composition of soil 中文意思是什麼

composition of soil 解釋
土壤成分
  • 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，...
  • of : OF ＝Old French 古法語。
  • 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 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
  2. Scientists study the composition of the soil.

    科學家研究土壤的構成。
  3. 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
  4. 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。
  5. 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。
  6. 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。
  7. 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。
  8. 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。
  9. In recent years, during construction of railway in the southwest mountain area, we encountered the soft and weak soil that distributes on the slope and is similar with physical mechanical index of soft soil of marine deposit, lake deposit, etc., but different in cause of formation, scope of distribution, composition of mass and others characteristics. to emphasize its characteristics of distribution, we call it as " soft soil on the slope "

    近幾年，在我國西南山區鐵路建設中，常遇到一種分佈在斜坡上的軟弱土，它與海相、湖相等沉積的軟土物理力學指標相似，但在形成原因、分佈范圍、物質組成及其它特性上又有所區別，為強調其分佈特徵，我們稱其為「斜坡軟土」 。
  10. Ilmenite is an iron titanium ore that earth and the moon have in common. mls - 1a is made from billion - year - old basalt found on the north shore of lake superior and mixed with glass particles that simulate the composition of the lunar soil

    鈦鐵礦在地球和月球均普遍存在，而mls - la是仿照月球土壤成份把蘇必略湖北岸數以億年的玄武巖和玻璃顆粒混合而成。
  11. Impacts of high - parallel sand - barrier on soil organic matter contents and particle composition of serious desertified grassland

    平行高立式沙障對嚴重沙化草地土壤有機質含量及顆粒組成的影響
  12. Golden takins were very often observed to lick soil which with a high composition of salt

    羚牛的舔鹽習性可能與繁殖活動有關。
  13. 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。
  14. Difference in stable carbon isotope composition and profile distribution of soil organic matter between brown limestone soil and yellow soil in karst areas of guizhou province

    貴州喀斯特地區棕色石灰土與黃壤有機質剖面分佈及穩定碳同位素組成差異
  15. A trial of effect of application of combination of soil - testing composition fertilizer with bio - organic fertilizer of luyuan brand on watermelon production

    西瓜測土配方施肥結合施綠源生物有機肥肥效試驗
  16. Under the direction of chinese soil taxonomy, part purple soils developed on the purplish standstones of j2 # j3 in sichuan basin were systematically studiedaccording to natural landscape, profile modality and quick - test, applying to methods statistic analysis and system integration, main affecting factors, indexs of soil series taxonomy and retrieval orders were systematically discussed. the results showed : 1 ) organic substance, total nityogen, total phosphate, total potassium and particle size composition were distinctly related with many soil characters. organic substance, calcium carbonate, available phosphate # size composition were much different in all swatches. besides, soil structure and the depth had profound affection to it. 2 ) affecting factors : soil structure, texture style and organic substance phosphorous

    本文以土壤系統分類理論為指導，以四川盆地侏羅系蓬萊鎮組、沙溪廟組和遂寧組紫色巖上發育形成的部分紫色土為研究對象，利用spss統計軟體相關功能，結合供試土壤的自然景觀、剖面形態和室內測定的理化性質，對土系分化的影響因子、土系劃分指標和檢索順序進行了系統的探討，結論如下： （ 1 ） 、供試紫色土中有機質、全氮、全磷、全鉀和顆粒組成與多個土壤性質均呈顯著或極顯著相關；有機質、碳酸鈣、有效磷、顆粒組成等性質在供試土壤方差分析中變異系數均較大；土體構型及土體的深度對土壤性質也有深刻影響。
  17. Reflect over composition of comprehensive harness plan for soil and water conservation on road construction programme

    公路建設項目水土保持方案編制有關問題思考
  18. Humus composition of black soil and its organo - mineral complexes under different fertility level

    不同肥力條件下黑土及其有機無機復合體的腐殖質組成
  19. Drainage water analyses may not indicate the composition of soil solutions accurately.

    排水分析不能正確地反映土壤溶液的組成。
  20. Most research results indicated that temperature has the effects on concentrations of dissolved organic matter in soil solution and on composition of soil organic p

    大多數研究結果顯示，溫度對土壤溶液中的溶解態有機質和土壤有機磷組分有較大的影響。
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