نتایج جستجو برای: marginal opening
تعداد نتایج: 90303 فیلتر نتایج به سال:
We study the impact of an innovative policy intervention in India that led to a rapid expansion â??all women police stationsâ?? across cities on reported crime against and deterrence. Using identification strategy exploits staggered implementation stations nationally representative data various measures deterrence, we find opening increased by 22 percent. This is due increases reports female ki...
Continental break-up is an ingredient of plate tectonics and the Wilson cycle. During evolution Tethyan Realm since Paleozoic, a series ribbon-like (micro-)continents are split from Gondwana drifted northwards to Eurasian continent. The initial opening Neo-Tethys Ocean follows typical continental marginal Cimmeria Gondwana, which generally considered be driven by subduction Paleo-Tethyan plate....
background and aims. the aim of this study was to assess the opening torque of grooved and non-grooved screws made of shape memory alloys (sma) for fixation of mandibular fractures. materials and methods. in this in vitro study the opening torques of ten sma screws with grooves and ten sma screws without grooves were compared in 20 holes (10 holes for grooved screws and 10 holes for non-grooved...
Background and Aims: Marginal adaptation is important for the long-term success of full-coverage restorations. Preparation design is one of the important factors influencing the marginal integrity. Therefore, the purpose of this study was to compare the effect of radial shoulder and chamfer finish line designs on the marginal adaptation of all-ceramic Cercon restorations.Materials and Methods: ...
Background and Aims: Marginal gap measurement in all ceramic restorations they are of fundamental important for the successful used. As some studies led to contradiction results, yhe aim of this study is to compare marginal gap restorations between 4 kinds of ceramic restorations Inceram, IPS-e.max Press, Zirconia (CAD/CAM) and PFM. Materials and Methods: In this In-vitro experimental research...
An efficient and simple method for the preparation of Si-Imidazole-HSO4 functionalized magnetic Fe3O4 nanoparticles (Si-Im-HSO4 MNPs) and used as an efficient and reusable magnetic catalysts for the regioselective ring opening of epoxides under green conditions in water. This catalyst was used for the ring opening of epoxide corresponding to the thiocyanohydrins and azidohydrines. Compared to t...
Introduction: Marginal fit is a key factor for long term clinical success through any dental restorations. Poor marginal adaptation causes cement dissolution. This can lead to dental caries, gingival irritation, periodontal diseases, and finally treatment failure. The aim of this study was measurement and comparison of marginal gap quantities in metal ceramic and all ceramic dental restorations...
We study a dual channel supply chain in which a manufacturer sells to a retailer as well as to consumers directly. Consumers choose the purchase channel based on price and service qualities. The manufacturer decides the price of the direct channel and the retailer decides both price and order quantity. We develop conditions under which the manufacturer and the retailer share the market in equil...
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