摩擦比 的英文怎麼說
中文拼音 [mócābǐ]
摩擦比
英文
friction ratio-
The total rna was isolated from pokeweed ( phytolacca americana ) leaves using the method of guanidine isothiocyante and used as template to amplify the total length and deleted mutant pokeweed antiviral protein ( pap ) gene by rt - pcr and then the pap gene was cloned into pgem - t vector. the sequencing results showed that pap gene had 99. 9 % identity comparing with the pap gene nucleotide sequence reported by lin et al ( 1991 ). the iptg - inducible expression vector containing the pap gene was constructed and transferred into e. coli bl21 ( de3 ) - plyss
將缺失型pap基因克隆到植物表達載體pbi121中，通過液氮冷凍法將重組質粒轉入農桿菌lba4404細胞中，然後採用葉盤法，在該農桿菌的介導下將pap基因導入普通煙草中，經過卡那黴素抗性篩選，最後獲得了轉pap基因的工程煙草植株，摩擦接種煙草花葉病毒（ tmv ） ，與非轉基因煙草相比，能夠推遲癥狀表現達2月之久，說明pap基因能夠在其它植物體內產生有活性的高抗病毒的蛋白質。Near a hundred years coming with the great powers rub and struggle, majority of capitalistic forerunner gradually knew that the economy invade was more terrible than the force invade and having a more powerful national economy was just a fundamental ity way for national becoming more powerful
在近百年來與列強摩擦和斗爭中，大多數先進的資產階級思想家認識到，經濟侵略比武力侵佔更可怕，只有國家經濟力的增強，才是國家強大的根本之道。Comprehensive calculating method of friction moment for circle disc frictional cutch
盤式摩擦離合器摩擦力矩計算方法對比分析The pressure proportional elastic deformation of this bourdon tube is transmitted through a low friction movement to the knife edge pointer
波登管的壓力比例塑性變形通過摩擦力很小的機械裝置傳遞給刃形指針。The pressure pro - portional elastic deformation of this bourdon tube is transmitted through a low friction movement to the knife edge pointer
波登管的壓力比例塑性變形通過摩擦力很小的機械裝置傳遞給刃形指針。The pressure proportional elastic deformation of this bourdon tube is transmitted through al low friction movement to the knife edge pointer
波登管的壓力比例塑性變形通過摩擦力很小的機械裝置傳遞給刃形指針。I flubbed up on it and my scores showed it. " this year ' s championships feature a new category friction calling for callers who produce the turkey sounds by rubbing objects together, typically a slate or a metal box that is scraped with a stick
本屆比賽還特意增加了一項新的比賽內容摩擦叫聲，即讓選手們通過將不同物品相互刮擦的方式來模仿出火雞的叫聲，一般是用棍棒與Abstract : in this paper, friction drive theory is analyzed. between sliding and creeping, analysis are conducted, and the quantity of creeping is obtained
文摘:分析摩擦傳動機理，對打滑和蠕動現象進行了分析和比較；推導出蠕動量的計算公式，並進行了分析。Trinitro triazidobenzene is less sensitive to impact and friction than mercury fulminate.
三硝基三疊氮苯的摩擦感度和沖擊感度比雷汞低。For sliding contact, the coefficient of kinetic friction uk is defined as the ratio of the frictional force to the normal force.
滑動接觸時，動摩擦系數Uk的定義是摩擦力與法向力的比率。For sliding contact, the coefficient of kinetic friction uk is defined as the ratio of the frictional force to the normal force
滑動接觸時，動摩擦系數uk的定義是摩擦力與法向力的比率。Being a sort of new principle micromotor in the fronitier of science. the ultrosonic motor ( usm ) is developed at recently twenty years. utilizing the stator surface particle elliptical motion excited by piezoceeramics, the usm is drived by friction force between the stator and rotor. compared with the conventional electromagnetic motor, the ultrasonic motor has the following features : high speed, high holding torque when power is off and so on. because of it ' s characteristics, the ultrasonic motor has obtained some widespread application in robots, precise instrument, house electronical appliance, sapceecraft automobile and micromechanism
超聲波電機（ ultrasonicmotor ）是近二十年來發展起來的一種新原理電機，其原理不同於傳統的電磁型電機，它是利用壓電陶瓷的逆壓電效應使定子的表面質點產生橢圓運動，通過定子和轉子之間的摩擦力驅動轉子運動。這種新型的電機與傳統電磁電機相比，具有響應快、不受電磁干擾、結構緊湊、低速、大扭矩、斷電自鎖等優點，因而在微型機械、機器人、精密儀器、家用電器、航天器、汽車等方面顯示出廣泛的應用前景。The test result also displays that sometimes the normal vibration associated with squeal firstly occurs prior to the tangential vibration. the tangential vibration does not occur until the normal vibration gets stronger
試驗發現，有時發射摩擦噪聲的振動首先在法向出現，當這個法向振動比較強時，相同或相近頻率的切向振動才發生。Accesses the net saw some people suggested, do not have to use the gauze turban because of friction to be able big, can first use the froth bath the emulsion to scratch on the neck, directly takes over the use of the hand and the finger helps the baby to wash, moreover wrinkle folding place must open every day washes, after then uses the hand to wash the neck again to strip with water, after washes may scratch the petroleum jelly, compared with moist also may isolate lets it separate between the meat friction
上網看到有人建議，不要用紗布巾因為磨擦力會蠻大的，可以先用泡泡浴的乳液擦在脖子上，直接用手和手指頭幫寶寶撮洗，而且皺折處每天都要翻開洗，然後再用手去洗脖子後用水沖洗，洗好后可以擦凡士林，比較濕潤也可隔離讓它隔絕肉之間的摩擦。( 6 ) in this paper. adopting fea software ansys to simulation and analysis the al ecap process. in order to spread out studying of ecap in the future. the results show : die comer angle, the radius of round angle, the friction coffience of workpiece and die, the properties of die ( elastic modulus, possion ratio ) et al, have some degree impact on the deformation of materials
（ 6 ）採用有限元（ fea ）分析軟體ansys對al的擠壓過程進行ecap模擬與分析，為后續研究工作做好鋪墊，分析結果表明：外切角、圓角半徑、試樣與凹模之間的摩擦系數、凹模本身的特性（如彈性模量、泊松比等）等等，對材料的變形量都由不同程度的影響。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。By the check - out, inspection and measurement to start construction the industrial art to this test pile with the examination between stake body mass and bearing power, made sure the stroke reasonable operation method drilling under the dissolved cavern geology term ; the pier foundation loading test expressed the lading and rub the lading that resistance drag a glazing for of relation, and to the borehole cast - in - place concrete pile in the karst terrain deliver with break the mechanism, the characteristic of bearing power, proceeding the spot test job of the full of result ; the test data expresses the stake side friction resistance to rises with a bat batch terminal friction resistance very important function, the of tip of pile resistance drag occupies the proportion very few
通過對本次試樁施工工藝的檢測和樁身質量及承載力的檢驗，確定了沖擊鉆在溶洞地質條件下的合理使用方法；基樁承載實驗表明了荷載與摩擦阻力之間的關系，並對巖溶地區的嵌巖灌注樁的荷載傳遞和破壞機理、承載力特性，進行了富有成果的現場測試工作；試驗數據表明樁側摩阻和支盤端阻起很重要的作用，樁端阻力所佔比例甚少。這與設計樁基時的計算模式相差很大，承載力也較設計增加；使用力學數值分析方法和有限單元法，對鉆孔灌注樁樁端下的巖體強度和結構穩定性方面進行模擬計算和定量研究。1. 5 m in diameter ) were dispersed in n46 engine oil with different concentrations using ultrasonic respectively in order to study their tribological properties. the tribological experiments were carried out by mq - 800 four - ball tribometer and mm - 200 ring - on - block tribometer, in which extreme pressure properties, wear scan diameter, friction coefficient and wear volume loss were measured. the results showed that oil containing mos2 nanoparticles had a better wear resistance, friction - reducing and extreme pressure than the oil containing common mos2
將上述制備得到的納米二硫化鉬顆粒和普通二硫化鉬粉末（ 1 . 5 m ）以不同濃度分散在n46機械油中，在mq - 800四球摩擦磨損試驗機上考察它們的最大無卡咬負荷（ p _ b值） 、耐磨性能和摩擦系數；並在mm - 200摩擦磨損試驗機上，通過環?塊摩擦副，比較和分析了它們的摩擦學特性。Properties of carbon film and crn - cu film
膜的摩擦學性能對比Single speed motor drive connected to a helical worm gear and a totally enclosed connecting gear box with heavy duty chain drive to the rolls and with fixed friction ratio according to customers request ( normally 1 : 1, 2 )
系統帶有同螺旋渦齒輪以及全封閉齒輪箱的單速馬達，它帶有重型鏈傳動系統並可根據客戶的需要固定摩擦比（通常為1 : 1 . 2 ） 。分享友人