An introduction is given to speed increase of existing railways in China, and the research, development, and test of high speed railway carriers, and a prospect of China’s high speed railway is presented.
从国外铁路高速经验所赋予的启示出发,介绍了我国铁路提速以及铁路高速运载工具的研究、开发与试验,并展望了未来中国高速铁路的前景。
Effect of loading rate on entire deformational characteristics of rock specimen;
加载速度对岩样全部变形特征的影响
Compression properties indexes including elastic modulus, failure force, failure stress and failure energy were obtained by the compression test of rice grain, and the effect of loading rate on compression properties indexes of paddy rice grain was studied.
通过对稻米籽粒的挤压试验,获得稻米籽粒挤压特性的力学指标包括弹性模量、破坏力、破坏应力及破坏能等,并研究了加载速度对稻米籽粒挤压特性指标的影响。
At different loading rates,the fracture surfaces of PC and PS specimens subjected to the three-point bending test are carefully observed and measured.
通过对不同加载速度下的聚苯乙烯、聚碳酸脂三点弯曲试样断面形态特征进行仔细的观察分析和测量,考察了断面形态及其特征尺寸随加载速度产生的变化,并对其机制进行了探讨。
Effect of loading speed on fracture mechanism of TiAl-based alloys;
加载速度对TiAl基合金断裂机理的影响
The Effect of Loading Speed on The Static Compressive Property of Polystyrene Cushioning Material;
加载速度对聚苯乙烯缓冲材料静态压缩特性的影响
The measure results of thermal compressive strength were influenced by loading velocity,constant temperature,constant temperature time,measuring atmosphere,measuring sequence etc.
对无烟煤气化型煤热强度的测试条件和方法进行了较为系统的研究 ,考察了加载速度、恒温温度、恒温时间、测试气氛、测定顺序等对测试结果的影响 ,提出了关于无烟煤气化型煤热强度的测试条件、方法及仪器设备 ,即恒温温度 90 0℃、恒温时间 4 5min、埋沙、加载速度 1 0~ 1 5mm/min、马弗炉外测法 。
For heterogeneous rock specimen with smooth ends and initially random material imperfections in uniaxial plane strain compression,the effects of loading velocity on the failure process are modeled using FLAC.
在单轴平面应变压缩条件下,采用FLAC模拟加载速度对具有随机材料缺陷岩样破坏过程的影响。
The effect of loading velocity, crack length and its shape on the value of K(Ic)is studied.
用三点弯曲法测定大理石的K(Ic),研究加载速度,裂纹长度和裂纹几何形状对测定(KIc)的影响。
Research on rational shearing speed of high-speed precision shearing for metal bar
棒料高速精密剪切合理加载速度的探讨
Compress pictures for smaller file size and faster loading.
压缩图片以获得更小的文件和更快的加载速度。
Big images mean big loading problem.
大尺寸的图片意味着大问题的加载速度。
Effect of Loading Speed on Damage and Fracture Behavior of TiAl-based Alloys;
加载速度对TiAl基合金的损伤及断裂行为的影响
The real-time estimation of velocity and acceleration from GPS carrier-phase measurements
GPS实时测量速度与加速度的载波相位方法
The list in the Available Contracts tab should load quicker.
读载“有效合同”标签下的列表速度加快。
Missile-borne Storage Measurement and Test Instrument of Acceleration Based on CPLD
基于CPLD的弹载加速度存储测试仪
Temperature and preload voltage effect on nonlinearity of MEMS accelerometer
温度、预载电压对MEMS加速度计输出的影响(英文)
DETERMINATION OF VELOCITY AND VERTICAL ACCELERATION IN AIRBORNE GRAVIMETRY BY USING GPS
航空重力测量中利用GPS测定载体的速度和垂直加速度
Acceleration and Velocity Estimation of Targets in Bistatic Multi-Frequency FMCW Radar
双基地多载频FMCW雷达目标加速度和速度估计方法
The effects of loading rate and specimen net thickness on tearing toughness were investigated.
考察了加载速率和试件厚度对撕裂韧性的影响。
Optimal Design of Low-Test-Rang and High-Shock-Resistant Strain Accelerometer
抗高过载低量程应变式加速度计优化设计
Effect of High Acceleration Load on Delay Performance of Boron Base Pyrotechnic Composite;
高加速度过载对硼系延期药延期性能的影响
Research on the Method of Acceleration Determination Based on GPS;
基于GPS的载体运动加速度确定方法研究
Research on Torque Control Technology of Speed-Passive Drive System
速度被动型传动系统的加载转矩控制技术研究
Dynamic Analysis of Micro-machined Accelerometer under High Overload
高过载条件下微型加速度计的动态分析
Sensors Unit Design of GFSIN-Based Vehicle Embedded Intelligent Acceleration
基于GFSIN的车载式智能加速度传感单元的设计
Single-Carrier Modulation-Type Accelerometer Capacitance Detection Circuit
单载波调制型加速度计差分电容检测电路
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