摩擦性質 的英文怎麼說

中文拼音 [xìngzhí]
摩擦性質 英文
frictional property
  • : 摩構詞成分。
  • : 動詞1 (摩擦) rub 2 (用布、 手巾等摩擦使干凈; 揩拭; 抹) wipe; scrub; clean 3 (塗抹; 搽) spre...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
  • 摩擦 : 1 (互相接觸的兩物體作來回相對運動) rub; chafe 2 [物理學] (相互接觸的兩物體在接觸面上發生阻礙相...
  1. 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,經過卡那黴素抗篩選,最後獲得了轉pap基因的工程煙草植株,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的高抗病毒的蛋白
  2. So this base isolation technique has profound prospects. unfortunately there exist definite difficulties in the calculation because of the nonlinear of the base friction force. now, both the equivalent damping method and the numerical calculatin of the vibration response of the base - isolated buildings are frequently used in the calculation of the seismic response of the base - isolated building. however both of them have certain drawbacks. in this paper, the response of the building with base - isolation system is derived by the method of fourier expansion for the friction force and the earthquake response. at the same time, the sliding vibration character of inertia of a single mass structure and the sliding vibration response of a muti - mass structure are discussed. the stable condition of the sliding base isolation system of a structure is given. in the end, two circes of base fixation and base sliding are analyzed by adopting ansys

    本文利用對力和地震響應進行付氏級數展開的方法導出了基底具有隔震系統的地震反應。同時,文中從研究單點結構的滑動振動慣力入手,進而對多點結構體系滑動振動反應進行探討,分別給出了結構滑動隔震的自身穩定條件。最後,本文利用ansys對基礎固定和基礎滑移隔震兩種工況進行了動力模擬模擬分析,進一步證實了基礎滑移隔規律。
  3. This article takes the lagrange equation as the principle, establishes mathematics modeling to the inertia brake vibration when it brakes, then simulates it with matlab. this paper educed the relation equations between, which are the inertia brake ' s friction coefficient of the brake ring and the friction disk, the mean radius, the braking force, rotation inertia of the driving top and the spline shaft, spiral climbing angle of the brake ' s concave - convex helicoid, the mean effort radius of the concave - convex helicoid, elasticity coefficient of the spring, quality of the driving top and the spline shaft, rotations inertia of the brake ' s rotation part besides the driving top and the spline shaft, suppresses sleeve. provides the theory basis for the inertia brake structure optimization

    本文以拉格朗日方程為理論基礎,對慣制動器在制動時的振動進行數學建模,然後用matlab對其進行模擬,得出了慣制動器在制動時振動角頻率分別與制動環和片之間的系數、制動力的平均半徑、主動頂和花鍵軸的轉動慣量、慣制動器的凹凸螺旋面的螺旋升角、凹凸螺旋面平均作用力的半徑、彈簧的彈系數、主動頂和花鍵軸的量、慣制動器除主動頂和花鍵軸外其他部分的轉動慣量和、頂壓套的量等慣制動器各零部件的物理參數之間的關系,為慣制動器的結構優化提供了理論依據。
  4. The drive principle of the spherical manipulator based on friction is studied, and simplified to be a two - mass oscillator model, though which the dynamics characters, optimization, frequency respond, and the control strategy is studied. firstly, based on the former experiment, the investigation is on the dynamic characters of the friction drive principle

    論文將對球基微操器的力驅動原理做深入分析,將其簡化為二元振子模型,通過對二元振子的討論,對應用力驅動原理的球基微操作器的運動狀態,動力學特徵,優化設計,頻響問題以及控制方式進行深入分析。
  5. Effects of proton irradiation on the tribological properties of phenolphthalein poly ether sulfone

    子輻照對酚酞聚芳醚碸能的影響
  6. 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量及承載力的檢驗,確定了沖擊鉆在溶洞地條件下的合理使用方法;基樁承載實驗表明了荷載與阻力之間的關系,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,進行了富有成果的現場測試工作;試驗數據表明樁側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方面進行模擬計算和定量研究。
  7. Aim of this study was to meet the need for development of tribological parts in pumps. at room temperature tribological properties of different sliding pairs of silicon carbide and alumina - based ceramics were tested using a laboratory tribometer in the ring - on - plate geometry under reciprocating sliding linear contact in different media, such as distilled water, aggressive media and air

    本文針對目前泵用零部件材料發展的需要,在實驗室磨損試驗機上研究了按環/塊線接觸方式作往復運動條件下的碳化硅和氧化鋁基陶瓷材料副在水、化學腐蝕作潤滑劑和無潤滑時室溫下的磨損特
  8. Novak layer method is introduced to obtain the vertical dynamic impedances of both an end - bearing pile and a floating pile in a homogenous stratum. and the vertical dynamic impedances of single pile are analyzed in homogenous elastic soil, inhomogenous viscoelastic soil homogenous viscoelastic soil. at the same time, the factors to influence the impedances of single pile are examined

    本論文採用novak薄層法,推導了在均地基中,端承單樁和單樁的動阻抗;並全面分析和對比了均、均粘彈和非均粘彈地基模型中的單樁的動力阻抗,考察了各種因素對單樁動力阻抗的影響程度。
  9. Whether it or not to improve the lubrication and dynamic performance of gear, at the same time to realize a " green lubrication " type of gear transmission of low cost, energy saving and easy maintenance by means of making use of the frication material ' s lubrication performance and meshed medium ' s elastic deformation

    能不能研究一種利用副材料的潤滑特和嚙合介的彈變形,實現既能改善齒輪的潤滑和動態特的效果,又能實現低成本、節能、易維護的綠色潤滑齒輪傳動?
  10. 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,介的滑移速度隨著半徑線變化的假設下,引入合理的速度場,得到了另一種圓盤上的壓力分佈規律,並對不同的條件及用不同方法計算得到的結果進行了對比。
  11. This paper has done the indoor test of the frictional property of the reinforced earth, and the prototype measurement and calculation with finite element method of the single level super high reinforcement retaining wall located in panzhihua city

    本文進行了室內拉筋摩擦性質的研究,對攀枝花市三中運動場單級超高加筋土擋墻進行了原型觀測和有限元計算分析。
  12. A two dimension small scale force sensor is developed which is used in the adhesion and friction tests, the sensor works well in the experiments. elastic modulus of nine different polyester / silicon rubber mixtures is tested, the results show that mixtures ’ elastic modulus increases with the aggrandizing of mass percentage of polyester. mixtures ’ adhesion abilitiy and especially mixture a ’ s adhesion - friction relationship are tested. these results provide experimental evidences for the fabricating of synthetic gecko hairs. lastly, a primary analysis of nanoscale hair modle is done, some hair preparation method is introduced, and the synthetic gecko foot hair fabricated by model moulding method is tested

    測試九種不同配比聚氨酯/硅橡膠合成材料的彈模量值,得出合成材料的彈模量隨聚氨酯量百分比增加而增大的結論;對九種合成試樣進行了粘著能測試,對實驗結果進行比較分析和討論;對粘著力最大的a試樣進行粘著力與力關系的實驗,得出粘著狀態下a試樣力與粘著力成線關系的結論。
  13. This kind of high silica wrought aluminum alloy is provided with low density and well heat - stability, especially with the metallurgical structur ? similar with bearing alloy ? which is composed of dispersion distribution common silicon crystal hard mass point and the alloyed basal body is very fit for the components manufacture ? can bear small capacity moving load and friction load

    這種高硅變形鋁合金具有密度小和200以下良好的熱穩定,特別是它的由彌散分佈的共晶硅硬點及合金化的相基體組成的類似軸承合金的金相組織、特別適合用於製做承受小能量動載荷和載荷的零件。
  14. Therefore, the theory of integration lags behind other theories in the area of m & a such as the theory of m & a motives and m & a performance, and ca n ' t meet the need of practices today the reason that integration large numbers after m & a is so difficultly progressing exists in the of the collisions between two different corporations, which are brought by the heterogeneity of corporations in the final analysis, corporations culture is an important factor that decides the idiosyncracy of corporations

    然而,在現有的,特別是國內的企業並購理論研究中,並購整合問題卻沒有受到應有的重視,結果不僅導致並購整合理論相對其他企業並購理論(如並購動因和效應理論)的嚴重滯后,而且導致並購整合理論已遠遠不能滿足當今企業並購實踐的需要。並購后企業之間的整合之所以難以進行,主要是由於兩個不同企業之間產生的大量沖突和,而這些沖突和的存在歸根結底是由於企業的異引起的。企業文化正是決定企業特的重要因素。
  15. It utilizes two boltclamped langevin transducers with unanimous frequency characteristic which convert vertical vibration to flexural traveling wave. they are arranged on the place of a elastic pipe to generated traveling - wave. when the traveling - wave propagate, the particles on the elastic pipe traverse an elliptic trajectory, materiel is transported by friction or acoustic streaming

    利用兩套頻率特一致並以縱向振動方式工作的夾心式換能器,通過合理的布局在導管中激勵出行波,使輸送管管壁點產生橢圓運動,從而利用或在液體中產生聲流來實現固體及液體的傳送。
  16. The performance of hydraulic transmission fluid no. 8, hyper automatic transmission fluid ( atf ), continuously variable transmission fluid ( cvtf ) were compared. the compared results are the reference of chosing the right fluid in cvt. the mechanism of znddp additive how effects on the performance of cvtf is investigated by x - ray photoelectron spectroscopy ( xps )

    ( 4 )研究了cvt對油品的品需求,並進行了8號液力傳動油、 atf油和cvtf油的理化指標和能對比測試,實驗結果為cvt變速器油的選用提供了參考;用x -射線光電子能譜儀對znddp添加劑的作用機理進行了研究,通過四球磨斑實驗,驗證了znddp添加劑對自動變速器油的改作用,為國內cvtf的研製指明了方向。
  17. Featuring shock resistance about ten times that of glass together with high abrasion resistance, these plastic optical lenses are at the heart of our swans brand products, which include special glasses for fishing, golf, baseball, marathon running, etc. as well as ski and swim goggles

    作為鏡片來說採用了超輕量,耐震是玻璃強度的10倍,耐強的光學優不變形高精密度鏡片來作為運動眼鏡。同時用swans品牌展現了釣魚,高爾夫,棒球,馬拉松等專用鏡片和滑雪,游泳的護目鏡。
  18. Potassium hexatitanate whisker was studied by lateral force microscopy ( lfm ). the contrast of the friction between potassium hexatitanate and the substrate was found. the signal of the potassium hexatitanate surface was almost flat, which showed the friction property of potassium hexatitanate surface is uniform

    利用側向力顯微鏡( lfm )對六鈦酸鉀晶須進行研究,發現六鈦酸鉀晶須和基體雲母的摩擦性質差別明顯,而六鈦酸鉀晶須表面摩擦性質比較均勻,信號上的差別主是由於六鈦酸鉀晶須表面的形貌起伏造成的。
  19. Improvement and progress in mechanical, tribological properties, high - temperature oxidation and corrosion resistance of hard multilayer coatings were summarized. efficient methods were put forward

    摘要總結了硬多層膜改善力學能、能、高溫氧化能、腐蝕能的方法及進展,指出了有效途徑。
  20. 3. present the concept of " strain compatible " was used in the thesis

    ( 3 )筋帶相同時,填料不同其加筋土的摩擦性質也有所不同。
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