نتایج جستجو برای: dielectric properties
تعداد نتایج: 897612 فیلتر نتایج به سال:
Non-Ohmic and dielectric properties of a novel CaCu3Ti4O12/Au nanocomposite were investigated. Introduction of 2.5 vol.% Au nanoparticles in CaCu3Ti4O12 ceramics significantly reduced the loss tangent while its dielectric permittivity remained unchanged. The non-Ohmic properties of CaCu3Ti4O12/Au (2.5 vol.%) were dramatically improved. A nonlinear coefficient of ≈ 17.7 and breakdown electric fi...
Current geological extraction theory and techniques are very limited to adequately characterize the unconventional oil-gas reservoirs because of the considerable complexity of the geological structures. Optical measurement has the advantages of non-interference with the earth magnetic fields, and is often useful in detecting various physical properties. One key parameter that can be detected us...
There is a considerable interest in the dielectric properties of a material under a pressure other than the atmospheric pressure. Most interest seems to stem from chemical reactions or material property modification. We have studied the variation of the dielectric properties of gas under pressure with frequency. A gas, such as LPG, shows an increase in the dielectric constant from 1.002 to 1.05...
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