表層土 的英文怎麼說

中文拼音 [biǎocéngtǔ]
表層土 英文
to oil
  • 表 : Ⅰ名詞1 （外面;外表） outside; surface; external 2 （中表親戚） the relationship between the child...
  • 層 : i 量詞1 （用於重疊、積累的東西 如樓層、階層、地層） storey; tier; stratum 2 （用於可以分項分步的...
  • 表層 : skin layer; superficial coat; veneer; surface; sexine; bloom; supercrust; surface layer表層沉積 [...
  1. After analyzing purple soil sampled from neijiang, leshan ofsichuan provinec and yuanmou of yunnan province, the contrast results of microbe quantity feature between surface and subsurface purple soil were obtained as follows. the content of soil organic matter, total and available nitrogen, phosphorous and potassium of surface was higher than subsurface, not relating to the type of purple soil and soil utilization way. the quantity of microbe _ bacteria, actinomyces and mould in surface purple soil was higher than subsurface, which indicated that the organic matter and airy condition in surface soil was more suitable for microbes growing. there was the same tendency in profile change of microbe quantity in purple soil located in temperate _ humid climate of sichuan basin in contrast with dry _ hot climate of yuanmou, yunnan. the nutrient situation of purple soil in sichuan basin shown that state of surface was better than subsurface, while in yuanmou of yunnan the state was on the contrary due to the degradation of surface soil

    實驗室對四川內江、樂山和雲南元謀不同類型紫色土表層和亞表層微生物數量特性的比較分析表明：土壤有機質、氮磷鉀全量及其速效量均表現為表層高於亞表層，與紫色土類型和利用方式無關；三大類土壤微生物細菌、放線菌和黴菌數量均表現出表層高於亞表層，表明紫色土表層的有機質和通氣性優于亞表層，適宜於這三大類微生物生長；溫濕氣候條件下的四川盆地和乾熱氣候條件下的雲南元謀其紫色土微生物數量的剖面變化具有相同的趨勢，唯土壤營養狀況在四川盆地紫色土中表現為表層優于亞表層，而在雲南元謀紫色土中由於表層土壤的退化作用表現為亞表層優于表層的相反情況。
  2. In most cases, extracting oil involves chopping down the forest that blankets the region, draining the boggy ground, stripping off the topsoil and literally digging up the oily sand below

    在大多數情況下，要從油沙中提煉出石油需要先把覆蓋該地區的森林砍掉，排乾地面的水分，去掉表層土然後當然就是把地下的油沙挖出來。
  3. Early diagenesis in surface soil of yellow river delta

    黃河三角洲表層土壤早期成巖作用初探
  4. The estimation methods of water requirement, and determination of basal crop coefficient and soil evaporation coefficient under the controlled alternative furrow irrigation in summer maize were studied and verified in the fifth chapter

    （ 4 ）夏玉米田棵間土壤蒸發主要發生在灌后幾天表層土壤比較濕潤的時期內，其中表層土壤含水率和葉面積指數是影響土面蒸發的兩個基本因素。
  5. 3 analyzing particle size of the wind - blown sediment and surface soil indicate that the former in 0. 02mm - 0. 2mm occupy about 40 % and 55 % of sloping field and shoaly land of bashang, which shows that bashang is the erosion and desertification region or the latency. 4 the search of decreasing effect of wood strap indicates that in lower wind speed the effect is distinct

    3風蝕物及表層土壤顆粒粒徑分析表明，地表200cm高度內風蝕物粒徑在0 . 02mm 0 . 2mm之間；壩上地區坡梁地與灘地該粒徑范圍顆粒分別佔40和55左右，說明壩上地區是風蝕沙化或潛在風蝕沙化地區。
  6. Under flood conditions, great amounts of topsoil are washed to receiving streams.

    在洪水泛濫時，大量表層土壤被沖刷到承受的水流中。
  7. Magnetic characteristics of xuzhou urban topsoils

    徐州城市表層土壤的磁學特徵
  8. Magnetic response of metals in xuzhou urban topsoil

    徐州城市表層土壤中金屬元素的磁學響應
  9. Further confusing the issue were high surface soil tests for k

    表層土壤鉀測試值高又進一步混淆了問題。
  10. Since deep plowing of well - drained soils quickly decomposes organic matters in top soils, additional organic matters are needed

    因深翻排水良好的土壤使表層土壤中有機質迅速分解，所以必須施用有機質。
  11. Relationship between water character and yield component under different distribution patterns of winter wheat population

    毛烏素沙地不同林齡沙柳表層土壤水分空間異質性
  12. Since cotton is a tap rooted plant and dependent on sub - soil k, especially in mid - season, k supplies had become inadequate regardless of surface soil k levels

    因棉花為直根作物並依賴底土鉀，尤其是生育中期，無論表層土壤鉀水平如何，供鉀也會變得不足。
  13. Soil water resources and afforestation in loess plateau

    黃土高原表層土壤稀土元素含量及分佈特徵研究
  14. This paper first reports the difference of soil algae community makeup, microorganism amount, and soil phosphate activity between leanness soils and richness soils

    本篇論文首先進行了貧瘠土壤與肥沃土壤表層土中土壤藻類種群結構、微生物數量以及土壤中三種磷酸酶活性的對比研究。
  15. In australia, a shallow soil is scraped into ridges on which trees are planted.

    在澳大利亞把表層土壤作壟，果樹栽在壟上。
  16. This topsoil tends to wash away

    表層土壤要沖掉了。
  17. Control technologies on urban surface runoff pollution in china

    徐州城市表層土壤中硫與磁學參數的關系及其環境意義
  18. Environmental geochemistry of vanadium in topsoil in panzhihua mining area

    攀枝花礦區表層土壤中釩的環境地球化學研究
  19. The result shows soil masses in surface layer reach saturation more easily under great rainfall intensity and long - lasting rainfall, at the same time, there are big infiltration depth and influence of wetting deformation

    結果顯示，降雨強度越大、降雨持續時間越長，非飽和區土體含水率變化也大，壩坡表層土體較容易達到飽和，並且降雨影響深度也大，對壩坡表面濕化裂隙的產生及壩坡穩定性影響大。
  20. The main result is as follows : 1. after erosion, the content of organic matter, total nitrogen and the available nitrogen in the sediment is more than that of soil sample. namely the enrichment phenomenon of organic matter, total nitrogen and the available nitrogen in slope cultivated land erosion soil is obvious

    黃?土受侵蝕后，泥沙樣中有機質、全氮和堿解氮的含量都高於雨前採集的坡地表層土樣，即黃?土坡耕地水土流失中有機質、全氮和堿解氮流失的「富集」現象明顯，而全磷和速效磷卻無明顯的「富集」現象。
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