clay soil 中文意思是什麼

clay soil 解釋
粘土質土壤
  • clay : n 克萊〈男子名,Clayton 的昵稱〉。n 1 黏土;泥土。2 (相對于靈魂而言的)人體,肉體;資質,天性。3...
  • 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. ( 3 ) the spatial analysis results showed that the variation of soil clay content was moderate at the direction of vertical section. the soil clay content was highest at the layer of 20 - 40cm, which showed that it is an eluvial accumulation horizon according to long - term cultivation, irrigation and rainfall

    ( 3 )土壤粘粒含量在垂直方向上呈中等變異,整個土體在20 - 40cm土層處的粘粒含量最高,說明土壤表層由於長期耕作、灌溉降雨,土壤粘粒含量有一個淋溶淀積過程。
  3. The intense eluviation and weathering of soil with groundwater and run - off result in the enhancing of capacity of transference of some elements, such as si, al, fe, mn. the chemical reactions of the colloid particles in the soil water make those crannies or holes filled by some epigenetic clay minerals and quartz. then a great deal of white reticulate clay comes into being in the quaternary laterite of the dongting basin

    地下水和地表水強烈的淋溶作用使土壤中硅鋁鐵錳等元素的遷移能力增強,土壤膠體粒子之間的化學反應,使得這些孔隙空間在後期逐漸被次生黏土礦物和石英所充填,最終,在洞庭盆地第四系紅土地層中形成大量的蠕蟲狀和根狀白色網紋。
  4. 2. the structure of purple soil is meliorated by sabaigrass. when contrast to bare land treatment and natural wild grassland treatment we knew that sabaigrass treatment and grass tree solid plating treatment reduced soil bulk density, enhanced soil capillary porosity, non - capillary porosity and porosity ratio, decreased soil sand grain content, enhanced soil clay grain and silt grain content so as to reduced the dispersal degree of soil, improved the aggregate capacity of soil, increased the amount of soil aggregate structure, meliorated the water permeability of soil, accelerated the form of good soil structure

    龍須草能改善紫色土的土壤結構龍須草純種植被和林草立體種植植被能不同程度地降低土壤容重,減少土壤砂粒含量,增加土壤的毛管孔隙度、非毛管孔隙度和孔隙比,以及增加粉粒含量,從而降低土壤分散度,提高土壤團聚性,增加土壤團粒結構數量,改善土壤的透水性,促進良好土壤結構的形成,最終提高土壤的蓄水保肥性能,增強土壤的抗蝕性和抗沖性。
  5. When planting in clay soil, cover seeds with vermiculite instead of clay

    當種植在黏土土壤時,用蛭石覆蓋蓋種子而不是黏土。
  6. No marked nitrate pollution in the groundwater was found, mainly because the nitrate transport to underground water was impeded by the heavy clay soil

    地下水中的硝態氮污染現象不顯著,主要由於土壤質地黏重,阻礙了硝態氮向地下水中的運移。
  7. White r e. prediction of nitrate leaching from a structured clay soil using transfer functions derived from externally applied or indigenous solute fluxes [ j ]. hydrol., 1989, 107 : 31 - 42

    任理,袁福生,張福鎖.冬小麥生長條件下土壤硝態氮淋洗的傳遞函數模擬和預報[ j ] .生態學報(印刷中)
  8. And the results showed that nyb1 and nyb4 also promote the degradation process of quizalofop - p - ethyl in clay soil ( 20g ) after added 2 ml of the bacteria suspension ( od46o = 0. 40 ), respectively. the filed trial results indicated that quizalofop - p - ethyl was degraded quickly in sesame plant and soil, and its half - lifves were 1. 35 and 1. 18 day, respectively

    並將菌株nyb1和nyb4培養液各以2ml的菌液量( od460 = 0 . 40 )分別添加到20g未滅菌的青紫泥樣品中,其降解速度較未加菌液的對照處理為快。
  9. The cause of its expansion is explained by hydrology characteristic of clay soil, damage process caused from expansion is exposed subsequently

    利用粘性土的水理特性對其膨脹性進行了解釋,並進一步閘述了它的遇水破壞過程。
  10. Different from clay soil and sand soil, the particle extent of silty soil is more narrow, so the component design method and construction technology, which is reasonable for clay soil and sand soil may not be effective to silty soil

    粉質土不同於粘性土和砂性土,其粒度分佈范圍窄,所以適用於粘性土與砂性土的配合比及施工技術與方法並不就一定適用於粉質土。
  11. The number of 3 rhizosphere microorganisms ( bacteria, fungi, actinomycete ) and 5 enzyme ( catalase, protease, urease, phosphatase, invertase ) activities were studied during the whole life of corn plant in sandy loam, loam and clay soil textures. [ method ] using yedan22, the number of 3 rhizosphere microorganisms and 5 enzyme activities with different textural soils were investigated in a pond

    摘要目的明確不同質地土壤(砂壤、中壤、重壤)玉米生育期間根際微生物(細菌、放線菌、真菌)數量與酶(脲酶、蛋白酶、磷酸酶、轉化酶、過氧化氫酶)活性的變化。
  12. [ objective ] the number of 3 rhizosphere microorganisms ( bacteria, fungi, actinomycete ) and 5 enzyme ( catalase, protease, urease, phosphatase, invertase ) activities were studied during the whole life of corn plant in sandy loam, loam and clay soil textures. [ method ] using yedan22, the number of 3 rhizosphere microorganisms and 5 enzyme activities with different textural soils were investigated in a pond

    摘要目的明確不同質地土壤(砂壤、中壤、重壤)玉米生育期間根際微生物(細菌、放線菌、真菌)數量與酶(脲酶、蛋白酶、磷酸酶、轉化酶、過氧化氫酶)活性的變化。
  13. Three dominant strains of bacteria in clay soil were obtained by the screening experiments, which were acinetobacter icoaceticus - baumanni c0 / / ex ( nya2 ), bacillus megaterium ( nyb ) and bacillus cereus ( nyb4 )

    試驗篩選了對精喹禾靈具有降解作用的優勢菌株nya2 (鮑氏不動桿菌acinetobacterlcoaceticus - baumannicomplex ) 、 nyb1 (巨大芽孢桿菌bacillusmegaterium ) nyb4 (堅實芽孢桿菌bacilluscereus ) 3個。
  14. ( 3 ) the amount of nitrogen leached was in the decreasing order as no3 - fertilizer > urea > nh4 + - fertinzer, and the main form of n leached was the n fertilizers added. the amount of nitrogen leached from sand soil exceed in that from clay soil

    ( 3 )在滴灌施肥條件下,三種氮肥(硝態氮、銨態氮和尿素態氮)在兩種質地的土壤中的淋失量均是硝態氮肥尿素銨態氮肥,淋失的氮素主要為肥料氮。
  15. ( 6 ) the ratio of the maximum value of the ground surface settlement and the horizontal displacement of the retaining structure has been found to be constant in the condition of an universal clay soil, steel bracing, seepage force etc

    總結出土質為一般粘性土,鋼支撐支護體系,考慮滲流作用的條件下最大沉降量與最大水平位移的比值。
  16. Test method for dispersive characteristics of clay soil by double hydrometer

    用雙倍流體比重計測定粘土的分散特性的試驗方法
  17. With the method of the lie group transformation, the symmetry of the equation governing one dimensional finite strain consolidation is discussed and, from the point of the symmetry, the feasibility to obtain the analytical solution of these nonlinear partial differential equations is discussed. where - after exact or approximate analytical solutions focused on different consolidation problems are obtained, these including : under some assumptions of relations of the void ratio with coefficient of permeability and effective stress, the method of lie group transformation is applied to solve the non - linear partial differential equation of large strain consolidation of homogenous saturated clay soil in semi - infinite domain with the consideration of the material and geometrical nonlinearity during consolidation procession. the implicit exact solution without considering the effect of self - weight of soil is obtained

    運用lie群變換方法討論了一維大應變非線性固結方程的對稱性,以及在該對稱性的意義下求解這類非線性偏微分方程解析解答的可能性,並就大應變非線性固結問題的多種情況求得了其完整的或者近似的解析解答,具體包括:基於有效應力與孔隙比以及滲透系數與孔隙比之間的關系的一些假定,採用李群變換求解考慮材料非線性和幾何非線性的半無限均質土體大變形固結非線性偏微分方程,得到了一個不考慮自重固結的完全解析解。
  18. Clay soil retains water

    黏土能保持水分
  19. Chrysanthemum, unknown variety. much sturdier than one says it. it has already passed three winters in a wet clay soil, and it always resists

    菊花,未知的種類。非常堅決一說。它已經在潮濕的粘土土地里度過3個冬天,並且它總是抵抗。
  20. We still lack in systematic researches of its regularity although ones have recognized that the changes of water content have effects on soil strength. this paper studies the change pattern of soil strength in the different water content as an example of silty clay soil in beijing area

    盡管人們已經認識到含水量的變化對土的強度參數有重要的影響,但其中的規律性仍然缺乏研究,本文針對北京地區一類主要的土質? ?粉質粘土,研究了不同含水量條件下土的強度參數的變化規律。
分享友人