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Three-dimensional Finite Element Analysis of Stress Distribution in Composite Resin Cores with Fiber Posts of Varying Diameters
Finite element analysis Composite resin core with fiber post Fiber post diameter
2009/9/11
Using three-dimensional finite element analysis (3D-FEA), stress distributions in the remaining radicular tooth structure were investigated under the condition of varying diameters of fiber post for f...
Effects of thermal cycling and surface roughness on the Weibull distribution of porcelain strength
Thermal cycling Weibull modulus Dental porcelain
2009/9/11
The objective of this study was to test the hypothesis that thermal cycling weakens the flexural strength of porcelain. Specimens of Deguceram Gold and Vita Omega 900 were tested in four groups of 30 ...
Magnetic Field Distribution and Signal Decay in Functional MRI in Very High Fields (up to 9.4 T) Using Monte Carlo Diffusion Modeling
Functional MRI Diffusion Modeling
2009/9/7
Extravascular signal decay rate R2 or R2∗ as a function of blood oxygenation, geometry, and field strength was calculated using a Monte Carlo (MC) algorithm for a wider parameter range than hith...
Size distribution of intravascular air emboli produced by decompression
decompression bubbles diameters lungs organ
2009/7/16
Intravascular bubbles formed by decompression have been measured in 7 living dogs to give 14 different determinations of size distribution. Larger bubbles were estimated by the terminal rise velocity ...
Tissue distribution of penicillin during constant rate infusion in rats at 71 ATA
drug penicillin animal rat
2009/7/15
Benzyl[14C]penicillin was infused at a constant rate of 100 mg X kg-1 X h-1 for 90 min in rats at 1 ATA air for the control group (n = 10) and at 71 ATA He-O2 for the pressure group (n = 11). The radi...
Hyperbaric exposure to a 5 ATA He-N2-O2 atmosphere affects the cardiac function and organ blood flow distribution in awake trained rats
trimix cardiac blood flow animal rat
2009/7/14
Previous studies on rats have demonstrated an increased myocardial blood flow (MBF) in spite of an unchanged cardiac output (CO), mean arterial pressure (MAP), and heart rate (HR) when rats were expos...
Anesthetic effect and distribution of infused pentobarbital in the rat at 71 ATA
drug anesthesia pentobarbital animal rat
2009/7/14
The anesthetic dose requirement and distribution of 14C-labeled pentobarbital were studied in rats at 1 ATA air and at 71 ATA He-O2. Pentobarbital was infused intravenously at a rate of 5 mg X kg-1 X ...
Cerebral blood flow distribution during exposure to 5 bar oxygen in awake rats
decompression CO2 carbon dioxide hypoxia hyperbaric cerebral blood flow cardiac output oxygen animal rat
2009/7/8
The regional cerebral blood flow (rCBF) and cardiac output (CO) were measured in conscious rats by the microsphere method during control, after 5 and 60 min at 5 bar O2, and 5 min after decompression ...
Laminar Distribution of the Sources of Ascending Spino-Supraspinal Pathways Involved in Nociceptive Transmission and Pain Modulation
Nucleus accumbens Thalamus Fluorescent double-labelling Spinal cord Nociception
2009/7/6
In the present study,we made an attempt to detect more exactly the laminar distribution of spinomesencephalic, spinothalamic and spinotelencephalic tract neurons and to estimate the character of axona...
Distribution of Tamoxifen in Rat Tissues During Steady-State Treatment
kidneys Tamoxifen Tissues Rat
2009/7/2
Tamoxifen citrate (TAM), a nonsteroidal antiestrogen, is a drug of choice in the endocrine treatment for all stages of breast cancer in both pre and postmenopausal patients. The tissue distrubution of...
Characterisation of a Polyclonal Antiserum Againts Ubiquitin and its use in the Investigation of Ubiquitin Conjugate Distribution in Normal and Stressed 3T3-LI Cells
Ubiquitin Heat Shock Stress
2009/7/2
Antiserum against ubiquitin was used to identify ubiquitin conjugates in 3T3- LI cells, and to investigate changes in the amount and distribution of these conjugates in cells subjected to stress. Stre...
Rate of Carriage,Serotype Distribution and Penicilin Resistance of Streptococcus pneumoniae in Healty Children
Streptococcus pneumoniae Penicilin susceptibility
2009/7/2
The purpose of this study was to define carriage rates for Streptococcus pneumoniae in a given population in Ankara and also to determine the sertypes and penicilin resistance of these strains. Oropha...
Frequency and Distribution of Risk Factors For Coronary Heart Disease in the Adult Population of Rural District of Elazığ,Turkey
Coronary heart disease risk factors adult population
2009/7/2
Objectives: This study was performed to determine the frequency and distribution of risk factors for coronary heart disease in people living in the Baskil district of Elazığ. Methods: From a...
Geographic Distribution of Postgraduate Dental Trainees in Japan
Postgraduate clinical training for dentists Imbalanced distribution of dentists
2010/12/1
Postgraduate clinical training for dentists in Japan became mandatory in April 2006. Mandatory postgraduate clinical training for physicians has been criticized as having accelerated the imbalance in ...
Distribution of Some Extracellular Matrix Proteins and Ultrastructural Findings in Sural Nerve Biopsy in Demyelinating Disease
multiple sclerosis sural nerve fibronectin laminin a5 and b4 subunits
2009/6/29
The involvement of both the peripheral nervous system (PNS) and central nervous system (CNS) in multiple sclerosis is a seldom encountered combination in neurology clinics. In this report, immunohisto...