage in horqin sandy land

    科爾沁沙地小葉錦雞兒對土壤有機碳積累的影響
  3. Biomass and soil carbon dynamics in cryptomeria fortunei plantations

    人工柳杉林生物量及其土壤碳動態分析
  4. The normal analytic technique was adopted to mensurate the basical nutrients such as total n, total p, total k, available n, available p, available k, organic matter, ph and so on. meanwhile, various techniques were employed to mensurate the soil dissoluble carbon, finally the technique of water saturating - h2so4 - agso4 - circumfluence - feso4 titration was used in this experiment

    測定土壤的基本養分狀況全氮、全磷、全鉀、速效氮、速效磷、速效鉀、有機質、 ph等採用常規分析法,對土壤可溶性碳的測定方法進行了多方面的探索,最後採用水提? h _ 2so _ 4 - ag _ 2so _ 4迴流? feso _ 4滴定這一方法。
  5. This distribution pattern of soil carbon was related to such factors as the precipitation eluviation and the organism activities in soils

    土壤碳的這種分佈格局與大氣降水的淋溶、土壤生物活動等因素有關。
  6. 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。
  7. Correlation analysis between black soil textures and total carbon, nitrogen, phosphorus, kalium contents in shuangcheng cropland

    雙城市農田黑土機械組成與土壤全碳和全氮磷鉀養分含量的相關性分析
  8. This paper synthetically summarized current research on terrestrial nitrogen cycle and soil nitrogen cycle, meanwhile, uncertainties of terrestrial nitrogen cycle were discussed. the global diversified ecosystem nitrogen and carbon storage was comparative thoroughly estimated through different life zone. the global organic nitrogen storage was estimate by the c / n ratio

    Post等按照不同生物帶比較全面的估算了全球各種生態系統類型的土壤碳氮密度和含量, mcelroy等利用土壤有機碳儲量和碳氮比來估算了全球土壤有機氮儲量。
  9. Wang s. huang m., shao x., mickle, r. a., li k., ji j. 2004. vertical distribution of soil organic carbon in china. environmental management, 33 ( supplement 1 ) : s200 ? s209

    胡云峰,王紹強,楊風亭. 2004 .風蝕作用下的土壤碳庫變化及在中國的初步估算.地理研究, 23 ( 6 ) : 760 - 768
  10. Fungi form mycorrhizae in plant roots and the hyphae take in carbon from plants through their epidermal cells and move mineral nutrients and water from soil to their epidermal cells ; this symbiosis is of high importance in studying biodiversity conservation, the origins and evolution of terrestrial plant, the rehabilitation and reconstruction of degenerated ecosystems, agriculture, horticulture and forestry

    真菌在植物根系形成菌根后,菌絲通過根的皮層細胞獲取植物提供的碳源,同時將礦物營養和水從土壤轉運到皮層細胞,這種共生過程的研究在生物多樣性的保護、陸生植物的起源與演化、退化生態系統的修復與重建以及農業、林業和園藝業的應用具有重要的意義。
  11. The main results are following : ( 1 ) the variation of clay / silt ratio can indicate the secondary clay action of dust depositions ; the variations of magnetic susceptibility and total fe content are inferred to be records of the changeable intensity of bio - pedogenesis ; the variations of sr content and rb / sr ratio can indicate bio - pedogenesis, dissolving and leaching action ; the content of total organic carbon ( toc ) can reflect variation of climate and vegetation during soil formation, it indicates the intensity of weathering and bio - pedogenesis ; the content variation of caco3 can show the intensity of dissolving - leaching action and secondary deposit, which was noted as pseudomycilia in pores and fissures in the sediment, so it can indicate the intensity bio - pedogenesis quite well. these proxy indexes also reflect obvious regional difference of pedogenic environment and the intensity bio - pedogenesis ; namely, secondary clay action, dissolving - leaching action and bio - pedogenesis are all much stronger in south than that in north

    實驗結果表明:粘粒粉沙比值能很好地指示粉塵堆積物的次生粘化作用;磁化率和全鐵很好地指示生物風化成壤作用; sr和rb sr比值能很好的指示生物風化成壤作用和淋溶作用;總有機碳( toc )含量的高低,在一定程度上反應了土壤發育過程中氣候和植被狀況的變化,指示著成壤過程中腐殖質化的程度; caco3含量的變化,可以反映了黃土古土壤形成時的風化成壤作用的強弱程度,指示成壤過程中的淋溶作用和次生碳酸鹽化作用;並且各指標所指示的成壤環境和成壤強度存在明顯的區域差異,即渭河流域土壤的生物風化成壤作用、次生粘化作用和淋溶作用均表現出南部強于北部。
  12. This paper gives a brief review of four stabilization mechanisms of soc : ( 1 ) recalcitrance of organic carbon compounds, ( 2 ) interactions with metal oxides and soil mineral surfaces, ( 3 ) spatial inaccessibility against decomposers because of micro - aggregate ' s physical protection, and ( 4 ) biological mechanisms, mainly the direct contributions of soil organisms themselves

    土壤有機碳的穩定機制主要包括: ( 1 )有機碳的難降解性; ( 2 )金屬氧化物和粘土礦物與有機碳的相互作用; ( 3 )土壤團聚體的物理保護導致的生物與有機碳空間隔離; ( 4 )土壤生物學機制,主要指土壤生物自身對有機碳穩定性的直接貢獻。
  13. Plastics - determination of the ultimate aerobic biodegradability in soil by measuring the oxygen demand in a respirometer or the amount of carbon dioxide evolved

    塑料.通過測量呼吸計中的需氧量或放出的二氧化碳量測定土壤中的最大需氧生物降解能力
  14. Currently sequestrating co2 to agricultural soil is a. front field in soil carbon cycle studies, among which whether agricultural soil redistribution leads to carbon sequestration has developed scientific, political and social interests

    當前,農田土壤固碳過程是土壤碳循環研究中的一個前沿領域,其中農田土壤再分佈過程能否導致土壤固碳已引起科學上、政治上以及社會上廣泛的興趣。
  15. But as the tundra becomes shrubbier and as the soil becomes drier in the summer as a result of higher temperatures, the balance could swing back the other way, because plants, particularly woody ones, will fix more carbon and lock it back into the arctic ecosystem

    但當苔原長了小樹,土壤也因為夏季較高的溫度而變得乾燥時,平衡可能蕩向另一個方向,因為植物(尤其是木本植物)會固定更多的碳,將其鎖回北極生態系裡。
  16. Soil contamination by carbon tetrachloride in south suburb source of a city

    某市南郊水源地土壤四氯化碳污染特徵
  17. According to importance of ecosystem services, the function of fixing carbon and releasing oxygen is the most important, the function of conditioning climate is the second, and the functions of keeping waterhead, preserving soil, purifying environment, and restraining noises are also important

    依據重要性,由大到小依次為固碳釋氧功能、調節氣候功能、涵養水源功能、保持土壤功能、凈化空氣功能與減弱噪聲功能。
  18. Based on research progress on economic value of ecosystem services, taking shenzhen for instance, the authors analyze the functions of ecosystem services such as conditioning climate, fixing carbon and releasing oxygen, preserving soil, keeping waterhead, purifying environment, and restraining noises. economic values of all the six kinds of ecological service functions are calculated

    綜述國內外生態系統服務功能價值評估相關研究進展,以深圳市為例,運用生態經濟學原理與方法,闡釋了生態系統調節氣候固碳釋氧保持土壤涵養水源凈化環境和減弱噪聲等生態服務功能,對其經濟價值進行評估。
  19. Meanwhile, the importance of different ecosystem services in urban areas is different. the function of fixing carbon and releasing oxygen is the most important, the function of conditioning climate is the second, and the functions of keeping waterhead, preserving soil, purifying environment, and restraining noises are the last important

    同時,城市生態系統各生態服務功能的重要性,由大到小依次為固碳釋氧功能調節氣候功能涵養水源功能保持土壤功能凈化空氣功能與減弱噪聲功能。
  20. New achievements having been obtained in this field show that co2 participating in karst process in the epikarst dynamic system mainly comes from soil air co2 created by the organic carbon, in other words, although karst is a kind of biochemistric action in nature, distribution and transmit and cycle of carbon rely on changes of soil organic carbon. soil organic carbon is the greatest carbon storeroom. soil respiration emission of co2 is the most important passing entrance in carbon cycle of epikarst ecosystem

    已有的研究表明:參與巖溶作用的co _ 2多數屬于土壤中生物成因,也就是說,盡管巖溶作用是一種自然界無機化學作用,但碳的分佈與轉移及循環仍以生物活動為紐帶的土壤碳積累為轉化中心,土壤有機碳構成系統最大的碳庫,土壤呼吸碳表現為該系統中最重要的碳流通途徑,因此進行土壤co _ 2濃度觀測及其影響因子分析是研究表層帶巖溶生態系統運行機制和全球碳循環的首要條件。
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