نتایج جستجو برای: spiral groove

تعداد نتایج: 40910  

Journal: :Chemistry & Biology 2004

2009
Guy Madison Fabien Gouyon Fredrik Ullén

With groove we mean the subjective experience of wanting to move rhythmically when listening to music. Previous research has indicated that physical properties of the sound signal contribute to groove as opposed to mere association due to previous exposure, for example. Here, a number of quantitative descriptors of rhythmic and temporal properties were derived from the audio signal by means of ...

Journal: :iranian journal of radiology 0
atoosa adibi department of radiology, isfahan university of medical sciences, isfahan, iran; department of radiology, alzahra hospital, soffeh ave., isfahan, iran. tel: +983116255555, fax: +98-3116687898 ali shahbazi department of radiology, isfahan university of medical sciences, isfahan, iran

conclusions the automatic bolus-tracking method, results in higher contrast enhancement of the aorta and spleen at the portal phase, but has no effect on liver enhancement. however, bolus tracking is associated with reduced variability for liver enhancement among different patients. results forty-eight patients (23 male, 25 female, mean age=56.4±13.5 years) were included. the contrast enhanceme...

Investigation of broken symmetry phases with long range order in strongly correlated electron systems is among subjects that have always been of interest to condensed matter scientists. In this paper we tried to study the existence of the 120 degrees magnetic spiral order, based on anisotropy in geometrically frustrated triangular lattices, using variational cluster approximation. We observed t...

2012
Alexander V. Teplukhin Valery I. Poltev Victor B. Zhurkin

To elucidate the possible role of structural waters in stabilizing bent DNA, various conformations of AT-containing decamers, (A5T5)2 and A10:T10, were studied by Monte Carlo simulations. The duplexes were constrained to reproduce the NMR inter-proton distances for the A-tracts at two temperatures: ~5° and ~35°C. Analysis of the water shell structures revealed a strong correlation between the g...

2011
Joo Dong Kim Young Seok Han Dong Lak Choi

PURPOSE Groove pancreatitis is a rare specific form of chronic pancreatitis that extends into the anatomical area between the pancreatic head, the duodenum, and the common bile duct, which are referred to as the groove areas. We present the diagnostic modalities, pathological features and clinical outcomes of a series of symptomatic patients with groove pancreatitis who underwent pancreaticoduo...

2016
Andréa A. O. Cortines Luciane R. Costa

BACKGROUND There is a lack of evidence on the relationship between prematurity and palatal abnormalities. The aim of this study was to evaluate the incidence of palatal groove, the associated factors and the persistence time in preterm infants from birth to 24 months of age. METHODS The children's data, medical history and eating habits were collected using a questionnaire answered by the leg...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2000
M Bennett A Krah F Wien E Garman R McKenna M Sanderson S Neidle

The crystal structure of a B-type DNA hexanucleotide duplex complexed with the porphyrin molecule nickel-[tetra-N-methyl-pyridyl] porphyrin has been solved by multiwavelength anomalous diffraction phasing and refined to an R factor of 11.5% at a resolution of 0.9 A. The structure has been solved and refined as two crystallographically independent duplexes, stacked end to end. Contrary to expect...

Journal: :Journal of neurophysiology 2000
J R Pruett R J Sinclair H Burton

This experiment explored the effects of controlled manipulations of three parameters of tactile gratings, groove width (1.07-2.53 mm), contact force (30-90 g), and scanning speed (40-120 mm/s), on the responses of cells in second somatosensory cortex (SII) of awake monkeys that were performing a groove-width classification task with passively presented stimuli. A previous experiment involving a...

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