soil zone 中文意思是什麼

soil zone 解釋
土帶
  • soil : n 1 泥土,土壤;土質。2 土地,國土。3 滋生地,溫床。4 農業生活,務農。n 1 臟東西,污物,污穢,污...
  • zone : n 1 【地理】(地)帶。2 區域,范圍,界。3 〈古、詩〉(腰)帶。4 圈,環帶。5 【數學】(球面)帶;...
  1. This paper synthetically summarized current research on terrestrial nitrogen cycle and soil nitrogen cycle, meanwhile, uncertainties of terrestrial nitrogen cycle were discussed. the global diversified ecosystem nitrogen and carbon storage was comparative thoroughly estimated through different life zone. the global organic nitrogen storage was estimate by the c / n ratio

    Post等按照不同生物帶比較全面的估算了全球各種生態系統類型的土壤碳氮密度和含量, mcelroy等利用土壤有機碳儲量和碳氮比來估算了全球土壤有機氮儲量。
  2. There is a period of soil contents range from ten to twenty five days over the humid discussed area in summer, and the period is not obvious at the discussed zone of close oasis desert area in summer and winter. ( 2 ) soil temperature exits several periodic variations of different depths ranging from six to twenty four days in heihe region, and nine to thirty days in gaize and shiquanhe region. it also shows that gradient of soil temperature affects on the soil content movement more greatly in summer. ( 3 ) the land surface temperature of yangtze river lower region is retrieved from noaa - ahvrr data

    ( 2 )根據土壤溫濕資料,採用功率譜分析、 pca分析等方法,分析了兩種典型下墊面土壤溫度的時空分佈特徵及其對土壤水分運動的影響,發現研究區土壤溫度除日和年變化周期外還存在6 30天的不同周期;下墊面的非均勻性及其季節變化及溫度梯度變化對土壤水分運動有很大影響,冬季溫度梯度變化對土壤含水量影響大於夏季溫度梯度對上壤含水量變化的影響,且溫度梯度與水分運動方向相反。
  3. Through on - the - spot investigation and study of restoration of the function of water conservation, it ' s believed that under the underdeveloping circumstances of xinyang, comprehensive measures can be taken to protect key areas of water conservation and restore its vegetation step by step so as to reinforce its function, by transforming closely, establishing forbidden lumbering zone, planting grass in damp soil, spreading marsh gas and bringing low - lying beach land under control

    摘要通過實地調查,對信陽市淮河源水源涵養功能恢復展開研究,認為在目前信陽經濟還不發達的情況下,可以首先對重點水源涵養區採取綜合性保護措施,通過封閉性改造、禁伐區設立、濕地種草、推廣沼氣等措施,逐步恢復涵養區植被、生態多樣性和生物多樣性,增強淮河源水源涵養功能。
  4. It was shown that the physical property, electric resistivily and microstructure of soil in the slide area were different from those in the slope, and could be used to determine the slip zone, while the mineral ingredient and chemical composition could not be used generally to identify the slip zone

    研究結果顯示:黃土滑坡滑帶土的主要物理性質指標、電阻率特性、細觀結構特徵、微觀結構特徵與滑坡體及滑床有顯著差異,在實踐中可作為鑒別滑動面的標志;而滑帶土的礦物、化學成分沒有明顯的差異變化。
  5. Abstract : according to the chinese soil taxonomic classification ( revised proposal, 1995 ) and our data and information for classification of linze zone in the hexi corridor, the authors propose a taxonomic classification of soils of linze zone in the hexi corridor, in which all the soils are divided into 4 soil orders ( anthrosols, aridisols, gleysols and cambisols ), 4 soil suborders, 5 soil groups and 8 soil subgroups

    文摘:根據《中國土壤系統分類(修訂方案) 》 ( 1995 ) ,對河西走廊臨澤樣區土壤進行了系統分類研究,提出了臨澤樣區土壤系統分類方案:將土壤分為4個土綱(人為土、乾旱土、潛育土和雛形土) , 4個亞綱, 5個土類和8個亞類。
  6. With the rapid development of the economic construction in our country, high - grade highway construction is evolving with unexampled speed, a lot of highway pass soft soil zone

    隨著我國經濟建設的飛速發展,高等級公路的建設迎來了前所未有的發展速度。絕大多數公路都要經過軟土地區。
  7. The author analyzed the hindering factors during the process of sustainable development of black soil resources in the black soil zone of northeast china through field work and data collection, and probes into the countermeasures, which are strengthening agricultural development planning, arable land conservation in black soil zone, cultivated technology improvement and basic cultivated land conservation, of sustainable development of black soil resources in the black soil zone

    根據實地調研結合資料,分析了東北黑土帶土地資源可持續發展的主要問題;提出了黑土資源的可持續發展對策,即:加強農業發展規劃;保護黑土區耕地,農耕技術上改進,加強農田基本建設等。
  8. The asphalt base course, a different kind of base course, is scarcely used in china, needless to say in perennially frozen soil zone

    瀝青穩定基層屬于柔性基層的范疇,不同於無機結合料穩定的半剛性基層。
  9. The third - deepest soil zone in abc soil, unaltered by weathering and made up of the parent rock from which the two uppermost layers derive as well as other mineral materials

    剖面層abc土壤剖面層中深度排第三的剖面層,不受風化的影響,由上兩層及其他礦物組成的母巖所構成
  10. Subsurface runoff is obviously closely related with soil water movement in the unsaturated soil zone and dynamic change of the groundwater table. there - fore, it is necessary to develop the subsurface runoff model with a physical base associated with recharge on the aquifer and total storage in the reservoir. also a soil model with a dynamic representation of the groundwater table makes it possible and reasonable to represent a more logical subsurface runoff parame - terization

    地下徑流顯然與非飽和土壤層中的水分運動以及地下水位的動態變化密切相關,因而有必要發展考慮土壤含水量與潛水面science in china ser . d earth sciences 376中國科學d輯地球科學第36卷水分通量以及地下水位動態變化的土壤水模型相適應且具有物理意義的地下徑流模型;同時地下水位動態表示的土壤水模型也為發展更為合理的地下徑流模型創造了很好的條件
  11. ( 3 ) the hydrogeology parameters " acquisition and calculation principles of the deep well dewatering in the excavation in two - layer structure strata of soft soil zone. the acquisition and calculation method of hydrogeology parameters are discussed distraughtly according to different deep foundations

    (三)介紹了軟土地區深基坑降水二元結構地層相關水文地質參數的求取原則,並分別討論了相應求取方法。
  12. Finally, this paper initially builds up a synthesis atsm design method for such areas. we sincerely hope the achievement of this research can be applied to settle the destructions and improve the performances of base course in perennially frozen soil zone

    研究中,採用改進的大型馬歇爾試驗成型試件,試驗研究結果表明,瀝青穩定碎石各項路用性能優良,能夠滿足多年凍土地區公路瀝青穩定基層的使用要求。
  13. So analyzing the unique environment the highways there faces and researching the performance of asphalt mixes base course, and to imply a complete atsm ( asphalt treated stones mixes ) design method for base is an important question of our country ' s construction in wide perennially frozen soil zone

    目前我國瀝青穩定基層使用較少,在多年凍土地區更是空白,所以分析多年凍土地區公路所面臨的特殊自然環境,研究瀝青穩定碎石基層的路用特性,提出瀝青穩定碎石混合料的設計方法是我國廣大多年凍土地區公路建設的一個重要課題之一。
  14. Forst heaving and thawing settlement of subgrade in seasonal frozen soil zone

    季節凍土區公路路基細粒土凍脹敏感性研究
  15. Construction of subgrade in seasonally frozen soil zone

    融沉系數在季凍區高速公路路基凍害研究中的應用
  16. Through surveying and analysis by synthesis of the environment of qingzang highway and the damage condition of the highway ' s base course, this paper take experiments of the key performances of the atsm, discusses the standards of control indexes of atsm for base courses in perennially frozen zone. by all the results of such experiments, a conclusion is obtained that the strength and all the pavement performances properties of the atsm are good enough to be used to build the base course of highway in perennially frozen soil zone

    寒區半剛性基層強度較難形成,而形成板體的基層又大多出現嚴重的反射裂縫,影響了使用性能,因此,本文通過調查與分析青藏公路的自然條件和路面基層及面層的損壞狀況,對基層瀝青穩定碎石的強度、低溫抗裂、疲勞以及抗凍等各項路用性能進行了試驗研究,探討了多年凍土地區基層混合料的關鍵路用性能的各項指標。
  17. Discussion on buried seat of thermal insulation material for subgrade engineering in permafrost soil zone

    凍土地區路基工程中隔熱材料埋設位置的探討
  18. Technical code for buildings in swelling soil zone

    膨脹土地區建築技術規范
  19. A modified two - dimensional dynamic effective stress method is established and also the corresponding program presented in the paper. and the method is used for analyzing the effects of liquefaction of sand soil zone on surface ground motion and the response spectrum of acceleration 、 velocity and displacement

    本文在現有研究的基礎上,建立了一種土體二維有效應力動力分析方法並編制了相應程序,並以此計算分析了飽和液化砂層對地表加速度反應譜、速度反應譜、位移反應譜的影響。
  20. Application of thermal insulation material in plateau permafrost soil zone subgrade

    高原多年凍土區路基保溫材料的應用
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