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INTRODUCTION: Low frequency ultrasonic vocalizations, commonly referred as 22‑kHz, occur in different situations including both aversive as well as positive emotional states in rats. Our previous research suggests that following ejaculation, long, lasting low frequency vocalizations reflect a positive emotional state – relaxation after high arousal state. It has been found that there is another type...
Summary. Hepatitis B virus (HBV) genotypes have distinct geographical distributions and influence severity of clinical outcome and response to antiviral therapies. HBV polymorphism in HBV surface antigen (HBsAg) positive first time blood donors from Poland was examined. HBV serological markers and HBV DNA were tested in 170 samples. Whole genome (n = 53) or specific region sequences: pre‐S/S and...
Symulację elementów rozproszonych systemów pomiarowych przedstawiono z wykorzystaniem oprogramowania firmy National Instruments. Omówiono wybrane biblioteki systemu LabWindows/CVI. W artykule przedstawiono wykonany rozproszony system pomiarowy, który umożliwia badanie filtru poprzez wyznaczenie charakterystyki amplitudowo-częstotliwościowej. Przedstawiono również sposób symulacji zamodelowanego układu...
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