نتایج جستجو برای: intrapulpal temperature rise
تعداد نتایج: 579188 فیلتر نتایج به سال:
The effect of temperature on the main feeding parameters of Mnemiopsis leidyi from the southern Caspian Sea was studied in 2002. The clearance rates and daily rations were estimated from laboratory experiments in a wide range of temperatures from 12 to 27 ?C for M. leidyi of 12?17 mm in length. Clearance rate values changed from 52.5 to 107.3 ml ind-1 h-1. The coefficient Q10 in temperature 12 ...
The temperature distribution due to a rotating or dithering Gaussian laser beam on a finite body is obtained numerically. The authors apply various techniques to solve the nonhomogeneous heat equation in different spatial dimensions. The authors’ approach includes the Crank-Nicolson method, the Fast Fourier Transform (FFT) method and the commercial software COMSOL. It is found that the maximum ...
The effects of temperature over the range 37-10 degrees C on the responses of isolated ferret ventricular trabeculae to the depletion and repletion of bathing calcium has been investigated. Cooling is found to reduce the rate of rise of intracellular sodium activity (measured with an ion-sensitive microelectrode) induced by depletion of bathing divalent cations, without affecting the prolonged ...
A rise in core temperature during fever usually results from change in the thermocontroller characteristics, resulting in an elevation of the set point of body temperature. Time course and extent of natural fevers are variable, but an upper limit (41 degrees C in humans), at which core temperature is maintained for some time and reduced when the set point of body temperature returns to its norm...
To study the temperature rise of dry-type transformer in different cooling conditions, finite element method is used in this paper to calculate temperature distribution in the transformer. Firstly, thermal-fluid coupled model of a transfomer is built up,and the equivalent heat generation of this model is figured out according to the results of delivery test. Then, thermal-fluid coupled model is...
INTRODUCTION The aim of this in vitro study was to compare the temperature rises in the pulp chamber and time spent with different techniques for orthodontic resin adhesive removal. METHODS AND MATERIALS Adhesive removal was performed in 20 extracted human maxillary second premolars with five techniques: high-speed tungsten carbide burs with water-cooling (BurH-cool) and without cooling (BurH...
We document the acoustics of the four Mangetti Dune !Xung coronal clicks. We report the temporal measures of burst duration, relative burst amplitude and rise time, as well as the spectral value of center of gravity in the click bursts. COG correlates with lingual cavity volume. We show that there is inter-speaker variation in the acoustics of the palatal click, which we expect to correlate wit...
The existence of a step-like contrast structure for a class of high-dimensional singularly perturbed system is shown by a smooth connection method based on the existence of a first integral for an associated system. In the framework of this paper, we not only give the conditions under which there exists an internal transition layer but also determine where an internal transition time is. Meanwh...
The effects of strain rate and temperature on the dynamic behavior of Fe-based high temperature alloy was studied. The strain rates were 0.001-12,000 s(-1), at temperatures ranging from room temperature to 800 °C. A phenomenological constitutive model (Power-Law constitutive model) was proposed considering adiabatic temperature rise and accurate material thermal physical properties. During whic...
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