間隙率 的英文怎麼說

中文拼音 [jiān]
間隙率 英文
clearance ratio
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • : 名詞1 (縫隙; 裂縫) crack; chink; crevice 2 (空閑) gap; interval 3 (漏洞; 機會) loophole; op...
  • : 率名詞(比值) rate; ratio; proportion
  • 間隙 : (空隙) interval; gap; freedom; space; [機械工程] clearance; separation; stricture; clear; inter...
  1. And the deficiencies are pointed out in present researches, such as highway capacity, level - of - service, influence factor of road alignments, etc. from these, it has confirmed that the thesis should be studied from rational analysis, quantitative analysis of level - of - service, impact on capacity of road alignments, setting - up simulation model, etc. the high - accuracy gps dynamic data acquisition appearance is proposed to be used for the first time to carry on the experiment of overtaking on two - lane highways, and experiment scheme is designed according to the driver ' s perceive to judge each overtaking course. based on the experiment data, it can get two important parameters of acceptant gap ? the critical gap of overtakable time headway and returnable time headway through data processing, which can offer the strong support to the research of two - lane highway capacity with qualitative and quantitative analysis. besides, the experiment methods is provided to observe overtaking ratio and to measure the

    研究中首次提出了運用高精度gps動態數據採集儀對雙車道公路上的超車行為進行觀測,設計了根據駕駛員感受度來衡量超車過程的實驗方案,並通過後期數據處理得到了超車過程中兩個重要的可接受參數-可超車車頭時距和可回車車頭時距的臨界值,為定性和定量分析雙車道公路通行能力提供有力的數據支持;同時,還提出了觀測超車的實驗方法以及測量加速度干擾的實驗方案,統一了計算加速度干擾的時統計隔,為雙車道公路的服務水平量化研究奠定基礎;最後還簡單介紹了駕駛員問卷調查法和模擬程序中模型參數標定和驗證的數據採集方法。
  2. Through the experimental research, we think : the technological capacity of fiberglass asphalt macadam if weaker than asphalt macadam, however, if use elasticized capacity to solve blending technological problem. adjust the breed of fiber silk, extend its diameter, its paving capacity is still worth exploring, asphalt - rubber macadam structure lager have good deformed - become capacity and crazed - resistance capacity, small gap rate. good water - resistance capacity, good hot - stability and simple construction technology. therefore. pitch rubber spall is a good cover material which is suitable for the second class or lower whose asphalt pavement has split open because of fatigue. and is the good structural measure of preventing half - rigidity grass - roots unit shrink - rift reflecting. pave a thin layer of pitch rubber spall between asphalt - type pavement layer and half - rigidity basic level, although the cost of building is higher than paving togongbu in the middle, the construction technology, crazing - resistance and water - resistance are better than togongbu, not only could reduce greatly the reflex of half - rigidity grass - roots unit material, long then the use lifespan of pavement, but also it is possible to reduce suitably the thickness of asphalt mixture layer, though the cast of building in the early days becomes more, in the long - term opinion, it have fully important technological and economical significance

    通過試驗研究認為:玻璃纖維瀝青碎石的技術性能不如瀝青碎石好,但路用彈性性能較好,如能解決拌和工藝問題,調整纖維絲的品種,增大其直徑,其路用性能仍值得探討,瀝青橡膠碎石結構層具有變形性能和抗裂性能良好,空小,防水性能好,熱穩定性較好,施工工藝簡單的特點,因此,瀝青橡膠碎石是二級及二級以下公路因疲勞而開裂的瀝青路面的良好罩面材料,也是防止半剛性基層收縮裂縫反射的良好結構措施,在瀝青類路面面層和半剛性基層之夾鋪瀝青橡膠碎石薄層,雖然造價比夾鋪土工布高,但其施工工藝,抗裂性能和防水性能均優于土工布,不僅可以大大減少半剛性基層材料的反射裂縫,延長路面使用壽命,而且可能適當減薄瀝青混合料面層的厚度,雖然初期造價有所增加,從長遠來看,具有十分重要的技術和經濟意義。
  3. Intermediate arrays have porosities falling between these limits.

    的排列方式,孔介於這兩個值之
  4. Based on the ostwald - de waele equation, the leakage characteristics of power - law transmitted by helical gear pump are researched, and the leakage model of power - law in the clearence is founded, and - the velocity distributing and the leakage capacity are worked out by the boundary condition. the power loss of leakage is got through the clearence leakage capacity, and the friction power loss is attained by the velocity distributing. the mathematic calculation model

    利用冪律流體本構方程,首次對聚合物流體在斜齒齒輪泵中的漏流特性進行了研究,建立冪律流體在中的泄漏模型,利用邊界條件求出速度分佈及泄漏量;由泄漏量得到漏流損失功,由速度分佈得到流體摩擦功損失,並得到最優解的數值計算數學模型,同時給出實例及數值計算結果。
  5. Calculated the open pore rate, porosity and average leaching time. photomicrograph of representative porous microstructure of matrix were taken by scanning electron microscope ( sem )

    計算平均開孔、空、氯化鈉瀝清時,並進行支架表面與內部孔徑和空開放情況的掃描電鏡觀察。
  6. Vad der waals force of the aramid fibers, favor the penetration of dyes into the fibers and increase the dye pickup

    通過採用化學助劑使芳綸分子之增大,降低芳綸分子的范德華力,有利於染料進入纖維內部,提高染料的上染
  7. In order to study the characteristic signals according to the quality of the welding with dissimilar gaps, the self - made real - time monitoring system with coaxial sensors is applied to acquire and extract coaxial signal, and then the signals are analyzed with modes analysis, subsection power analysis and wavelet analysis

    摘要為了研究不同下激光拼焊的焊縫質量及其對應的信號特徵,採用自製同軸傳感系統採集提取多種下焊接時的同軸光信號,並對信號進行眾數分析、分段功譜分析和小波分析。
  8. Based on the special property of magnetic fluid ( mf ), we fill the magnetic fluid into the working clearances of the servo valve torque motor. one side, the magnetized magnetic fluid can exert a damping torque on the torque motor armature and reduce vibration of the armature ; on the other side, it can improve the magnetic circuit efficiency of the torque motor because of the magnetic fluid ’ s larger magnetic permeability

    基於磁流體所具有的特殊性質,將磁流體添加到伺服閥力矩馬達的工作中,一方面磁流體被磁化后可增大銜鐵的阻尼力,減少振動;另一方面由於力矩馬達氣中磁導的提高,使氣中的磁通量增大,力矩馬達的磁路效和輸出扭矩將增大,因此可以提高力矩馬達的固有頻和伺服閥的響應速度。
  9. The system measures photosynthesis rate by using infrared co2 gas analyze method. it has two work modes : open route and close route. it can measure the leaf photosynthesis rate, transpiration rate, stomata conductance and co2 thickness in cell clearance etc parameters about plant physiology

    本文研究設計了測定光合、蒸騰速的主從式虛擬儀器系統,系統採用紅外線分析法測定光合速,設置有開路和閉路兩種測定方式,可以測量植物葉片的光合速、蒸騰速、氣孔導度和細胞co _ 2濃度等與植物光合作用相關的參數。
  10. But above 700, the resistivity decreases suddenly, as the nb ion diffuse from linbo3 into zno and occupied the interstitial sites. nb ions, as donor doping in zno film,

    Linbo3中的nb擴散到zno中去,占據位置,相當于失主能級,形成電阻低的n型zno薄膜。
  11. Based on the tribological principle and the theory of contact mechanics, it is feasible to adopt curvature - changing structure in the rock - bit journal bearing system. the structure and coupling relationship of curvature - changing journal bearing under the condition without friction have been analyzed and three kinds of sub - form structure configurations, namely, the pseudo - curvature - changing structure, the conformable curvature - changing structure, and the clearance curvature - changing structure, been differentiated according to the contacting features. the shape optimization and pre - running - in regulations of the contact surface of curvature - changing journal bearing under friction condition have been established. the results of rock bit journal bearing test indicate that the tribological behavior of the bearing can be effectively improved by curvature change based on both designing and pre - running - in

    基於摩擦學原理和接觸力學理論,提出了可在牙輪鉆頭滑動軸承中採用變曲結構.在不考慮摩擦的情況下,就結構設計和配合關系等問題進行了分析討論,劃分了準變曲、吻合變曲以及變曲等3種結構形式;針對考慮摩擦時的變曲結構,提出了接觸形狀優化和預磨合的實施方案.鉆頭軸承試驗結果表明,無論是預設計變曲還是預磨合變曲,都能改善軸承摩擦副的摩擦學特性,因而值得進一步研究和推廣
  12. The name "intrinsic permeability" is now generally accepted as being characteristic of the medium alone.

    滲透」這個名詞現在一般只作為介質本身的特性。
  13. Abstract : guiding accuracy of casting mould depends on structure and oscillation parameters, such as elastic deformation of guiding leaf - springs, play of bearings between linkages, stroke and frequency of mould oscillation, etc. in this paper, these factors are studied by means of kinetic and dynamic analysis of oscillating mechanism

    文摘:通過對連鑄機結晶器振動機構的運動學和動力學分析,研究了導向板彈簧的彈性變形、連桿軸承等結構參數及振幅、振動頻等運動參數對結晶器仿弧誤差的影響。
  14. 4. based on the viscous hydrodynamics, the leakage characteristics of newton liquid that is transmitted by helical gear pump are researched for the aim of the least power loss, and the leakage model is founded, the mathematic models of the radial and the axial leakage are gained. at the same time the optimal radial leakage and axial leakage are got, and the numerical calculation is achieved

    基於粘性流體力學,以功損失最小為目標,首次對牛頓流體在斜齒齒輪泵中的漏流特性進行了研究,建立了泄漏模型,分別得到了斜齒齒輪泵的徑向和軸向泄漏的數學計算模型;同時得到了斜齒齒輪泵最佳徑向和最佳軸向,並在此基礎上進行了數值計算。
  15. The results indicate that hp can promote the toughness and strength of cement mortar and concrete, and with the increase in hp mixture, compressive strength increases more obviously than bend resistant strength does ; with the hydrosoluble hp fibre added, the microstructure of mortar or concrete will change, the space web structure will be formed, which consists of mixed hydrates and hp films. as a result, the performance of mortar and concrete, with high strength and few apertures, can be improved

    結果表明, hp對水泥砂漿和混凝土有顯著的增韌、增強作用,且隨著hp摻量的增加抗壓強度提高的幅度增大,抗折強度提高的幅度降低; hp水溶性高分子纖維的加入可改變混凝土的微觀結構形態,在混凝土或砂漿中形成了水化產物與hp膜交織的空網狀結構,使漿體緻密,減小孔,從而影響其整體性能。
  16. Comparing with full light treatment ( control ), tr, gs, wue and light saturation point were significantly decreased, ci was increased by shading. so far as curve of light response, seedlings of 2 tree species represented higher photosynthetic capability under shading treatments in the ranges of low light

    和對照的全光照處理相比,遮蔭處理顯著地降低了多脈青岡和金葉含笑的蒸騰速、氣孔導度、水分利用和光飽和點,細胞co _ 2濃度在遮蔭條件下顯著上升。
  17. The grade composite, road performance and its mechanism are systemically studied. 1 ) the aggregate grade of ogfc is studied through the volume method base on the analysis of the aggregate grades. then the grade is verified and the relation between the grade and pore rate is studied statistically, the typical grades of ogfc are developed ; 2 ) the reasonable pore rate of ogfc is studied on the basis of the balance of mechanics and function performance ; 3 ) the mineral fiber is added to the ogfc mixes to increase asphalt content, thus the anti - water performance of ogfc mixes are improved ; 4 ) high viscous asphalt fit for the preparation of ogfc is prepared through composite modification by sbs and rubber powder ; 5 ) the mechanics mechanism of ogfc is studied in the paper, it shows : asphalt paste, as well as the coarse aggregate skeleton, is essential to the mechanics of ogfc

    在分析各國ogfc級配的基礎上,運用礦料體積法進行ogfc級配設計,用正交實驗對礦料級配進行了優化設計,運用數理統計方法分析礦料級配和孔的關系,並回歸出礦料關鍵篩孔通過與ogfc骨架空結構關系的數學方程,進而提出了ogfc的合理級配;通過對不同孔典型級配混合料的性能研究,綜合力學和功能性能,得出了ogfc的合理孔范圍:針對高速公路面層對ogfc力學性能方面的要求,本文從瀝青膠結材料、纖維穩定劑兩方面對ogfc的性能進行改善:通過sbs和橡膠粉復合改性的方法開發出了適合ogfc的高粘度改性瀝青,摻加聚合物纖維,提高ogfc的最佳瀝青用量,進而改善了混合料的高溫性能和抗水損害性能,優化設計出能滿足高速公路路用性能,車轍動穩定度達5000次/ mm以上,動融劈裂強度比90 ,透水系數31ml / s ,並具有防滑降噪功能的開級配瀝青磨耗層( ogfc )混合料。
  18. The results indicated that ( 1 ) " longxianhuosuan " presented more regular and more densely - arranged epidermal cells in its scapes than " gailiangsuan " ; ( 2 ) " longxianhuosuan " showed a lower stomata number but a larger stomatal aperture in its scape surface than " gailiangsuan " ; its scapes had a great number of secretory cells, which had a larger size and appeared earlier ; its scapes presented a smaller number of vascular bundles with smaller diameters ( 3 ) " longxianhuosuan " had polygonal cells in its scape pith with their intercellular space occupying a small proportion while " gailiangsuan " showed elliptical cells in its scape pith with their intercellular space occupying a high proportion

    結果表明: ( 1 ) 「隴縣火蒜」比「改良蒜」蒜薹的表皮細胞形狀規則,排列緻密;角質層較薄; ( 2 ) 「隴縣火蒜」比「改良蒜」蒜薹表面的氣孔數量少,但開張度大;分泌細胞出現早、體積大、數量多;維管束數量少、直徑小; ( 3 ) 「隴縣火蒜」蒜薹髓細胞衛多邊形,髓細胞間隙率小,而「改良蒜」蒜薹的髓細胞呈橢圓形,髓細胞間隙率大。
  19. The curve of mix proportion kept away from the restricted zone in order to provide enough voids in mineral aggregate ( vma ) to fill the high content of conductive materials. conductive powder can regard as a part of filler in asphalt concrete

    導電瀝青混凝土的級配設計採用superpave設計方法,合成曲線盡可能遠離禁區,提供足夠的礦料間隙率來填充高摻量的導電相材料。
  20. Abstract : in this paper, the relation between the void in mineral aggregate ( vma ) and bituminous mixture capability are analyzed. the void in mineral aggregate is calculated based on the compose - parameter of bituminous mixture. the paper presents the method of proportioning design that controls the void in mineral aggregate, and the result has been checked out by marshall test and wheel tract test

    文摘:分析了礦料間隙率對瀝青混合料路用性能的影響規律.計算了各種混合料組成參數時礦料間隙率的大小.提出了通過控制礦料間隙率來進行瀝青混合料配合比設計的方法,並通過馬歇爾實驗和車轍實驗來加以檢驗
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