نتایج جستجو برای: rubber friction

تعداد نتایج: 51177  

Journal: :Applied surface science advances 2021

The viscous dissipation between rigid, randomly rough indenters and linearly elastic counter bodies sliding past them is investigated using Green’s function molecular dynamics. study encompasses a variety of models differing in the height spectra properties rigid indenter, viscoelasticity elastomer, their interaction. All systems reveal expected damping linear velocity v at small pronounced max...

Journal: :مهندسی بیوسیستم ایران 0
صمد صبوری عضو هیات علمی موسسه تحقیقات برنج کشور شیوا روفی گری حقیقت عضو هیات علمی مرکز تحقیقات چای کشور

a cause for breakage of rice kernels during the whitening process could be assumed to be due to the produced heat. it is partly because of abrasion and friction of grains produced by contact against themselves and/or against cone and concave. in this study the effect of different temperatures of brown rice on rice kernels' breakage during the whitening process was investigated. khazar cult...

Journal: :journal of agricultural science and technology 2009
s.a.m razavi s. yeganehzad a. sadeghi

physical properties of four common iranian varieties of canola seeds (hyola, okapi, orient and slm) were evaluated as a function of their moisture contents. the average seed length and thousand seed mass varied linearly from 1.925 to 2.262 mm and from 3.06 to 4.84 g, respectively. the average diameter, geometric mean diameter, and sphericity varied non-linearly from 1.475 to 1.911 mm, 1.625 to ...

Journal: :مهندسی بیوسیستم ایران 0
سعید علی عسگریان نجف آبادی دانشجوی کارشناسی ارشد، دانشکده کشاورزی دانشگاه تبریز حمیدرضا قاسم زاده استاد دانشکده کشاورزی، دانشگاه تبریز جعفر حاجی لو استادیار دانشکده کشاورزی، دانشگاه تبریز

in the present research, the physical, nutritional and chromatic properties of strawberry (fragaria xananassa), selva cultivar were studied. the values for mass, diameter, length, geometric meandiameter and sphericity of strawberry fruit at 91.07% moisture content (d.b.) were 11.885 g, 28.260mm 29.697 mm, 28.585 mm and 0.971 respectively. at the same moisture content, volume, truedensity, bulk ...

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