砂土壤 的英文怎麼說

中文拼音 [shātǔrǎng]
砂土壤 英文
sandy soil
  • 砂 : 名詞（沙子） sand; grit
  • 壤 : 名詞1. （土壤） soil 2. （地） earth 3. （地區） area 4. （姓氏） a surname
  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 soil is classified to tidal sandy soil, derived from river alluvium with sandy loam texture

    土壤分類為河流沖積土發育的潮汐沙土，砂壤土質地。
  3. Research on soil moisture index of dry crops in caked calcium carbonate black earth

    砂姜黑土區旱作物土壤墑情指標研究
  4. Borax is the compound commonly applied to the soil to correct boron deficiency.

    硼砂是矯正土壤缺硼的常用硼化合物。
  5. Some soils, such as sandy soils, have a loose crumb structure with good drainage, whereas in clay soils the particles are small and stick together to give a dense crumb structure and poor drainage

    一些土壤例如砂土具有鬆散的結構，因而有良好的排水性，而在粘土中，由於土壤顆粒小而互相粘合導致粘土結構緊密排水性較差。
  6. The elementary idea of the reference units method can be described as follows : firstly, by the setting of double series of reference units, we can control the highest and lowest land quality class of each village or town ; secondly, the class of the arable land will be get through the contrast between the arable land with the reference unit which has been selected in the same area, the difference in quality is the key factor to classify the land. the results show, 87. 6 % of the lands from i to iii distribute on alluvial and lacustrine plains, where the associated soils are mainly grey fulvo - aquic and calcareous concretions black ones. and 61. 4 % of them from iv to vi distribute on slightly rolling parts with mainly yellow - cinnamon soil developed from the diluvial and slope deposits

    分等結果表明：臥龍區等的耕地中，有87 . 6分佈在沖積、湖積平原區，主要土壤類型是在河流沖積物上發育形成的灰潮土、在湖相沉積物上發育形成的砂姜黑土；等耕地中，有61 . 4分佈在壟崗區，主要土壤類型是洪坡積物上發育形成的黃褐土：而、等耕地集中分佈在丘陵區，主要土壤類型是殘坡積物上發育形成的粗骨性黃褐土，等別結果分佈總體上體現了不同地貌類型、土壤條件下耕地質量的差異。
  7. This paper, based on the grain - size analysis and the comparative result of the mz - o scatter gram of ancient aeolian sands in milanggouwan section with the modern dunes in mu us desert, holds that fossil eolian dunes are a proxy of the dune activation, and be regarded as " desert process ", while the overlying fluvio - lacustrine and palaeosols on the dunes are regarded as inter - desert process

    文中根據粒度分析及古今砂丘的mz ?散點圖比較結果，認為古代風成砂丘特別是古流動砂丘是砂丘活化的體現，視為「沙漠期」 ，而砂丘上覆的河湖相沉積與古土壤發育則可視為「間沙漠期」 。
  8. 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。
  9. Suction devices are inadequate in gravels or very porous soils.

    吸水裝置對砂礫或非常疏鬆的土壤是不適用的。
  10. My experiment can mostly include two sections : the first one was a pot experiment which was carried out in the greenhouse to study the physiological responses of helianthus tuberosus l. seedlings to salt and water stress ; the second one was a field experiment which was carried out in laizhou, shandong province to study the effects of seawater irrigation on helianthus tuberosus l. and soil

    本試驗由溫室盆栽耐鹽耐旱試驗和大田海水灌溉試驗兩大部分組成：溫室盆栽試驗主要通過砂培的方法，研究了幼苗期菊芋在鹽分和水分脅迫下的生理反應；大田試驗在半乾旱的山東萊州地區進行，研究了海水灌溉對菊芋及其土壤的影響。
  11. From textural point of view, about 30 % soils are clayey, 35 % loamy and 10 % sandy while the remaining have variable texture

    從質地上看，約30 %的土壤是粘土， 35 %是壤土， 10 %是砂土，其餘土壤質地龐雜。
  12. The soils ( paleudults ) consist predominantly of light brown fine loamy sand to fine sandy loam changing with depth into a brown sandy clay loam and sandy clay with red mottles

    土壤（強發育濕潤老成土）主要為淡棕色細壤質砂土到細砂質壤土，隨著深度增加，土壤變為棕色砂質粘壤土和帶有紅色斑點的砂質粘土。
  13. Setenaly according to the analyses from selected profiles, we know that, it is cold and dry in this region during the early holocene when east asian winter monsoon ' s influence is obvious, so, it is a transition period from sand deposit to sandy soil deposit, when the layers become thinner gradually from north to south. during middle holocene, it is warm and humid, influenced evidently by east asian summer monsoon, so, it is an obivious pedogenesis, when there are generally well - developped holecene palaeosol ( so ) from north to south, and the pedogenesis in the south is better than that in the north, the soil is also thicker than that of the north. from late holocene to now, the climate changes to be dry and cold, but its changing scope is smaller than that of last glacial period

    2 、就所選剖面分析來看，本區在全新世早期氣候回返，相對較寒冷乾燥，東亞冬季風影響較明顯，此時為沙層堆積向砂質土壤過渡，自北至南堆積的沙粒漸細；全新世中期氣候溫暖濕潤，東亞夏季風影響顯著，此時為明顯的成壤期，表現在自北至南普遍可見發育較好的黑壚土層，且南部的成壤作用比北部好，土壤的厚度也要大；全新世晚期至今，氣候向乾冷方向轉化，但變化幅度遠小於末次冰期。
  14. Characteristics and calculation model of phreatic evaporation of sand - layered soil

    夾砂層狀土壤潛水蒸發特性及計算模型
  15. 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
  16. Based on the test of drainage salinity effect in different clay interlayer and the analsis of thickness of drainage salinity layer, the design parameter of effective drainage salinity semidiameter, amount of sand - hole and semidiameter of hole were put forword

    通過對不同層位的粘土夾層土壤的洗鹽效果試驗研究，分析了脫鹽層厚度、計劃脫鹽層脫鹽效率，提出了有效洗鹽半徑的概念、砂孔數量及孔徑等設計參數，並制定相應的洗鹽制度。
  17. Situated at the southeast of the mu us desert, ordos plateau, the milanggouwan stratigraphical section in the salawusu river valley keeps a record of 38 sedimentary cycles of alternate evolution of the aeolian dune layers with the fluvio - lacustrine facies and palaeosols since 150 ka bp

    位於鄂爾多斯高原毛烏素沙漠東南邊緣的薩拉烏蘇河流域的米浪溝灣剖面，記錄了150kabp以來的38個風成的砂丘砂與河湖相和古土壤交替演化的沉積旋迴。
  18. As regards sk ( bias angle ) and kg ( kurtosis ) values, the fluvio - lacustrine facies or palaeosols increases considerably compared with the aeolian sands. the former displays positive bias and the latter often approximately symmetrical distribution with only a minority negative bias

    就sk和kg變化而言，河湖相或古土壤值較之風成砂明顯增高，前者呈正偏，後者常常表現近對稱分佈，僅少數呈負偏。
  19. Mz, a, sk, kg and sc / d ( ratio of the sum of silt and clay to sand ) of fluvio - lacustrine, palaeosols and aeolian sands constitute an interlocking, multi - fluctuation process curve with peak and valle y values : the < & value of mz, o and sk values often increase accordingly from aeolian sands to its overlying fluvio - lacustrine facies or / and palaesols, the kg value heightens, too, and the sc / d value also basically consists with its change steps

    河湖相和古土壤與風成砂的mz 、 、 sk 、 kg以及sc d （粉砂粘土之和與砂的比值）構成一峰谷交替、犬牙交錯的鋸齒狀多波動過程線：常常是由風成砂至上覆河湖相或和古土壤， mz的值、 、 sk值相應增大， kg相應增高， sc d值亦與之變化步驟基本一致。
  20. Soils : investigation and testing - determination of minimal and maximal density of cohesionless soils

    土壤.調查與試驗.砂性土最大和最小密度測定
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