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A new way to generate light using pre-existing defects in semiconductors（图）
半导体 高铟浓度 氮化铟镓LED
2023/6/7
Researchers from the Low Energy Electronic Systems (LEES) interdisciplinary research group at the Singapore-MIT Alliance for Research and Technology (SMART), MIT’s research enterprise in Singapore, to...
Tessier Number 30 Clefts With Congenital Heart Defects
Facial Median Cleft Congenital Heart Defects
2015/10/22
Introduction: Midline cleft of mandible, classified as Tessier 30 clefts is extremely rare, with less than 100 reported cases in the latest studies. Variations in severity and associated malformations...
Configuration of VLSI Arrays in the Presence of Defects
Circuit area fault tolerance percolation theory probabilistic analysis queuing processes systolic arrays
2015/8/14
The penalties for configuring VLSI arrays for yield enhancement are assessed. Each dement of the fabricated array is assumed to be defective with independent probability p. A fixed fractmn R of the el...
Configuration of VLSI Arrays in the Presence of Defects
Circuit area fault tolerance percolation theory probabilistic analysis queuing processes systolic arrays wafer-scale integration wire length
2015/8/12
The penalties for configuring VLSI arrays for yield enhancement are assessed. Each dement of the fabricated array is assumed to be defective with independent probability p. A fixed fractmn R of the el...
A computer memory with defects is modeled as a discrete memoryless channel with states that are statistically determined. The storage capacity is found when complete defect information is given to the...
Localized breathing modes in granular crystals with defects
One dimensional chain tight elastic beads Hertz interaction breathing pattern
2014/12/24
We study localized modes in uniform one-dimensional chains of tightly packed and uniaxially compressed elastic beads in the presence of one or two light-mass impurities. For chains composed of beads o...
Risk Factors of Neural Tube Defects in Northern Iran
Neural Tube Defects Ethnicity Body Mass Index Nutritional Sciences
2015/10/13
Background:: Neural tube defects (NTDs) including spina bifida and anencephaly are the second most common birth defects with 2.8 per 1000 births in northern Iran.
One-Stage Repair and Reconstruction of Craniomaxillofacial Bone Defects
Craniomaxillofacial Bone Defects Repair and Reconstruction
2013/1/30
Objective: Severe craniomaxillofacial injuries and craniomaxillofacial tumors can lead to craniomaxillofacial bone defects and deformities. Seriously affect the patients’ appearance and quality of lif...
Aged rat heart: Modulation of age-related respiratory defects decreases ischemic-reflow injury
Mitochondria Cytochrome Oxidase Complex III Myocardial Infarction Aging
2013/1/29
Myocardial injury increases in the elderly heart during ischemia and reperfusion. Mitochondria, the key targets and sources of injury during ischemia and reperfusion, sustain ischemic damage to the el...
Genes that control heartbeat could shed light on heart defects
Genes heartbeat heart defects
2011/1/5
An international study involving researchers at the Medical Research Council (MRC) Human Genetics Unit has found several areas of the human genome responsible for controlling the rhythm of heartbeats....
A Survey on the Accuracy of Radiovisiography in the Assessment of Interproximal Intrabony Defects
Direct digital radiography (RVG) Intrabony defect Periodontal disease
2010/1/4
Statement of problem: Digital measurement of RVG may improve diagnostic interpretation of radiographs in terms of accuracy, although it has been shown that validity of linear measurements of interprox...
RESIDUAL DEFECTS AFTER SURGICAL REPAIR OF VENTRICULAR SEPTAL DEFECTS IN CHILDREN:INCIDENCE,RISK FACTORS AND FOLLOW-UP
Ventricular septal defect echocardiography children congenital heart diseases corrective surgery
2009/12/14
Residual ventricular septal defects (VSD) are major complications after cardiac surgery. We studied the incidence of this complication, risk factors for its occurrence and short-term follow-up in 179 ...
Evaluation of Three Bone Substitute Materials in the Treatment of Experimentally Induced Defects in Rabbit Calvaria
Bone regeneration Bio-Oss Biostite
2009/12/9
Objective:
The aim of present study was to evaluate the quality, density and thickness of newly formed bone in experimental defects treated with Combi-Pack®, Bio-Oss® and Biostite®.
Mat...
Device Occlusion versus Surgery for Closure of Congenital Heart Defects: Cost Issues in Iran
Cost Patent ductus arteriosus Atrial septal defect Ventricular septal defect
2009/12/7
Background: Closure of patent ductus arteriosus (PDA), ventricular septal defect (VSD) and atrial septal defect (ASD) can be done surgically or by device. This study was designed to compare the total ...
The Healing Effect of Vitreous Body on Repair of Cartilage Defects of Knee Joint in Dog as an Animal Model
Vitreous body Healing Cartilage defect Knee Joint Dog
2015/9/18
Background: To investigate the healing effects of vitreous body in repair of cartilage defects of the knee joint in dog as an animal model.