نتایج جستجو برای: degree of cure
تعداد نتایج: 21170638 فیلتر نتایج به سال:
Background and Aim: Insufficient polymerization of resin cements is of considerable clinical importance, because of mechanical deficiencies and biological side effects of uncured resin. Dual cure resin cements are getting popular in luting tooth colored posts and although their curing is claimed to proceed chemically, polymerization efficiency in deep areas of canal is uncertain. The aim of thi...
for several years, researchers in familiarity of efl teachers with post-method and its role in second and foreign language learners’ productions have pointed out that the opportunity to plan for a task generally develops language learners’ development (ellis, 2005). it is important to mention that the critical varies in language teaching was shown is the disappearances of the concept of method ...
abstract cooperative learning refers to small groups of learners working together as a team to solve a problem, complete a task, or accomplish a common goal. in a cooperative environment one’s success is directly related to the success of other members because the focus on the individual shifts towards the group. to test the effectiveness of the method, using jigsaw technique, a study was cond...
objective: to compare the efficacy of ceftriaxone plus ofloxacin or azithromycin for cases of pelvic inflammatory disease (pid). materials and methods: this clinical terial was performed on 180 women with pid from march 2005 to march 2007 in parastarane-shahed hospital. patients with pid were randomly divided to receive injection of ceftriaxone 250 mg plus ofloxacin 200 mg per day or azithrom...
اخیرا با کاربرد ترمیمهای همرنگ غیرمستقیم، تحقیقات جهت یافتن ماده مناسب جهت چسباندن این ترمیمها وسعت زیادی یافته است. سیمانهای رزینی به لحاظ استحکام، زیبایی، و ضخامت لایه ای مطلوب، کاربرد مناسبی در این زمینه دارند و انواع آنها با سیستمهای مختلف پلیمریزاسیون (شیمیایی، نوری، dual) بدین منظور توصیه شده اند؛ لیکن سیمانهای dual cure به دلیل ادعای کارخانه ها مبنی بر این که پس از قطع نور، پلیمریزاسیون ...
OBJECTIVE To determine the degree of cure of a light-cured resin-modified glass ionomer (RMGI) under molar bands compared with a light-cured resin and a dual-cured resin. MATERIALS AND METHODS The 3 cements used were Fuji Ortho LC, Eagle Spectrum resin, and Variolink II dual-cure. Each sample was indirectly light cured for 20 seconds (10 seconds occlusally, 10 seconds cervically) under sectio...
afinite element model is developed for simulation of the curing process of a thick axisymmetric rubber article reinforced by metal plates during the molding and cooling stages. the model consists of the heat transfer equation and a newly developed kinetics model for the determination of the state of cure in the rubber. the latter is based on the modification of the well-known kamal-sourour mode...
in this paper, it was shown that , where and , and , where is not prime and , are od-characterizable.
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