of France, were investigated at different initial braking speeds and pressure with HJDS-Ⅱ simulating tester and MM-1000 fractional tester.
用HJDS-Ⅱ模拟试验机及MM-1000摩擦试验机,对西安超码科技有限公司、英国Dunlop公司、法国Carbon Industic公司生产的B757型、A320型飞机炭刹车盘材料,在不同制动初速度、压力工况下的摩擦特性进行了对比。
With the analysis of the force of racket to ball on the basis of physics,this paper shows that the friction of racket to ball will not only make ball-spin,but also produce first level velocity of the ball.
应用物理学的基本知识,通过对乒乓球的受力分析,指出球拍对球的摩擦力不但能制造旋转,同时还能使球产生平动初速度。
Frictional and wear behaviors of C/C composites from a needled felt at different braking speeds;
不同制动速度下针刺毡炭/炭复合材料的摩擦磨损行为
Tribological behaviour and mechanism of C/C-SiC-Fe composites at different braking speeds
不同制动速度下C/C-SiC-Fe材料的摩擦磨损行为及机理
Friction properties of C/C-SiC composites,manufactured by "warm compacted-in situ reacted" process,were investigated with an inertial braking apparatus at different braking speeds.
采用模拟刹车制动方法研究“温压-原位反应法”制备的C/C-S iC复合材料在不同制动速度下的摩擦磨损性能,分别用光学显微镜和扫描电子显微镜对摩擦表面及其磨屑形貌进行观察,用X射线衍射仪分析磨屑成分。
Friction wear property of brake materials by copper-based powder metallurgy with various brake speeds;
铜基粉末冶金刹车材料不同制动速度下的摩擦磨损性能
Research on the testing of braking deceleration of the parachute of mine hoist based on C8051F020 MCU
基于C8051F020单片机的矿井提升机防坠器制动减速度检测研究
Subsequently,the method and advantage of using intelligent testing system of the parachute gear are brought forward and testing curves and braking decelerations of unhook experiment are measured.
介绍了防坠器制动性能的传统检测试验方法,并分析了所存在的缺点,提出了采用防坠器智能检测系统进行性能试验的方法及其优点,并通过现场脱钩试验曲线,得出制动减速度等参数,按照技术标准对其进行性能分析,并提出存在的不足。
The values range of the braking deceleration was pointed out.
详细分析了跑车防护装置缓冲阻力的影响因子,得出跑车防护装置缓冲阻力的特性,指出其制动减速度的合理取值范围,从而为跑车防护装置的设计、检验认证、修订标准提供了理论依据。
According to"Coal mine Safety regulation"the request,this article mainly analyzes the relation between the hoist's brake torque and brake deceleration in the equipollent tail rope promotion system,produced the relational curve of deceleration and the gravity characteristic coefficient and the braking moment multiple.
根据《煤矿安全规程》的要求,通过对在等重尾绳提升系统中制动力矩与制动减速度关系的分析,给出了减速度与重力特性系数和制动力矩倍数的关系曲线。
3. For the friction of disc braking materials, both initial braking speeds and pressures have a distinct influence on wear mass loss.
3.对于盘形制动材料,制动初速度和制动压力对磨损量均有较大的影响。
Probe to Training Characters of Young Athletes Speed Resistance;
青少年运动员速度耐力训练特点初探
The Primary Research on the Training Ways of the Short-running Athletes Breakthrough of Speed;
短跑运动员突破速度障碍训练法初探
Preliminary Analysis the Characteristic of Acceleration and Energy Expenditure by the upper Limb Motions
上肢活动加速度与能量消耗特征初探
Research on Velocity Measurement of High-Speed Object's Braking Process
高速运动物体制动全过程速度测量研究
A Probe to the Influencing Factors of Motional Speed of Martial Arts & Its Training Skills;
对武术运动速度的影响因素及训练方法初探
CONFIRMING OF THE CENTER OF ACCELERATION AT INITIAL INSTANT OF MOTION AND ITS APPLICATION;
运动初瞬时加速度瞬心的一种确定方法及应用
The Initial Research on Special Speed Traning Pattern of 13~15 Years Old Soccer Players;
优秀少年足球运动员专项速度训练模式初探
The preliminary analysis of strong ground motion records from the M_s 8.0 Wenchuan Earthquake
汶川8.0级地震强震动加速度记录的初步分析
Initial Velocity Field for Solution to Strip Rolling Process by Rigid Plastic FEM
刚塑性有限元求解板带轧制过程的初速度场
Variable Structure Robust Control for Acceleration of Electric Vehicles Speed Governing System
电动汽车调速系统加速度变结构鲁棒控制
Engine- Control how fast you move throughout the galaxy.
发动机—控制你穿越星系的速度。
Tending to lower the rate of vital physiological activities.
抑制性的降低重要生理活动的速度的
Research on Acceleration Harmonic Cancellation of Electro-Hydraulic Servo Shaking Table;
电液伺服振动台加速度谐波抑制研究
The research on the Action Speed Training Mechanism in Wushu;
武术套路中动作速度训练机制的研究
Malfunction Analysis and Prevention of Automatic Hump Speed Control
自动化驼峰速度控制故障分析与预防
Application of control system based on acceleration to disturbance compensation
加速度在控制系统扰动补偿中的应用
Research and Manufacture on High Precision Dynarmic Integrated Test Platform of Retarders
高精度减速顶动态综合测试台的研制
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