نتایج جستجو برای: internal curing
تعداد نتایج: 242879 فیلتر نتایج به سال:
There has been a continual advent of improved technologies in dentistry. Among these are the material sciences of resin-based composites (RBCs). Since the introduction of light-cured RBCs, the problem of polymerization shrinkage and the methods used to overcome this have concerned clinicians and researchers. Types of curing light and modes of curing have been shown to affect the degree of polym...
Combination Effects of Internal Curing and Permanent Formwork on Shrinkage of High Strength Concrete
tourism , today as one of the ways to make money, create jobs , and social and political interactions is considered. this paper aims to examine the strengths and weaknesses of tourism development in mahmoud abad ( mazandaran ). the research method in this study is " descriptive - analytical " and to collection of data used field methods such as questionnaires and documentation - library. the sa...
A solution polymerization method has been used to synthesize a polyacrylic-type superabsorbent polymer (SAP). The influence of various influential factors, such as the temperature, neutralization degree, cross-linking agent, and initiator, on water absorption capacity SAP investigated. results show that can display non-monotonic behavior depending synthesis conditions. also change according pH,...
Mechanical properties of internal curing concrete are greatly affected by its physical such as water content, cementing material porosity, and saturation. At the micro- level, impact is finally reflected in surface texture materials. In this study, image recognition technology was used to find that samples have significant micromorphology features. A parameter–strength model established based o...
As discussed in Part I, the type of curing light and curing mode impact the polymerization kinetics of resin-based composite (RBC) materials. Major changes in light-curing units and curing modes have occurred. The type of curing light and mode employed affects the polymerization shrinkage and associated stresses, microhardness, depth of cure, degree of conversion, and color change of RBCs. Thes...
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