活土層 的英文怎麼說

中文拼音 [huótǔcéng]
活土層 英文
active layer
  • 活 : Ⅰ動詞1 （生存; 有生命） live 2 [書面語]（救活） save （the life of a person）:活人無算 （of a goo...
  • 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...
  1. The mechanical properties indicated that the improved exfoliation degree of mmts was essential for better properties of the nanocomposites, while the mechanical properties of interc alated nanocomposites were dependent on the structure of the organic modifiers 3

    有機蒙脫土層間有機物含量較高，有利於聚合物插層和mmt片層剝離分散。片層剝離分散程度大，有利於提高復合材料的力學性能；插層型復合材料的力學性能與表面活性劑分子結構有關。
  2. Until now there are contradictorily results regarding the dominant soc stabilization mechanisms, possibly depending on factors, such as ecosystem and soil type, soil depth, soil managements, as well as soil biological activity and community composition

    至今，有機碳穩定性的主導機制尚不清楚，但影響因素與生態系統類型、土壤類型、土層深度、土壤管理措施、土壤生物活性及群落組成等有關。
  3. It is usually found in the loose soil under grass or under a thick layer of humus

    這種蟲通常棲息在草地的鬆土里，或在厚厚的腐質層里生活。
  4. The copper, iron, nickel and silver deposits might be assigned to four metallogenic series : i. the metallogenic subseries of copper, molybdenum, gold, silver deposit related to late devonian - early carboniferous basic - intermediate - acid hypabyssal intrusive - eruptive rocks ; ii. the metallogenic subseriesof iron, copper, zinc deposits related to early carboniferous basic - intermediate - acid volcanic - intrusive rocks ; iii. the metallogenic subseries of copper, silver, iron deposits related to middle - late carboniferous basic - intermediate - acid volcanic - intrusive rocks ; iv. the metallogenic subseries of copper, nickel and platinum group deposits related to late carboniferous - early permian basic - ultrabasic rocks ; 3, division of regional major metallogenic belts on the basis of the previous work conducted and by following the principles, grounds and methods of the division of metallogenic belts, areas and fields, . in light of this, metallogenic belts of grade iv were divided

    1 、按照成礦系列理論的學術指導思想，將研究區華里西期銅礦床成礦系列劃分為四個成礦系列亞系列： 、晚泥盆?早石炭世延東?土屋?三岔口與中酸性巖漿侵入活動有關的cu 、 mo 、 au礦床成礦亞系列、早石炭世與巖漿作用有關的鐵、銅、金、銀礦床成礦亞系列、中石炭世與巖漿作用有關的cu 、 fe 、 ag 、 au礦床成礦亞系列、晚石炭世-早二疊世與幔源基性?超基性巖有關的銅、鎳、鉑族礦床成礦亞系列並從地層、巖漿巖、控礦構造、地球化學、成礦特徵等方面對各成礦亞系列進行了詳細論述。
  5. Based on the conclusions of the domestic and foreign researches on the utilization of land resources, this dissertation carries out the research on the sustainable utilization of land resources of liaocheng. in the research, the author selects 30 factors as the evaluated elements from the five norms of productivity, stability, protection, economic force and social acceptability to set up the evaluation system, evaluates the comprehensive level of the sustainable utilization of land resources of liaocheng in the time - and - place - based way from the multi - angles of single standard, and diagnoses the obstructions quantitatively by introducing the two definitions of “ the deviation degree from the standard ” and “ obstruction degree ”, then puts forward the concrete measures for the main obstruction factors in order to provide the scientific basis for the management and quantitative evaluation on the sustainable utilization of land resources of liaocheng

    本論文在借鑒國內外關于土地資源利用研究取得經驗的基礎上，對聊城市土地資源可持續利用進行針對性的實踐研究，從生產力準則層、穩定性準則層、保護性準則層、經濟活力準則層、社會可接受性準則層五個方面，選取30個因素作為參評因子，建立評價指標體系;運用單指標多角度和基於時點兩種評價方法進行綜合測算，評判出聊城市土地資源可持續利用綜合水平;引進「指標偏離度」 、 「障礙度」概念進行定量障礙診斷，並針對主要障礙因素提出可持續利用具體對策，為聊城市土地資源可持續利用和管理提供定量評價的科學依據。
  6. Designning well tube and drill - hole diameter in order to increase thickness of both annular packing gravel and water - resisting clay, nylon net packing around well tube filters, designing filter layer on the boundary between packing gravel and water - resisting clay and ramming the gravel by working the piston into the well after gravel packing completion and the filling clay for salt - water resisting etc. we succeeded in constructing 3 drinking - water wells in minqin county, proved the affectivity and feasibility of using it and giving a certain technical demonstration of construction of drinking - water well in the same similar to this area

    通過孔徑與管徑的調配設計，增大環狀粒料層和止水粘土層的厚度；濾水管外包尼龍紗網；粒料與止水粘土接觸界面上設計反濾層；填粒后先行拉活塞利用水力夯實粒料層，再投粘土球止掉上部鹹水等措施，在民勤縣三口人飲水井施工中取得顯著效果，證明了該套成井工藝的有效性和可行性，有望為同類地區人飲水井施工提供技術示範作用。
  7. The first geologic reason for degeneration of the eco - environment in the headwater area of the yellow river is that the increase of the recent geologic function caused desertification and grasslands resource decreased and underside changed, destroied the balance of water - air - heat in the area ; the second is that the water environment changes by the degradation and atrophy of frozen earth cause multilayer and synthesis cause of formation degeneration of the eco - environment ; the third is that the man and rats function accelerated degeneration of the eco - environment in the headwater area of the yellow river

    摘要黃河源區生態環境惡化的地質原因之一是現代地質作用增強，形成以荒漠化為主的草地資源退化與下墊面改變，地區水氣熱平衡破壞；二是因凍土退化、萎縮，引起水環境變異，導致多層面與綜合成因的生態環境惡化；三是人為及鼠類活動對源區生態環境惡化起著推波助瀾的作用。
  8. 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。
  9. The results indicated : ( 1 ) during the jointing stage of winter wheat, the differences of catalase activity among different measures of soil water utilization are significant in shallow soil, in which the catalase activity of furrow planting with straw mulch is the highest and that of row - spacing - reduced and close planting is the lowest ; ( 2 ) the trends of catalase activity versus depth are almost the same for different treatments, looking like an inverse s ; ( 3 ) for furrow growing without mulch, the activity of soil catalase in the furrow is higher than that in the ridge ; ( 4 ) soil catalase activity reflects some effects from different techniques of soil water utilization and may be used as a indicator for micro - eco - environment in the fields

    初步分析得出： （ 1 ）冬小麥拔節期，採用不同土壤水利用技術的冬小麥田淺層土壤過氧化氫酶活性差異明顯，以溝播不蓋秸稈處理的過氧化氫酶活性最強，縮行密植處理的最弱； （ 2 ）土壤過氧化氫酶活性隨深度的變化趨勢大體一致，呈反s形； （ 3 ）溝播不蓋秸稈處理溝中土壤過氧化氫酶活性明顯高於壟上； （ 4 ）土壤過氧化氫酶對於田間微生態環境具有指示作用，在一定程度上反映了土壤水利用技術對微生態環境的影響。
  10. Compared to bare land, soil water cycling on grassland with intensive transpiration was deeper in depth and greater in intensity

    與裸地相比，荒草地由於植被強烈的蒸騰作用，其土壤水分循環強度加劇，表現為活躍層、次活躍層以及蒸發蒸騰作用層深度增大。
  11. Thaw settlement cause negative friction. this paper base on the thought of " initiative cooling ", aim at three problems existing in common concrete pile used in frozen soil, a new type of pile is proposed to overcome the disadvantages of the classical pile used in frozen soil. pile body within active layer is fluted and refilled with porous materials such as gravels and ballasts, convection will be occur and then thermal exchange inside porous material in winter while only heat conduction exists in summer, as a result the soil around flutings will be cooled, so the top line of permafrost will be drive up

    本文基於「主動冷卻」地基的思想，以及針對凍土地區普通混凝土樁存在的三大問題，提出了一種新型樁的設計思路，運用數值模擬試驗手段對其冷卻機理與加固機理進行了系統研究，即在凍融活動層的深度范圍內，在混凝土樁身的表面刻槽，修築完時槽內填充碎石、塊石等多孔介質，通過外界大氣溫度的自然波動下多孔介質在冬季時存在的對流換熱機制，而在夏季只存在熱傳導，來達到主動冷卻樁周凍土和抬升凍土上限的目的。
  12. The phosphorus activation coefficient ( pac ) was generally lower in different soil layers and at different fertility levels in calcareous soils

    石灰性土壤中磷素活化系數pac在不同肥力土壤和不同土層中普遍較低。
  13. Based on the standard deviation and variation coefficient, soil water change in the profile could be divided into four layers by cluster analysis

    基於標準差和變異系數兩個指標，採用聚類分析，可將土壤剖面水分垂直變化劃分為四個層次：速變層、活躍層、次活躍層和相對穩定層。
  14. Seedlings may survive either through an early onset of the flood in the year after germination, or seedlings may survive through silty and clayey soil layers, which store water better than sand

    幼苗通過早的洪水或保持水分的粘土層可繼續活，長連通地下水的根，長成大樹。
  15. All kinds of natural and human factors, including climate, organism, landform, m other rock and material, and human disturbance, influenced the genesis and devel opment of soils in shunde ecological paradise, guangdong province

    廣東省順德生態樂園內的土壤形成發育受氣候、生物、地形地貌、母質母巖和人為干擾等5大因素的影響，其中人為活動是導致土層結構破壞和水土流失的主要原因。
  16. Abstract : all kinds of natural and human factors, including climate, organism, landform, m other rock and material, and human disturbance, influenced the genesis and devel opment of soils in shunde ecological paradise, guangdong province

    文摘:廣東省順德生態樂園內的土壤形成發育受氣候、生物、地形地貌、母質母巖和人為干擾等5大因素的影響，其中人為活動是導致土層結構破壞和水土流失的主要原因。
  17. The activity of phosphatase in soils went up with the increase of fertility levels and lowered with the deepening of soil layers

    土壤磷酸酶活性隨肥力水平的提高而提高，隨土層深度的加深而下降。
  18. Role of vegetation and climate in permafrost active layer depth in arctic tundra of northern alaska and canada

    植被和氣候對阿拉斯加和加拿大北部北極苔原地區多年凍土活動層厚度的影響
  19. It is concluded that the freezing and thawing process and the thickness of active layers change with the changes of ground characteristics, affecting the permafrost further

    結果表明，由於工程活動改變了場地下墊面性質，造成了不同場地活動層凍融過程、活動層厚度等的差異，進而影響了多年凍土變化。
  20. The change of heat and water process of the active layers at the engineering sites is intenser than that at the original surface site, and the permafrost stability of the engineering sites is lower than that at the original surface site

    凍融期間工程活動場地活動層的水熱狀態變化要比天然場地強烈而且差異較大，工程活動場地凍土的穩定性比天然場地低。
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