نتایج جستجو برای: temperature coefficient
تعداد نتایج: 606970 فیلتر نتایج به سال:
We use LVDSMC simulations to calculate the second-order temperature jump coefficient for a dilute gas whose temperature is governed by the Poisson equation with a constant forcing term. Both the hard sphere gas and the BGK model of the Boltzmann equation are considered. Our results show that the temperature jump coefficient is different from the well known linear and steady case where the tempe...
The effect of temperature on the optical properties of human dermis and subdermis as a function of near-infrared wavelength has been studied between 25 degrees C and 40 degrees C. Measurements were performed ex vivo on a total of nine skin samples taken from the abdomen of three individuals. The results show a reproducible effect of temperature on the transport scattering coefficient of dermis ...
The transconductance characteristics of MOS transistors realized in 0.18 p n CMOS technology have B zerotemperature coefticient (ZTC) bias point. The presence of this point influences performance of both analog and digital circuits. The offset voltage drift in a saurce-coupled differential pair strongly increases, if the transistor drain currents are equal to the bias currents of ZTC point. It ...
The spectral behavior and the temperature dependence of the absorption coefficient of microporous silicon films are studied in the energy range of 1.2–3.8 eV, between 7 and 450 K. For photon energies above the direct band gap at 3.3 eV, the spectral behavior of the absorption coefficient is similar to that of crystalline silicon, and its absolute value is comparable to that estimated using Brug...
.he recent determination of the ocular temperature gradient indicated the necessity to define those ocular physiologic and metabolic functions, especially of the anterior segment of the eye, which are most temperature dependent. One such important function is that of pH or hydrogen ion activity of the anterior chamber aqueous humor. With the recent introduction of extremely stable pH meters as ...
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