نتایج جستجو برای: thickness control
تعداد نتایج: 1424827 فیلتر نتایج به سال:
asymmetric polyethersulfone (pes) microfiltration flat sheet membranes were composed by the phase inversion method (pim) and were used as supports. composite membranes were fabricated by coating silicone rubber as selective layer. effect of different concentrations of pes and pdms and different solvent such as nmp, dmf and dms effects as pes solvents and support thickness and different coagulat...
ورقهای فولادی با ضخامتهای مختلف از جمله تولیدات مهم در صنعت فولاد بوده و دارای مصارف زیادی در صنایع خودروسازی، ساخت ماشین آلات صنعتی و لوازم خانگی میباشد و نورد سرد به عنوان یکی از مهمترین فرایندها در تولید ورقهای فولادی در تعیین کیفیت آنها مطرح است. هدف نهایی در این فرایند کاهش ضخامت ورق به طور به طور یکنواخت و به مقدار مطلوب میباشد لذا در اکثر کارخانه های تولید محصولات فولادی از خطوط نورد سرد...
چکیده ندارد.
objective(s): atherosclerosis is a chronic immune-inflammatory disease that generally leads to ischemic heart disease. ghrelin has several modulatory effects on cardiovascular system. in this study, we investigated the effect of ghrelin on aortic intima-media thickness, size and the number of adipocyte cells in obese and control mice. materials and methods:this study was conducted on 24 male c5...
purpose : to compare central corneal thickness (cct), corneal endothelial cell density, and lens capsule thickness in normotensive patients with and without pseudoexfoliation syndrome (pxs) methods : this was a prospective, comparative, descriptive study. normotensive candidates for cataract surgery with (study group) and without (control group) pxs were enrolled in the study. cct and corneal e...
Abstract The paper explains further developments of a new concept called TNC (Thickness Noise Control) the application surface ventilation to reduction helicopter rotor low-frequency in-plane harmonic (LF-IPH) noise. method is based on introduction four cavities covered by perforated plates (connected low and high pressure reservoirs) positioned symmetrically at front rear extremities blade tip...
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