Dynamics of Water in a Polymer Matrix Studied by a Microwave Dielectric Measurement

1998 ◽  
Vol 102 (17) ◽  
pp. 3249-3251 ◽  
Author(s):  
Naoki Shinyashiki ◽  
Shin Yagihara ◽  
Izumi Arita ◽  
Satoru Mashimo
Keyword(s):  
Polymer Matrix ◽  
Dielectric Measurement ◽  
Microwave Dielectric

scholarly journals Microwave Dielectric Measurement of Liquids by using Waveguide Plunger Technique

2011 ◽  
Vol 8 ◽  
pp. 270-274
Author(s):  
T. Hengcharoen ◽  
K. Eaiprasertsak ◽  
M. Fuangfoong
Keyword(s):  
Dielectric Measurement ◽  
Microwave Dielectric

Observation of unfreezable water in aqueous solution of globule protein by microwave dielectric measurement

Biopolymers ◽  
1995 ◽  
Vol 36 (1) ◽  
pp. 9-16 ◽  
Author(s):  
Nobuhiro Miura ◽  
Yoshihito Hayashi ◽  
Naoki Shinyashiki ◽  
Satoru Mashimo
Keyword(s):  
Aqueous Solution ◽  
Dielectric Measurement ◽  
Microwave Dielectric ◽  
Unfreezable Water

Rapid High Temperature Measurement of Microwave Dielectric Properties

1992 ◽  
Vol 269 ◽  
Author(s):  
W.R. Tinga
Keyword(s):  
High Temperature ◽  
Power Level ◽  
Measurement Techniques ◽  
Microwave Dielectric Properties ◽  
Dielectric Measurement ◽  
Small Samples ◽  
Complex Dielectric Constant ◽  
Dual Frequency ◽  
Microwave Source ◽  
Microwave Dielectric

ABSTRACTPractical high temperature (above 500°C) dielectric measurement techniques are reviewed stating both advantages and limitations of known methods. Details of a new and practical dual frequency microwave high temperature dielectrometer are discussed. This dielectrometer technique is capable of measurements beyond 2000°C. Both heating of the small samples and the measurement of their complex dielectric constant is done simultaneously using both a medium power (60W) microwave source and a low power scalar network analyzer. Good accuracy is obtained and the measurement is capable of being totally automated. Presently, a measurement and heating cycle time of about 20 s is needed to completely characterize the sample's microwave dielectric response from 300°C to 1600°C. A second high temperature dielectrometer technique is discussed which requires only one microwave source of medium power level (60W). This method requires only the reflected power to be monitored during the microwave heating of the sample to obtain the complex permittivity versus temperature curve.

A microwave dielectric measurement technique for high permitivity materials

1988 ◽  
Vol 82 (1) ◽  
pp. 91-97 ◽  
Author(s):  
M. T. Lanagan ◽  
J. H. Kim ◽  
D. C. Dube ◽  
S. J. Jang ◽  
R. E. Newnham
Keyword(s):  
Measurement Technique ◽  
Dielectric Measurement ◽  
Microwave Dielectric

Broad Band Microwave Dielectric Measurement of Liquids with an Open-Ended Coaxial Probe

2013 ◽  
Vol 333-335 ◽  
pp. 191-198
Author(s):  
Jia Ming Shi ◽  
Quirino Balzano ◽  
Christopher C. Davis
Keyword(s):  
Dielectric Properties ◽  
Broad Band ◽  
Dielectric Measurement ◽  
Network Analyzer ◽  
Frequency Range ◽  
Probe Technique ◽  
Microwave Dielectric ◽  
Coaxial Probe

The principles of the open-ended coaxial probe technique for the measurement of permittivity are described. Measurements of dielectric properties are carried out over a frequency range from 300MHz to 50GHz, with a system comprising an Agilent E8364B network analyzer and a connected 2.2mm diameter open-ended coaxial probe. Water, methanol and salines of 0.1M, 0.2M, 0.6M are used as calibration liquids or liquids to be measured. Measured permittivities are presented and compared with those calculated from the Cole-Cole equation. It is shown that, in order to get good results, the calibration liquid should be similar to the liquid being measured in dielectric properties.

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