نتایج جستجو برای: rejuvenation

تعداد نتایج: 2570  

Journal: :Aesthetic Surgery Journal 2003

Journal: :Genes to Cells 2012

Journal: :Donald School Journal of Ultrasound in Obstetrics and Gynecology 2019

2006
Tianhai Zhao Yong Qi Junyi Shen Di Hou Xiaomei Zheng

The unpredictable system crash in application server leads to huge maintenance cost. In order to reduce the maintenance cost and prevent the failure, the optimal rejuvenation schedule is put forward based on the degradation of application server. Further, the degradation process of application server is modeled and the long-term cost is analyzed by renewal process theory. Then the boundary cond...

2017
Giussy Barbara Federica Facchin Laura Buggio Daniela Alberico Maria Pina Frattaruolo Alessandra Kustermann

Female genital cosmetic surgery includes several procedures aimed at reaching better female genital appearance and/or improved sexual functioning. Among these procedures, vaginal rejuvenation is considered as one of the most controversial genital cosmetic surgical interventions and involves a range of surgical procedures performed by gynecologists or plastic surgeons to decrease the average dia...

Journal: :Aesthetic Surgery Journal 2001

2004
Miroslaw Malek Felix Salfner Günther A. Hoffmann

Most computer users know that one of the most effective ways to recover from faults such as system crashes and performance degradation is simply to reset or reboot a computer. Although these methods might be expensive in terms of downtime, they are frequently most effective. Since commercial users in most cases cannot afford the restart, they tend to use periodic rejuvenation, which is restarti...

2006
Hiroyuki Eto Tadashi Dohi

Software rejuvenation is a preventive and proactive maintenance policy that is particularly useful for counteracting the phenomenon of software aging. In this study we consider an operational software system with multiple degradations and derive the optimal software rejuvenation policy minimizing the expected operation cost per unit time in the steady state, via the dynamic programming approach...

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