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单词 Frictional
例句
1. It is the rate of frictional and structural unemployment.
2. This frictional generator, the largest of its type, produced 24-inch discharges, equivalent to about 300,000 volts.
3. This can be expressed as the frictional coefficient for the chain, again within the tube confines.
4. As the plate descends frictional heat is generated between its upper surface and the surrounding mantle.
5. Any two surfaces rubbing together produce frictional heat, such as a brake shoe pressing against a brake-drum.
6. Further, deep-water surface waves propagate with almost no frictional loss of energy.
7. But the larger starting frictional resistance.
8. Fill lube to the frictional parts termly.
9. How does the frictional force do that?
10. Viswanathan has analyzed the frictional interaction between fiber fringes.
11. An alternative model ascribes the stream to frictional forces.
12. In other words, frictional work is not completely recoverable.
13. The frictional dissipation will introduce an exponential decay.
14. So there is also a frictional force.
15. Notice that the frictional force is going up, because this term is added, and we didn't have that term before.
16. It has enough energy to overcome the frictional resistance in valves and registers.
16. try its best to gather and create good sentences.
17. Frictional unemployment is the temporary unemployment caused by the time it takes people to find new jobs.
18. This paper objectively expounds the frictional mechanism of plastic deformed surface from the angle of tribology.
19. The frictional resistance can be more dominant than acceleration resistance for a longer fire zone, and ac...
20. From the point of view of demand management, therefore, frictional and structural unemployment is an irreducible minimum unemployment rate.
21. Three possible contact driving mechanisms of SAW motor are discussed, and the frictional drive of SAW motor is shown by the linear relation between the speed of the slider and the driving voltage.
22. The frictionwear in stages of breaking - in , steady wear, scuffing and frictional noises were studied.
23. Thus, this paper provides a theoretical basis in the improvement of structure design of friction plates, and in the increasing of the ability of the frictional electromagnetic clutch.
24. Based on prestress loss theory, a simplified analytic algorithm of virtual frictional loss function was set up in a universal way.
25. This article discusses the changes in properties, in particular with regard to frictional resistance and the enormous reduction in wear, which can be achieved by adding aramid to PA66.
26. The results demonstrate that when surface roughness increases, the load capacity and the frictional force of surface asperities increase, but the oil film-thickness ratio decreases.
27. If, however, this object wants to go in this direction - which I do not know-- then the frictional force has to be put in this direction.
28. Rolling material support ball is set, to minimize fish tail with sheet bar and to reduce frictional resistance.
29. Gives a calculation formula of the absolute error of specific frictional head losses.
30. OBJECTIVE: To introduce a newly developed self-locking brackets, and investigate the frictional forces of the brackets.
31. To study the adsorptive mechanism and sliding frictional mechanism between the head and disk of the magnetic disk unit, a qualitative analysis theory is given in this paper.
32. Due to the limitations and ambiquity of the old frictional law, this paper points out the necessity of analysing the physical interpretation of coefficient of friction.
33. The frictional resistance can be more dominant than acceleration resistance for a longer fire zone, and acceleration resistance can be more dominant for a shorter one.
34. So now the situation is only safe as long as the frictional force is smaller or equal to the maximum value possible.
35. We combine Neural Networks with regular PID controller to create a single neuron adaptive PID controller, in order to apply it to electric inertia system in frictional tester.
36. Element-free Galerkin method (EFGM) is especially suitable for analysis of the frictional contact problems of rock structures because no element connectivity is needed.
37. They have a high static and dynamic load capability, have good frictional properties with negligible stick-slip and resist solvents due to no water absorption making them dimensionally stable.
38. Said frictional electric generator consists of friction wheel, electric generator and push-pull rod.
39. Calculation and test results are presented for an additional mass with frictional engagement and a clutch with continuous slip.
40. So I know what the frictional force is given by this result.
41. We find that the drag force of the projectile in the rising process can be well described by adding a viscous damping and a bulk frictional force.
42. We combine neural networks with a regular PID controller to create a single neuron adaptive PID controller, which is then applied to an electric inertia system in the frictional tester.
43. Frictional Unemployment - A type of unemployment which an individual is between jobs.
44. It is believed that the elastoplastic dynamic time historied analysis of basic frames can be used for dynamic time historied analysis of shock absorbing structures with frictional energy dissipation.
45. The test method of pressure loss, flow loss and frictional force loss etc. of the hydraulic pumping units is presented, from which the mechanical efficiency and volumetric efficiency are obtained.
46. Frictional forces may also act when there is no relative motion.
46. try its best to collect and create good sentences.
47. The simple frictional belt transmission experiment is converted into a general designing type involving belt transmission, chain transmission, gear transmission and mechanical innovation design.
48. DOC - Solving frictional contact problems with the proposed iterative method of Gauss.
49. But I'm only interested in the magnitude for now, so I get R times the frictional force.
50. This paper proposes a general model of curved prestressing tendons in skew web of the curved box girder bridge, the effects of space curve on frictional loss have been analyzed.
51. The deformation and contact frictional force of elastomer pressure shear break are studied in proportion loading.
52. The relationships between frictional factor , vertical pressure and frictional resistance vertical pressure are grained.
53. The frictional resistance of Babbitt glide axel blush is great. In particular, when the mill starts working, static frictional resistance moment of force is great as well as the abrasion of tiling.
54. The frictional resistance and washability of the finishing fabric have been tested, and the results show that it has good durability, i. e. , durable single-side moisture transporting property.
55. The film pressure, end leakage flow - rate and frictional coefficient of misaligned journal bearing were calculated.
56. It is proved that the normal pressure on the sliding surface, sliding velocity and surface characteristic have influence on variety laws of frictional coefficient on the sliding surface.
57. Frictional Unemployment - A type of unemployment in which an individual is between jobs.
58. The results are proved to good by many experiments and it is also proved that the frictional force on the tool face has great influence on chip formation.
59. Thus far we have negative frictional effects in the harmonic oscillator.
60. It is shown from the analysis of formation mechanism that the pressure gradient force, vertically frictional force and Coriolis force play the leading roles in forming the YSWC.
61. An iterative algorithm is used to work out the vertical properties, including vertical stiffness, contact length and frictional force distribution in longitudinal direction.
62. One is the modified Bingham model which consists of Bingham model (a frictional element in parallel with a dashpot) in series with a spring element.
63. In view of a specific X-Y numerical-control work table, the servo system mathematical model is established considering frictional influence.
64. The sliding frictional properties of ZA27 alloys which are the same material friction couples have been researched under the dry friction and lubricant through SRV sliding friction testing apparatus.
65. There are three types of graduate unemployment: structural unemployment, frictional unemployment and voluntary unemployment.
66. Frictional behavior is modified by colloidal silica or starch deposition.
67. This depends on the estimation of the temperatures generated by frictional heat.
68. An iterative algorithm is advanced to work out contact length and vertical load and frictional force distribution in longitudinal direction.
69. In the solvent-permeable and ion- penetrable porous surface layer of the particle, idealized hydrodynamic frictional segments with fixed charges are assumed to distribute at a uniform density.
70. Grinding technology with no frictional heat by using cooling water pump technology allows the resultant powders to retain flavours and nutritional components.
71. The influences of the steady-state frictional heat on the contact performance of surface asperities and subsurface stress distribution in contact bodies were investigated.
72. The experimental studies on frictional sliding of four kinds of rocks were made by the double shear test method.
73. The prediction correlation of two-phase flow frictional resistance is modified in order to accurately predict the refrigerant frictional resistance in the evaporative generator.
74. The paper summarized the frictional sliding behavior, deformative characteristics and their changes with deformed conditions of each kind of gouge.
75. By means of molecular dynamics simulations and experiments on microscopic scale, the project studied frictional and rheological properties of molecularly thin liquid lubricant films.
76. Then,[http:///frictional.html] the distribution of frictional resistance and axial force along the Bolt length are discussed by different kin detail on the base of the obtained analytical solution.
77. Numerical analyses of seismic behavior have been completed on a steel frame structure with a T-shaped core plate frictional damper by applying ANSYS in Tianjin city in the present paper.
78. The author presents a relatively precise formula for calculating fluid frictional loss in a natural ventilation counter-pressure smoke stack after performing a strict theoretical deduction.
79. Based on experimental results and previous works, frictional loss of slurry in pipe has been simulated and predicated by artificial neural network.
80. The relative axial motions between cyliner and roller are composed of spiral motion, elastic slide and frictional slide.
81. The frictional force between a particle and fluid counterbalances the weight of the particle.
82. This paper expatiates on the causes of negative frictional resistance which may appear on bridge piles, analyses the calculation methods and gives ten methods reducing it.
83. By contrasting prestressed loss and frictional capability of three methods, the mutative rules of prestressed loss and frictional coefficient were summarized.
84. Equations both for calculating frictional pressure drop and heat transfer coefficients of single-phase flow in annulus gap are presented from experimental data.
85. Thus far we have negated frictional effects in the harmonic oscillator.
86. In severe creasing the frictional resistance plays only a minor role in determining the crease resistance.
87. The test included anchoring force of prestressed anchor cable, frictional coefficients, stress of concrete and steel bar and structure deformation.
88. It was discovered in the result that a very large frictional force at both sides of swinging rod of the expander would lead to an increment of frictional loss at these places.
89. So this frictional force is really having a rough time starting off in this direction, slowly becoming less becoming zero, changing direction, reaching the maximum and finally losing the battle.
90. Specially used for elevator emergency brake, with characteristics of high frictional coefficient and mechanical strength.
91. The formulas of slip frictional force and torque of bearing clutch, a new foreign product, were deduced under the condition of no lubrication based on elastic fluid deformation theory.
92. The utility model can not only ensure sufficient adhesion for the frictional materials and the brake shoe bottom plate but also will not lower the strength of the bottom plate.
93. When people capable of working are unable to find work. There are two main types of unemployment. Frictional unemployment is the ...
94. Frictional unemployment is unemployment resulting from short – run job – matching problems and is usually of relatively short duration.
95. A line contacted spherical bearing pair structure whose frictional characteristics are better than the present ones is put forward.
96. Those frictional forces for this rope to go in this direction will flip over.
97. Drive tension is caused by resistance of driving force and cutting resistance and frictional resistance and it is not the same value at different places.
98. And the frictional force, in this case will adjust itself just the right way so that Newton's Second Law in the x direction will give you, for the force,() a zero.
99. A mechanical seal test stand is designed in which spring pressure can be changed. Conduct an investigation in the spring pressure, shaft speed, medium pressure, leakage and frictional torque.
100. Therefore, we can reduce the effect of frictional loss in the wellbore by drilling well with larger diameter or producing with small production rate.
101. The relative sliding velocity, the coefficient of friction and frictional heat flux between contact tooth flanks are calculated.
102. The direction of choosing material for tractive sheave and towline as well as resolutions to reduce frictional wear are put forward.
103. Radio and TV noises and channel setting anomalies were duplicated in a laboratory experiment using a Van de Graaff electrostatic generator utilizing frictional electricity.
104. Since if the frictional resistance coefficient is a function of relative roughness, then the form resistance coefficient is independent of the Reynolds number.
105. The tribological performance of metal frictional material for braking is influenced much greatly by the temperature, pressure, relative sliding velocity, and the content of alloy elements.
106. Roller bearing clutch is a new kind of frictional sprag clutch.
106. is a online sentence dictionary, on which you can find good sentences for a large number of words.
107. The structure of the friction-increasing chain effectively increases the frictional resistance between the wheel and the mud pit so that the anti-sliding effect is good.
108. Optimization way and development of piston set frictional loss reduction are explained by the measurement result achieved with the floating cylinder sleeve measurement equipment.
109. This might be enough to counteract the frictional force that holds the slabs of rock in place, making it easier for faults to slip.
110. The temperature effect of scuffing in sliding contact of steel is explored from the point of view of frictional temperature.
111. The interaction of the filled materials, the subsoil, and the open cylinder are studied. It is discussed in detail for the mechanism of the frictional resistance and the variations of effective ratio.
112. If multi-disc energy absorber and flexible bumper are linked together, it can significantly turn kinetic energy of tramcar into frictional heat.
113. The shrill frictional noise of disc brake is investigated in this paper.
114. For this reason, ANSYS uses a symmetrization algorithm by which most frictional contact problems can be solved using solvers for symmetric systems.
115. Experimental study is made for the frictional loss of three kinds of slurries , such as copper lead zin iron tailings, coal ash and so on.
116. A new type of non asbestos frictional material is developed, which is made of phenolic resin, glass fiber, alumina, silicon oxide, barium sulfate, copper powder and graphite.
117. Frictional resistance constrains lateral deformation of end face of test piece, resulting in unevenness of deformation to the whole test piece.
118. Friction prevents it from doing so so there's going to be a frictional force in this direction.
119. To find out a new method for decreasing-adhesive force and frictional resistance, this paper re- searched on the Elaphe rufodorsata s ventral scale.
120. The key factors affecting frictional pressure loss in narrow annuli are changing annular dimensions, rotation and vibration of drill strings.
121. We have friction in this direction, because clearly the ladder wants to slide like this, so the frictional force will try to prevent that, will be in this direction.
122. Because of the ice and the snow, it has less frictional force.
123. The dynamic interaction between an embedded object and surrounding media with a unilateral frictional contact interface is studied by time-domain boundary element method.
124. Based on reduced iron powder,[] this brake-block forms a composite of heterogeneous structure which contains certain quantity of frictional and lubricational elements.
125. So in this thesis, which is based on wet friction clutch of the mineral locomotive designed, design method, work performance and frictional heating of wet friction clutch are primarily studied.
126. Thirdly, the existence of the information transmit failure makes frictional unemployment among the under graduates.
127. Applying coat of grease or antirust oil on unpainted metal surface and every frictional part.
128. Viscosity: Viscosity is the crude oil in the flow caused by the internal frictional resistance, crude oil viscosity depends on temperature, pressure, dissolved gas and its chemical composition.
129. The relationship between dust emission rate and frictional velocity was analyzed too.
130. According to the analysis for failure reasons of vertical shaft wall in Linhuan Coal Mine, its main reason is longitudinal load produced by negative frictional force.
131. Behavior of an improved pseudo viscous frictional damper ( IPVFD ) was studied by testing and numerical analysis.
132. With the increase of frictional force, the direction ability of guardrail will be weak.
133. In the designing calculation of huge heavy loading manipulating equipments the frictional force should not be neglected.
134. In the absence of frictional energy dissipation, input work and output work are equal.
135. According to characters of geometrical shape and frictional force of steel ball, the practical mechanism with special function is designed by using steel ball composed of special construction.
136. It is moving, so sure, it's going to be accelerated so the frictional force is in this direction, has this value.
137. The load-settlement curve, the proportion between pile compression and pile top settlement, the distribution of axial force and lateral frictional resistance under vertical loads are obtained.
138. This paper investigates design, construction and performance tests of a thin disc piezoelectric clutch mechanism, including a driving frictional member and a driven frictional member.
139. As a result, oil pump frictional losses are reduced during the warm - up period.
140. Analyze and predict the wear situation of components. Select materials, surface treatment, oil and oil additives to achieve minimum frictional loss, good product reliability at lowest possible cost.
141. It is found that the unit frictional resistances of DX pile is also higher than that of the pile with constant section because of squeezed efficiency of disk.
142. The frictional mechanism is explained by using of point catastrophe model in catastrophe theory, stick-slip friction theory and binomial law of friction.
143. Analysis the causes and results of the phenomenon that calculating of frictional resistance in industrial pipe-line design is not accurate enough.
144. MAIN OUTCOME MEASURES: Waveshape was observed through the use of storage oscillograph and corresponding data were recorded. Frictional force was determined and compared.
145. In this paper the frictional resistance to dissipate energy is used to substitute the viscous damping for TMD system.
146. The effect of influencing the plastic instability is reduction of area, concave die half angle, lubricates and frictional factor etc. And it submits the reasonable range by the calculation graph.
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