摩擦層 的英文怎麼說
中文拼音 [mócācéng]
摩擦層
英文
friction layer-
The deep root and introspection of international trade friction for our country
我國國際貿易摩擦的深層根源與反思The result of those studies as follow : ( 1 ) an composite layer of definite thickness on the casting was gained by cast - sintering technique, and it has well wear - resistance. ( 2 ) the reinforcement of the composite layer is tic or vc, which was exiguous and is well distributed
同時利用干滑動摩擦磨損實驗,對表面復合層的耐干滑動摩擦磨損的性能進行了研究。研究表明: ( 1 )利用鑄造燒結技術可以在鑄件表面獲得一定厚度耐磨性能良好的表面復合層。Wear resistance of q235 steel surface mo - cr alloy layer by double glow discharge technology
235鋼表面雙層輝光離子強化層摩擦磨損性能The spherical particles are swept as droplets or volatilized and recondensed from a meteorite as it is heated to incandescence by friction in the upper atmosphere.
球形粒子是由小滴吹刮或者由在高層大氣中被摩擦加熱到白熾化的隕石揮發並重新凝結而成。05. 01 coefficient of kinetic friction for wax coatings, method of test for
蠟塗層的動摩擦系數的試驗方法Standard test method for coefficient of kinetic friction for wax coatings
石蠟覆層動態摩擦系數的標準試驗方法Test method for coefficient of static and kinetic friction of uncoated writing and printing paper by use of the horizontal plane method
用水平面法測量非塗層書寫印刷紙動態和靜態摩擦系數的方法Friction characteristics of oscillatory laminar flow in straight tube
圓直管內層流振蕩流的摩擦特性In the present dissertation, friction - induced noises emitted by a flat specimen rubbing against another flat specimen or a ball specimen under reciprocating sliding are studied. the detailed observation of the scars is conducted by means of a scanning electrical microscope ( sem ), laser scanning microscope ( lsm ), optical microscope and profilometer. the dynamic state variables are analyzed in detail using the discrete wavelet transform
使用電子掃描顯微鏡( sem ) 、激光掃描顯微鏡( lsm ) 、光學顯微鏡和表面輪廓測量儀等設備對摩擦噪聲發生的區域進行了詳細的觀察和分析,運用小波變換技術對摩擦噪聲狀態下的動力學變量進行了深層次的研究,應用matlab simulink語言對摩擦系統進行了振動動力學模擬,系統地研究了摩擦噪聲的形成機理。( 2 ) increasing of wind is mainly induced by shf and affecting of lhf is very little. ( 3 ) effect of terrain increases ground rough and tonsure of terrain press and fiction correspond enhance frictional damp effect
( 3 )地形作用相當于增加了地面粗糙度,地形壓力梯度項與摩擦項地疊加,相當于使摩擦阻尼作用增大,地形強迫作用使下邊界層從上至下風速減小,風向向左偏轉。Boundary - layer skin friction
邊界層表面摩擦Boundary layer skin friction
邊界層表面摩擦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。Abstract : molecular deposition ( md ) film, a nano film, is assembled by the interaction of static charge between cationic and anionic compounds. the micro - friction properties of an md film on silica has been studied with atomic force microscope ( afm ). it has been found that the md film has lower coefficient of friction as compared with the original surface of silica. moreover, based on the analyses of the surface force versus distance curves, photographic image, friction force image, and modulated force image, it is concluded that the friction reduction effect of md film on silica is attributed to the surface adhesion reduction and surface micro - modification
文摘:利用原子力顯微鏡對石英巖表面單層分子沉積膜的微觀摩擦特性進行了研究,發現該分子沉積膜具有一定的減摩性.通過對其表面力-位移曲線、表面形貌像、調制力像和摩擦力像的進一步分析表明,石英巖表面分子沉積膜具有減摩作用的原因在於它能夠降低表面的粘著力並對表面具有微觀修飾作用Friction pulley linings for winches and winders in mining
礦井提升機和卷揚機用摩擦輪襯層Study on fretting wear behaviour of crn coatings by ibed
膜層及其微動摩擦學性能研究Ogfc standard practice for open - graded friction course mix design
開式級摩擦層Open graded friction course ogfc
開放級配摩擦層Standard guide for materials and construction of open - graded friction course plant mixtures
開式級摩擦層廠拌混合料的材料和鋪設的標準指南As the slipping isolator consumed most of the input energy of earthquake the structure with the base fps isolator has been reduced the peak value of acceleration and displacement between floors of the structure effectively
由於滑動摩擦層耗散了絕大部分的地震輸入能量,採用摩擦擺基底隔震措施以有效降低上部結構的最大加速度和層間位移反應。分享友人