酸性土 的英文怎麼說

中文拼音 [suānxìngtǔ]
酸性土 英文
acid clay
  • 酸 : 酸構詞成分。
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 酸性 : [化學] acidity; acidness; acerbic; acidic property酸性材料 acid material; 酸性促進劑 acid acceler...
  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. Soils that are acidified enhance the cadmium uptake by plants

    酸性的土地使植物更容易吸收土壤中的鎘。
  3. Such complexes might have affinity for detrimental inorganic oxyanions such as arsenate, a common toxic contaminant in soils. the purpose of this study is to investigate the influence of environmental conditions on the adsorption of arsenate on fe - oxyhydroxide - monlmorillonte complexes, which is significant to agrology, geochemistry and environmental science

    本研究即以南方的土壤環境條件為參考，模擬在ph = 5時的酸性氧化條件下，土壤中低聚合羥基鐵?蒙脫石復合體的形成、物化性特徵及其吸附砷酸根陰離子的行為。
  4. The methods for synthesizing p - hydroxyl ethyl benzoate catalyzed by sulfuric acid, p - toluene sulfonic acid, amino sulfonic acid, strongly acidic cationic exchange resin, ferric chloride hexahydrate, aluminum chloride hexahydrate, stannic chloride pentahydrate, copper sulfate, titanium sulfate, rare earth metal oxide, sodium bisulfate monohydrate, solid super acid and heteropoly acid and so on are reviewed

    摘要評述了硫酸、對甲苯磺酸、氨基磺酸、強酸性陽離子交換樹脂、六水合三氯化鐵、六水合三氯化鋁、五水四氯化錫、硫酸銅、硫酸鈦、稀土金屬氧化物、一水硫酸氫鈉、固體超強酸、雜多酸等催化劑催化合成對羥基苯甲酸乙酯的方法。
  5. The synthesis methods of isobutyl acetate catalyzed by p - toluene sulfonic acid, amino sulfonic acid, strongly acidic cationic exchange resin, ferric chloride hexahydrate, cupric chloride bi - hydrate, stannic chloride pentahydrate, ammonium ferric sulfate dodecahydrate, sodium bisulfate monohydrate, potassium bisulfate, chitosan sulfate, sodium dihydrogen phosphate, rare earth metallic oxide, solid super acid, heteropoly acid and molecular sieve etal were reviewed

    摘要評述了對甲苯磺酸、氨基磺酸、強酸性陽離子交換樹脂、六水三氯化鐵、二水氯化銅、五水四氯化錫、十二水合硫酸鐵銨、一水硫酸氫鈉、硫酸氫鉀、殼聚糖硫酸鹽、磷酸二氫鈉、稀土金屬氧化物、固體超強酸、雜多酸和分子篩等催化劑催化合成乙酸異丁酯的方法。
  6. Younger leaves faded green and lusterless ; older leaves marginal scorch, interveinal blotchy chlorosis, necrotic patches bleaching and withering ; characteristic of some soil acidity conditions

    甜菜錳和鋁合併中毒：幼葉褪綠失去光澤，老葉邊緣枯黃，脈間有壞死褐色斑點，接著白化，枯萎。這是酸性土壤特有的。
  7. In acidic soils, its toxicity is considered to be the most limiting factor for plant productivity. based on an estimate of the world ' s potentially arable land resources, it has been estimated that most of the cultivable area ( 78. 4 % ) is composed of acid soils

    全世界有39 . 5億hm ~ 2酸性土壤，其中可耕土壤面積為1 . 79億hm ~ 2 ，如何解決酸性土壤的鋁害問題已經是不容忽視的一項重要課題。
  8. Garden hydrangeas ' color can be manipulated with the soil ph. pink and red hydrangeas turn blue and purple in acid soils, while blue hydrangeas turn pink in alkaline soils

    庭院八仙花屬的顏色可以指示土壤的ph值。粉紅和紅色的八仙花轉變成藍色和紫色表示酸性土壤，而藍色的八仙花轉變成粉紅色則表示在堿性土壤。
  9. Molybdenum deficiency is found when legumes are grown on acid soils.

    在酸性土壤上種植豆科作物時常發現缺鉬。
  10. Severe “ whiptail ” condition in field specimen from and acid soil. bare midribs or very narrow residual lamina

    甘藍缺鉬「鞭尾癥：在田間試驗和酸性土壤上有嚴重的鞭尾癥狀，中脈突出，狹小的葉片殘留。
  11. Acid soils often contain substantial concentrations of iron and aluminum hydroxides

    酸性土壤富含鐵和鋁的氫氧化物。
  12. Sugar-factory lime sludge had a more favorable influence in improving the structure of acid soils than limestone.

    糖廠的石灰沉渣，在改良酸性土結構上，要比石灰石粉有更良好的影響。
  13. In addition to nutritional factors, the productivity of many acid soils is affected by physical factors that include low water holding capacity （ oxisols, spodosols ） and susceptibility to crusting, erosion and especially compaction （ oxisols, ultisols ）

    除了養分因素外，許多酸性土壤的生產力受物理因素的影響，包括持水量低（氧化土，灰化土）和對結殼、侵蝕及特別是壓實（氧化土、老成土）敏感。
  14. The cold, sour northern soils are excellent for potatoes, while beans are an important summer crop.

    北方寒冷的酸性土壤極適合於馬鈴薯的生長，而大豆則是一種重要的夏季作物。
  15. Study on selection of slope protection plantation varieties in acid soil mine area reclamation

    酸性土壤礦區復墾中護坡植被品種篩選研究
  16. Aluminum ( al ) is one of the most abundant elements present in the earth ' s crust

    鋁毒害是酸性土壤上限制植物生長發育的主要因素之一。
  17. Aluminum ( al ) toxicity is one of the most deleterious factors for plant growth in acidic soils because over 50 % of the world ' s potentially arable lands are acidic

    摘要全世界50 %以上潛在的可耕地屬于酸性土壤，鋁毒害是酸性土壤上植物生長最有害因素之一。
  18. Al toxicity is a major limited factor for crop production and quality in acid soil, and it has become the focus of ongoing research in the area of plant stress physiology and genetics

    鋁毒是酸性土壤影響作物生長的主要原因，已成為植物脅迫生理學與遺傳學的重要研究內容。
  19. This climate make latosol usually as acidic, low levels cation exchanges capacity and low lever base cations, high levels of exchange al, with a high potential for leaching of plant nutrients

    這種氣候條件使磚紅壤成為強酸性土壤，陽離子交換量和鹽基飽和度低，鋁飽和度高，化肥通過淋溶損失過程就更為突出。
  20. The study mainly introduced some aspets as follow : the reduction of the soil acidity, the eli mination of toxicity of al, fe and mn to the root system, the improvement on acidic soil, the effect on crops yield, as well as the agricultural application of lime in home and abroad and the calculational methods of the required quantity of acidic soil in application

    摘要主要介紹了生石灰降低土壤酸度、消除鋁鐵錳對根系毒害作用、對酸性土壤的改良作用、對作物產量的影響等方面，以及生石灰在農業生產上的國內外應用情況和酸性土壤施用生石灰需要量的計算方法。
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