نتایج جستجو برای: aging of materials

تعداد نتایج: 21203454  

Journal: :Haemophilia : the official journal of the World Federation of Hemophilia 2010
G Dolan

SUMMARY Life expectancy for haemophilia has increased significantly in many countries. This represents a major success of the improved safety of therapeutic materials to treat haemophilia and of improved quality of care. This improved longevity will generate a population of older individuals with haemophilia with complex medical problems associated with age and managing such clinical issues is ...

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی استان فارس - دانشکده دندانپزشکی 1385

چکیده ندارد.

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1392

like any other learning activity, translation is a problem solving activity which involves executing parallel cognitive processes. the ability to think about these higher processes, plan, organize, monitor and evaluate the most influential executive cognitive processes is what flavell (1975) called “metacognition” which encompasses raising awareness of mental processes as well as using effectiv...

2008
Holly Rushmeier

Computer graphics is used in a wide variety of familiar applications, ranging from abstract representations of statistical and scientific data to synthetic characters in feature films and games. One important sub-area of computer graphics is the generation of realistic images. A key component in generating realistic images is creating digital models of the appearance attributes of the materials...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1390

acknowledgements i wish to express my gratitude to all those who have helped me in preparing this thesis. i would like to express my deep gratitude to my respected advisor dr. kourosh akef, whose advice and comments helped me in the early stages of the research and throughout the writing process. i would also like to express my gratitude to dr. hajar khanmohammad whose invaluable guidance he...

CoHErrelation between weldability and improvement in properties is a key issue in materials science research. The objective of this work is to optimize the process parameters viz., aging temperature, aging time, solutionizing time, to enhance the hardness of Al6061 alloy. Hence, the present paper deals with hardness study of Tungsten Inert Gas welded 6061 aluminium alloy after age hardening und...

2008
Joy Goodman-Deane John Clarkson Pat Langdon Sam Waller

Despite the ageing population and the subsequent importance of considering older people in design, many designers struggle to do so. In particular, they often lack appropriate materials and tools to help them implement inclusive design in practice. This paper describes work at the Cambridge Engineering Design Centre to address this shortfall, developing resources to motivate and equip designers...

Journal: :journal of dentistry, tehran university of medical sciences 0
ghavam m goodarzy a

statement of problem: esthetic materials undergo some physical and mechanical changes, during their service in oral cavity. purpose: the aim of this study was the evaluation of the color and opacity stability of ideal makoo (idm) composites and compare it with tetric ceram. material and methods: fifteen disk shaped samples of each material was divided into three groups of five. different aging ...

Journal: :Physical chemistry chemical physics : PCCP 2011
Yun Ling Piotr Kozakiewicz Frank Blockhuys Monique Biesemans Christian Van Alsenoy Hans Moons Etienne Goovaerts Rudolph Willem Sabine Van Doorslaer

Using a combination of multi-frequency EPR and NMR spectroscopy and quantum-chemical calculations at the level of Density Functional Theory (DFT), the organization of self-doped PPV oligomers in their solid state is investigated. The analysis of the different spectra shows that the electrochemical procedure used to self-dope these materials produces positive radicals (polarons) in an almost qua...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1391

this ethnographic case study research was carried out in a private school setting in the context of iran. the research tried to explore the analysis and identity construction of a group of learners and teachers along with the content analysis of books on the basis of four types of commodified, political, national and narrative identities. how english language learners and teachers in an informa...

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