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The smart electricity meter (SEM) is important in our life, so consumers and manufacturers pay more attention to its reliability. In order to evaluate the performance of SEM, we must spend a lot of time censoring its status. For example, if we want to assess to the SEM reliability, it may take several years at least according to the standards. So accelerated degradation testing (ADT) and accelerated...
Seasonal patterns in mortality have been recognised for decades, with a marked excess of deaths in winter, yet our understanding of the causes of this phenomenon is not yet complete. Research has shown that low and high temperatures are associated with increased mortality independently of season; however, the impact of unseasonal weather on mortality has been less studied. In this study, we aimed...
The LFL (lower flammable limit) and UFL (upper flammable limit) of R1150 were researched experimentally on a self-made test rig according to the Chinese National Standard GB/T12474 under variable temperature and humidity conditions. Results showed that the LFL increased with the decrease of temperature, while the UFL reduced, therefore the flammable range shrank 3.42% from 55 °C to −5 °C. Another...
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