soil composition 中文意思是什麼

soil composition 解釋
土的組成
  • 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...
  • composition : n 1 作文（法），作詩（法），作曲（法）；作品，文章；樂曲；文體，措辭。2 編制；結構，構造，組成，...
  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. The results showed in the paddy field the bacteria were predominated, in the dry land the proportion of fungi and actinomyces was distinctly higher than the other two kinds of soil, in the woodland abundant species of basidiomycetes were found ; the natural degradation speed was low, with the degradation the number and composition of microorganisms changed regularly ; when the c / n ratio was adjusted to 25 " ? 1, the degradation remnant ratio reduced 10. 67 % than the control

    結果表明，水田以細菌為主，旱地中真菌和放線菌數量最多，林地中有大量的高等擔子菌；秸稈自然降解較慢，土壤微生物也隨著降解的進行而呈現一定的變化規律；當調節c / n比為25 ： 1時，秸稈的腐解殘留率比對照組下降10 . 67 。 2
  3. Scientists study the composition of the soil.

    科學家研究土壤的構成。
  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機制尚不清楚，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有關。
  5. Through indoor routine tests, the physical and mechanical natures of intact and remolding soil of muck and mucky soil, in fuzhou, are analyzed in this thesis. the results reveal that water content, void ratio, shear strength of remolding soil samples are lower than those of intact samples. then qualitative analysis on the mineral composition, chemical composition and microstructure characteristic and types of the soft clay is given

    本文通過室內常規試驗對福州地區淤泥及淤泥質粘土的原狀土樣和擾動土樣的物理力學性質進行了分析，觀察土樣受擾動后一些物理力學指標的變化情況，發現擾動軟粘土樣的含水量、孔隙比、抗剪強度指標均比原狀土樣低；並從軟粘土的礦物成份、化學成份以及微觀結構特徵和類型上定性地分析。
  6. Storage and composition of soil seed banks of different degraded karst vegetation types in south - eastern yunnan

    滇東南巖溶山地退化植被土壤種子庫的儲量與組成
  7. It was shown that the physical property, electric resistivily and microstructure of soil in the slide area were different from those in the slope, and could be used to determine the slip zone, while the mineral ingredient and chemical composition could not be used generally to identify the slip zone

    研究結果顯示：黃土滑坡滑帶土的主要物理性質指標、電阻率特性、細觀結構特徵、微觀結構特徵與滑坡體及滑床有顯著差異，在實踐中可作為鑒別滑動面的標志；而滑帶土的礦物、化學成分沒有明顯的差異變化。
  8. The diversity, community structure, and species composition of springtails in the soil reflect the status of soil quality and contamination

    土壤中跳蟲的多樣性以及群落結構、物種組成都反映了土壤的質量和污染狀況。
  9. ( 4 ) we defined ssee factor ( surficial soil element enrichment factor ) and wpem factor ( weathering profile element mobility factor ), and applied them to evaluate the degree of effects of black shales weathering on soil, water bodies and their sediments composition

    （ 4 ）提出了表土層元素富集因子和風化剖面元素遷出因子，用於估算巖石風化對水體及其沉積物、土壤的化學組成影響的程度。
  10. The actual returns from fertilizer on a particular farm vary with soil type, management system and composition of the sward.

    一個具體農場施肥的實際效益隨著土壤類型，耕作制度和牧草地成分而異。
  11. But in contrast of the research of chemical weathering of other rocks, such as granites and basalts, the research of chemical weathering of black shales both in width and depth still remains much to advance. after reading and investigating widely, we selected lower - cambrian black shales and their weathering profiles in hunan province as research objects of our work at first. then, based on field investigation of weathering status of lower - cambrian black shales and it ' s relationship with soil composition and human activities in hunan, we studied changes of chemical composition such as major and trace elements before and after weathering of black shales by comparison

    根據文獻閱讀和野外調查，本文選擇了湖南安化、桃江、望城等地下寒武統黑色頁巖及有關風化剖面作為研究對象，並在查明湖南下寒武統黑色頁巖的風化現狀及其與土壤組成、人類活動的關系的基礎上，對比研究了黑色頁巖風化前後主量和微量元素等化學組成的變化，探討了元素的富集和遷移轉化機制以及黑色頁巖風化與區域環境質量的關系，得出了如下幾點主要成果和認識： （ 1 ） ti是黑色頁巖風化過程中的「不活動」元素，可作為參照元素，對其它元素的活動性進行質量平衡計算。
  12. In the meanwhile, the best community that was picked out from natural deciduous broad - leaved forest was taken as contrast. and the hight, dominance, soil fertility, coverage, composition and biomass of the community were used as community characteristics parameters to comprehensively evaluate the restored degree of communities at different restoration stages

    同時，在天然闊葉落葉林中選取一個最佳群落作為參照，運用群落高度、顯著度、土壤肥力、蓋度、組成結構和生物量6個指標為群落特徵參數，對各個階段群落恢復的程度進行了綜合的評價。
  13. The dispersibility as well as seepage distortion and salt transference under long - term seepage condition of soil samples obtained from the clay core wall in xijiao and sanping reservoirs were studied by physical and chemical properties of soil and composition of clay mineral and the tests for identification of dispersive clay soils which included double - hydrometer test, pinhole test, crumb test, tests to defermine salt content of pore water and percentage of exchangeable sodium

    摘要應用碎塊、針孔、雙比重計、孔隙水可溶鹽和交換性鈉百分比等五種試驗方法，結合物理化學性質和礦物成分分析，對西郊、三坪兩水庫大壩心墻土樣進行了多種方案的分散性試驗及長期滲流條件下的滲透變形試驗和鹽分運移試驗。
  14. The following contents were mainly studied : ( 1 ) aspect, structure as well as characteristic of species composition between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 2 ) species diversity, species abundance and species evenness between fragmental evergreen broadleaved forests and contin. us evergreen broadleaved forest ; ( 3 ) plant floristic compositions at family and genus levels between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 4 ) life form between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 5 ) microclimate factor ( sun radiation, temperature, wind velocity, humidity ) in different level pattern ( open, edge and interior ) between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 6 ) the relations between environment and soil factors as well as species diversity of forest community between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest

    主要研究以下內容： （ 1 ）片斷和連續常綠闊葉林的外貌、結構和物種組成特徵； （ 2 ）片斷和連續常綠闊葉林的物種多樣性、豐富度和均勻性； （ 3 ）片斷和連續常綠闊葉林的科（ ? ）屬水平的植物區系成分； （ 4 ）片斷和連續常綠闊葉林生活型組成； （ 5 ）在不同的水平梯度格局上（林外、林緣和林內） ，片斷和連續常綠闊葉林的小氣候要素（光照、溫度、風速、濕度等） ； （ 6 ）片斷和連續常綠闊葉林的環境和土壤因子，與群落的物種多樣性之間的關系。實驗結果表明： （ 1 ）各片斷森林的外貌特點基本上和連續森林一致。
  15. The abundance and diversity of amf community maintain relative high level in gental contaminated soil, and the amf of glomus were the dominate community among 6 genus of amf presented in gental contaminated soil due to their 63 % propotion. the composition of amf community varied with the increase of pollution degree of soil. with the disappearer of gigaspora and paraglomus in medium polluted and serious polluted soil seperatly

    隨著重金屬污染程度的增加， amf種群結構不斷發生變化，盾巨孢囊霉屬的amf在中度污染（ 2 . 5 p 5 ）的土壤中消失，類球囊霉屬的amf在重度污染（ p 5 ）的土壤中消失，而球囊霉屬的amf所佔比例逐步上升，在重度污染土壤中達到89 ，在amf種群中占絕對優勢。
  16. The results show that the physical and chemical conditions of the corn belt phaeozem have significant different in different profile morphological characteristics. in another way, soil composition of three phases, content of available water, nutrient content and composition of humus have significant different in different profile morphological characteristics. among three groups of profile morphological characteristics, corn yields of phaeozem in " flat type " boundary soil ( depth = 30cm ) were the most, reached 8. 22t / hm2on average. corn yields of phaeozem in " wave type " boundary soil ( depth = 15cm ) reached 7. 55t / hm2 on average

    這兩種界面構造對玉米產量影響差異顯著， 「平面型」界面土壤抗逆性較強，產量最高，平均產量達8 . 23t / hm ~ 2 ，而「波浪型」界面土壤抗逆性較差，它可以分為兩種情況：當耕層厚度15cm時，產量處于中等水平，平均產量為7 . 55t / hm ~ 2 ；當耕層厚度15cm時，產量最低，平均產量為6 . 65t / hm ~ 2 ，此種土壤處于丘陵漫崗區，產量受水土流失影響較大。
  17. In the sandy layer, the soil composition gradually increases and a ku - lau rock rock formed by coral fossil structure appeared lying in the south - north direction. the ku - lau rocks were structured with the bricks lying in the east - west direction

    沙土層內，土壤質逐漸增加，出現南北向咕?石結構，與東西向磚塊堆積結構，其中咕?石表現先敷上白灰，其次再為水泥。
  18. The results are as follows : trace elements such as cd, sb, zn and u can change residual soil composition deeply, elements such as ree, y, cr and cu can change water bodies and their sediments composition deeply, while elements such as v, ni, mo and tl can change residual soil, water bodies and their sediments composition deeply during black shales weathering

    結果表明：在黑色頁巖風化過程中， cd 、 sb 、 zn 、 u等元素對殘積土壤組成影響較大， ree 、 y 、 cr 、 cu等元素對周圍水體及沉積物組成影響較大，而v 、 ni 、 mo 、 t1等元素對殘積土壤和周圍水體及沉積物組成影響都較大。
  19. On the other hand, each of available p and available k was insignificant related to corn yields. soil composition of three phases was signified and compared by means of trigonometric coordinates. meanwhile, considered relative percentage content of three phases, it reflected actual condition better that ratio of two phases

    本文根據對吉林玉米帶黑土剖面構造、理化環晚等各因素與玉米產女的關系分析，將各種因素按其對作物產童影響程度的不同，分清主次，找出明確影響產量的限制性因子，提出吉林玉米帶黑土土壤環境與玉米產童關系的檢索指標體系。
  20. As the tractor moves across fields, it receives satellite data on its precise location, soil composition, water levels, infestations, and other crucial factors

    當拖拉機在田間工作時，將會收到衛星傳來的數據，告知其精確位置、當地土壤成分、水位、蟲害及其他重要因素。
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