Results 41 to 50 of about 2,833,519 (189)

Using Generic Telemetry Prognostic Algorithms for Launch Vehicle and Spacecraft Independent Failure Analysis Service

open access: yes, 2009
ITC/USA 2009 Conference Proceedings / The Forty-Fifth Annual International Telemetering Conference and Technical Exhibition / October 26-29, 2009 / Riviera Hotel & Convention Center, Las Vegas, NevadaCurrent equipment and vehicle failure analysis ...
Losik, Len
core   +4 more sources

Discrete-continuous analysis of optimal equipment replacement [PDF]

open access: yes
In Operations Research, the equipment replacement process is usually modeled in discrete time. The optimal replacement strategies are found from discrete (or integer) programming problems, well known for their analytic and computational complexity.
YATSENKO, Yuri, HRITONENKO, Natali
core  

Unexpected retention of a spinal needle in a morbidly obese patient: a case report and technical reflection

open access: yesFuture Science OA
Spinal anesthesia is considered a safe and effective anesthetic technique. However, some complications may be encountered in clinical settings such as needle fracture or retention, which is a rare but serious complication.
Mustapha Nahle   +5 more
doaj   +1 more source

In vivo corrosion of esophageal stents: An emerging materials problem

open access: yesInternational Journal of Gastrointestinal Intervention
Background : Improved survival among patients after esophageal stenting has led to an increasing number of long-term stent failures. To better understand the mechanisms of stent fracture, a baseline study was conducted to assess the changes that stents ...
Hans-Ulrich Laasch   +4 more
doaj   +1 more source

Traumatic femoral diaphyseal fracture and a bent intramedullary nail in a case with a completely healed femoral diaphyseal fracture

open access: yesActa Orthopaedica et Traumatologica Turcica, 2021
Bending of a Kuntscher nail which had been used in the treatment of a prior femoral diaphyseal fracture was encountered in a 37-year-old male patient who was admitted to hospital for a deformity in his left thigh caused in a car accident.
T. Caglar Kockesen   +4 more
doaj  

Model of Failure of Printing and Packaging Equipment at the Stage of Decommissioning

open access: yesТехнологія і техніка друкарства, 2018
The article considers the methodology of statistical modeling of reliability of printing and packaging equipment. Here is given the principal form of dependence of the reliability function on the time of operation of equipment with 4 periods.
Надежда Сергеевна Голуб
doaj   +1 more source

Reprocessing of single-use dental medical devices:analysis of chemical and physical impairment

open access: yesOnline Brazilian Journal of Nursing, 2009
<p class="MsoNormal" style="margin: 0in 0in 0pt; text-indent: 35.4pt; line-height: 200%; text-align: justify;"><span style="font-size: 10pt; line-height: 200%; font-family: ">The reprocessing of single-use dental-medical device </span> ...
Marina Celly Martins Ribeiro de Souza   +2 more
doaj  

Development of a system for predicting failures of bagging machines

open access: yesInformatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska
The reliability and effective operation of machines is a pressing problem for every enterprise, which requires labour intensive systematizationof production processes. The goal is to develop an algorithm and a system for predicting failures of packaging
Nataliia Huliieva   +3 more
doaj   +1 more source

High-Strength Bolt Corrosion Fatigue Life Model and Application

open access: yesThe Scientific World Journal, 2014
The corrosion fatigue performance of high-strength bolt was studied. Based on the fracture mechanics theory and the Gerberich-Chen formula, the high-strength bolt corrosion fracture crack model and the fatigue life model were established.
Wang Hui-li, Qin Si-feng
doaj   +1 more source

Static Rate of Failed Equipment-Related Fatal Accidents in General Aviation

open access: yesSafety
General aviation (GA), comprised mainly of piston engine airplanes, has an inferior safety history compared with air carriers in the United States. Most studies addressing this safety disparity has focused on pilot deficiencies. Herein, we determined the
Douglas D. Boyd, Linfeng Jin
doaj   +1 more source

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