Results 111 to 120 of about 7,059 (228)

Influence of bottled salad dressings on the development of enamel erosion in the presence or absence of salivary pellicle – An in vitro study

open access: yesJournal of Oral Biology and Craniofacial Research
Background: Acidic beverages are believed to elevate the risk of enamel surface erosion. In addition to the intake of soft drinks, the increased consumption of salad dressings has been linked to a higher prevalence of dental erosion.
Aishwarya Lakshmi Billa   +5 more
doaj   +1 more source

Tensile and structural properties of glassy carbon [PDF]

open access: yes
High temperature tensile strength of glassy carbons in helium atmosphere - mechanical ...
Fischbach, D. B., Kotlensky, W. V.
core   +1 more source

Influence of plasma arc and quartz-tungsten-halogen curing lights on the polymerization of orthodontic composite resin [PDF]

open access: yes, 2011
Objetivo: Analisar, in vitro, as fontes luminosas Halógena (QTH) e Xenon (PAC) no grau de conversão e dureza de uma resina composta e também o calor gerado por estas unidades. Metodologia: discos com resina Transbond XT foram fotoativados por 10, 20 e 30
Berthold, Roger   +5 more
core  

Evaluation of refractory/austenitic bimetal combinations Third progress report, Dec. 22, 1965 - Jun. 22, 1966 [PDF]

open access: yes
Compatibility of explosively bonded refractory austenitic bimetal composites after isothermal and cyclic thermal ...
Buckman, R. W., Jr., Goodspeed, R. C.
core   +1 more source

Some Expected Mechanical Characteristics of Lunar Dust: A Geological View [PDF]

open access: yes
The engineering properties of the lunar regolith reflect aspects of the original parent rock and the consequences of hypervelocity meteor bombardment. Compared to the Earth the geologic nature of the lunar regolith is quite distinct.
Rickman, Doug, Street, Kenneth W.
core   +1 more source

Improved fracture toughness corrosion-resistant bearing material [PDF]

open access: yes
A development program was performed to establish whether a corrosion-resistant bearing material, such as a 14Cr steel, could be modified to allow carburization, thereby providing the excellent fracture toughness characteristics feasible with this process.
Bamberger, E. N., Nahm, A. H.
core   +1 more source

Evaluation of preventive methods used to interrupt the progression of early caries lesions. [PDF]

open access: yesJ Clin Exp Dent
Lima da Silva AP   +6 more
europepmc   +1 more source

High temperature compounds for turbine vanes [PDF]

open access: yes
Fabrication and microstructure control studies were conducted on SiC, Si3N and composites based on Si3N. Charpy mode impact testing to 2400 F established that Si3N4/Mo composites have excellent potential.
Cannon, R. M., Jr., Rhodes, W. H.
core   +1 more source

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