نتایج جستجو برای: dome
تعداد نتایج: 5075 فیلتر نتایج به سال:
The purpose of this research is to demonstrate the influence that a water dome has on a person. The following approach was used for this study: ( I ) A water display was used as a projection screen; ( 2 ) The illusion of being under water was created; and (3) Experiments with water domes of various sizes were carried out. Water display is a head mounted type water membrane. When the display is ...
The follicle-associated epithelium (FAE) secretes chemokines important in the recruitment of various cell types including CCL20 (MIP-3alpha). CCL20 is chemotactic to the CD11b(+) dendritic cells (DCs) distributed in the subepithelial dome regions of the Peyer's patches, and mice deficient in the receptor for CCL20, CCR6, have been reported to be devoid of the CD11b(+) DCs in the dome regions. H...
BACKGROUND Many clinical studies have been published involving the use of a high hip center (HHC), achieved good follow-up. However, there is a little anatomic guidance in the literature regarding the amount of bone stock available for initial implant coverage in this area of the ilium. The purpose of this study was to evaluate the thickness and width of the human ilium and related acetabular c...
RATIONALE Dome-and-dart T waves (or bifid T waves) are a rare phenomenon in the surface electrocardiogram. These wave forms are mainly observed in patients with congenital heart disease such as atrial septal defect and ventricular septal defect. And hyperthyroidism who presented with an electrocardiogram that had dome-and-dart T waves in a precordial lead is never been reported. PATIENT CONCE...
Raw images from telescopes, where the dome moves with the aperture, have been observed to be much less resolved than telescopes without a dome. This degradation is much larger than can be explained by diffraction related to aperture size. One likely cause is the higher vibration environment associated with dome motion. Dome seeing is another possible cause. Assuming the vibration environment is...
Cell confluence induces the activation of signal transducer and activator of transcription-3 (Stat3) in various cancer and epithelial cells, yet the biological implications and the associated regulatory mechanisms remain unclear. Because confluent polarized epithelia demonstrate dome formation and sodium influx that mimic the onset of differentiation, we sought to elucidate the role of Stat3 in...
BACKGROUND A frontoparietal dome of a large pachycephalosaurid collected from the Upper Cretaceous Hell Creek Formation in 2001 is identified as Pachycephalosaurus wyomingensis. The specimen features two large oval depressions on the dorsal surface, accompanied by numerous circular pits on the margin and inner surface of the larger depressions. METHODOLOGY/PRINCIPAL FINDINGS In order to ident...
The effect of exogenous gangliosides on the occurrence of domes in MDCK cell cultures was investigated in view of the involvement of both dome formation and gangliosides in cell growth, differentiation and transepithelial transport. Dome formation was increased by gangliosides in medium free of fetal calf serum. Among the gangliosides tested, GM3 and GD3 isolated from porcine kidney were most a...
Ultrafast high energy electron diffraction in reflection geometry is employed to study the structural dynamics of self-organized Germanium hut-, dome-, and relaxed clusters on Si(001) upon femtosecond laser excitation. Utilizing the difference in size and strain state the response of hut- and dome clusters can be distinguished by a transient spot profile analysis. Surface diffraction from {105}...
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