نتایج جستجو برای: liner life

تعداد نتایج: 757143  

Journal: :Journal of orthopaedic surgery 2012
Usman Butt David Knowles

We report a complication during total hip arthroplasty using an uncemented press-fit acetabular shell and ceramic liner for a woman with osteoarthritis. Fracture of the ceramic liner occurred during its insertion owing to non-concentric reduction. The main body of the ceramic liner became wedged in the acetabular shell and was resistant to removal. The shell itself was immovable owing to the pr...

Journal: :محیط شناسی 0
مهدی جلیلی قاضی زاده دانشجوی دکتری مهندسی محیط زیست، دانشکده محیط زیست دانشگاه تهران محمدعلی عبدلی استاد مهندسی عمران دانشکده محیط زیست دانشگاه تهران ادوین صفری استادیار برنامه ریزی دانشکده محیط زیست دانشگاه تهران

due to availability of proper materials in landfills (at most parts of iran especially in kahrizak) and also less expenditure of this liner in comparison with other liners it can be count as an acceptable choice. different studies imply that one of the most important factors for soil liner selection is local conditions and also liner compatibility with generated leachate in studied site. hydrau...

2005
Ynte H. Schukken Lennart G. Petersson Bradley J. Rauch

In the dairy industry world wide, several hundred types of liners are used to milk dairy cows. The enormous amount of liner types with different characteristics in size, form, consistency and other design and manufacturing characteristics indicate that no ‘best’ liner has been identified in the last 60 or so years since machine milking has become the common method for milk harvesting. Mechanica...

Journal: :Egyptian dental journal 2021

A randomized clinical trial was carried out to compare between conventional silicone-based soft liner and Versacryl lining material for the relining of mandibular complete dentures in flat cases regarding oral health related quality life tissue keratinization index. Twenty-eight patients were distributed randomly into two groups (fourteen per group). After taking impression their existing dentu...

Journal: :The Journal of bone and joint surgery. British volume 2007
A J Langdown R J Pickard C M Hobbs H J Clarke D J N Dalton M L Grover

We reviewed the initial post-operative radiographs of the Trident acetabulum and identified a problem with seating of the metal-backed ceramic liner. We identified 117 hips in 113 patients who had undergone primary total hip replacement using the Trident shell with a metal-backed alumina liner. Of these, 19 (16.4%) were noted to have incomplete seating of the liner, as judged by plain anteropos...

Journal: :Orthopedics 2012
Stephanie W Mayer Samuel S Wellman Michael P Bolognesi David E Attarian

This article describes a case of late locking mechanism failure and disassociation of a Pinnacle acetabular cup (DePuy, Warsaw, Indiana) and Marathon polyethylene liner (DePuy) 53 months after routine primary total hip arthroplasty in an active patient. Following an uncomplicated initial postoperative recovery, the patient felt a pop while kneeling for gardening activities. The patient had no p...

2014
Fan Jingjing

The contaminants in the landfill leachate press pose a grave threat to environment of the soil and the groundwater beneath the landfill. Despite there being strict requirements in relevant provisions of both domestic and foreign countries for the design of the bottom liner system. Pollution of the soil and the groundwater still took place in a number of landfills because of the leakage. To inve...

2014
Sadeeq Ali Noor Azuan Abu Osman Nooranida Arifin Hossein Gholizadeh Nasrul Anwar Abd Razak Wan Abu Bakar Wan Abas

PURPOSE This study aimed to compare the effect of satisfaction and perceived problems between Pelite, Dermo with shuttle lock, and Seal-In X5 liners on the transtibial amputees. MATERIAL AND METHODS A total of thirty transtibial amputees (17 male, 13 female) volunteered to take part in this research. Two prostheses were fabricated for each participant. Prosthetic Evaluation Questionnaire (PEQ...

2010
Donald F. Schultz

This effort summarizes the work performed under Task IV, Sector Rig Pests of the CRT Critical Research and Support Technology Program, a Department of Energy funded project. The rig tests of a can-type combustor were performed to demonstrate two advanced ground power engine combustor concepts: steam cooled rich-burn combustor primary zones for enhanced durability; and variable combustor geometr...

2016
N. Rajaganesh S. Sabarinathan N. S. Azhagarasan Chitra Shankar Jaya Krishnakumar S. Swathi

BACKGROUND Chairside softliners are used more frequently than is reported and studies regarding the bond strength of chairside softliners to heat-polymerized denture base resin are few and limited. Hence, this study was conducted to comparatively evaluate the shear bond strength of two chairside soft relining materials viz., autopolymerizing plasticized acrylic resin liner and a silicone-based ...

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