نتایج جستجو برای: compression force

تعداد نتایج: 275974  

Journal: :journal of medical signals and sensors 0
mohammad taghi karimi nima jamshidi

measurement of the loads exerted on the limb is a fundamental part of designing of an assistive device, which has been done by using strain gauges or a transducer. although calculation of loads applied on an orthosis coefficients achieved from calibration is a standard way, most of researchers determined the loads based on available equations. therefore, the aim of this research is finding the ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه خلیج فارس - دانشکده مهندسی 1393

in civil engineering concrete is a material combined of hydraulic cement, sand, gravel and water. gravel and sand compose 60 to 70 percent of concrete. these aggregates support compression force of concrete. cement paste acts as glue to stick grain together. in bushehr factories producing aggregates do not operate according to astm standards, so that fineness modulus (fm) of the produced sands ...

Journal: :تحقیقات مهندسی کشاورزی 0
علی ماشاءاله کرمانی استادیار پژوهش بخش تحقیقات فنی و مهندسی مرکز تحقیقات کشاورزی و منابع طبیعی قزوین تیمور توکلی هشتجین استاد دانشگاه تربیت مدرس سعید مینایی دانشیار دانشگاه تربیت مدرس

an understanding of the strength of rice grains as affected by moisture content and temperature is important for analysis and prediction of cracking and/or breakage behavior during handling and processing. further, the magnitude of these properties at various moisture contents and temperatures is needed for the accurate design of milling machinery so that grain damage is minimized. to determine...

Journal: :علوم و صنایع غذایی ایران 0
تکتم محمدی مقدم دانش آموخته دکتری مهندسی علوم و صنایع غذایی دانشگاه فردوسی مشهد و استادیار گروه علوم و صنایع غذایی دانشکده علوم پزشکی نیشابور سید محمد علی رضوی استاد گروه علوم و صنایع غذایی دانشگاه فردوسی مشهد مسعود تقی زاده استادیار گروه علوم و صنایع غذایی دانشگاه فردوسی مشهد آمنه سازگارنیا دانشیار گروه فیزیک پزشکی دانشگاه علوم پزشکی مشهد

roasting is the common shape of pistachio nuts processing and the purpose of this process is to increase the total acceptability of products. the aim of this study was the effects of hot air roasting temperatures (90, 120 and 150°c), times (20, 35 and 50 min) and air velocities (0.5, 1.5 and 2.5 m/s) on textural attributes (fracture force, hardness, apparent modulus of elasticity and compressio...

2017
Susie Lau Yang Faridah Abdul Aziz Kwan Hoong Ng

OBJECTIVES To investigate: (1) the variability of mammographic compression parameters amongst Asian women; and (2) the effects of reducing compression force on image quality and mean glandular dose (MGD) in Asian women based on phantom study. METHODS We retrospectively collected 15818 raw digital mammograms from 3772 Asian women aged 35-80 years who underwent screening or diagnostic mammograp...

Journal: :iranian journal of basic medical sciences 0
fatemeh sadeghi department of pharmaceutics, school of pharmacy and pharmaceutical research center, mashhad university of medical sciences, mashhad, iran fatemeh mosaffa school of pharmacy, mashhad university of medical sciences, mashhad, iran hadi afrasiabi garekani department of pharmaceutics, school of pharmacy and pharmaceutical research center, mashhad university of medical sciences, mashhad, iran

objective eudragits are widely used polymers in the production of oral sustained release dosage forms. the application of these polymers in the production of inert insoluble matrices has been investigated. however the effect of particle size, compaction force and presence of aerosil 200 as a glidant on the properties of eudragit rs and rl matrices prepared by direct compression of their physica...

M Moradi M Shariyat, S Samaee

All impact analyses performed so far for the composite plates, have treated central impacts. Furthermore, investigations on influences of the in-plane biaxial compression, tension, or tension-compression preloads on various responses of the low-velocity impact, especially the indentation, have not been performed so far. In the present research, a finite element formulation is presented for resp...

Journal: :journal of computational & applied research in mechanical engineering (jcarme) 2013
m. shariati h. hatami m. damghani nouri

in this research, softening and ratcheting behaviors of ck20 alloy steel cylindrical shells were studied under displacement-control and force-control cyclic axial loading and the behavior of hysteresis curves of specimens was also investigated. experimental tests were performed by a servo-hydraulic instron 8802 machine. the mechanical properties of specimens were determined according to astm e8...

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