نتایج جستجو برای: general repair time

تعداد نتایج: 2578310  

Journal: :iranian journal of otorhinolaryngology 0
mohammad naeimi ear, nose, throat, head and neck surgery research center,mashhad university of medical sciences, mashhad, iran saeed hosseini department of otorhinolaryngology, mashhad university of medical sciences, mashhad, iran

introduction: the pericranial flaps' benefits have been described in many otolaryngologic, maxillofacial and plastic surgery literature. the benefits ar e due to the pericranial flaps unique characteristics including good flexibility and mobility, very rich blood supply from several arterial sources and access to sufficient bulk of the flap without any need for distant surgical sites. usin...

In this paper, we study N-policy for a finite population Bernoulli feedback queueing model for machine repair problem with degraded failure. The running times of the machines between breakdowns have an exponential distribution. The repair times of the machines are independent and identically distributed random variables. If at any time a machine fails, it is sent to the repairman for repairing,...

Ali Karbalaeikhani, Azita Shishegar, Narges Vasei, Salman Dehkhoda, Susan Alimohammadzadeh-Taher,

  Purpose: Mesh technique is the standard for inguinal hernia repair because of less recurrence,   but it is inferior or equal to sutured technique in case of other post-operative complications   such as chronic pain. This clinical trial set out to compare these two techniques.   Materials and Methods: A total number of 322 cases of unilateral inguinal hernia in participants   older than 18 yea...

Journal: :iranian journal of medical physics 0
m. mokhtari-dizaji associate professor, medical physics dept., tarbiat modarres university, tehran, iran. a. yousefi-diba m. sc. in medical physics, medical physics dept., tarbiat modarres university, tehran, iran. b. larijani professor, metabolism and endocrine research center, tehran medical sciences university, tehran, iran. m. salehnia assistant professor, histology dept., tarbiat modarres university, tehran, iran. g. torkaman associate professor, physical therapy dept., tarbiat modarres university, tehran, iran. m. r. dadras m. sc. in medical physics, metabolism and endocrine research center, tarbiat modarres university, tehran, iran

introduction: the low regeneration of bone in defective bones causes therapeutic problems. various strategies to assess the healing of bone defects have been used which they include histological and histo-chemical analysis in an invasive study. the purpose of this study was to determine the ultrasonic parameters of bone as a promising noninvasive technology for assessing bone repair process. ma...

Journal: :Physical Review B 2021

The time-evolution equation of an open quantum system has long been known to come in two equivalent, yet fundamentally different flavors: a time-nonlocal one with memory kernel and time-local generator, whose connection discovered only recently [phys_rev_x_11_021041_2021]. Here, the authors show that this implies recursive relation between their perturbative series: complicated series can be co...

Journal: :British Journal of Surgery 2022

Abstract Aim Cleft lip and palate (CLP) abnormalities are the most common congenital orofacial anomalies, affecting 1 in 700 live births per year United Kingdom. is present approximately 55% of all CLP deformities. The aim this study to compare standard neonatal cleft repair. Method Advanced literature searches were carried out using Medline ALL (1946 date) Embase (1974 date), 11 articles deeme...

2005
Jamal Temsamani Juan A. Carrasco

Randomization is an attractive alternative for the transient analysis of continuous time Markov models. The main advantages of the method are numerical stability, well-controlled computation error and ability to specify the computation error in advance. However, the fact that the method can be computationally expensive limits its applicability. Recently, a variant of the (standard) randomizatio...

Journal: :European Physical Journal Plus 2022

We further develop the general theory of quantum time distributions introduced in [D. Jurman and H. Nikolić, Phys. Lett. A 396, 127247 (2021)] apply it to find distribution arrival times at detector. Even though Hamiltonian absence detector is hermitian, evolution system before detection involves dealing with a non-hermitian operator obtained from projection hermitian onto region front Such for...

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