نتایج جستجو برای: partial volume effects

تعداد نتایج: 2012014  

F. Khajepour S. A. Hosseini,

This study was conducted to investigate the effects of partial replacement of dietary fish meal with soybean meal (SBM) on some blood and serum parameters of Beluga (Huso huso) juveniles. Three isonitrogenic and isoenergetic diets, as SBM1 (Soybean meal protein (SBP): Fishmeal Protein (FP) =1:3), SBM2 (SBP: FP = 2: 3) and SBM3 (SBP: FP =1: 1) were fed to triplicate groups of fish. After 8 weeks...

F. Khajepour, S. A. Hosseini,

This study was conducted to investigate the effects of partial replacement of dietary fish meal with soybean meal (SBM) on some blood and serum parameters of Beluga (Huso huso) juveniles. Three isonitrogenic and isoenergetic diets, as SBM1 (Soybean meal protein (SBP): Fishmeal Protein (FP) =1:3), SBM2 (SBP: FP = 2: 3) and SBM3 (SBP: FP =1: 1) were fed to triplicate groups of fish. After 8 weeks...

2002
Zigang Wang Zhengrong Liang

In this paper, a new feature based rendering algorithm for partial volume is presented. This algorithm utilizes both surface and volume information for the rendering of the partial volume segmentation data with associated features. First principal directions are extracted from the partial volume segmentation dataset to construct a feature vector dataset. Using the improved LIC (line integral co...

Journal: :The European respiratory journal 2002
S A Loer D Kindgen-Milles J Tarnow

During partial liquid ventilation perfluorocarbons are eliminated mainly by evaporation via the airways. The effects of intrapulmonary perfluorocarbon volume, respiratory rate, tidal volume, as well as the level of end-expiratory pressure on perfluorocarbon elimination from isolated lungs, were studied. Nonperfused rabbit lungs underwent partial liquid ventilation (2-15 mL x kg(-1) perfluorocar...

Journal: :AJNR. American journal of neuroradiology 1987
J S Tsuruda W G Bradley

To make a comparative analysis of calcium detection between MR and CT, anhydrous, insoluble calcium carbonate spheres varying in size from 1.5-7.0 mm were embedded in three physiologic tissue phantoms: low-protein gelatin (3 gm%), high-protein gelatin (6 gm%), and heavy mineral oil. The calcium-containing phantoms were scanned by CT and MR, using both T1- and T2-weighted sequences, with a slice...

Journal: :Journal of the South African Veterinary Association 1999
G F Stegmann

Xylazine, midazolam and a midazolam/ketamine combination were administered to 6 goats in a randomised 3-way block design. All goats received all treatments with at least a 7-day interval between treatments. Statistically significant (P < 0.05) changes were observed in some of the measured cardiopulmonary variables for xylazine and midazolam/ ketamine. Xylazine administration resulted in statist...

Journal: :Journal of nuclear medicine : official publication, Society of Nuclear Medicine 2000
C C Meltzer M N Cantwell P J Greer D Ben-Eliezer G Smith G Frank W H Kaye P R Houck J C Price

UNLABELLED It remains a matter of controversy as to whether cerebral perfusion declines with healthy aging. In vivo imaging with PET permits quantitative evaluation of brain physiology; however, previous PET studies have inconsistently reported aging reductions in cerebral blood flow (CBF), oxygen metabolism, and glucose metabolism. In part, this may be because of a lack of correction for the d...

2017
Miguel Molina-Romero Pedro A Gómez Jonathan I Sperl Andrew J Stewart Derek K Jones Marion I Menzel Bjoern H Menze

Here we present blind source separation (BSS) as a new tool to analyse multi-echo diffusion data. This technique is designed to separate mixed signals and is widely used in audio and image processing. Interestingly, when it is applied to diffusion MRI, we obtain the diffusion signal from each water compartment, what makes BSS optimal for partial volume effects correction. Besides, tissue charac...

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