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1)  piezoresistivity [pai,i:zəu,ri:zis'tiviti]
压阻特性
1.
Electrical characteristic and piezoresistivity of carbon fiber graphite cement-based composites containing CCCW
掺CCCW的碳纤维石墨水泥基复合材料的导电及压阻特性
2.
The piezoresistivity of high density polyethylene/graphite (HDPE/GP) semiconductive composites was studied through measuring the resistance change under uniaxial pressure.
研究了聚乙烯/石墨半导体复合物(HDPE/GP)在轴向压力下的压阻特性
3.
In order to research new sensitive materials, a mathematic piezoresistivity model of the conductive composites filled by carbon black particles is presented on the basis of general effective medium (GEM) theory .
 为研究新型传感器材料,在通用有效介质理论的基础上,提出了炭黑填充型导电复合材料的压阻特性数学计算模型,定量地得出炭黑颗粒的基本特征参数、体积分数和聚合物基体的弹性模量在复合材料压阻规律中的影响。
2)  piezoresistive properties
压阻特性
1.
To optimize piezoresistive characteristics of poly-Si nanofilms, the influences of deposition temperatures were investigated on piezoresistive properties of low pressure chemical vapor deposited (LPCVD) nanofilms.
为优化多晶硅纳米薄膜的压阻特性,就淀积温度对低压化学气相淀积多晶硅纳米薄膜的压阻特性的影响进行了实验研究。
2.
Polysilicon films, due to its favourable piezoresistive properties, have been widely applied in MEMS piezoresistive sensors.
多晶硅薄膜良好的压阻特性使其在MEMS压阻式传感器中得到了广泛应用。
3.
Conductive cement-based composites with nano-graphite,carbon black have good conductivity and piezoresistive properties,and it can use to achieve traffic monitoring.
利用纳米石墨、炭黑等导电掺料制作的水泥基复合材料的压阻特性可进行交通违规监测。
3)  piezo-resistive property
压阻特性
1.
The theory model of intelligent robot tactile sensing costume is demonstrated clearly, and the array tactile sensing costume model is proposed according to the piezo-resistive property of conductive rubber.
文中对智能机器人触觉传感服装的理论模型进行了详细的论证,提出利用导电橡胶的压阻特性,设计阵列式触觉传感服装模型以及相应的信号处理和采集显示的软硬件系统,并通过实验取得了良好的效果。
4)  hydraulic damping characteristic
液压阻尼特性
1.
Simulation of hydraulic damping characteristic for motorcycle′s cylindrical shock absorber;
摩托车筒式减震器液压阻尼特性的模拟与仿真
5)  piezoresistive temperature properties
压阻温度特性
1.
Heavy doped polysilicon nanofilms have good piezoresistive temperature properties,and high temperature piezoresistive sensors made of them,which have high sensitivity,low costs enjoy a broad application prospect.
重掺杂多晶硅纳米薄膜具有良好的压阻温度特性,用它制作高温压阻式传感器灵敏度高、成本低,具有广阔的应用前景。
6)  piezoresistance characteristics under dynamical load
动态压阻特性
1.
The ytterbium foil stress sensor is calibrated by using gas gun,the piezoresistance characteristics under dynamical load is studied,and the calibration fitting equation and linearity error are given in this paper.
利用空气炮对研制的箔式镱应力传感器的动态压阻特性进行了校准,给出了传感器响应的校准拟合直线方程和线性误差,表明该传感器具有量程范围宽、频响高、线性度较高、温度系数小等特点,可广泛应用于强冲击荷载下混凝土或岩石等介质中的应力测试。
补充资料:正温度系数热敏陶瓷阻-温特性曲线
分子式:
CAS号:

性质:描述正温度系数热敏陶瓷电阻率与温度关系的曲线。钛酸钡基PTC热敏陶瓷阻-温特性曲线。电阻率随着温度的升高,先是降低,当达到某一值Tmin时,曲线出现极值,经过极值后电阻率随温度升高而急剧上升,此时对应的温度Tb称为开关温度。电阻率随温度上升达到最大值时所对应的温度为Tm。经过Tm后,阻温特性曲线发生弯曲,电阻率开始逐步降低,此时对应的温度为Tp。温度处于Tb至Tm之间时,热敏陶瓷呈现正温度系数(PTC)特性。其电阻温度系数αT= ,式中Rb,Rp为Tb,Tp温度下的相 应零功率电阻值。αT大于10%/℃,为开关型热敏陶瓷电阻器。αT小于10%/℃,为缓变型热敏陶瓷电阻器。

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