Income as a wore general optimization criterion as regards availability and replacement costs in determining the optimal period of preventive replacement

This paper discusses a procedure for determining the optimal period of preventive replacement of elements with increasing failure rate when the criterion is income per operating time unit.It is shown that income per operating time unit and its complementary value of the sum of losses due to system dwell and replacement costs represent more Toddler

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Laundry detergent pod: a rising cause of household poisoning

With the increasing use of laundry detergent pods (LDPs) in Korea, pediatricians and emergency physicians should recognize the risk of poisoning by ingestion of the pods.This report describes a 15-month-old boy who ingested an Outdoor Rocking Lounge Chair LDP at home.At the time of hospitalization, he was alert and hemodynamically stable.However, 3

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