soil profile 中文意思是什麼

soil profile 解釋
土層剖面;泥土成分
  • 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...
  • profile : n 1 剖面,半面,(雕像等的)側面;側面像。2 外形,輪廓;外觀,形象;型;【航空】翼型,翼(剖)面...
  1. The distribution and change pattern of soil co2 concentration in soil profile data are analyzed as well as its effect factors. a model for soil caco3 eluviation - illuviation is developed based on mechanism of soil chemical thermodynamic principle and applying other modeling experience for reference

    本文以磚窯溝流域為例研究和分析了土壤剖面co _ 2濃度的分佈變化規律及其影響因子;對土壤碳酸鈣淋溶錠積進行了定性、定量研究。
  2. 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。
  3. Some of the mobilized elements may be reprecipitated at the base of the soil profile.

    某些移出的養分可能在土壤剖面底層重新沉澱下來。
  4. Effect of the sand layer position on the phreatic evaporation in the layered soil profile

    層狀土壤中砂層層位對潛水蒸發的影響
  5. The agricultural activities change their vertical distributions in the soil profile, and improve the richness and abundance of macro - arthropods in the lower soil stratum especially in july

    研究區共捕獲大型土壤節肢動物2357隻,分別隸屬于節肢動物門5綱9目70科。
  6. The results show that the interface between the cultivated layer and the plough sole in the soil profile was undulated under the current cropping system mainly using small - sized four - wheeled tractors and flat under the cropping system of deep plowing annually in the fall

    結果發現,現行的以小四輪拖拉機為主要動力的耕作制度下,土壤剖面中耕層與犁底層的界面為「波浪型」 ,而年年進行秋翻的玉米田,其耕層與梨底層的界面為「平面型」 。
  7. Rainfall frequency and amount are thus crucial factors in determining the position of deposition in a soil profile.

    降雨次數和降雨量是左右溶質在土壤剖面中沉積位置高低的決定性因素。
  8. Leaching the removal of humus and soil nutrients in solution by water moving down the soil profile

    淋洗作用:流水沖走土壤表面的腐殖質和營養成分的過程。
  9. The essential problem with the restoration of mining engineering disturbed soil is to reconstruct soil profile, form proper soil physical and chemical properties in a very short period of time, and improve soil environment quality

    礦山工程擾動土人工再造的實質問題是土壤剖面的重新構造,並在較短的時間內形成適宜的土壤理化性狀,改善再造土壤的環境質量。
  10. 3 ) indexs of soil series taxonomy and retrieval orders : a ) soil structure : the classification was based on the soil profile and " b " horizon differentiation. b ) texture style. c ) organic substance : according to four levels 20. 1 - 30. 0, 10. 1 - 20. 0, 6. 1 - 10. 0, < 6. 0 ( g / kg ) 4 ) according to the standard of chinese soil taxonomy and this study, 17 soil swatches were divided into 14 soil series. among which, 9 belonged to cambic order, the order 7 belonged to entic order

    土壤有機質狀況:按照土壤有機質分級指標,結合供試土壤有機質狀況,按20 . 1 ? 30 . 0 、 10 . 1 ? 20 . 0 、 6 . 1 ? 10 . 0 、 6 . 0 ( g kg )四個級別劃分土系( 4 )按照系統分類統一標準及本研究建立的土系劃分指標和檢索順序,對照供試土壤的理化性質進行檢索, 17個供試土壤共劃分為14個土系,其中9個屬于雛形土綱, 5個屬于新成土綱。
  11. The results suggest that both of these instruments ought to be calibrated in barrel ; tdr can be calibrated using the same formula in different depths of even soil profile ; and neutron probe need to be calibrated by dividing the whole even soil profile into three segments

    標定試驗結果表明:時域反射儀和中子儀都應該用桶內標定法;時域反射儀可以不分層標定,而中子儀可以分三段標定。
  12. Nutrients that are mobile in the soil profile must be supplied near to the time of maximum need in humid regions in order to prevent loss

    在濕潤地區,為防止養分淋失,應將移動性強的養分在接近最需要的時候施用。
  13. To study the effects of preferential flow on infiltrated flow and surface runoff in the granite area of the three gorges, yangtze river, china, a soil profile that is not seriously disturbed by human activities was selected in the quxi watershed of the area as a field experimental site

    摘要為研究長江三峽花崗巖地區優先流對滲流和地表徑流的影響,以長江三峽地區曲溪小流域作為試驗用地,選擇適當的土壤剖面作為觀測剖面。
  14. Mineralization and nitrification of soil ni trogen in calcareous soil profile

    石灰性土壤剖面氮素的礦化和硝化作用
  15. Distribution and origins of polycyclic aromatic hydrocarbons in a soil profile containing 6 000 - year old paddy soil

    000年以來水稻土剖面中多環芳烴的分佈特徵及來源初探
  16. The results indicated that even if there was different at initial soil condition, such as initial moisture content and initial salt content, salt content in soil profile and sar at top soil increased greatly after the high salinity water infiltrated

    結果表明盡管土壤初始條件存在差異,但灌高礦化度水后,土壤含鹽量和溶液濃度總體增加,且土壤剖面特別是表層的sar明顯增大。
  17. A research on the black sandy soil profile at xinzhuangzi in xuanhua basin hebei province

    宣化盆地辛莊子黑砂土剖面研究
  18. The amount of water in soil profiles under different kinds of native vegetation decreased with depth in the 0 - 400cm soil profile

    除0 ? 50cm層外,其它各層次土壤水分的季節動態趨勢均表現出較高的一致性。
  19. In the paper, the main results are brought forth in five aspects as follows : ( 1 ). the analysis of statistics the characteristic indicated that the variation coefficient of the soil nitrogen density of 0 ~ 30cm depth is lower, the variation coefficient is only 3. 6 %, the variation coefficient of the nitrogen density of 0 ~ 100cm depth is much bigger than that the 0 ~ 30cm depth, it is 100 %. based on the second national soil general survey material, the average soil profile depth is 101cm, this is in corresponding with skew normal distribution, its standard deviation is 0. 0192

    通過研究,得到以下認識與結果: ( 1 )統計特徵分析表明, 0 30cm厚度土壤氮密度的變異系數較低,為3 . 6 , 0 100cm厚度的氮密度的變異系數相對于來說就很大,為100 ;全國土壤剖面深度平均為101cm ,符合偏正態分佈,標準方差為0 . 0192 ; 0 30cm厚度土壤氮密度服從對數正態分佈,而0 100cm厚度土壤氮密度基本服從偏正態分佈。
  20. A magnetic study of a polluted soil profile at the shijingshan industrial area, western beijing, china

    我國城市地表徑流污染治理技術探討
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