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Multiple ultradian rhythms of metabolism, body temperature and activity in Djungarian hamsters.
J Comp Physiol B
August 2024
Institute of Wildlife Ecology, University of Veterinary Medicine, Vienna, Austria.
Djungarian hamsters (Phodopus sungorus) living at constant 15 °C T in short photoperiod (8:16 h L:D) showed pronounced ultradian rhythms (URs) of metabolic rate (MR), body temperature (T) and locomotor activity. The ultradian patterns differed between individuals and varied over time. The period length of URs for MR, T and activity was similar although not identical.
View Article and Find Full Text PDFIoT Sensor Network for Wild-Animal Detection near Roads.
Sensors (Basel)
November 2023
Department of Electronics Engineering, Faculty of Electrical and Electronics, Kaunas University of Technology, LT-51368 Kaunas, Lithuania.
The monitoring and detection of wild animals is a significant topic for researchers who study the behavior, lifestyle, and environment of wild animals, as well as for people who encounter wildlife both in residential areas and near roads while traveling. An innovative wild-animal detection internet-of-things (IoT) sensor network running on harvested solar energy and detection methodology is described in this article. The sensor-networks node is implemented via the principle of an embedded system incorporating passive infrared sensors, a long-range (LoRa) module, and a solar panel for energy harvesting.
View Article and Find Full Text PDFFull-Field Temperature Measurement of Stainless Steel Specimens Subjected to Uniaxial Tensile Loading at Various Strain Rates.
Materials (Basel)
September 2021
Department of Metal Working and Physical Metallurgy of Non-Ferrous Metals, Faculty of Non-Ferrous Metals, AGH-University of Science and Technology, al. Adama Mickiewicza 30, 30-059 Cracow, Poland.
This article presents a study on the effect of strain rate, specimen orientation, and plastic strain on the value and distribution of the temperature of dog-bone 1 mm-thick specimens during their deformation in uniaxial tensile tests. Full-field image correlation and infrared thermography techniques were used. A titanium-stabilised austenitic 321 stainless steel was used as test materials.
View Article and Find Full Text PDFCoupled Thermomechanical Response Measurement of Deformation of Nickel-Based Superalloys Using Full-Field Digital Image Correlation and Infrared Thermography.
Materials (Basel)
April 2021
Department of Metal Working and Physical Metallurgy of Non-Ferrous Metals, Faculty of Non-Ferrous Metals, AGH-University of Science and Technology, al. Adama Mickiewicza 30, 30-059 Cracow, Poland.
The paper is devoted to highlighting the potential application of the quantitative imaging technique through results associated with work hardening, strain rate and heat generated during elastic and plastic deformation. The aim of the research presented in this article is to determine the relationship between deformation in the uniaxial tensile test of samples made of 1-mm-thick nickel-based superalloys and their change in temperature during deformation. The relationship between yield stress and the Taylor-Quinney coefficient and their change with the strain rate were determined.
View Article and Find Full Text PDFTemperature Distribution of Selected Body Surfaces in Scoliosis Based on Static Infrared Thermography.
Int J Environ Res Public Health
November 2020
Department of Developmental Neurology, Poznan University of Medical Sciences, 49 Przybyszewskiego Str, 60-355 Poznan, Poland.
The purpose of the research was to assess the usefulness of thermography as a complementary method in musculoskeletal dysfunction, with particular emphasis on scoliosis. The children, aged 7-16, were classified into one of two groups: the study group-children with scoliosis ( = 20), and the reference group-healthy children ( = 20). All children underwent anthropometric tests, body mass index determination, four pictures each with a FLIR T1030sc HD thermal imaging camera, and measurement of spinal rotation with a scoliometer (Gima, Italy).
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