نتایج جستجو برای: investment cast
تعداد نتایج: 95293 فیلتر نتایج به سال:
Abstract Investment casting has long been known as a process that can produce complex parts with fine details. However, it not used widely for need to be anodized and whose nonuniform color is affected by the type of cast aluminum. Although 6063 aluminum in anodizing decoration purposes, almost entirely wrought. Some studies have aluminum, but no investment reported. The objective this work dev...
We investigate how the employment-based health insurance system in the U.S. affects individuals' life-cycle health-care decisions. We take the viewpoint that health is a form of human capital that affects workers' productivities on the job, and derive implications of employees' turnover on the incentives to undertake health investment. Our model suggests that employee turnovers lead to dynamic ...
The production of high integrity thin-walled investment cast components can be achieved by controlling the solidification process. aim this work was to study effect grain refiner on aluminum alloy A356.0 plates produced casting using a controlled Moulds with plate thicknesses 0.7 mm, 1.5 mm and 2 were cast. melted in an electric resistance furnace, one mould process, second modified Strontium (...
Geoff A. Parker Population and Evolutionary Biology Research Group, Nicholson Building, School of Biological Sciences, University of Liverpool, Liverpool, UK L69 3GS. Ever since Trivers [1] showed that parents and their offspring could be in conflict over the amount of parental investment, the evolution and maintenance of begging behaviour has been an area of increasing interest to evolutionary...
Introduction: The purpose of beading & boxing of an impression is to obtain an accurate cast with proper border & base thickness for fabrication of restorations. Beading is the protection of the formed border thickness of the final impressions & Boxing of an impression is building up vertical walls around it. Aim: The purpose of this hybrid technique of beading and boxing is to produce a smooth...
Background: Pin loosening and infection in skeletal traction are important problems in orthopedic surgery and methods which are usually used to manage these problems, are costly and sometimes complicated. In this study, the efficacy of using cast support in infection and loosening of proximal tibial pin was investigated. Methods: In a randomized clinical trial, 60 patients referring to Rasul-e...
calpastatin (cast) is a specific inhibiter of calpains, playing a role in meat tenderization and myogenesis. in the present study, the polymorphism of the cast gene of makoei sheep was investigated by polymerase chain reaction and single strand conformation polymorphism technique (pcr–sscp). genomic dna was extracted from whole blood samples collected from 100 sheep. a 622 bp cast exon 1 segmen...
calpastatin (cast) is a specific inhibiter of calpains, playing a role in meat tenderization and myogenesis. in the present study the polymorphism of the cast gene ofkhalkhali goat in azerbaijan province in iran was investigated by polymerase chain reaction and restriction fragment length polymorphism technique (pcr-rflp). genomic dna was extracted from whole blood samples collected from 200 kh...
background: creating a socket with proper fit is an important factor to ensure the comfort and control of prosthetic devices. several techniques are commonly used to cast transtibial stumps but their effect on stump shape deformation is not well understood. this study compares the dimensions, circumferences and volumes of the positive casts and also the socket comfort between two casting method...
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