Results 121 to 130 of about 95,616 (388)

RIOT: a simple graphical assembly tool [PDF]

open access: yes, 1982
Errors in the chip assembly process are harder to find than errors in cell design, since they belong to no specific part of the design, but rather to the assembly as a whole. Assembly errors are more costly than call design errors also, since they often
Rowson, Jim, Trimberger, Stephen
core  

Particle swarm optimization with sequential niche technique for dynamic finite element model updating [PDF]

open access: yes, 2014
Peer ...
Abdel-Ghaffar   +74 more
core   +1 more source

Mechanical Outcomes, Microleakage, and Marginal Accuracy at the Implant-Abutment Interface of Original versus Nonoriginal Implant Abutments: A Systematic Review of In Vitro Studies

open access: yesBioMed Research International, 2018
Purpose Instead of original abutments, compatible abutments are often selected for financial reasons. The present study aimed to evaluate mechanical outcomes, microleakage, and marginal accuracy at the implant-abutment interface of original versus ...
M. Tallarico   +5 more
semanticscholar   +1 more source

Management of peri‐implant soft tissue dehiscence with combined prosthetic‐surgical approach: A case report

open access: yesClinical Advances in Periodontics, EarlyView.
Abstract Background This case report presents the management of an esthetic complication of a peri‐implant soft tissue dehiscence (PSTD) through a combined prosthetic‐surgical approach. Methods and Results A 53‐year‐old healthy Hispanic male presented to our practice for the treatment of an implant esthetic complication. A diagnosis of PSTD class III C
Omran Bishbish Zeino, Yoon Jeong Kim
wiley   +1 more source

Comparison of Symmetrical and Unsymmetrical Rectangular Collars on Reduction of Local Scour at Bridge Abutment [PDF]

open access: yesعلوم و مهندسی آبیاری, 2014
Already many studies have been done on the mechanism of scour around hydraulic structure especially bridges and methods for control or reduction of scour around them have been investigated and evaluated.
Hossein Khozeymehnezhad   +2 more
doaj  

Issued as a Documentation Report on an Investigation of Field-Made Joints in Prestressed Reinforced Concrete Highway Girder Bridges, Project IHR-303, Phase 2 [PDF]

open access: yes, 1977
A prototype bridge girder was designed, built, and tested. The 250 ft long two-span girder was made of 3 precast segments about 88, 74, and 88 ft in length. The segments were supported on 3 final and 2 temporary supports.
Fadl, Abdullahi Ibrahim   +2 more
core  

Effect of different angulations and collar lengths of conical hybrid implant abutment on screw loosening after dynamic cyclic loading

open access: yesInternational Journal of Implant Dentistry, 2018
The purpose of this in vitro study was to evaluate the effect of different angulations and collar lengths of the implant abutment on screw loosening by measuring removal torque value (RTV) before and after dynamic cyclic loading using digital torque ...
Mai Ahmed Yousry El-Sheikh   +2 more
semanticscholar   +1 more source

Post‐LECA Origin and Diversification of an Axonemal Outer Arm Dynein Motor

open access: yesCytoskeleton, EarlyView.
ABSTRACT Dyneins were present in the last eukaryotic common ancestor (LECA) and play key roles in eukaryotic biology. Axonemal dyneins form the inner and outer arms that power ciliary beating, and it has long been recognized that outer arms in some organisms contain two different heavy chain motors, whereas those from other species contain a third unit
Stephen M. King
wiley   +1 more source

Zirconia implant abutments: A review

open access: yesMedicina Oral Patología Oral y Cirugia Bucal, 2011
An increasing aesthetic demand within developed populations conducted to the fabrication of metal-free restorations and to a wide use of ceramic materials, due to its excellent characteristics of biocompatibility and aesthetics. With the incessant increase of commercial labels involved in this technological advance, a review is imposed on ceramic ...
Gomes, Ana Luisa   +1 more
openaire   +3 more sources

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