Abstract: The present invention discloses a extra thick hot rolled H section steel and a production method therefor. The extra thick hot rolled H section steel contains, by mass, the following chemical components: 0.04-0.11% of C, 0.10-0.40% of Si, 0.40-1.00% of Mn, 0.40-1.00% of Cr, 0.10-0.40% of Cu, 0.020-0.060% of Nb, 0.040-0.100% of V, 0.010-0.025% of Ti, 0.010-0.030% of Al, 0.0060-0.0120% of N, not more than 0.015% of P, not more than 0.005% of S, not more than 0.0060% of O, and the balance Fe and trace residual elements, wherein 0.090%?Nb+V+Ti?0.170%, 6.5?(V+Ti)/N?10.5, and 0.30%?CEV?0.48%. The extra thick hot rolled H section steel has a flange thickness of 90 mm-150 mm, has excellent comprehensive mechanical properties, and can well meet the needs for heavy supporting structural parts of high-rise buildings, large squares, bridge structures, etc.

Abstract: A flexible stress sensing device is provided, which includes a flexible cloth substrate, a flexible stress sensor and textile knots configured to fix the flexible stress sensor on the flexible cloth substrate. The flexible stress sensor includes two conductive fiber bundles, wherein each of the conductive fiber bundles is provided with a loose structure, and the loose structures of two conductive fiber bundles contact with each other and form a stress sensing unit. The flexible stress sensing device can be washable, is not easy to fall off, and can resist against motion interference, and has other advantages of high resolution, high sensitivity and a compatibility with the prior textile techniques.

Abstract: Provided is a flexible temperature sensor including a flexible temperature-sensing fabric, wherein the flexible temperature-sensing fabric includes a fabric base and at least one flexible temperature-sensing conductive fiber, the fabric base is a flat fabric woven from a plurality of insulating fibers, and the temperature-sensing conductive fiber is fixed in the fabric base by weaving. The flexible temperature sensor has the advantages of being easy to fabricate, low in cost, washable, wide in temperature monitoring range, high in sensitivity, good in stability and repeatability, and compatible with existing textile technologies.

Abstract: A new tactile sensor having a sensing layer, and the sensing layer includes a flexible substrate, at least one stress sensing unit, and at least one temperature sensing unit. The stress sensing unit includes a flexible conductive fiber, a top electrode, and a bottom electrode, the flexible conductive fiber is laid flat on the flexible substrate, the top electrode is bendable, and when there is a potential difference between the top electrode and the bottom electrode, a current flows along a radial direction of the flexible conductive fiber; and the temperature sensing unit includes a thermal conductive fiber and two end electrodes, the thermal conductive fiber is laid flat on the flexible substrate, and when there is a potential difference between the two end electrodes, a current flows along an axial direction of the thermal conductive fiber.

Abstract: The present disclosure relates to a new tactile sensor, where the tactile sensor includes a sensing layer, and the sensing layer includes a flexible substrate, at least one stress sensing unit, and at least one temperature sensing unit. The stress sensing unit includes a flexible conductive fiber, a top electrode, and a bottom electrode, the flexible conductive fiber is laid flat on the flexible substrate, the top electrode is bendable, and when there is a potential difference between the top electrode and the bottom electrode, a current flows along a radial direction of the flexible conductive fiber; and the temperature sensing unit includes a thermal conductive fiber and two end electrodes, the thermal conductive fiber is laid flat on the flexible substrate, and when there is a potential difference between the two end electrodes, a current flows along an axial direction of the thermal conductive fiber.

Abstract: Provided is a flexible temperature sensor including a flexible temperature-sensing fabric, wherein the flexible temperature-sensing fabric includes a fabric base and at least one flexible temperature-sensing conductive fiber, the fabric base is a flat fabric woven from a plurality of insulating fibers, and the temperature-sensing conductive fiber is fixed in the fabric base by weaving. The flexible temperature sensor has the advantages of being easy to fabricate, low in cost, washable, wide in temperature monitoring range, high in sensitivity, good in stability and repeatability, and compatible with existing textile technologies.

Abstract: A flexible stress sensing device is provided, which includes a flexible cloth substrate, a flexible stress sensor and textile knots configured to fix the flexible stress sensor on the flexible cloth substrate. The flexible stress sensor includes two conductive fiber bundles, wherein each of the conductive fiber bundles is provided with a loose structure, and the loose structures of two conductive fiber bundles contact with each other and form a stress sensing unit. The flexible stress sensing device can be washable, is not easy to fall off, and can resist against motion interference, and has other advantages of high resolution, high sensitivity and a compatibility with the prior textile techniques.

Abstract: Provided are an electrochromic device based on three-dimensional motion of lithium ions and an application thereof. The electrochromic device based on three-dimensional motion of lithium ions comprises an upper and an lower transparent electrode layer, and an electrolyte layer and a discoloration layer which are arranged between the upper transparent electrode layer and the lower transparent electrode layer. A first external circuit is connected between the upper transparent electrode layer and the lower transparent electrode layer; and a second external circuit is connected between two ends of the transparent electrode layer adjacent to the discoloration layer. The electrochromic device realizes intelligent dimming based on three-dimensional motion of lithium ions.