منابع مشابه
tight frame approximation for multi-frames and super-frames
در این پایان نامه یک مولد برای چند قاب یا ابر قاب تولید شده تحت عمل نمایش یکانی تصویر برای گروه های شمارش پذیر گسسته بررسی خواهد شد. مثال هایی از این قاب ها چند قاب های گابور، ابرقاب های گابور و قاب هایی برای زیرفضاهای انتقال پایاست. نشان می دهیم که مولد چند قاب تنک نرمال شده (ابرقاب) یکتا وجود دارد به طوری که مینیمم فاصله را از ان دارد. همچنین مسایل مشابه برای قاب های دوگان مطرح شده و برخی ...
15 صفحه اولAn Unusual Trocar Site Hernia after Prostatectomy
Trocar site hernias are rare complications after laparoscopic surgery but most commonly occur at larger trocar sites placed at the umbilicus. With increased utilization of the laparoscopic approach the incidence of trocar site hernia is increasing. We report a case of a trocar site hernia following an otherwise uncomplicated robotic prostatectomy at a 12 mm right lower quadrant port. The vermif...
متن کاملDirect Trocar Insertion Technique: an Alternative for Creation of Pneumoperitoneum
OBJECTIVES The direct trocar insertion technique (DTI) for the creation of pneumoperitoneum has been described as an alternative to open and Veress needle (VN) techniques. This study assesses the safety and feasibility of direct trocar insertion without a pre-existing pneumoperitoneum in patients undergoing elective laparoscopic procedures. METHODS From November 2001 to February 2006, we retr...
متن کاملThree-way Stopcock: An Effective Air-tight Connecter for Laparoscopic Gas Insufflation
Sir, Laparoscopic surgery has become gold standard surgical care in dealing certain pathologies particularly the benign diseases of gall bladder. Although laparoscopic cholecystectomy is costlier than its open counterpart, it does provide a much better quality-of-life to the patient. This has led to an increase in laparoscopic operations.[1,2] To cut-down the surgical expenditure, particularly ...
متن کاملdevelopment and implementation of an optimized control strategy for induction machine in an electric vehicle
in the area of automotive engineering there is a tendency to more electrification of power train. in this work control of an induction machine for the application of electric vehicle is investigated. through the changing operating point of the machine, adapting the rotor magnetization current seems to be useful to increase the machines efficiency. in the literature there are many approaches wh...
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ژورنال
عنوان ژورنال: Journal of the American Medical Association
سال: 1908
ISSN: 0002-9955
DOI: 10.1001/jama.1908.25310280038004d