The experimental results reveal that there is no apparent difference in the frequency of sounds generated by the friction and collision between two stones, although the sounds may differ in pressure.

由實驗結果可知，摩擦與撞擊這兩種不同的運動機制所產(chǎn)生的地聲音頻訊號国产日韩精品AⅤ一区二区，除聲壓強度上會有顯著的差異之外99re5久久在热线播放，其在頻譜上并無太大的差異性存在，這可能是因為摩擦運動基本上也可視其為無數(shù)個小撞擊運動欧美一区2区三区3区公司，因此其所產(chǎn)生之地聲聲紋基本上大同小異中国农村特级黄色视频。

Viscosity lower coefficient of friction small, can effectively reduce the mechanical operation of friction, easy to clean.

粘度較低、摩擦系數(shù)小中国熟妇乱XXXXX，能有效地減少機械運行的摩擦阻力最新最大最全偷拍二区，容易清洗。

Next, a few important friction models in common use are discussed, including six static and seven dynamic friction models. The forms, characteristics and applicability of these models are discussed in detail.

其次亚洲欧美一区二区啪啪啪， 系統(tǒng)地介紹了幾種較為重要的毛片免费地址、常用的摩擦模型，包括6種靜態(tài)摩擦模型和7種動態(tài)摩擦模型青青女在线被干视频，并對每一種模型的構成www.jizzcom，特點和適用范圍等進行了較為詳細地論述。

The piezoelectric motor includes a piezoelectric member which generates a first vibration mode and a second vibration mode simultaneously by an applied power and a frictional member of which a portion is insertedly attached into a concave portion indentedly formed on one side of the piezoelectric member, wherein the frictional member is in an elliptic motion by the vibration generated by the piezoelectric member, so that an influence of the attachment of the frictional member to a resonance frequency can be minimized.

該壓電電機包括：壓電構件色先锋先锋影音AV资源站，通過施加的功率同時產(chǎn)生第一振動模式和第二振動模式3级电影网站入口；摩擦構件，摩擦構件的一部分插入地附著到凹入地形成在壓電構件的一側(cè)上的凹入部分中亚洲视频在线观看第五区，其中看一下最好最好的黄片片最刺激的视频，摩擦構件通過由壓電構件產(chǎn)生的振動進行橢圓運動:人人爱人人操，從而能夠使附著摩擦構件對諧振頻率的影響最小化。

In order to reasonably depict four basic problems with friction, one Coulomb friction new form in first Kirchhoff stress is proposed to deal with finite deformation problems, other Coulomb friction form in incremental mode to elastoplastic flow theory; Hilbert function spaces concerning elastoplastical problems with friction are established, so it makes all operations and calculations in the treatise standardized within the scope of reasonably topologic structure; In view of functional extremum, the equivalence between generalized variational inequalities principles in elastoplasticity with friction and corresponding basic problems are testified by inducing Lagrangian multipliers, so it provides a rationally theoretical basis for numerical methods in elastoplasticity with friction; From the viewpoint of variational inequality, the theory of generalized variational inequalities in elasticity and elastoplasticity with frictional constraint is studied, and the uniqueness and existence of the solution of FEM is proofed under the proposed conditions of stress compatibility, and them FEM approximation and a discrete solution are discussed; Based on the principles of generalized variational inequalities in elastoplasticity with friction, direct generalized variational inequalities methods is pretended, which is a natural generalization and development of direct variational methods; Using generalized variational inequalities methods, some examples in metal forming including plane deformation, upset and extrusion are analyzed and the results prove that all the theories and methods in the paper are right, feasible, accurate and advanced.

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Aiming at the friction problem of metal deformation in stretch reducing course, a friction model has been established to solve the contact friction problem in rolling course simulation accurately.

針對張力減徑過程中金屬變形的摩擦問題殴美特级黄片，建立了摩擦模型91福利视频导航一区二区，比較準確地解決了軋制過程仿真時的接觸摩擦問題。

Four non-ionic europium complexes,〓-phen(11),〓·bipy(12),〓·dia(13) and 〓(14)(TTA=2-thenoyltrifluoroacetone, DBM=dibenzoylmethane, phen=phenanthroline, bipy=2,2'-bipyridine, dia=4,5- diazafluoren-9-one, dmbp=4,4'-dimethyl-2,2,-bipyridine), were synthesised and the triboluminescent phenomena of 12, 13 and 14 were firstly observed. Structure determinations of 11,12 and 14 were carried out. The triboluminescence maxima of 12 and 13 are similar to those of their photoluminescence. X-Ray structure analyses show that Eu atoms all exhibit eight-coordinate tetragonal antiprismatic geometries and complexes 11, 12 and 14 are all centrosymmetric.

二欧美性爱精品影库、合成了四個非離子型的銪的配合物：〓男人禁黄色视频、〓、和〓(14)[HTTA=2-噻吩三氟甲酰丙酮中文字幕黄片，DBM=二苯甲趺夥炎顙H荡的毛片18以下禁止；淄椋琾hen=鄰菲羅啉日日夜夜国产一区， bipy=2欧美性爱一级免费看，2'-聯(lián)吡啶，dia=4又粗又长的黄色视频，5-二氮雜芴-9-酮亚洲A级片中文字幕在线观看，dmbp=4草草操视频，4'-二甲基-2，2'-聯(lián)吡啶]国产精品香蕉在线的人，首次報道了12国产精品萌妹子6人美女毛片视频一区二区、13及14的摩擦發(fā)光性質(zhì)，測定了11色久综合在线、12及14的晶體結構www.91久久，并系統(tǒng)地討論了晶體結構和摩擦發(fā)光活性之間的關系。12及13的摩擦發(fā)光光譜的極大值均類似與其相應的光致發(fā)光光譜一本大道香蕉欧美精品69，表明它們有相同的激發(fā)態(tài)黄A大片免费播放网站。

But in actual experimental process, the viscous force of friction has influenc in the varying degree to the measurement result when the initial velocity of the slide block is different.

在氣墊導軌上做碰撞實驗欧美人与动牲性行为视频，最大限度地減少了摩擦阻力的影響精品日韩大片观看视频在线观看，但在實際的實驗過程中，仍發(fā)現(xiàn)滑塊的初速度不同時国产一级作爱A片免费视频，粘滯性摩擦阻力對測量結果有不同程度的影響久久人人摸人人搞，為此在氣墊導軌上增加了電子發(fā)射裝置，較好地控制滑塊的初速度和測量滑塊的加速度日韩国产一区，從而減小粘滯性摩擦阻力對測量結果的影響97欧美激情超碰一区二区。

This paper presents in more detail on the design process of the liner and piston group of Model CY6110 diesel engine,it has given certain analysis and study on the design,calculation,material,it also presents in more detail on various kinds of data of this group of frication pairs,such as structure design,material selection,pcocess machining,testing certification etc,as well as the further prospets for such research work so that the related people can take it as reference.

本文較為詳盡地介紹了CY6110型柴油機的缸套、活塞組的設計過程色图五月天，對發(fā)動機的缸套无码国产乱人伦偷精品视频、活塞、活塞環(huán)這組摩擦副的設計欧美wwwcomm、計算毛片手机在线、材料、工藝欧美爱视频、檢測等方面做了一定的分析和研究十八岁禁看的黄色网站；同時，也較詳細地了介紹這組摩擦副在結構設計www.99riav24.com、材料選配免费中文字幕WWW、工藝加工、試驗認證等方面的各項數(shù)據(jù)日本619视频网站www，以及此項研究工作的進一步展望网站懂得，以供有關人員參考。

Puts briefly, the braking system has the braking force through the friction filler block clamp revolving brake disc or the lining compaction revolving brake drum, during this process as a result of will rub produces the massive friction heats.

簡單地說伊人中文字幕中文无码，制動系統(tǒng)是通過摩擦襯塊夾緊旋轉(zhuǎn)的制動盤或摩擦襯片壓緊旋轉(zhuǎn)的制動鼓來產(chǎn)生制動力的中国熟妇精品社区，在此過程中將由于摩擦而產(chǎn)生大量的摩擦熱。

amiss：錯誤地日韩一区二区三区免费A片、不恰當?shù)?/p>

7. rib 肋骨av拍毛片自拍、(菜肴)排骨唉想吃呀 | 8. amiss 錯誤地、不恰當?shù)?| 9. rub 撫摩最新夫妻精品自拍网站、摩擦

coefficient of friction：摩擦系數(shù)

鞋底的防滑能力按BS EN 13287: 2004測試,以摩擦系數(shù)(coefficient of friction)表示. 測試報告應該包含成的大規(guī)模粗糙度(macro-roughness)加強抓緊地面的能力(請參看圖四). 比聚乙烯(polyvinyl chloride (PVC))和皮革(leather)制造的鞋底,更具防滑功能. 具有良好微粗糙度

dynamic friction：動態(tài)摩擦

這種情況有點象車輪在過彎時的打滑情況,一部汽車在彎中加速,如果因為速度過高發(fā)生側(cè)滑,驅(qū)動輪和地面的靜態(tài)摩擦(Static Friction)消失,換之而來的是動態(tài)摩擦(dynamic Friction),這時無論如何加大油門(等于加大牽引力)都無法再產(chǎn)生向前的加速度,

frictionless：無摩擦

谷歌希望自己的收費系統(tǒng)Checkout能夠成為新聞內(nèi)容提供者和閱讀者之間的支付經(jīng)紀平臺. 谷歌此舉表明其將更多地進入eBay的在線支付系統(tǒng)PayPal的領域. 目前,PayPal被認為是市場上從事低價格和無摩擦(frictionless)在線交易業(yè)務的領頭羊.

gratefully：感激地

grateful 感激的 | gratefully 感激地 | grater 摩擦者

gratefully：感激地, 感謝地 (副)

Grateful Dead 偉大的死亡, 著名美國搖滾樂隊 | gratefully 感激地, 感謝地 (副) | grater 摩擦者; 擦碎器, 磨碎器 (名)

grater：摩擦者

gratefully 感激地 | grater 摩擦者 | graticule 格子線

gratifyingly：令人滿意地; 使人滿足地 (副)

gratifying 悅?cè)说? 令人滿足的 (形) | gratifyingly 令人滿意地; 使人滿足地 (副) | grating 光柵, 摩擦聲, 摩擦 (名)

gratingly：使人氣惱地 (副)

grating 光柵, 摩擦聲, 摩擦 (名) | gratingly 使人氣惱地 (副) | gratis 免費; 白送 (副)

innocently：無罪地,天真地,單純地

rub v.擦,摩擦 | innocently無罪地,天真地,單純地 | friend zone朋友區(qū).