Results 251 to 260 of about 246,418 (298)
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Synthetic Metals, 1993
Abstract Polypyrrole doped with dodecylsulfate ion on electrochemical polymerization of pyrrole keeps the anion in it on reduction of the polymer in an aqueous solution. The free anion on reduction of the polymer attracts a cation to form a salt in the polymer.
L.S. Hwang, J.M. Ko, H.W. Rhee, C.Y. Kim
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Abstract Polypyrrole doped with dodecylsulfate ion on electrochemical polymerization of pyrrole keeps the anion in it on reduction of the polymer in an aqueous solution. The free anion on reduction of the polymer attracts a cation to form a salt in the polymer.
L.S. Hwang, J.M. Ko, H.W. Rhee, C.Y. Kim
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MRS Proceedings, 1995
ABSTRACTA capacitance relative humidity (RH) sensor is described that has a design, construction, and material composition that result in an inexpensive and robust sensor. This sensor has a multilayer, free-standing film construction. It consists of a humidity sensitive polyimide (PI) dielectric core and conductive layers consisting of carbon filled ...
Andrew R.K. Ralston +3 more
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ABSTRACTA capacitance relative humidity (RH) sensor is described that has a design, construction, and material composition that result in an inexpensive and robust sensor. This sensor has a multilayer, free-standing film construction. It consists of a humidity sensitive polyimide (PI) dielectric core and conductive layers consisting of carbon filled ...
Andrew R.K. Ralston +3 more
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A overview of Humidity Sensors
Gurukul International Multidisciplinary Research JournalIn this research article, a comprehensive overview of a significance of water content in air and the different techniques utilized to measure it. The review focuses the vital role of humidity in on earth. Various types of humidity sensors such as resistive, optical and ceramic sensors are elaborated.
A. S. Daware +2 more
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International Journal of Green Nanotechnology, 2012
ABSTRACT The present review provides a detailed introduction, properties, types, applications, uses, and requirements of a humidity sensor. Humidity affects mankind directly or indirectly. Therefore, there is an urgent need to precisely measure and control humidity in various environments.
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ABSTRACT The present review provides a detailed introduction, properties, types, applications, uses, and requirements of a humidity sensor. Humidity affects mankind directly or indirectly. Therefore, there is an urgent need to precisely measure and control humidity in various environments.
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A Chipless Humidity Sensor for Wearable Applications
2019 IEEE International Conference on RFID Technology and Applications (RFID-TA), 2019This paper presents a fully-textile chipless tag to be used as a humidity sensor. The proposed tag consists of $a50 \Omega$ microstrip line loaded by multiple resonators. The basic idea is to exploit the hygroscopic properties of textile materials, and in particular the variation of the relative permittivity of the textile substrate due to variation of
Corchia L. +3 more
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IEEE Transactions on Components, Hybrids, and Manufacturing Technology, 1980
A novel humidity sensor using a MgCr 2 0 4 -TiO2 porous ceramic has been developed for an automatic microwave oven. Physical properties of the MgCr 2 0 4 -TiO2 ceramic, construction and humidity characteristics of the sensors, and outlines of the control of the automatic microwave oven by humidity sensing are described.
T. Nitta, S. Hayakawa
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A novel humidity sensor using a MgCr 2 0 4 -TiO2 porous ceramic has been developed for an automatic microwave oven. Physical properties of the MgCr 2 0 4 -TiO2 ceramic, construction and humidity characteristics of the sensors, and outlines of the control of the automatic microwave oven by humidity sensing are described.
T. Nitta, S. Hayakawa
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Journal of Atmospheric and Oceanic Technology, 1996
Abstract A common feature of all capacitance humidity sensors is their undesirable hysteresis effect due to the unequal adsorption and desorption of water vapor on the surfaces of their dielectric porous materials. To eliminate this error, an improved humidity sensor has been used composed of a commercial capacitive polymer sensor chip and an infrared (
Shixuan Pang +2 more
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Abstract A common feature of all capacitance humidity sensors is their undesirable hysteresis effect due to the unequal adsorption and desorption of water vapor on the surfaces of their dielectric porous materials. To eliminate this error, an improved humidity sensor has been used composed of a commercial capacitive polymer sensor chip and an infrared (
Shixuan Pang +2 more
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Electrochemical humidity sensor enabled self-powered wireless humidity detection system
Nano Energy, 2023Zaihua Duan, Zhen Yuan, Qiuni Zhao
exaly
2010
The water content in surrounding air is an important factor for the well-being of humans and animals. The level of comfort is determined by a combination of two factors: relative humidity and ambient temperature. You may be quite comfortable at −30 °C (−22 °F) in Siberia, where the air is usually very dry in winter, and feel quite miserable in ...
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The water content in surrounding air is an important factor for the well-being of humans and animals. The level of comfort is determined by a combination of two factors: relative humidity and ambient temperature. You may be quite comfortable at −30 °C (−22 °F) in Siberia, where the air is usually very dry in winter, and feel quite miserable in ...
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Power generation humidity sensor based on primary battery structure
Chemical Engineering Journal, 2022Zaihua Duan, Zhen Yuan, Qiuni Zhao
exaly