Results 61 to 70 of about 37,783 (209)
口腔疾病防治, 2016 Objective To evaluate the efficacy of the curved oval root canal filling clearing by two kinds of nickel titanium instruments.Methods 75 mandibular premolars with curved oval root canal were prepared with Heor642 and filled with warm vertical compaction ...
HU Biao
doaj +1 more source
Journal of Materials Research and TechnologyPowder characteristics such as flow energy, bulk density, compressibility, morphology, particle size distribution (PSD) and laser energy absorbtivity have a significant impact on the Laser Bed Powder Fusion (L-PBF) process.
Declan Bourke +4 more
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Fracture toughness characterization of thin Ti/SiC composites [PDF]
, 2011 Titanium based alloys reinforced uniaxially with silicon carbide fibres (Ti/SiC) are advanced and innovative materials for aerospace vehicles.
Ma, Wei
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Effects of composition and processing variables on transverse rupture strength and hardness of nickel-alloy-bonded titanium carbide [PDF]
"The material requirements of carbide cutting tools for machining steel and cast iron are dependent on tungsten carbide (wc) bonded with CO, with additions of tac and tic.
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Acta Odontologica TurcicaOBJECTIVE: This study aims to compare the force losses of nickel-titanium closed springs, elastomeric chains, and active tie-backs over time in an in vitro environment containing artificial saliva. MATERIALS AND METHODS: In the study, elastomeric chains,
Emine Aydın +2 more
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Release of metal ions from round and rectangular NiTi wires
Progress in Orthodontics, 2016 Background The aim of this study was to evaluate the amount of nickel and titanium ions released from two wires with different shapes and a similar surface area. Methods Forty round nickel-titanium (NiTi) arch wires with the diameter of 0.020 in.
Arash Azizi +5 more
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Nickel-Catalyzed Enantioselective Reductive Arylation of Common Ketones
A nickel complex of chiral bisoxazolines catalyzed the stereoselective reductive arylation of ketones in high enantioselectivity. A range of common acyclic and cyclic ketones reacted without the aid of directing groups. Mechanistic studies using isolated
Shuai Huang (60512) +1 more
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The Journal of Indian Prosthodontic Society, 2017 Aims: The aim of this study was to evaluate and compare the shear bond strength of porcelain to the alloys of nickel-chromium (Ni-Cr), cobalt-chromium (Co-Cr), and titanium.
Ananya Singh +2 more
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, 2019 Copper and nickel were examined as potential interlayers in transient liquid phase brazing (TLPB) of commercially pure titanium (CP-Ti) and Ti-6Al-4V.
Tadgell, Colin
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Journal of Pharmacy and Bioallied SciencesBackground: The present investigation aimed to evaluate salivary concentrations of titanium and nickel in individuals subjected to endosseous implant therapy. Materials and Methods: A total cohort of 100 participants was recruited.
Sahil Sarin +5 more
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