friction conditions 中文意思是什麼

friction conditions 解釋
摩擦條件
  • friction : n. 1. 摩擦,阻力。2. 傾軋,沖突,不和 (between)。3. 擦熱皮膚。
  • conditions : (旅遊合同中)條件或服務項目
  1. Air bearing has a lot of absolute advantages when it is used in high speed bearing, low friction and low wastage, high precision bearing and special conditions

    氣體軸承在高速支承,低摩擦、低功耗支承,高精密支承和特殊工況下的支承等領域內有絕對的應用優勢。
  2. There are a number of conditions that may give rise to blood - stained semen, for example, the glans penis or the urethra may be injured by friction during forceful masturbation, prostatitis, benign prostatic hyperplasia, prostate cancer, etc. the treatment will obviously depend on the cause

    自慰時射出的精液內有血,原因有多種,例如自慰時用力過度弄傷龜頭或尿道、前列腺炎、慢性前列腺肥大癥、前列腺癌等等,治療方法固然要根據病因。
  3. When other conditions are the same, to the interior angle of friction, mean value of glue and gather play a bigger role to stability and dependability of slope

    均值大小對土坡穩定性和可靠性起著更大的作用。在南方,降雨是公路邊坡穩定性的主要影響因素之一。
  4. Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account

    依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型,對中國古代木結構中的典型構造如:柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究: (一)通過木柱石礎靜摩擦試驗,測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律; (二)通過單柱承載力試驗,測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形等參量; (三)通過柱架低周反復荷載試驗,測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數; (四)通過斗?低周反復荷載試驗和受壓試驗,測定了古建築木構件與木構件間摩擦系數,斗?抗側移剛度,斗?恢復力特性及滯回曲線,斗?抗壓極限承載力及受力變形規律; (五)通過抬梁式殿堂間架模型振動臺試驗,測定了殿堂木構架結構自振周期,地震反應振形、阻尼特性及阻尼比;按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量,對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。
  5. The friction and wear properties of pa6 composites filled with different contents of nano - al2o3 sliding against 45 steel and cu counterface in dry conditions are evaluated by using an mmw - 1 friction and wear tester. the findings show that incorporation of nano - al2o3 into pa6 serves as physical joints with the molecular chain of pa6 matrix, and helps reduce wear mass loss of pa6

    對于銅摩擦副而言,尼龍6 nano - al _ 2o _ 3復合材料的摩擦系數在載荷一定時,隨納米al _ 2o _ 3填料粒子填充量的增加摩擦系數呈上升趨勢,此變化規律對于復合材料與45 ~ #鋼對摩時則不明顯。
  6. Design of tire fault observer based on estimation of tire road friction conditions

    路面磨擦狀況估計的輪胎故障觀測器設計
  7. And also, the wear resistance at ambient temperature and of za27 alloyed with mn when lightly loaded is desirable but becomes worse at high temperature. the wear mechanism of the one mixed with both adhesive and abrasive wear under sliding friction conditions ( at high temperature )

    Si的加入量為1 - 3時, za27合金的磨損量最少,高溫摩擦性能最好;加入mn后, za27合金在低溫輕載下耐磨性能較好,高溫耐磨性能不理想;在滑動摩擦條件下(高溫)的磨損以粘著磨損和磨料磨損兩種方式共同存在。
  8. But when heavyly loaded, the former is far better than the latter. the wear resistance of za27 alloyed with mn is no obviously better than that of common za27 alloy. under the sliding friction conditions, the wear resistance at high temperature of za27 is improved by alloyed si and reaches the highest level when the content of si is 1 - 3wt. %

    裂紋主要始於脆性相si相和mn相,裂紋沿晶界擴展;在滑動摩擦條件下(常溫) ,含si的za27合金在載重較小時,耐磨性與普通za合金相比沒有明顯提高,但在載荷較大的情況下,其耐磨性遠高於普通za27合金材料;加mn的za27合金與常規za27合金相比,耐磨性沒有明顯提高;在滑動摩擦條件下, si的加入提高了za27合金的高溫摩擦性能。
  9. Moreover, based on the assumption that the slip velocity at the disks increases linearly with the radius up to the rim slip velocity, another pressure distribution is derived by introducing a appropriate velocity field. then these different results by the different friction conditions and technique are compared. 2

    同時,在圓盤邊緣處滑移速度一定,介質的滑移速度隨著半徑線性變化的假設下,引入合理的速度場,得到了另一種圓盤上的壓力分佈規律,並對不同的摩擦條件及用不同方法計算得到的結果進行了對比。
  10. Thus it improves the lubricating performance of friction pairs. 2 ) under heavy load and high - temperature conditions, the nanometer cao particles between two friction surfaces are flattened and form a sliding system

    ( 2 )在重載和高溫條件下,兩摩擦表面間的納米氧化鈣顆粒被壓平,形成一滑動系,降低了摩擦和磨損。
  11. The degrees of crystallinity of pure ptfe under the different conditions of water cooling, air cooling and furnace - varying cooling were made comparison by xrd. the thermal stability of pure ptfe and solid lubricant was analyzed by dsc - tg ; the composition and valence state of elements in the surface of carbon fiber, solid lubricant before and after friction test and lubricant transfer film were characterized by xps ; the frictional property of solid lubricant was tested by pin and disk test rig. the frictional wear property of solid lubricant between embedded bearing sleeve and steel axle friction pair ring was tested by special simulate test machine, the hardness of solid lubricant was tested by pm ; the compression strength of solid lubricant was tested by material test machine

    用sem表徵原料微觀結構、摩擦表面及潤滑轉移膜表面形貌:用xrd進行原料物相分析,及比較水冷卻、空氣冷卻、隨爐冷卻三種工藝條件下的純聚四氟乙烯樹脂的結晶度;用dsc - tg分析純聚四氟乙烯樹脂及固體潤滑劑的熱穩定性;用xps表徵碳纖維表面、固體潤滑劑摩擦前後表面、潤滑轉移膜表面的元素組成、價態變化;用銷盤式摩擦磨損試驗機對固體潤滑劑進行摩擦性能測試;採用專用的臺架模擬試驗機對固體潤滑劑鑲嵌軸承套與鋼軸摩擦副間的摩擦磨損性能進行測定;用萊次偏光顯微鏡( pm )測試固體潤滑劑的硬度;用材料試驗機測試固體潤滑劑的抗壓強度等。
  12. Standard practice for conducting friction tests of piston ring and cylinder liner materials under lubricated conditions

    在潤滑條件下進行活塞環和缸襯材料摩擦試驗的標準實施規程
  13. Based on the theories of gear engagement, contact analysis, friction and heat transfer, a three - dimensional finite element model of gear tooth was established to investigate temperature distributions and variations along the contact path over a range of applied loads and operating speeds with consideration of lubrication conditions. sensitivity analysis of surface temperature to gear configuration, frictional heat flux, heat transfer coefficients, and oil and ambient temperature was conducted and the major parameters influencing surface temperature were evaluated

    本文基於齒輪嚙合原理、輪齒接觸分析、摩擦學和傳熱學,以有限元分析方法和理論分析計算相結合為手段並以實驗測量結果作為參考,建立了適用於工業應用並具有較高計算精度的高速齒輪傳動輪齒溫度分析的模型和方法,系統地分析了輪齒本體溫度的大小和分佈以及齒輪幾何、載荷及轉速和潤滑冷卻條件等對輪齒本體溫度的影響。
  14. Secondly, kinematics equations of arresting hook in different conditions are established, which includes hook bouncing, bounce displacement and runway friction in regular or irregular runway and so on. then the motion equations of an arresting hook engaging an arresting cable directly and indirectly are presented

    分析了其在道面上的彈跳、彈跳位移、道面摩擦力等運動特性。建立了攔阻索直接上鉤和間接上鉤時攔阻鉤的運動方程,分析了此時攔阻索上鉤時攔阻鉤運動特性。
  15. Influence of simulation parameters on simulation precision of the springback, such as elements type, material types, constitutive equations, integral point selections, contact conditions, friction rules, and like that, has been analyzed

    摘要分析總結了數值模擬中模擬參數(有限無演算法、單元類型、材料模型、本構方程、積分點選取、接觸和摩擦法則等)對回彈模擬精度的影響。
  16. Systemic numerical tests are made first, to study the parameter sensitivity of cohesion and friction angle and other elastic parameters to the convergence in tunnel. some comprehensive parameter sensitivity laws have been draw thought these numerical tests. the method of emulating back analysis is illustrated secondly, in detail by tracing the excavation and supporting conditions by the special numerical modeling rested in final program

    主要研究成果: ( 1 )建立使各個參數靈敏度值具有可比性的靈敏度計算公式,不僅得到了靈敏度分佈規律,而且還得到了各參數對位移的量化影響結果; ( 2 )詳細闡述了巖土工程模擬反演分析思路與具體方法; ( 3 )假定圍巖為理想彈塑性模型,在可量測出理論上認為不可測的塑性變形、實現彈塑性位移分離的前提下,提出了彈塑性問題的分步反分析法。
  17. The friction and wear behavior of dlc gradient film on tj6a14v alloy substrate sliding against ultra - high molecular weight polyethylene was investigated by comparing with that of ti6a14v alloy against the same counterpart under the same testing conditions

    研究了dlc梯度薄膜材料與uhmwpe組成的摩擦副的生物摩擦學性能,探討了摩擦磨損機理。 ti6a14v基dlc梯度薄膜材料具有較好的減摩特性和耐磨損特性。
  18. Influencing factors of buried pipeline ’ s damage and numerical modeling are investigated. complex site conditions, fault and fluid - pipe coupling are considered. considering soil - pipe interaction, boolean operator is used to merge site and pipe, and site - pipe physics contact is solved through soil - pipe friction

    考慮到場地和管道間的相互作用,在adina三維有限元建模過程中,應用布爾操作實現場地與管道間的幾何融合,並通過管土摩擦解決場地與管道間的物理接觸問題。
  19. The experimental results of the flow characteristics of the mmc heat sink indicate that the critical reynolds number signifying the transition from laminar flow to turbulent flow is in advance ; under the same experimental conditions, the variation in entrance direction of the microchannel inlet and outlet has little effect on the microchannel ; the experimental values of the friction factor of the de - ionized water in a microchannel agree well with those calculated using the theoretical laminar formula ; furthermore, a comparison of the experimental results and simulation results shows that navier - stokes equation and rng - turbulence model can be used to model the laminar and turbulence flow regions in a microchannel ; meanwhile, the correlations of the flow resistance in the turbulent flow regions for the de - ionized water as the working fluids are obtained from experiments

    對歧管式單通道熱沉流動特性的研究結果表明,微通道內流體流態由層流向紊流轉變的臨界雷諾數提前;改變流體的進出口方向對熱沉總壓降造成的影響很小;摩擦系數的實驗值與理論值較接近;數值模擬結果能夠與實驗值較好吻合;並由實驗給出了紊流區流動阻力的實驗關聯式。此外,選用十二烷基硫酸鈉( sodiumdodecylsulphate , sds )以及烷基多糖苷( alkylpolyglycoside , apg )作為減阻添加劑,研究了表面活性劑添加對微通道流動特性的影響。
  20. The contract stress on supporting roller and crawler board surface of three models of dong fang hong crawler tractor under three working conditions is gained by finte element analysis, as well as the stress distribution law and maximum stress which provide valuable referentce datum for resolving the problems of plastic deformation and friction wear between the supporting roller and crawler board

    摘要對3種機型拖拉機的支重輪與履帶板之間的接觸應力分別在3種工況下進行了有限元分析,得出接觸應力分佈的規律及其最大值,為解決支重輪和履帶板的塑性變形問題及摩擦磨損行為分析提供了有價值的參考數據。
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