有機碳 的英文怎麼說

中文拼音 [yǒutàn]
有機碳 英文
organic carbons
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : machineengine
  • : 名詞[化學] (非金屬元素) carbon (c)
  • 有機 : organic organic
  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規律的變化:隨海拔高度上升,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. The beef extract, a beef derivative, is a source of organic carbon, nitrogen, vitamins, and inorganic salts

    牛肉萃取物是一種牛肉衍生製品,可以作為有機碳、氮、維生素與無鹽類的一個來源。
  3. 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
  4. Until now there are contradictorily results regarding the dominant soc stabilization mechanisms, possibly depending on factors, such as ecosystem and soil type, soil depth, soil managements, as well as soil biological activity and community composition

    至今,有機碳穩定性的主導制尚不清楚,但影響因素與生態系統類型、土壤類型、土層深度、土壤管理措施、土壤生物活性及群落組成等關。
  5. They do not have an illuvial horizon enriched with either silicate clay or with an amorphous mixture of aluminum and organic carbon

    富含硅酸鹽粘土或鋁有機碳非晶質混合物的淀積層。
  6. 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氮密度和含量, mcelroy等利用土壤有機碳儲量和氮比來估算了全球土壤氮儲量。
  7. Especially in shuanghu area and amdo 114 station, the sedimentary rocks is organic - rich, mostly consist of black shales, marls and mudstones

    尤其是雙湖地區和安多114道班巖性特殊,為一套富含有機碳沉積,主要為黑色頁巖、泥灰巖和泥巖。
  8. Soil eoc1 under broad - leaved stand increased gradually with temperature and reached the maximun in july and september. a more flat curve of soil eoc1 was observed in masson pine stand with a peak in july

    從0一20厘米至60一80厘米,整個剖面上各層土壤水溶性有機碳占土壤總有機碳比率均是杉木林最高,闊葉林次之,馬尾松林最低。
  9. 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。
  10. 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 )土壤生物學制,主要指土壤生物自身對有機碳穩定性的直接貢獻。
  11. Biogeochemical characteristics of organic carbon in surface sediments from the chukchi sea

    北極楚科奇海海底表層沉積物有機碳的生物地球化學特徵
  12. Organisms dependent on an organic carbon source are termed heterotrophs.

    依賴于有機碳源稱為異養結性物。
  13. Organic carbon and nitrogen sources could not only promote the growth of strain ag, but also changed the content of phycobioprotein and chlorophyll - a

    有機碳氮源不僅影響螺旋藻的生物量,而且還影響著螺旋藻中葉綠素a和藻膽蛋白的含量。
  14. It was showed that carbon source bacteria could absorb was a more important factor than ( nh4 ) 2so4 and kh2po4 ; and higher ph, rich biomass of phytoplanktons and zooplanktons in water body also restrained the growth of heterotrophic bacteria

    結果表明生物可利用的有機碳是主要的限制性營養因子,而氮源和磷源的影響較小;湖水的高ph以及豐富的藻類和浮遊動物生物量也制約了異養細菌的生長。
  15. The organic matter, total n, hydrolytic n were increased, then reduced with the increase of abandoned time. the loss of organic c got up to 59. 4 % in abandoned land. in 0 - 20cm, the sand content of 0. 25 - 0. 05mm was increased gradually, the average content of sand in the abandoned land was up to 76. 84 %, the sand contents of silt and sand was gradually reduced, the soil mechanic compose became coarse

    隨撂荒年限的增加,土壤質、全氮、堿解氮等主要養分均表現出先降低后增加的趨勢;撂荒地有機碳的損失平均達到59 . 4 ;在撂荒地表面0 - 20cm范圍內, 0 . 25 - 0 . 05mm粒徑的砂粒含量逐漸增加,各撂荒地砂粒平均含量達76 . 84 ,粉粒和粘粒含量逐漸降低,土壤械組成出現粗化現象。
  16. Decomposition of soil organic carbon and turnover of soil microbial biomass carbon under condition of rotation between upland crop and paddy rice

    水旱輪作條件下土壤有機碳的分解及土壤微生物量的周轉特徵
  17. Water quality - determination of the inhibition of the mobility of daphnia magna strauss by polyelectrolytes in presence of organic carbon in the form of humic acids - acute toxicity test

    水質.以腐殖酸形式存在的有機碳中的聚合電解質對水蚤運動性抑制的測定.急性毒性試驗
  18. Effects of caco3 and gypsum on leaching of phosphorus and dissolved organic carbon in soil

    酸鈣與石膏對土壤磷及溶解有機碳淋溶的影響
  19. Determination of organic carbon content - titrimetric method

    滴定法測定有機碳
  20. Determination of total organic carbon in limestone

    石灰巖中有機碳總量的測定
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