نتایج جستجو برای: t shaped tube hydroforming
تعداد نتایج: 859260 فیلتر نتایج به سال:
مکان یابی مناطق مناسب جهت دفن مواد زاید از اقدامات مهم در فرآیند مدیریت پسماندهای جامد شهری است. هدف از این تحقیق مکان یابی مناطق مناسب جهت دفن مواد زاید با استفاده از تحلیل سلسله مراتبی( ahp) و منطق فازی با بهره گیری از نرم افزار expert choice است. نخست هر یک از عوامل موثر بر مکان یابی در منطقه مورد مطالعه از قبیل شیب، کاربری اراضی، لیتولوژی، فاصله از راه، فاصله از راه آهن، فاصله از آبراهه، فا...
Purpose: of this paper: The paper presents some results of extensive investigation of steel seam-welded tubes forming process, by applying combined treatment of material narrowing and expansion. The objective of executed numerical FE and experimental investigations was to determine the optimal technology for production of tubular product at simple tools and at the standard forming processing ma...
Retention within the middle ear cleft is an unusual complication of T-tube insertion. A 40-year-old woman with Kartagener's Syndrome presented with hearing impairment in the right ear. She was found to have a previously inserted Goode T-tube lying within the middle ear behind an intact drum. She underwent successful removal of the T-tube via a myringotomy, and a new tube was re-inserted. Migrat...
OBJECTIVE To compare the incidence of biliary complications after liver transplantation in patients undergoing choledochocholedochostomy reconstruction with or without T tube in a multicenter, prospective, randomized trial. SUMMARY BACKGROUND DATA Several reports have suggested that biliary anastomosis without a T tube is a safe method of biliary reconstruction that could avoid complications ...
This study aims to investigate the formability of AA2198-T3 Al-Li alloy in hydro-mechanical deep drawing (HMDD), through experimentation and finite element simulation. The effects most critical factors were studied: die cavity pressure forming temperature; temperature is selected at 298K 423K. Gurson?Tvergaard?Needleman model (GTN model) was employed analyze predict fracture hydroforming a cyli...
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