نتایج جستجو برای: protection time
تعداد نتایج: 2045832 فیلتر نتایج به سال:
Coronary artery reperfusion which has become one of the important therapeutic interventions is associated with development of cardiac arrhythmias. The present investigation was carried out to study the role of beta receptor blocking agents with different properties on reperfusion induced ventricular arrhythmias in intact rabbit heart. After anaesthesia the rabbit hearts were subjected to 30 min...
This study investigated insect bite protection and length of the protection with 30 repellents which were divided into 3 categories: plant oil, essential oil and essential oil with ethyl alcohol, tested against three mosquito species, Aedes aegypti, Anopheles minimus and Culex quinquefasciatus, under laboratory conditions. The plant oil group was comprised of Phlai (Zingiber cassumunar) and Swe...
This paper proposes a new short-circuit protection method for an IGBT. The proposed method is characterized by detecting not only gate charge but also gate voltage of the IGBT. This results in a shorter protection time, compared to the previous method that detects only the gate charge. A real-time monitoring system using an FPGA, A/D converters, and a D/A converter is used for the proposed prot...
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