منابع مشابه
A New Strategy for Fast MRI-Based Quantification of the Myelin Water Fraction: Application to Brain Imaging in Infants
The volume fraction of water related to myelin (fmy) is a promising MRI index for in vivo assessment of brain myelination, that can be derived from multi-component analysis of T1 and T2 relaxometry signals. However, existing quantification methods require rather long acquisition and/or post-processing times, making implementation difficult both in research studies on healthy unsedated children ...
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New diagnostics are presented that use a digital camera to measure full-field soot temperatures and soot volume fractions in axisymmetric flames. The camera was a Nikon D700 with 12 megapixels and 14 bit depth in each color plane, and was modified by removing the infrared and anti-aliasing filters. The flame considered here was an 88 mm long ethylene/air coflowing laminar jet diffusion flame on...
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In a composite the matrix distributes the load onto and between the fibers. It is therefore important to know the volume fraction of fibers to ensure proper load distribution and predicted structural performance. The most common method of determining composite fiber volume fraction (FVF) involves removal of the matrix by burn off or acid digestion. While estimates of the fiber, matrix and void ...
متن کاملThe role of relative cerebral blood volume obtained from Perfusion Weighted Imaging-MRI in glioma tumor grading before surgery
Introduction: Glioma is the most common type of brain malignancy among adults. Treatment for this type of tumor involves surgery, radiotherapy, and in higher grades, including chemotherapy. The precise grading of the tumor is critical for treatment planning and prognosis determining. Considering the possibility of problems such as errors in tissue sampling during surgery, as we...
متن کاملRapid Three-Dimensional Myelin Water Fraction Imaging of the Cervical Spinal Cord
INTRODUCTION: The ability to non-invasively and quantitatively assess myelin content in the spinal cord would improve our understanding of a variety of spinal cord-related conditions, as well as enhance our ability to differentially diagnose, treat and monitor them. Currently, little is known about the pathology of myelin in spinal cord disease due to the technical challenges of measuring myeli...
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ژورنال
عنوان ژورنال: NeuroImage
سال: 2018
ISSN: 1053-8119
DOI: 10.1016/j.neuroimage.2016.12.067