Results 81 to 90 of about 12,162 (308)
Review and prospects of shear test of bolted rock joints
Deep Underground Science and Engineering, EarlyView.The laboratory shear test equipment, test method, and numerical simulation of bolted rock joints were summarized. The shortcomings and limitations of the current research were analyzed, and the research prospects were proposed. Abstract Rock bolting is a critical approach in geotechnical engineering for supporting weak rocks.
Shulin Ren +4 more
wiley +1 more source
Long-term storage affects adhesion between titanium and zirconia using resin cements.
, 2014 PURPOSE To determine the impact of long-term storage on adhesion between titanium and zirconia using resin cements. MATERIALS AND METHODS Titanium grade 4 blocks were adhesively fixed onto zirconia disks with four resin cements: Panavia F 2.0 ...
Gruber, Reinhard +5 more
core +1 more source
Surface hydration‐induced damage in tight oil‐bearing sandy conglomerate reservoirs
Deep Underground Science and Engineering, EarlyView.A series of techniques such as X‐ray diffraction, scanning electron microscopy, energy‐dispersive spectroscopy, conductivity tests, and infrared thermal imaging were used. The key findings are the identification of a two‐stage surface hydration process and the elucidation of the effects of various minerals and elements on the hydration process ...
Anbang Zhao +5 more
wiley +1 more source
Avaliação da resistência flexural de um cimento resinoso dual submetido a diferentes simulações clínicas [PDF]
, 2005 Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências da Saúde. Programa de Pós-Graduação em OdontologiaO objetivo desta pesquisa foi avaliar a resistência flexural do cimento resinoso dual Rely-X CRA (3M ESPE), submetido a ...
Silveira, Márcia Regina da
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Effects of a relined fiberglass post with conventional and self-adhesive resin cement [PDF]
Restorative Dentistry & EndodonticsObjectivesThis study was conducted to evaluate the mechanical properties of relined and non-relined fiberglass posts when cemented to root canal dentin using a conventional dual-cure resin cement or a self-adhesive resin cement.Materials and MethodsTwo ...
Wilton Lima dos Santos Junior +3 more
doaj +1 more source
Deep Underground Science and Engineering, EarlyView.A novel shear‐lag model, validated by pull‐out tests, incorporates a constant bond stress stage to predict the complete load–displacement response of grouted rock bolts, providing a new tool for optimizing anchorage length and material toughness in deep underground engineering. Abstract The stability of rock masses in deep underground excavations, such
Wenhui Bian +6 more
wiley +1 more source
Influência da limpeza pós-condicionamento e do método de secagem do silano sobre a união resina-cerâmica [PDF]
, 2012 Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências da Saúde. Programa de Pós-Graduação em OdontologiaObjetivos: avaliar a influência da limpeza pós-condicionamento e do método de secagem do silano sobre a resistência de ...
Siedschlag, Gustavo
core
Surface Hardness of Resin Cement Polymerized under Different Ceramic Materials
International Journal of Dentistry, 2012 Objectives. To evaluate the surface hardness of two light-cured resin cements polymerized under different ceramic discs. Methods. 40 experimental groups of 2 light-cured resin cement specimens (Variolink Veneer and NX3) were prepared and polymerized ...
Pimmada Kesrak, Chalermpol Leevailoj
doaj +1 more source
Journal of Applied Oral Science, 2015 Resin-based cements have been frequently employed in clinical practice to lute indirect restorations. However, there are numerous factors that may compromise the clinical performance of those cements.
Grace DE SOUZA +3 more
doaj +1 more source
Carbon emission assessment of tunnel infrastructures: From construction to operation
Deep Underground Science and Engineering, EarlyView.This study develops a lifecycle carbon accounting framework for tunnel infrastructures, covering design, construction, operation, maintenance, and dismantling. Applied to a subsea tunnel case, the framework reveals the carbon emission distribution among four typical tunnel types and highlights potential carbon offset methods for low‐carbon tunnel ...
Luyuan Long +4 more
wiley +1 more source