一种具温度补偿的水泥结构应变测量传感器，该传感器具有布拉格光纤光栅，埋入混凝土中后，该传感器能同时测出混凝土的机械负载和温度影响，不须任何外覆隔层故具有小的尺寸因而能贴近混凝土的表面而提高测量精度。本传感器包括：水泥或环氧树脂制的有盲孔的外壳；在外壳前端用不锈钢或聚合物材料制成的前套管；在外壳后端用不锈钢或聚合物材料制成的和前套管同轴螺接的后套管；在两套管中的在两套管包覆部位制有布拉格光栅的光纤；在外壳进口用以连接套管中的光纤和外部光纤的光纤接头。装配时前套管和其内部的光纤用环氧树脂粘固成一体。外壳可在其内部各件装配妥当后最后灌制，以便和前套管固定连接而不会产生相对活动。
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本发明涉及一种导电织物制造方法及其制造的织物。所述方法包括：S1、在织物的纤维表面接枝PMETAC刷；S2、对PMETAC刷接枝的织物进行离子交换处理；S3、对离子交换后的PMETAC刷接枝的织物实施无电镀沉积。本发明的导电织物，具有稳定均一的高导电率，在多次弯折、拉伸甚至洗涤之后都能保持良好的导电性和机械性能，因此可以用作电线。此外还可以广泛用于其他领域，比如用作功能性红外反射物(reflectingarticle)。
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The invention provides a flexible ultrasonic transducer array, which comprises at least two ultrasonic transducer units and flexible layer medium. The ultrasonic transducer is arranged in the flexible layer medium or on the surface of the flexible layer medium in the form of array; an ultrasonic dev.....
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The invention provides a wireless ultrasonic scanning system which comprises an ultrasonic sensor, a motor, an ultrasonic transceiver, a high-speed data sampling module, a machine controller and a total control module; wherein the ultrasonic sensor arranged on the motor can move according to the con.....
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The present invention relates to a strain gauge and methods of making such wherein the gauge contains a doped polymeric fluid suitable for measuring elongations of more than 10%.
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