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frictional
相关语句
  摩擦
     ON THE FRICTIONAL DISSIPATION DUE TO THE BOUNDARY OF A CYLINDRICAL VESSEL
     圆柱空间的边界摩擦耗散
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     Testing Mechanism of Frictional Electrostatic Tester of Fabrics
     摩擦式织物静电测定仪的测试原理
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     STUDY ON CALCULATION OF FRICTIONAL LOSS OF SPACE-CURVED PRESTRESSING TENDONS
     空间曲线预应力束摩擦应力损失计算方法的探讨
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     Elastic Cylindric Shell Hydrodynamic Gas Bearing Supported by Wave-formed Foil (Bump Foil) (Ⅱ)——The Frictional Power Loss Test and Its Parametric Investigation
     支承在波形箔带上的弹性圆壳动压气体轴承(Ⅱ)——摩擦功耗试验及其参数分析
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     To Calculating the Frictional Isolation Problem by SAP5
     用SAP5程序计算具有干摩擦之隔振问题
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  摩阻
     Obtains the theoretical errors of specific frictional head loss including 42.56% for laminar flow, -12.77% for critical area, 8.51% for turbulence smooth area, smaller than 8.51% for turbulence transition area and neglectable error for turbulence rough area.
     计算得到了比摩阻的理论误差:层流区42.56%、临界区-12.77%、湍流光滑区8.51%、湍流过渡区小于8.51%、湍流粗糙区误差可以忽略。
短句来源
     The results showed the frictional coefficient of the prepared material was stable ,around 0.35±0.05 ,frictional loss was 1/2—1/4 less than that of common asbestos friction material ,and the cost was decreased by 1/3—1/2. The friction material was already applied to YWZ— 630/201 and YWZ— 800/320 brakes, Volga and Beijing cars, and run well without noise.
     结果表明,该摩阻材料的摩擦系数稳定在0.35±0.05,磨损率约比普通石棉摩阻材料降低1/2~1/4,成本降低1/3~1/2。 该材料已安装在YWZ—630/201及YWZ—800/320制动器及伏尔加、北京212汽车上进行试验,无噪音运行良好。
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     Study and Effect of Negative Frictional Resistance of the CFG-Pile Composite Foundation
     复合地基CFG桩负摩阻力的影响及研究
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     ③ The retention force of cast post and the bonding strength of ZPC declined with the increasing of convergence angles of the post. For the parallel post (convergence angle=0°),the retention force was 321.60 N,the frictional force was 302.559 N,retention force per unit area was 2.976 N/mm2,frictional strength was 3.885 N/mm2;
     ③不同聚合度桩核的固位力和摩阻力测定:0°时固位力为321.60N,摩阻力为302.559N,单位面积固位力为2.976N/mm2,单位面积摩阻力为3.885N/mm2;
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     The Measurment of Surface Energy Change of Frictional Material
     摩阻材料表面能变化的测量
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  摩擦的
     The results show that 1) the contact stresses exhibit the real power type singularities -1/2± β in the edge of the contact zone for the frictional contact problem with β determined by the material constants of the quasicrystal and the static frictional factor;
     结果显示,对于具有有限摩擦的接触问题,接触应力在接触区边缘具有实指数奇异性-1/2±β,其中β由准晶体的材料常数及静摩擦系数确定;
短句来源
     The elastic frictional contact problem of the wheel-rail curve negotiation is solved by using the parametric variational principle, the corresponding finite element parametric quadratic programming method and multi-substructure technique to avoid semi-space assumption in traditional wheel-rail contact theory.
     本文利用参变量变分原理和由其推导的有限元参数二次规划法,结合多重子结构技术求解曲线通过时考虑摩擦的轮轨弹性接触问题,该方法避免了传统滚动接触理论中的半空间假设。
     A Solution Method for Three Dimensional Elastic Contact Problems with Various Frictional Conditions -the Contact Element Method
     解决三维有摩擦的弹性接触问题的一种方法——接触单元法
短句来源
     Frictional coefficient of PAPER/AL/PE film was measured on different surface and different direction,and the data was analyzed and compared with these different ingredients,thus the frictional coefficient of this new material could be better understood.
     通过对纸铝塑复合薄膜正反两摩擦基材面相互摩擦及不同角度摩擦的动、静摩擦系数值的测定,比较并分析了不同摩擦基材面和不同摩擦方向对其大小的影响,从而对这种新材料的摩擦系数有了进一步的认识。
短句来源
     Problems of frictional contact, viz. , a nonsmooth equations model and its nonsmooth method for two-dimensional frictional contact problems are studied.
     接触问题是一个多重非线性问题 ,难以转化为经典的光滑模型进行求解 ,运用非光滑分析的理论与算法研究有摩擦的接触问题 ,给出了二维摩擦接触问题的一种非光滑方程组模型及算法 ,并给出了算例 .
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  “frictional”译为未确定词的双语例句
     Lyapunov exponent and dimension of the strange attractor of elastic frictional system
     Lyapunov exponent and dimension of the strange attractor of elastic frictional system
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     FEM SIMULATION OF BIMETAL FORMING PROCESS BASED ON FRICTIONAL ELEMENT TECHNOLOGY
     FEM SIMULATION OF BIMETAL FORMING PROCESS BASED ON FRICTIONAL ELEMENT TECHNOLOGY
短句来源
     The main characteristic targets were that the tensile strength was 50 - 60MPa, the notch impact strength ≥12kJ/m2, the frictional coefficient was 0.20 - 0.30. The accuracy grade of small mould number gear (m=0.5, Z=72) by this blend could be Grade 7 (See GB2363- 80).
     POM/LDPE/Z-1共混物的主要性能指标为:拉伸强度50~60MPa,缺口冲击强度不小于12kJ/m~2,摩擦系数为0.20~0.30,用该共混物制作的小模数齿轮(m=0.5,Z=72)的精度等级达7级(参见GB 2363-80)。
短句来源
     There are 1~2℃at frictional plane ,when σ 1 =50MPa ,θ≈30°.
     当σ1=50MPa,μ=1情况下,当θ≈30°时,单位体积大约可产生1~2℃的升温效应。
短句来源
     The obtained frictional coefficient is 0.485 at Shengou, 0.57 at Guanchang, 0.556 at Nanma, 0.75 at Zoli, 0.41 at Dingxiling, 0.33 at Xiataoyuan, and 0.705 at Butterfly Spring.
     得到的摩擦系数是:深沟—0.458,官昌—0.57,南马—0.556,苴力—0.75,定西岭0.41,下桃园—0.33,蝴蝶泉—0.705。
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  frictional
A fourth-order variational inequality of the second kind arising in a plate frictional bending problem is considered.
      
Calculating frictional force with considering material microstructure and potential on contact surfaces
      
A method based on the energy dissipation mechanism of an Independent Oscillator model is used to calculate the frictional force and the friction coefficient of interfacial friction.
      
The relationships between frictional force and parameters of a tribo-system, such as surface energy and microstructure of interfacial material, are set up.
      
The calculation results of the known experimental data denote that the frictional force is nearly proportional to the surface energy of the material, nearly inversely proportional to the scaling length, and independent of the lattice constant.
      
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The present paper treats the compression of a rectangular block between two parallel rough plates as a problem in the theory of plane strain for perfectly plastic-rigid materials.At first, the plastic-rigid theory of plane strain was outlined, then, the solution to the present problem is briefly surveyed. In section 4, the case that is left out in the present literature, viz. when the width-height ratio lies between 1 and 3.64 for partially rough plates is solved. In this treatment, the coefficient of friction...

The present paper treats the compression of a rectangular block between two parallel rough plates as a problem in the theory of plane strain for perfectly plastic-rigid materials.At first, the plastic-rigid theory of plane strain was outlined, then, the solution to the present problem is briefly surveyed. In section 4, the case that is left out in the present literature, viz. when the width-height ratio lies between 1 and 3.64 for partially rough plates is solved. In this treatment, the coefficient of friction ν is considered as constant along the contact surfaces. For eachμ, a critical value of the ratio w0/h is given. When w/hfrictional force is put to full use. In this case, there is no slip along the contact surfaces and the solution is the same as if the contact were perfectly rough.When w0/hfrictional angle shown in Fig. 3, the slip line field can be constructed in a similar manner as initiated by A. F. Green (ref. 5). In the present case, however, a new parameter connected with μ should be added and the semi-inverse type of construction becomes very complicated.For w/h, the construction is again straightforward. The graphical construction used is described in detail in Appendix Ⅱ.The results of the solution are expressed in terms of Figs. 6 and 7, which show respectively: the average pressure on the plates vs. the width-height ratio for different values of μ and the pressure distributions along the plates. Although the construction for the intermediate case, w0/hfrictional angle connected with μ(Eq. 11).Finally, a short discussion on the graphical construction used for the case of constant μ is given in Appendix Ⅱ.

本文将平行刚性压板间的塑性流动问题作为理想刚塑性的平面应变问题处理;先简单的复习理想刚塑性的平面应变问题,然后对本问题已做的部分作简短的介绍,再处理了现在还未解决的情形,那就是:当1

In this paper a 4-roller two-zone apron type super-high drafting apparatus is introduced. Considerations under which this apparatus was designed, like drafting capacity, method of controlling fibre motion, type of mechanism, etc., are described in detail. The emphasis is laid on the distribution of zone of frictional force before and after the roving entering each drafting zone. The importance of collectors in super-high drafting apparatus is thereby examined from this point of view, and the factors of...

In this paper a 4-roller two-zone apron type super-high drafting apparatus is introduced. Considerations under which this apparatus was designed, like drafting capacity, method of controlling fibre motion, type of mechanism, etc., are described in detail. The emphasis is laid on the distribution of zone of frictional force before and after the roving entering each drafting zone. The importance of collectors in super-high drafting apparatus is thereby examined from this point of view, and the factors of their design exploited。 The results of its preliminary tests are described. It can be seen that the spinning test for 23~S english counts gives optimistic results though further tests are still required. Factors influencing the design and spinning conditions in this drafting apparatus are discussed at the end of this paper.

本文說明了四羅拉雙區皮圈式超大牽伸設計時牽伸倍數的要求,型式的决定,並討論了在具體設計中關於摩擦力界的布置,集合器及加壓上的設計問題。文中並引用了初步試驗的結果說明在實踐中所産生的现象與提出的問題,最後曾對餵入方式,後牽伸區中影響纖維運動的一些因素及纖維密度等加以簡略的討論。

The contact surface in plastic deformation is considered as a field, whose field-line is given by the "generalized rule of gradient" based upon the condition of least resistance applied both to effective and ineffective direction of "relative" slip on solid and liquid surfaces, as shown by equation (1),which is the formulation of the sta tement that the direction of field-lines is the direction of (most rapidly) decreasing frictional resistance [equation (2) ]. The main results are:

前文简略地提到塑压陡线规律。本文视最小摩阻条件所定义之塑压接触面为一曲面“流”场,旨在于提出此“最小摩阻场”之场线规律与场函数(摩擦应力τ,压应力ρ)规律。主要结果为: 推广前文之陡线规律于广泛情况,指出“摩擦场”与“滑质场”之基本区别在于前者为发散场,向外减阻;后者为收敛场,向内减阻。二者之复合场有“分水岭”,内场收敛,外场发散。金属表面之粘性粘着区须为一收敛场。陡线规律之库仑标量方程引出两重要推论: (1)摩擦力正比于压力之陡率(并给出比例函数之实例); (2)一切塑性压力分布皆为摩擦线弧长之函数,常含一指数项。这概括进现存不少特解。 由严格不滑动条件定出具体之粘着区域。 试图研究(τ,ρ)在应力圆中定义之“摩擦点”变化规律。以重叠应力圆法定出平面应变时此点之变域,说明在平压中摩擦系数不大时,压力约近于第一主应力。 本文仅涉及原则问题。场函数解法之一见作者另文。

 
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