ABSTRACT: An electromagnetic parametrically excited rolling pendulum energy harvester with self-tuning mechanisms subject to multi-frequency excitation is proposed and investigated in this paper.The system consists of two uncoupled rolling pendulum.The resonance frequency of each the rolling pendulum can be automatically tuned by adjusting its geom
Abstract Background Focal cerebral arteriopathy (FCA) is a clinically important disease that often causes progressive arteriopathy.We report a case of FCA with progressive arteriopathy due to paper lantern texture arterial shrinkage of the outer diameter found on T2-weighted three-dimensional sampling perfection with application optimized contrasts
The question as to whether or not tempo effects distort the measurement of period mortality is controversial in recent demographic research.Only few publications, however, illustrate the underlying phenomenon of tempo effects, namely that the period death rate may increase although the mortality of all cohorts living during the analyzed period has
University governance seems diet frostie root beer to have undergone many changes, often associated with economic and/or political crises.Until the 1960s, universities were mostly "ivory towers" run by academics and designed for a specific social category, the elite.In the case of Algeria, it is the government that intervenes in the financing and m
Around 20 million Shia pilgrims shape one of the world’s biggest pilgrimages in Iraq, called “Arbaeen,” many of whom walk long distances to Karbala city as a part of the ritual every year.Faith in Imam Hussein, who was martyred in the battle med mizer allcare bed of Karbala in 680 CE, is central among all pilgrims in this ritual,