نتایج جستجو برای: 30zn tube

تعداد نتایج: 96555  

Journal: :American journal of surgery 2007
George F Gowen

BACKGROUND Long-tube decompression has achieved a 75% to 80% success rate in 5 studies, and the short tube had a 40% success rate in 3 studies. METHODS From 1984 to 1991, an endoscope-advanced long intestinal tube was placed into the jejunum in 17 patients, and from 1992 to 2004 an improved long tube was used in 23 patients. Costs were calculated for each type of procedure. RESULTS In the f...

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Journal: :International journal of laboratory hematology 2015
C Indevuyst W Schuermans E Bailleul P Meeus

INTRODUCTION The 'order of draw' has been advocated since 1982 to reduce the risk of cross-contaminating blood tubes with additives from a previously filled tube. METHODS We studied 193 patients receiving oral anticoagulation. Multiple tubes were collected in a specific order using the Sarstedt Safety Monovette System. We evaluated the effect of the 'order of draw' on the prothrombin time/int...

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Journal: :SHINKU 1966

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Journal: :Časopis pro pěstování matematiky a fysiky 1919

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Journal: :Academic Emergency Medicine 1999

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Journal: :The Lancet 1894

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Journal: :British Journal of General Practice 2014

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Journal: :Annals of Surgery 1972

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2012
Hun-Young Yoon Jin Suk Kim

This study was performed to compare the amount of air leakage into the thoracic cavity associated with three thoracostomy tube materials (silicone, polyvinyl chloride, red rubber) in canine cadavers. Differences in intrapleural pressures (IPPs) measured before and after tube placement and before and after tube removal were calculated. The duration of air leakage around the tubes was assessed by...

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2008
Keqin DING Guang CHEN Binan SHOU Xu ZHANG Donglin HUANG Xi Yuan He Ping Jie Chao Yang

The tube to tube sheet welding joints of heat exchanger is the most critical joints. A special Nondestructive testing technology was proposed, which is based on the digital radiographic imaging automatic inspection system to the characteristics on the tube to tube sheet welding joints of heat exchanger. A new style Linear Diode Arrays as a device is used to receive ray, which will be fixed on a...

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