次表土 的英文怎麼說

中文拼音 [cìbiǎotǔ]
次表土 英文
subsurface soil
  • 次 : Ⅰ名詞1 （次序; 等第） order; sequence 2 [書面語] （出外遠行時停留的處所） stopping place on a jou...
  • 表 : Ⅰ名詞1 （外面;外表） outside; surface; external 2 （中表親戚） the relationship between the child...
  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 results indicated that, the total quanlity of major soil microbes declined, of which the minesoils was decreased by 68. 43 % ~ 80. 32 % in the top soil ( 0 - 20cm ) compared with that of the non - minesoils. the proportion of bacteria and actinomyces in the amount microbes decreased, while that of fungi not obviously changed

    結果表明：海洲香薷是銅礦區典型的耐銅性植物（ elsholtziaharchowensis ） ，植物體中的重金屬元素含量表現為cu zn pb cd ， cu與土壤元素的相關性最為顯著，其次為zn 。
  3. The nitrogen fixation in alpine meadow ecosystem is mainly accomplished by anaerobic nitrogen fixing bacteria. both ammonification and nitrification are the highest in 0 cm 10 cm soil depth

    從不同植被類型土壤的表層中各生理群菌數的平均值來看，反硝化細菌的數量最高，嫌氣性自生固氮菌次之，再次為氨化菌和硝化菌。
  4. It can be seen from the results that the control beam had good plastic property in the static failure experiment after two million fatigue loading circles. all specimens with corroded main bars were failure under the fatigue loads within one million fatigue circles. fatigue lifespan of reinforced concrete beam was sharply shortened after main bars corroded in it and the beam was destroyed bristly without any prediction

    試驗結果表明，振動測試不能夠對銹蝕鋼筋混凝土梁的疲勞破壞做出可靠的預測;對比梁在經過200萬次疲勞循環加載后的靜力試驗中仍表現出良好的延性破壞特徵;銹蝕梁在100萬次疲勞循環內均因主筋疲勞斷裂而破壞;主筋銹蝕使得梁的疲勞壽命急劇縮短;梁發生脆性破壞而沒有徵兆。
  5. It was the first time that the nano - ceria and aqueous polyurethane was combined together, the microemulsion of aqueous polyurethane coating ceria nanoparticles was obtained and characterized. the results showed that the ceria is combined with polyurethane by electrostatic action, chemical bond and absorption media action

    首次將稀土納米ceo2和水性聚氨酯復合，得到了包覆有ceo2納米粒子的水性聚氨酯微乳液，表徵結果表明， ceo2和聚氨酯通過靜電作用、化學鍵作用和吸附層媒介作用結合在一起的。
  6. Regard - ing the surface runoff mechanism, liang and xie 1, 2 presented a new surface runoff parameterization which dynamically represents both the horton and dunne runoff generation mechanisms within within a model grid cell together with a consideration of the subgrid - scale het - erogeneity, which can be applied to not only humid regions but also droughty regions as well 3, 4. regard - ing the soil water movement, xie et al. 5 developed an unsaturated flow numerical model based on the finite element method, and xie et al. 6 presented another numerical model to compute soil moisture and water flow flux together by means of a mixed finite element method

    在地表徑流方面，文獻1 3發展了一種同時考慮蓄滿超滲產流機制及次網格非均勻性的新的徑流機制模型，並用其改進了陸面模式vic variable infiltration capacity中的徑流計算，該模型既適用於濕潤地區也適用於乾旱地區4 .在土壤水模型方面，文獻5採用有限元質量集中法發展了非飽和土壤水流的數值模型，文獻6則採用混合有限元法建立了非飽和土壤水分含量和通量計算的數值模型
  7. 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。
  8. Utilization methods influenced aggregation degree of microaggregate of purple soil, the aggregation degree were in such order : grassland > forestland > garden plot > cropland, aggregation degree of microaggregate in soil developed from jas group was least, and that of j3s group was maximal

    紫色土微團聚體團聚度受利用方式影響較大，團聚度次序表現為草地林地園地耕地，沙溪廟組發育土壤微團聚體的團聚度最低，遂寧組最高。
  9. Following is the factors ideating with the surface of old concrete in different way ( including brushing surface, chiseling surface, cleaving surface ), adherence agent ( including cement slurry, cement sand slurry, cement slurry with the u expansion agent ), the freeze - thaw circulation times and air - entraining. as a result, we found that the roughness influence on the adhesion capability of the new on old concrete to a large degree. the larger rougeness is, the larger the splitting tensile strength on the adhension face is. the kind of adhesion agent is also influence on the adherence capability of new on old concrete. the circulation times of freez - thaw have a large influence on the splitting tensile strength of adherence face of new on old concrete. the analysis of tests give some advices to the practical engineering

    主要考察了老混凝土表面不同處理方式（刷毛面，鑿毛面，劈裂面） 、界面粘結劑類型（水泥凈漿，水泥砂漿， u型膨脹劑水泥漿） 、凍融循環次數等對新老混凝土粘結面劈拉強度的影響，以及凍融作用下新混凝土加氣對粘結面劈拉強度的影響。試驗結果表明，粗糙度對新老混凝土粘結性能有重要影響，隨著粘結面粗糙度的增大，粘結面劈拉強度不斷增加；界面粘結劑類型對新老混凝土粘結性能有一定影響，在凍融作用下， u型膨脹劑水泥漿粘結效果不如水泥凈漿和水泥砂漿；凍融循環對粘結面劈拉強度有較大影響，加氣能明顯改善新老混凝土粘結面的抗凍能力。
  10. 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。
  11. The main results are following : ( 1 ) the variation of clay / silt ratio can indicate the secondary clay action of dust depositions ; the variations of magnetic susceptibility and total fe content are inferred to be records of the changeable intensity of bio - pedogenesis ; the variations of sr content and rb / sr ratio can indicate bio - pedogenesis, dissolving and leaching action ; the content of total organic carbon ( toc ) can reflect variation of climate and vegetation during soil formation, it indicates the intensity of weathering and bio - pedogenesis ; the content variation of caco3 can show the intensity of dissolving - leaching action and secondary deposit, which was noted as pseudomycilia in pores and fissures in the sediment, so it can indicate the intensity bio - pedogenesis quite well. these proxy indexes also reflect obvious regional difference of pedogenic environment and the intensity bio - pedogenesis ; namely, secondary clay action, dissolving - leaching action and bio - pedogenesis are all much stronger in south than that in north

    實驗結果表明：粘粒粉沙比值能很好地指示粉塵堆積物的次生粘化作用；磁化率和全鐵很好地指示生物風化成壤作用； sr和rb sr比值能很好的指示生物風化成壤作用和淋溶作用；總有機碳（ toc ）含量的高低，在一定程度上反應了土壤發育過程中氣候和植被狀況的變化，指示著成壤過程中腐殖質化的程度； caco3含量的變化，可以反映了黃土古土壤形成時的風化成壤作用的強弱程度，指示成壤過程中的淋溶作用和次生碳酸鹽化作用；並且各指標所指示的成壤環境和成壤強度存在明顯的區域差異，即渭河流域土壤的生物風化成壤作用、次生粘化作用和淋溶作用均表現出南部強于北部。
  12. The germination rate of sclerotia increased with temperature rose, mathematical relation of germination rate and temperature were set up

    首次報道了不同生境下菌核能在土層下侵染水稻表現典型病斑。
  13. Standard specification for materials for soil - aggregate subbase, base, and surface courses

    土壤集料次底層底層和表層用料標準規范
  14. Pcr amplification using 2 degenerate primers for nitrogenase fe protein gene was performed with chromosomal dna isolated from the 29 isolates. the result suggested that a nifh amplicon of 323 nucleotides was detected in 7 isolates and the 7 isolates are c4 c5 g1 g2, w5 t1 and t7. these pcr amplified fragments were cloned, and sequenced

    首先利用芽孢桿菌中芽孢的抗熱性將土壤溶液在100沸水中煮10 - 15分鐘，然後用選擇性無氮培養基進行初篩得到29株菌落形態不同的菌株；接著用固氮酶結構基因nifh的特異性引物對這29株菌進行pcr擴增，結果表明其中7個菌株具有nifh基因，這7個菌株的編號依次為： c4 、 c5 、 g1 、 g2 、 w5 、 t1和t7 。
  15. The theoretical analysis shows that any human activities, responsible for the changes of rock, air, water, soil and biology inside or outside the caves, will influence inevitably cave animals in terms of such levels as molecule, cell organelle, cell, tissue, organ, system, individual, population, society and ecosystem. these effects can be observed on cave animal ' s shape - building, activity, tissue structure, metabolism, space - time distribution, biothythm, structure of population and society, food chain, bio - relation, diversity of population and society, and function of the above - mentioned levels

    理論分析表明，凡是能夠引起地表和洞穴巖石、空氣、水、土壤、生物等變化的一切人類活動都不可避免地使洞穴動物在分子、細胞器、細胞、組織、器官、系統、個體、種群、群落和生態系統各級層次上產生效應，這些效應具體表現在影響洞穴動物形態建成、行為、組織結構、新陳代謝、時空分佈、生物節律、種群和群落結構、食物鏈結構、生物關系、種群和群落多樣性以及各層次所表現的功能的多少、快慢、強弱等方面。
  16. 4. soil respiration emission of co2 at testing woodland and uncovered land changes sensitively with the three factors, such as soil temperature, vegetation and humidity. but it is mainly controlled by soil temperature, secondly humidity and vegetation

    對林地和裸地土壤coz釋放量觀測中，溫度是影響土壤coz釋放量的主要因子，其次為土壤濕度和地表植被。
  17. The bats can simulate well on the temperature value and change of surface soil and subsurface soil, which can reflect very well that the daily changed temperature of subsurface is obviously lower than that of surface. snowmelt is considered in the computing of mohe ' s soil temperature, which decrease the effect of forced comeback. in the result, the characteristics of temperature stablization in snowmelt time span and the variety trend in other time span also are well simulated

    2 ） bats模式對漠河表層和次表層土壤溫度的變化趨勢及量值有很好的模擬性能，能夠反映出次表層土壤比表層土壤溫度日變化幅度明顯減小的特點，在對漠河融雪期間土壤溫度的計算過程中，考慮了雪融，減小了強迫恢復作用，對融雪期間溫度穩定少變的特點也能很好地模擬出來。
  18. The results of static evaluation show that ore mining fee is the main part and amortization of both building and equipment and major materials fee are the secondary parts in the total cost of pithead heap - leaching mining

    靜態評價結果表明，在坑口堆浸總成本中，礦石開采費用佔了相當份額，其次是土建工程及設備設施攤銷費用、原材料費用。
  19. Therefore, metals moving upwards from mineralizations may be absorbed and form weak geochemical anomalies ( weak signals ) in surface loess. the metals can be effectively extracted by neutral salt. loess - covered area in china is primarily distributed at the semiarid region, the secondary carbonates, which were formed after precipitation of ions through evaporation and capillary processes, are widespread in the surface soil

    黃土覆蓋區主要分佈在乾旱半乾旱地區，次生碳酸鹽在地表土壤中普遍存在，蒸發所產生的毛細作用、地氣流的上升作用等所帶入的各種形式金屬元素，在地表土壤（黃土）與碳酸鹽發生共沉澱或被吸持。
  20. The damaged results indicated that energy consumption was the largest environment burden for beijing cement production, and then the land occupation and land conversion ; the normalized and weighted assessment showed that the environmental burdens, especially for the damage to human health and ecosystem quality, was becoming more and more serious with the increase of eco - indicator value of beijing cement production

    特徵化計算表明，對環境影響最大的因素是能源消耗，其次是土地佔用與破壞；標準化與歸一化分析表明，近年來，北京水泥生態指數不斷增加，水泥生產對環境造成的負擔進一步加劇，尤其是對人類健康和生態系統質量的影響。
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