Quantitative analysis of lead in polysulfide-based impression material
نویسندگان
چکیده
منابع مشابه
Method of Quantitative Phase Analysis by XRD Without Reference Material
This new method which is worked out in Isfahan University of Technology, makes it possible to analyze the phases quantitatively in minerals and powdered materials by X Ray Diffraction and without any reference material. To identify n unknown phases, n different combinations of phases, from fine and coarse fractions, or etc., must be obtained. Amorphous phases should not exist. Intensity ratios ...
متن کاملMethod of Quantitative Phase Analysis by XRD Without Reference Material
This new method which is worked out in Isfahan University of Technology, makes it possible to analyze the phases quantitatively in minerals and powdered materials by X Ray Diffraction and without any reference material. To identify n unknown phases, n different combinations of phases, from fine and coarse fractions, or etc., must be obtained. Amorphous phases should not exist. Intensity ratios ...
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The viscoelastic properties of nine silicone-, polysulfide-, and polyether-based impression materials were determined using creep tests. During deformation the materials demonstrated linear viscoelastic behavior. The creep compliance curves, recovery, and percent set were calculated. Permanent deformation in these materials is a result of lack of recovery of elastic deformation as well as visco...
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اندیشمندان و صاحب نظران علوم اجتماعی بر این باورند که مرحله تازه ای در تاریخ جوامع بشری اغاز شده است. ویژگیهای این جامعه نو را می توان پدیده هایی از جمله اقتصاد اطلاعاتی جهانی ، هندسه متغیر شبکه ای، فرهنگ مجاز واقعی ، توسعه حیرت انگیز فناوری های دیجیتال، خدمات پیوسته و نیز فشردگی زمان و مکان برشمرد. از سوی دیگر قدرت به عنوان موضوع اصلی علم سیاست جایگاه مهمی در روابط انسانی دارد، قدرت و بازتولید...
15 صفحه اول[Dimensional accuracy of thermoplastic impression material Adaptol. Part 1. Influence of handling temperature of impression material].
A thermoplastic impression material Adaptol (J.F. Jelenko & Co.) is used for the impression of denture and has attained good results. But the accuracy of the impression material is not distinct. The purpose of this study was to investigate the influence of handling temperature on dimensional accuracy of the impression material. Part 1. Impressions were made with Adaptol and custom trays. Accura...
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ژورنال
عنوان ژورنال: Materials Research
سال: 2007
ISSN: 1516-1439
DOI: 10.1590/s1516-14392007000200011