نتایج جستجو برای: bf

تعداد نتایج: 6952  

2007
Manfred Madritsch

In this paper we consider normal numbers over Gaussian integers generated by polynomials. This corresponds to results by Nakai and Shiokawa in the case of real numbers. A generalization of normal numbers to Gaussian integers and their canonical number systems, which were characterized by Kátai and Szabó, is given. With help of this we construct normal numbers of the form 0. bf(z1)c bf(z2)c bf(z...

Journal: :Stroke 1977
M Fujishima K Nishimaru T Omae

Seventy-seven patients with cerebral infarction have been re-examined every year and followed for 7 years. Thirty-one patients had normal cranial blood flow (BF) and the remaining 46 had subnormal cranial BF, determined by the intravenous RISA method at the time of the original attack. During a 7-year follow up, 7 patients (22.6%) of the normal cranial BF group died; 3 of stroke and the remaini...

Journal: :Family practice 2012
Gladys Ibanez Cyrille de Reynal de Saint Michel Mady Denantes Marie-Josèphe Saurel-Cubizolles Virginie Ringa Anne-Marie Magnier

BACKGROUND Given the benefits of breastfeeding (BF), health care institutions recommend that a child should be breastfed for the first 6 months of its life. However, differences between social groups as regards BF behaviour are very prevalent. OBJECTIVES To identify effective programmes that can be implemented by GPs to promote BF in low-income women. METHODS A review of the literature was ...

2017
Jukka Koffert Henri Honka Jarmo Teuho Saila Kauhanen Saija Hurme Riitta Parkkola Vesa Oikonen Andrea Mari Andreas Lindqvist Nils Wierup Leif Groop Pirjo Nuutila

OBJECTIVE Meal ingestion is followed by a redistribution of blood flow (BF) within the splanchnic region contributing to nutrient absorption, insulin secretion and glucose disposal, but factors regulating this phenomenon in humans are poorly known. The aim of the present study was to evaluate the organ-specific changes in BF during a mixed-meal and incretin infusions. DESIGN A non-randomized ...

Journal: :Magnetic resonance in medicine 2013
Eric R Muir Bryan De La Garza Timothy Q Duong

This study tested the sensitivity of an arterial spin labeling MRI method to image changes in retinal and choroidal blood flow (BF) and anatomical thickness of the retina in the rd10 mouse model of retinitis pigmentosa. High-resolution (42 × 42 μm) MRI was performed on rd10 mice and age-matched controls at 25, 35, and 60 days of age (n = 6 each group) on a 7-T scanner. Anatomical MRI was acquir...

Journal: :The European journal of neuroscience 2006
Ethan J Mohns Karl A E Karlsson Mark S Blumberg

Recent findings in infant rats suggest that the preoptic area (POA) and/or basal forebrain (BF) contribute to developmental changes in sleep and wake organization between postnatal day 2 (P2) and P9. To examine the contributions of these forebrain areas to sleep and wakefulness, separate lesions of the POA or BF, or combined lesions (POA + BF), were performed at P9, and precollicular transectio...

Journal: :Collegium antropologicum 2006
Tonci Misević Boris Brkljacić Lada Zibar Marko Jakić Sven Kurbel Radivoje Radić Sanja Misević

Duplex sonography was used to assess functional features of arteriovenous fistula (AVF) for hemodialysis (HD). Internal diameter (ID), resistance index (RI) and blood flow (BF) velocity in feeding artery and in vein ofAVF, and venous BF volume were analyzed with purpose to determine the normal values. Presumed normal BF velocities are those of clinically well functioning shunts, allowing BF thr...

2009
AARON M. WEAVER ASHLEY C. HILL JOSEPH L. ANDREACCI CURT B. DIXON

Purposes were to (a) to examine the validity and precision of a hand-to-hand bioelectrical impedance analyzer (HBIA) and (b) to determine the effect of an acute sub-maximal aerobic exercise bout on HBIA percent body fat (%BF) measures. Forty-one young adults (21 women; 20 men) visited the laboratory for body composition assessment on two separate occasions. During the control session, %BF was a...

Journal: :Journal of applied physiology 2000
G E van der Ploeg S M Gunn R T Withers A C Modra A J Crockett

This study compared the two following hydrodensitometric methods for estimating percent body fat (%BF): 1) estimation of residual volume (RV) by helium dilution before and after measurement of immersed mass at RV, and 2) determination of immersed mass at a comfortable level of expiration (approximately functional residual capacity) with measurement of the associated gas volume by oxygen dilutio...

Journal: :The Journal of chemical physics 2013
Ilias Magoulas Apostolos Kalemos Aristides Mavridis

The BF and BF(+) molecular systems have been thoroughly studied by multireference variational and single reference coupled-cluster methods employing basis sets of sextuple cardinality. Potential energy curves have been constructed for 33 (BF) and 8 (BF(+)) states and the usual molecular parameters have been extracted most of which are in excellent agreement with the available experimental data....

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