有效厚度 的英文怎麼說

中文拼音 [yǒuxiàohòudù]
有效厚度 英文
effective thickness
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 有效 : effective; valid; efficacious
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山（自然保護區） 、黔江武陵山（國家重點退耕還林示範縣，森林覆蓋率50以上）和北碚中梁山（遭人為破壞嚴重）典型巖溶區為對象，選擇了幾種重要的利用方式，包括林地、果園、耕地、棄耕地和灌草坡，採用野外巖溶生態調查和室內試驗測量分析相結合的方法，以不同土地利用方式巖溶土壤肥力為重點，對不同土地利用方式土壤肥力特徵進行量化分析，找出巖溶土壤肥力差異的主要方面及其根本原因，論文主要從土壤剖面物理退化指標（有效土層厚度、有機質層厚度、質地、團聚體、水分含量等） ，化學肥力退化指標（有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等） ，樣地土壤微生物指標（細菌、真菌、放線菌數量及總量）以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究，為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  2. The method of obtaining high concentration of na2feo4 solution by quick electrolysis mainly contains four aspects : adoption of either a diaphragm or an ionic membrane electrolytic cell in which a thin anodic cell lying between the two cathodes, ( 2 ) using an iron anode that has larger specific surface area, ( 3 ) keeping suitable concentration of naoh in the anodic cell, adoption of lower current density and higher electrolyzing speed. the practical technique parameters follow a s below : the naoh solution of 14 - 16mol / l, the temperature of 303 - 308k, the surface anodic current density of 300a / m2, the unit electrolyzing speed of efficiency larger than 6. 0a / l

    快速電解獲取高濃度na _ 2feo _ 4溶液的方法，主要包括四個方面：採用兩陰極室夾一厚度較小的陽極室的隔膜（或離子膜）電解槽；使用比表面積較大的鐵網陽極；保持陽極室中有適宜濃度的濃naoh溶液；採用較低的電流密度和較高的電解速度。具體工藝參數是： 14 16mol / lnaoh溶液、溫度303 308k 、表觀陽極電流密度300a m ~ 2 、有效單位電解速度6 . 0a / l 。
  3. Research area is characteristic of heterosphere obviously, which mainly manifests that distribution, thichness and extent of delelopping of sand body is not symmetrical. difference of transverse permeating rate is more 10 times than longitudinal permeating rate. the research indicates : the principle productive formation at this area is the member of h8x, h8s on the lower hezi formation that are good reservoir

    研究區儲層非均質性明顯，主要表現為砂體分佈不均勻、厚度不均，發育程度不一，滲透率縱橫向差異均在10倍以上等；儲層發育較好的層段是山西組山1段，是本區的主要產層；神經網路技術對于儲層物性參數的預測是一種比較有效的方法；儲層綜合評價指數對于儲層的評價具有一定的理論和現實意義。
  4. On the basis of field investigation and a lot of tests, the paper detailed researches the engineering geology properties of xigeda filling material. the distinction of the modulus of resilience was analyzed, and the influence of the intrinsic factors including moisture content, dry density, mudstone content and the external factors including compaction mode, paving thickness were adequately discussed. based on the researching how various factors influence the road compaction effectiveness, the author studied the relationship between modulus of resilience and roadbed compaction quality index, connected the compactness with modulus, and listed the data of the modulus in the various compaction area

    基於此，本論文在大量現場調查、室內外試驗資料基礎上，詳細研究了昔格達填料的工程地質性質；通過路基回彈模量特徵的研究，充分闡述了含水量、干密度、泥巖含量等「內因」 ，及壓實方式、松鋪厚度等「外因」對路基模量值的影響；在分析眾多因素對路基壓實效果影響的基礎上，開展了回彈模量與路基壓實質量指標間關系的研究，進而把現場壓實度與現場回彈模量有機的聯系起來，給定了不同壓實區間對應的模量值。
  5. Finally, convergent geometry had an important effect on the perturbance coupling between the interfaces of the finite fluid. the attenuation factor of perturbance coupling from the outer interface in was greater than the one from the inner out

    本文研究表明：收縮幾何效應對有限厚度流體的界面之間的擾動耦合有重要影響，柱和球幾何中擾動耦合從外界面到內界面的衰減因子大於從內界面到外界面的情況。
  6. Another topic of this article is to try to find a proper overlay design method. by using elastic layer system ( els ), finite element method ( fem ), genetic arithmetic ( ga ) back calculation and efficacious thickness method, the paper puts forward four design methods. the results say that the position where the max stress appears is not the only one but varies with the thickness of overlay

    根據陜西省高速公路瀝青路面病害以及使用性能的實際情況，提出了代表彎沉值的計算方法以及下臥層模量的反演方法，在此基礎上利用彈性層狀體系理論、有限單元理論、遺傳演算法以及有效厚度法等理論對加鋪層厚度設計方法進行了研究。
  7. Using its probability statistical approach, this paper analyzes the uncertainty distribution of net pay thickness and permeability in the reservoir, researches the impart of geologic parameter uncertainty on gas well binomial productivity equation

    應用概率統計法，分析了儲集層有效厚度、滲透率的不確定性分佈，研究了地質參數不確定性對氣井二項式產能方程的影響。
  8. Effective thickness of fillet weld

    角焊縫有效厚度48
  9. The minimum reinforcement rate has little effect on reinforcement in columns. ( b ) when considering the bars in slab participate in beams against negative flexure, four or six times slab - thickness on each side of web can be defined as the effective flange width of slab by intermediate or rare earthquake actions

    當考慮板筋對梁端負彎矩承載力的提高作用時，可在設防烈度地震和罕遇地震作用下分別取每一梁側四倍、六倍板厚范圍作為板的有效寬度。
  10. In normal optical fibres made from materials with positive refractive indices, this makes the effective thickness of the cable greater than its physical thickness

    在正常的用具有正折射指數製作的多個光導纖維中，這種情況會讓電纜的有效厚度高於它的實際物理厚度。
  11. There are many approaches to achieve the purpose, and one of the perfect them is tunnel - cascaded multi - active regions large cavity ld structure, in which not only the effective thickness of the active region increase but also obtain lds ’ low threshold current and high slope efficiency and other properties

    有多種途徑實現ld光束特性的改善，其中採用多有源區隧道結級聯大光腔結構的半導體激光器是既增加有源區等效厚度而又保證ld低閾值電流和高斜率效率等特性的最佳途徑之一。
  12. For shutters, the results show : 1 ) according to the formula p =, the theoretical value of is calculated by the effective velocity of the flow, and its engineering value is calculated by the arriving velocity of the flow, the relationship between the theoretical value of and its engineering value is 2 ) the smaller value of declining angle will result in the smaller pressure loss and smaller outlet velocities. as a result, the declining angle of 30 擄 or less is recommended in some places which need small wind velocity, such as broadcasting studio and library, and the declining angle of 45 擄 or less is recommended in places which need big wind velocity, such as cinema and office ; 3 ) the larger value of ratio between the wide of the shutter b and the space between two boards h ( b / h ) will result in the larger pressure loss and smaller outlet velocities. the range of b / h from 0. 8 to 2. 0 and the optimum value 1. 2 is recommended ; 4 ) the range of b from 10 mm to 50 nun and the optimum value 40 mm is recommended ; 5 ) the proper thickness of the boards 8 of the shutters is 1. 5 mm ; 6 ) cuneiform boards should replace the rectangle inlet boards of the shutters in order to obtain better ventilation

    數值模擬採用fluent軟體，計算結果用excel進行處理，通過對大量數值工況進行數值模擬計算，結果表明：對于單側百葉風口，計算表明： 1 ）對于公式p = （ ~ 2 ） 2 ，的理論計算值中定義為流體流經百葉風口內部時的速度，即有效速度，而工程上常使用流體的來流速度來計算，計算表明，的理論計算值與工程應用值的關系為（ _ （理論） ） （ _ （工程） ） = 0 . 813 ； 2 ）當來流速度一定時，擋板傾斜角度越小，壓力損失越小、出口速度越小；因此在要求進口風速比較小的場所，如播音室、圖書館等，宜採用擋板角度30的百葉風口；在要求進口風速比較大的場所，如電影院、辦公室等，百葉擋板的角度應選45 ； 3 ）當來流速度一定時，百葉擋板的擋板寬度b與擋板間距h的比值b h越大，壓力損失越大，出口速度越小，計算表明，鑒于壓力損失、出口風速、板間形成渦流區的大小，百葉擋板的b h值取0 . 8到2 . 0之間， b h = 1 . 2為最佳值； 4 ）當來流速度一定時，在計算的條件下，當百葉擋板寬度b = 40mm時，百葉擋板的阻力系數最小，考慮到渦流區等的影響，建議選用10mm b 50mm的百葉擋板；西安建築科技大學碩士學位論文5 ）百葉擋板的厚度取為1 . sinln為好; 6 ）百葉擋板的入口側可選用具有傾斜度的楔形擋板來代替矩形擋板，利用其較好的導流作用，可得到更好的出流效果。
  13. An experimental study on steel fiber reinforced concrete ( sfrc ) thick cap with four piles indicates that the factors affecting its ultimate loads are composed of its effective thickness, steel fiber volume ratio, concrete strength grade, shear span length, steel ratio and the form of reinforcement, in which the factor of the form of reinforcement affecting the ultimate loads of pile cap is distinct

    摘要鋼纖維混凝土四樁厚承臺的性能試驗研究結果表明，影響其極限荷載的因素主要有承臺有效厚度、鋼纖維體積率、混凝土基體強度等級、承臺的剪跨比、縱向鋼筋配筋率和配筋形式等，其中，配筋形式對鋼纖維混凝土厚承臺承載力的影響是很顯著的。
  14. This article analyzes the difference of theories calculating the effective width between chinese code and north american codes. the author finds the results based on the technical code for design of cold - formed thin - wall steel structure is lower than that of north american codes, especially for flat plate with relatively larger width - thickness ratio whose thickness is thinner than 2mm, the difference is more obvious

    本文分析了國內外關于冷彎型鋼屈曲后強度的有效寬度計算理論，通過理論分析和計算對比發現，按我國《冷彎薄壁型鋼結構技術規范》計算的板件有效寬厚比值較北美規范低，特別是對于厚度小於2mm的大寬厚比板件，其差異更明顯。
  15. This model can be used to determine the permeability, porosity, net pay thickness and ogip without chart matching

    運用該方法不需要進行圖版擬合就可以確定出異常高壓氣藏的滲透率、孔隙度、有效厚度和地質儲量。
  16. According to the test results of 15 large size specimens of sfrc four - pile caps, crack status, the midpoint flexibility of pile caps bottom, concrete strain side and steel strain bottom are observed, and primary influencing factors of sfrc four - pile caps are analyzed by changing bulk factor, effective thickness, quantity of distributed steel and steel laying mode

    依據15個大尺度鋼纖維混凝土四樁承臺試件的試驗情況，通過改變鋼纖維體積率、承臺有效厚度、配筋量及配筋方式，觀察和記錄了樁承臺裂縫開展與分佈、承臺底部中點撓度、側邊混凝土應變和底部受拉鋼筋應變，分析了影響鋼纖維混凝土四樁承臺承載能力的主要參量。
  17. Abstract : according to the test results of 15 large size specimens of sfrc four - pile caps, crack status, the midpoint flexibility of pile caps bottom, concrete strain side and steel strain bottom are observed, and primary influencing factors of sfrc four - pile caps are analyzed by changing bulk factor, effective thickness, quantity of distributed steel and steel laying mode

    文摘:依據15個大尺度鋼纖維混凝土四樁承臺試件的試驗情況，通過改變鋼纖維體積率、承臺有效厚度、配筋量及配筋方式，觀察和記錄了樁承臺裂縫開展與分佈、承臺底部中點撓度、側邊混凝土應變和底部受拉鋼筋應變，分析了影響鋼纖維混凝土四樁承臺承載能力的主要參量。
  18. Textile floor coverings - determination of the apparent effective thickness of the backing

    鋪地織物.襯里表面有效厚度的測定
  19. Textile floor coverings - determination of the apparent effective thickness of the backing ; german version en 1318 : 2005

    鋪地織物.襯里表面有效厚度的測定
  20. Effect of structure on cbm formation and destruction reflects in three aspects : geological developing history, fold and fracture. region where valid depth is smaller than 200m has no exploration value

    構造對煤層氣藏的形成和破壞主要表現在地質發展史、褶皺、斷裂三個方面，其中上覆地層有效厚度小於200m的地區不具備勘探價值。
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