Results 51 to 60 of about 810,836 (243)
Hedging the longevity risk for the portuguese population in the bond market [PDF]
Portuguese Journal of Management Studies, 2012 Increases in life expectancy have been noticeable in recent decades and this is one of the key issues to the annuities industry and to the public pensions system. To address the problem of hedging the longevity risk, several instruments have been discussed within the financial markets in order to find a solution.
Rúben Pereira Carlos, Onofre Simões
openaire +1 more source
Photo‐Switchable Molecular Module Programming PET Biodegradation in Aquatic Environments
Advanced Functional Materials, EarlyView.We address the plastic durability paradox by integrating an itaconic acid–derived pyrrolidone module into polymer backbones. Sunlight in water triggers Norrish Type I ring‐opening and hydrophilization, enabling rapid biodegradation into nontoxic minerals.
Mohammad Asif Ali +16 more
wiley +1 more source
BMC Oral HealthObjective This study evaluated the effect of application delays on the dentin bond strength of different adhesive systems used in composite restorations. Methods Forty-five extracted human molars were randomly assigned to Clearfil SE Bond, G-Premio Bond,
Ahmet Gültekin +2 more
doaj +1 more source
Microtensile bond strength to Er:YAG laser pretreated dentin
Brazilian Dental Science, 2014 Objective: Although the effects of Er:YAG (erbium:yttrium aluminium garnet) laser on cavity preparation as well as on dentin bonding to composite have been described in the literature, the longevity of this bond is still unknown.
Roberta Marques da Graça Lopes +6 more
doaj +1 more source
Joggle lap shear testing of deep occlusal composite restorations lined with Dycal, Dycal LC, conventional or resin-modified glass ionomer [PDF]
Vojnosanitetski Pregled, 2017 Background/Aim. The longevity of a dental restoration may be predicted to some degree by its adhesive ability, and this, in turn, can be measured by bond strength testing between restorative materials and tooth structure.
Stojanovska Vera +7 more
doaj +1 more source
Advanced Healthcare Materials, EarlyView.Efficient recovery from traumatic or degenerative diseases is a great challenge, even after all the advancements in bone and cartilage regeneration. Machine learning (ML) algorithms have presented opportunities to enhance these aspects by accurately analyzing imaging data.
Maryam Kamaei +9 more
wiley +1 more source
Restorative Dentistry & Endodontics, 2014 Objectives Extensively destroyed teeth are commonly restored with composite resin before cavity preparation for indirect restorations. The longevity of the restoration can be related to the proper bonding of the resin cement to the composite. This study
Victor Hugo dos Santos +3 more
doaj +1 more source
Advanced Healthcare Materials, EarlyView.Mitochondria‐targeted nanotherapies emerge as a promising strategy for combating aging‐associated neurodegenerative disorders (NDs) by restoring mitochondrial function, reducing oxidative stress, and improving neuronal survival. Recent advances in nanotechnology, therapeutic delivery, and translational research are highlighted, providing insights into ...
Dnyandev G. Gadhave +8 more
wiley +1 more source
Improving the bonding and longevity of adhesives and resins
Reinforced Plastics, 2019 Rivets, bolts and fasteners… for many manufacturers and mechanical engineers these are still the most tangible ways to join parts together. Seeing a nice row of bolts is reassuring and confidence inspiring. Adhesives are often seen as a black art and met with skepticism.
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State Space Vasicek Model of a Longevity Bond
, 2020 30 pages, 2 ...
Kalu, Georgina Onuma +3 more
openaire +2 more sources