998 resultados para K-UNIFORM HYPERGRAPHS
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Titre uniforme : [Fantaisies. Piano. KV 475. Do mineur]
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To enhance the clinical value of coronary magnetic resonance angiography (MRA), high-relaxivity contrast agents have recently been used at 3T. Here we examine a uniform bilateral shadowing artifact observed along the coronary arteries in MRA images collected using such a contrast agent. Simulations were performed to characterize this artifact, including its origin, to determine how best to mitigate this effect, and to optimize a data acquisition/injection scheme. An intraluminal contrast agent concentration model was used to simulate various acquisition strategies with two profile orders for a slow-infusion of a high-relaxivity contrast agent. Filtering effects from temporally variable weighting in k-space are prominent when a centric, radial (CR) profile order is applied during contrast infusion, resulting in decreased signal enhancement and underestimation of vessel width, while both pre- and postinfusion steady-state acquisitions result in overestimation of the vessel width. Acquisition during the brief postinfusion steady-state produces the greatest signal enhancement and minimizes k-space filtering artifacts.
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Échelle(s) : [1:1 337 000 environ], Lieues de France, de 25 au degré, 30 [= 9,8 cm]
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The purpose of this chapter is to implement Iowa Code chapter 316 and sections 6B.42, 6B.45, 6B.54 and 6B.55, as required by the Uniform Relocation Assistance and Real Property Acquisition Policies Act of 1970, Pub. L. 91-646, as amended by the Uniform Relocation Act Amendments of 1987, Title IV, Pub. L. No. 100-17 , Sec. 104, Pub. L. 105-117, and federal regulations adopted pursuant thereto.
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[Traditions. Asie. Inde. Présidence de Madras [i.e. Chennai]. Ceded Districts]
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[Traditions. Asie. Inde. Présidence de Madras [i.e. Chennai]. Etat du Kerala. Région du Malabar]
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[Traditions. Asie. Inde. Province de Madras [i.e. Chennai]. État du Kérala. Kochi]
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[Traditions. Asie. Inde. Province de Madras [i.e. Chennai]. État de Karnataka. Région du Kanara]
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[Traditions. Asie. Inde. Etat du Maharashtra. Amravati]
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[Traditions. Asie. Inde. Province du Berar. Yavatmal]