覆蓋層下的 的英文怎麼說

中文拼音 [céngxiàde]
覆蓋層下的 英文
infratectal
  • : 動詞1. [書面語] (蓋住) cover 2. [書面語] (底朝上翻過來; 歪倒) overturn; upset 3. 同 「復」 (Ⅱ1. 2. )
  • : 蓋名詞(姓氏) a surname
  • : 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...
  • : 下動詞1. (用在動詞后,表示由高處到低處) 2. (用在動詞后, 表示有空間, 能容納) 3. (用在動詞后, 表示動作的完成或結果)
  • : 4次方是 The fourth power of 2 is direction
  • 覆蓋 : 1 (遮蓋) cover; overlap 2 (植被) plant cover; vegetation3 (保護層 覆蓋物) cover; covering; ...
  1. The earth surface of the region across it is mostly thicker humus soil or leaf falling covering layer, and has good heat reserving property, it is mostly weathering shingle, soil - aggregate mixture, and clay - gravel 0. 5m - 4. 0m under it, and weathering rock

    所經地區地表多為較厚腐殖土或落葉,其保溫性良好,0 . 5 ? 4 . 0米多為風化沙礫、碎石土和礫石土, , 4 . 0米以為風化巖石。
  2. In this paper matlab and vb are used to build a software which can predict absorption coefficient ' s of the underwater anechoic coatings from these analytical models. finally, some algorithm of the single parameter minimization, nonrestraint nonlinear minimization and restraint minimization in the optimization design theory are studied. the formulas of absorption coefficient of these analytical models are object functions

    本論文利用各種解析模型聲學設計理論,使用matlab與vb軟體建立了一套水消聲吸聲系數預報軟體,研究了最優化設計中單參數最小化、無約束非線性最小化和有約束最小化理論一些演算法,利用現有模型吸聲系數計算公式作為目標函數,初步優化了一些結構材料參數。
  3. An overview of research on reasonable cover thickness for underwater tunnel by drill - blasting method

    隧道鉆爆法施工合理厚度研究評述
  4. The types of impedance transition and of composite resonant are now widely used, but the research in this area is not perfect. in this paper analytical means is used to study absorption coefficient ' s prediction models. diversified cavity structures and material parameters are analyzed in detail in order to the anechoic coalings " acoustical design

    現代應用吸聲基本是阻抗過渡結構或復合諧振吸聲結構,但我國在這一領域研究卻不盡如人意,針對水消聲吸聲系數預報及聲學設計問題,本論文利用多種解析方法研究聲學模型,並對各種模型聲腔結構和材料參數做了詳細分析,為消聲聲學設計打了良好基礎。
  5. 3. the distance of metal wire and ground is smaller, the effective permeability leff, quality factor q and resonance frequency srf is also smaller ; the coil turns increases leff will increase, the q value and resonance frequency srf will drop ; the line width increases leff will drop, resonance frequency srf will increase and the q value is nearly invariable ; the via size, the pad layer size and thickness is little effect the effective permeability leff and resonance frequency srf but seriously influence q value

    3金屬導線離地距離越小,有效電感值leff 、品質因子q 、自諧振頻率srf也越小;線圈圈數增加, leff增加, q值和自諧振頻率srf降;線寬增加, leff降自諧振頻率增大q值幾乎不變;通孔大小、大小及厚度對有效電感值leff和自諧振頻率srf沒有多大影響,但對q值影響較大。
  6. Whether placement of nitrogen fertilizer below the layer of crop residue will reduce nitrogen immobilization is not clear

    對于把氮肥施在植物殘體是否會減少氮固定,這個問題目前尚不清楚。
  7. Based on experimental result of energy dissipation and scour protection for downstream of spillway at yu jian kou power station, this paper discusses the flow characteristics, aerated characteristics of flaring gate pier for low dam pivot, the influence on pressure of dam surface and the result of energy dissipation for flaring gate pier. it is put forward to be an available method to solve the problems of energy dissipation and scour protection for depth of covering strata, poor geologic condition and weakness of resistance to scour capability under reasonable use of flaring gate piers and auxiliary dissipaters. thus, a new method is obtained for release of floodwater and energy dissipation of low dam pivot which are provided with low water head, great unit discharge and low froud coefficient. it may be used for reference for design and test workers

    結合魚劍口電站壩消能防沖試驗研究成果,對低壩樞紐寬尾墩水流特點、摻氣特性、寬尾墩對大壩泄流能力和壩面壓力影響以及寬尾墩消能效果等問題進行了初步探討,提出了合理地使用寬尾墩結合輔助消能設施可有效地解決壩深,地質條件差,抗沖能力弱低壩樞紐消能防沖問題,從而為具有低水頭,大單寬流量,低佛氏數特點低壩樞紐泄洪消能開辟了一條新途徑,可供有關低壩樞紐設計與試驗工作者借鑒與參考
  8. In the light of the low - lying pile cap foundations designed for main piers no. 2 and no. 3 of tianluo bridge on wenzhou - fuzhou railway. this paper describes the ways to resolve the construction problems of the foundations in deep water in sea and at seabed that is steep and without overburden, using the construction techniques of underwater rock blasting, steel cofferdam floating, positioning, bottom sealing and manual pile digging

    摘要針對溫福鐵路田螺大橋2號、 3號主墩設計上採用低樁承臺基礎情況,介紹運用水巖石爆破,浮運鋼圍堰就位、封底、人工挖孔樁等施工技術解決海上深水、河床陡峭且無基礎施工難題。
  9. According to the documentation collected from domestic and abroad wang wei dong who works in huadong architect and structure institute utilizes the similar work property between the underground continuous wall and pile subjected the vertical loads, and introduces poulos method of elasticity and plastic which applies to pile foundation into the calculation for subsidence of underground continuous wall. pujialiu and yu yuzhou from water and electronic engineering of qinghua university, according to the result of three axes, define the concrete parameter utilize the model of non - linear e - b combined with the design cross section of dam in xiaolangdi, yellow river accept the total stress programme of thepd dam, and we analyze the stress and displacement of plastic concrete diaphragm wall by finite element method in comparison with the result of common concrete one. at same time, we consider the effect of the character of plastic concrete diaphragm wall which is composed of different gradients and adopting the level of stress and pulling stress infers whether the plastic concrete diaphragm wall is safe or not

    連續墻是一種歷史較短施工方法,目前,砼防滲墻設計還是以傳統設計方法為主,根據查找國內外文獻資料,華東建築設計院王衛東利用地連續墻與樁在豎向荷載作用工作性能有相似性,將適用於樁基poulos彈性理論引入對地連續墻沉降計算中;清華大學水利水電工程系濮家騮、于玉貞根據三軸試驗結果確定混凝土參數,利用非線性e - b模型,結合黃河小浪底土石壩設計剖面,採用thepd土石壩總應力程序,對深塑性混凝土防滲墻應力、位移進行有限元分析,並與普通混凝土防滲墻計算結果加以對比,同時分析了不同配比塑性混凝土特性影響,並採用應力水平和拉應力數值來判斷塑性混凝土防滲墻安全程度。
  10. In this project, the maximum height of the dam is 81m, but the deep overburden in the riverbed has the depth of 147. 95m which is about two times of the maximum height of the dam body, so the seepage and liquefaction prevention of the dam foundation becomes the key and important problem in the design of the dam project. the static stress and deformation under three different projects - horizontal blanket project, clay core project and asphalt core project - for the dam is analyzed comprehensively. the damage that may be induced by variable factors on the dam body in time of engineering completion and water impounding operation period is seriously studied

    其次,將這一模型用於分析坂地水利樞紐工程,由於該工程河床深度最深達147 . 95m ,是壩體高度近兩倍左右,壩基滲流和液化成為壩體安全主要問題,本文對該壩三種設計方案即水平鋪防滲方案、粘土心墻防滲方案及瀝青心墻防滲方案靜態應力位移及壩體在竣工期、蓄水期等各個階段可能產生破壞進行了認真研究。
  11. The choice dam type is especial importance, during the designed research of the rock - fill dam, particular under the rock - fill dam with very deeply cover layer, the stress and strain of the middle wall and cutting interpenetration wall of the dam foundation is mostly sensitive, whether the. design of dam is scientific and reasonable, it is very important for cutting interpenetration and stability of the dam, the article offer the reference for the design of cutting interpenetration in the foundation with deep cover with earth the water conservancy in xiaban zone, based on the study and analysis the design of cutting seep in the foundation with deep cover with earth, cutting interpenetration concrete wall and the joining model of cutting interpenetration material in body of dam and the applying effect in the practical worko based on the foundation which absorbed and summarize the achievement of design and research in the inter and outer country, for the project of the clay vertical middle wall and vertical cutting interpenetration, the asphalt concrete vertical middle wall and vertical cutting interpenetration the clay inclined middle wall and the lever carpet layer cutting interpenetration, respectively in terms of the different stage of complete period sluice period and working condition, adopting nonlinear calculate and analysis with the finite element method ; carrying the analysis and study with the 3d finite element method as to the different joining model of the left bank high slope cutting interpenetration body and the foundation concert cutting interpenetration wall ; carrying the analysis and study with the 3d finite element method as to the effect of the wall stress and strain because of the different elasticity modulus of the concert cutting interpenetration wall through the analysis and study with the different project. have comparatively all - around comprehended the various model dam, particular the distribute rule of stress and strain of the cutting interpenetration system, provide for the important evidence of the plastic area size the join model of the foundation cutting interpenetrate wall and dam body cutting interpenetrate system the choice of the dam model and the design of the structure of the dam body, the result of research and advice have very importance value in design and building for the similarity project

    工程設計中,壩型選取顯得尤為重要,特別對于壩基有深厚堆石壩,心墻和壩基防滲墻應力和變形是壩體、壩基最敏感部位,設計方案是否安全、科學和合理,對大壩防滲和穩定起到至觀重要作用。本文研究分析了國內外深厚基礎防滲設計、壩基混凝土防滲墻與壩體防滲體銜接形式及工程實際應用效果,為坂地水利樞紐工程深厚基礎防滲設計方案選擇提供了參考;在吸收和歸納了國內外堆石壩設計研究成果基礎上,對粘土心墻和壩基垂直防滲方案、瀝青混凝土心墻和壩基垂直防滲方案以及粘土斜心墻和壩基水平鋪防滲方案,分別按竣工期和蓄水運行期不同工作情況進行了有限元非線性計算分析;對左岸高陡邊坡大壩防滲體與基礎混凝土防滲墻不同結合型式進行了三維有限元靜力計算分析和研究;對混凝土防滲墻不同彈性模量對墻體應力和變位影響進行了三維有限元靜力計算分析和研究。通過對不同方案計算分析和研究,比較全面了解了各方案壩體,尤其是防滲體應力和變形分佈規律,為壩型選擇、壩體結構設計、基礎防滲墻與壩體防滲體結合型式以及塑性區大小確定提供了重要依據。
  12. After storage for a long time, a layer of li2co3 and absorbed species ( h2o, co2and o2 - ) will appear on the surface, and a thin nio - like layer will be formed on the near surface of linio2 material

    長期貯存linioz電極材料將在表面形成一包含lizco3 、 hzo 、 co :以及殘余活性氧物種02 .在內,以及在近表面生成一類似nio立方巖鹽結構鈍化,從而導致其電化學性能降。
  13. A solid - waste containment system can be simplified as a slope which contains a layer of geomembrane ( which is simplified as interlayer slope in the rest part ). shaking table model test and numerical analysis have been done to study the seismic stability of interlayer slope based on the two - part wedge theory in this paper. many factors which affect the slope stability ratio, including horizontal seismic coefficient, slope angle, soil - geomembrane interaction coefficient, slope length, layer thickness and soil character, have been took into consideration

    填埋場防滲基坑邊坡可以簡化成含土工膜夾土坡(以簡稱夾土坡) ,本文根據「雙滑楔體」理論思想,對夾土坡地震穩定性問題進行了較為系統模型試驗和數值分析,著重考慮了水平地震系數、夾土坡坡角、土工膜與土體摩擦系數、夾邊坡長度和厚度、夾土坡土體性質等因素對土坡安全系數影響,並對地震作用土坡永久變形進行了初步研究,給出了對實際工程設計有參考價值結論。
  14. To make the thermal efficiency best, y, a, av / as should be : r : [ 60 - 75 ] a : [ 1 - 1. 5 ] av / as : [ 0. 8 - 1 ] in this paper, numerical model of solar radiant floor heating system is also built. the model of numerical model is solved by finite differance method. the smaller the distance to the tube is, the higher the temperature on the surface of the floor is

    地板表面相鄰兩管間水平方向溫度分佈:距離加熱管越近,溫度越高;兩管中間處溫度最低;供回水溫差越小,地板表面溫度分佈越平緩;在供回水溫度和排管間距均一定情況,地板厚度越大,其溫度分佈越為平緩,對應地板表面溫度分佈越均勻。
  15. In this paper the friction piles are used in zipingpu multi - purpose dam construction project, the spillway in the side slope is covered with overburden, the horizontal area is from sp. 0 + 200m to sp. 0 + 280m, the elevation is about from el. 810m to el. 950m, there is hard and integral rock under the overburden, which provides enough anchor ability, and it ' s requirement to set the friction pile at the appropriate place ; in order to improve the slope stability that suitable excavation or weeding off the disadvantage load on the landslide are good measures, for the scarp it ' s better to reduce the slope

    摘要紫坪鋪水利樞紐工程溢洪道樁號0 + 200 ~ 0 + 280 、高程810 ~ 950m范圍內側邊坡為邊坡,坡體部有較為完整堅硬巖石,具備提供足夠錨固力條件,在適當位置可以考慮設置抗滑樁,再通過適量開挖提高邊坡穩定性,或將滑坡體上部不利於穩定荷載挖除,對于陡坡坡面可以將坡削緩,則效果會更好。
  16. Experiments in kentucky tend to show the same degree of immobilization when nitrogen is placed on crop residue or when placed below the residue layer

    但肯塔基試驗結果似乎表明:無論把氮肥施在植物殘體上還是施在,氮固定程度相同。
  17. In terms of the regional perspective, the distribution characteristics of ground collapse are controlled by topography and geomorphology, geological structures, groundwater, karst development level, covering layers and human engineering activities

    從區域上看,地面塌陷分佈特徵受地形地貌、地質構造、地水作用特徵、巖溶發育程度、條件和人類工程活動等控制。
  18. Metallic and other inorganic coatings - genenal rules for corrosion tests applicable for storage conditions

    金屬和其它無機儲存條件腐蝕試驗一般規則
  19. The smaller the the difference of the temperature of feedwater and backwater is, the more evenly and slowly the temperature distribution is. the smaller the thickness of overburden layer and the distance of two tubes are, the more evenly and slowly the temperature distribution is

    在供回水溫度和厚度均不變條件,排管間距越小,其溫度分佈越為平緩,地板表面溫度分佈也越為均勻,地板表面平均溫度也越高。
  20. Standard test method for performance of wood and wood - based floor and roof sheathing under concentrated static and impact loads

    在集中靜載荷和沖擊載荷木製及木基樓板和屋頂性能標準試驗方法
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