نتایج جستجو برای: direct compression
تعداد نتایج: 511658 فیلتر نتایج به سال:
May-Thurner Syndrome (MTS) or iliac vein compression syndrome is caused by compression of the left common iliac vein by the right common iliac artery. This obstruction may cause leg swelling, varicosities, deep venous thrombosis, chronic venous stasis ulcers, or more serious complications, such as pulmonary embolism. Iliac vein compression can be assessed with computed tomography (CT) and iliac...
objectives: the purpose of this study was to evaluate whether intra-canal application of controlled direct electric current (dec) could accelerate the amount of orthodontic tooth movement (otm) in young adult mixed breed dogs. methods: fourth premolars of both jaws of five young adult mixed breed dogs were divided into two groups of control and experimental groups. orthodontic force was applied...
The Coordinate Logic (CL) Filters and their associated Coordinate Logic Operations (CLOs are used in image processing, pattern recognition and compression problems. The relationship between direct logic operations, fractal structures and algebraic structures are considered giving thus an insight to the issues related to image analysis and the interpretation of formal systems.CL filters provide ...
in civil engineering concrete is a material combined of hydraulic cement, sand, gravel and water. gravel and sand compose 60 to 70 percent of concrete. these aggregates support compression force of concrete. cement paste acts as glue to stick grain together. in bushehr factories producing aggregates do not operate according to astm standards, so that fineness modulus (fm) of the produced sands ...
background : the main objective of this study was to design, formulate and evaluate the physicochemical properties of 500 mg acetaminophen effervescent tablets, in order to accelerate its analgesic and antipyretic effects in patients with pill swallowing problems. methods : formulations with 500 mg of acetaminophen were prepared with effervescent bases including tartaric acid, citric acid, sodi...
90 LLE Review, Volume 98 Introduction The goal of the direct-drive approach to inertial confinement fusion (ICF)1,2 is to uniformly implode a spherical target with deuteriumtritium (DT) fuel using a large number of overlapped laser beams. A combination of high temperature and high areal density (ρR) in the DT fuel at peak compression is necessary to ignite the target and achieve high gain.13 ...
UNLABELLED A 2-year-old boy found in cardiac arrest secondary to drowning received standard CPR for 35 minutes and was transported to a tertiary hospital for rewarming from hypothermia. Chest compressions in hospital were started using two-thumb encircling hands technique. Subsequently two-thumbs direct sternal compression technique and after sternal force/depth sensor placement, chest compress...
In this paper we present a compression technique for efficiently representing boundary objects from volumetric data-sets. Exploiting spatial coherency within object contours, we are able to reduce the size of the volumetric boundary down to the size of just a few images. Allowing for direct volume rendering of the down-scaled data in addition to compression ratios up to 250:1, interactive volum...
A review of the 36 previously reported cases of FKS revealed that only eight (22%) of the cases satisfied Foster Kennedy's original hypothesis for the pathogenesis of his syndrome. 12 cases (33%) were probably caused by bilateral optic nerve compression. [8] The authors conclude that as more sophisticated imaging permits earlier and more precise diagnosis, future cases of FKS caused by a mass w...
Primary pulmonary hypertension is often associated with angina-like chest pain of uncertain etiology. Left main coronary artery compression by the pulmonary artery is a treatable cause of angina and should be considered in these patients. We describe a patient presenting with primary pulmonary hypertension, clinical angina and extrinsic compression of the left main coronary artery by the pulmon...
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