منابع مشابه
Is the Detection of Odontoma Always Comfortable? A Case Report
Abstract Odontomas are the most common type of odontogenic tumors, which are often discovered by routine radiographic images or after taking films to determine the main cause of the tooth failure eruption or malocclusion. The present study aimed to describe a case of misdiagnosis and similarity of foreign body density in the radiographic appearance to odontoma in a 13-yea...
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in the past 40 years there has been drastic increase in the prevalence of obesity worldwide (1). This rapid increase in the prevalence of obesity is not a matter of physiologic or metabolic alteration within people. Thousands of scientific papers are published each year indicating that pharmaceutical companies are working to find possible money making antiobesity agents. Increasing in the preva...
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DD i j a n M73 1473 E D I T I O N O F 1 N O V 65 I S O B S O L E T E __________________U N C L A S S I F I E D _______________________ _ S E C U R I T Y C L A S S I F I C A T I O N O F T H I S P A G E (When Data Entered) SECURITY CLASSIFICATION OP THIS PAPE (When D a ta Entered) «
متن کاملDo Twin Boundaries Always Strengthen Metal Nanowires?
It has been widely reported that twin boundaries strengthen nanowires regardless of their morphology-that is, the strength of nanowires goes up as twin spacing goes down. This article shows that twin boundaries do not always strengthen nanowires. Using classical molecular dynamics simulations, the authors show that whether twin boundaries strengthen nanowires depends on the necessary stress for...
متن کاملOsmium metal studied under high pressure and nonhydrostatic stress.
Interest in osmium as an ultra-incompressible material and as an analog for the behavior of iron at high pressure has inspired recent studies of its mechanical properties. We have measured elastic and plastic deformation of Os metal at high pressures using in situ high pressure x-ray diffraction in the radial geometry. We show that Os has the highest yield strength observed for any pure metal, ...
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ژورنال
عنوان ژورنال: Johnson Matthey Technology Review
سال: 2014
ISSN: 2056-5135
DOI: 10.1595/147106714x682337