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click here Many mechanisms have been proposed to alleviate the magnetic catastrophe, which prevents the Keplerian disk from forming inside a collapsing magnetized core.Such propositions include inclined field and nonideal magnetohydrodynamics effects, and have been supported with numerical experiments.Models have been formulated for typical disk si
Introduction Waterpipe and cigarette smoking have been found to be associated with each other as cigarette smokers were more likely to be waterpipe users than non-cigarette smokers.Also, waterpipe smokers were likely to be former daily cigarette users.The aim of this study is to examine the read more likelihood of waterpipe use leading to cigarette
In this paper, the retrial unreliable server queue with batch arrivals is considered.The arrival rates of the units are different and dependent upon the joining probabilities according to the server status.On arrival, if unit finds the busy server, he may retry for the service after a random duration of time.The server facilitates the essential ser
The emergence of competitive sports in ancient China is closely related to military activities.With the evolution and development of society, many sporting events have peperomia double duty been introduced to and accepted by, the people and later carried forward from generation to generation.In the Han Dynasty, thanks to the strong national strengt