Topic
Temperature measurement
About: Temperature measurement is a research topic. Over the lifetime, 18186 publications have been published within this topic receiving 167735 citations. The topic is also known as: Thermometry.
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TL;DR: In this article, the iterative algorithm of Feldman for heat flow in layered structures is solved in cylindrical coordinates for surface heating and temperature measurement by Gaussian-shaped laser beams.
Abstract: The iterative algorithm of Feldman for heat flow in layered structures is solved in cylindrical coordinates for surface heating and temperature measurement by Gaussian-shaped laser beams. This solution for the frequency-domain temperature response is then used to model the lock-in amplifier signals acquired in time-domain thermoreflectance measurements of thermal properties.
1,264 citations
TL;DR: A new temperature measurement procedure using phase mapping was developed that makes use of the temperature dependence of the water proton chemical shift and highly accurate and fast measurements were obtained during phantom and in vivo experiments.
Abstract: A new temperature measurement procedure using phase mapping was developed that makes use of the temperature dependence of the water proton chemical shift. Highly accurate and fast measurements were obtained during phantom and in vivo experiments. In the pure water phantom experiments, an accuracy of more than +/- 0.5 degrees C was obtained within a few seconds/slice using a field echo pulse sequence (TR/TE = 115/13 ms, matrix = 128 x 128, number of slices = 5). The temperature dependence of the water proton chemical shift was found to be almost the same for different materials with a chemical composition similar to living tissues (water, glucide, protein). Using this method, the temperature change inside a cat's brain was obtained with an accuracy of more than +/- 1 degree C and an in-plane resolution of 0.6 x 0.6 mm. The temperature measurement error was affected by several factors in the living system (B0 shifts caused by position shifts of the sample, blood flow, etc.), the position shift effect being the most serious.
1,033 citations
TL;DR: In this article, a lumped-parameter thermal model of a cylindrical LiFePO 4 /graphite lithium-ion battery is developed, where a thermocouple is introduced into the battery under inert atmosphere.
684 citations
TL;DR: The use of a fiber-optic Mach-Zehnder interferometer to measure differences in temperature or pressure between two single-mode fiber arms is described.
Abstract: The use of a fiber-optic Mach-Zehnder interferometer to measure differences in temperature or pressure between two single-mode fiber arms is described. Temperature or pressure changes are observed as a motion of an optical interference fringe pattern. Values are calculated for the pressure and temperature dependence of the fringe motion. Pressure and temperature measurements are made with the interferometer, and the experimental values for sensitivity are in good agreement with those calculated.
669 citations
Book•
01 Jan 1991
TL;DR: If one area manifests clinically, it can be removed by Mohs surgery, but the second, noncontiguous, area may not be found during treatment, only to appear later and be considered a recurrence of theMohs surgery.
Abstract: If one area manifests clinically, it can be removed by Mohs surgery, but the second, noncontiguous, area may not be found during treatment, only to appear later and be considered a recurrence of the Mohs surgery. Second, human error accounts for a 5-year 99% cure rate for primary basal cell carcinomas by Mohs technique compared with the theoretically predicted 100% cure rate. With the numerous and detailed steps for excision, orientation, mapping, preparing frozen sections, and histologic interpretation of the tissue, errors are possible and may result in a recurrence. For example, if the tissue is mislabeled or mapped improperly and persistent tumor is noted microscopically, the wrong area of the wound may be reexcised. In addition, the frozen section may contain gaps or may not include the entire surface and a false-negative interpretation made, resulting in a recurrence. Fortunately, the technique includes careful routines to minimize the chance of human error.
656 citations