نتایج جستجو برای: 1 residue sr
تعداد نتایج: 2805115 فیلتر نتایج به سال:
Previous studies have shown that the hemodynamic response of the primary somatosensory cortex (SI) to electrical median nerve stimulation doubles in strength when the stimulus rate (SR) increases from 1 to 5 Hz. Here we investigated whether such sensitivity to SR is homogenous within the functionally different subareas of the SI cortex, and whether SR sensitivity would help discern area 3b amon...
We present a detailed investigation of strontium magneto-optical trap (MOT) dynamics. Relevant physical quantities in the trap, such as temperature, atom number and density, and loss channels and lifetime, are explored with respect to various trap parameters. By studying the oscillatory response of a two-level 1 S 0 – 1 P 1 88 Sr MOT, we firmly establish the laser cooling dynamics predicted by ...
Previous ventricular myocyte studies indicated that ryanodine receptors (RyRs) are in the sarcoplasmic reticulum (SR) and are critical in excitation-contraction coupling, whereas the inositol trisphosphate (InsP(3)) receptors are separately localized on the nuclear envelope (NucEn) and involved in nuclear Ca(2+) signaling. Here, we find that both caffeine and InsP(3) receptor agonists deplete f...
In recent studies the Sr/Ca ratio of coccolithophore calcite was used as a proxy for past coccolithophore growth and calcification rates. Since Sr and Ca concentrations in seawater have not remained constant through time, interpretation of Sr/Ca data from the coccolith-dominated sedimentary record requires knowledge about the incorporation of seawater Sr into coccolith calcite during coccolitho...
BACKGROUND This study sought to evaluate the impact of atrial fibrillation (AF) on clinical outcomes in patients undergoing transcatheter aortic valve replacement. METHODS AND RESULTS Data were evaluated in 1879 patients with baseline and discharge ECGs who underwent transcatheter aortic valve replacement in the Placement of AoRTic TraNscathetER Valve (PARTNER) trial. A total of 1262 patients...
Nonparametric control chart based on rank is used for detecting changes in median(mean). In this article ,Signed-rank control chart is considered with variable sampling interval. We compared the performance of Signed-rank with variable sampling interval (VSI-SR) to Signed-rank with Fixed Sampling interval (FSI-SR),the numerical results demonstrated the VSI feature is so useful. Bakir[1] showed ...
استفاده از لیگاندهای حلقوی یکی از روشهای نسبتاً جدید جداسازی ایزوتوپی میباشد. اترهای تاجی و کریپتاندها، بیشترین کاربرد را در این گونه جداسازیها داشتهاند. کریپتاند [2.2.2] یکی از ترکیبات خانواده کریپتاندها میباشد که برای تشکیل کمپلکس انتخابی با برخی کاتیونها به کار رفته است. یکی از قابلیتهای کریپتاندها تفاوت سرعت و پایداری پیوند آنها با ایزوتوپهای مختلف یک عنصر میباشد. این پدی...
The toric residue is a map depending on n + 1 divisors on a complete toric variety of dimension n . It appears in a variety of contexts such as sparse polynomial systems, mirror symmetry, and GKZ hypergeometric functions. In this paper we investigate the problem of finding an explicit element whose toric residue is equal to one. Such an element is shown to exist if and only if the associated po...
OBJECTIVE SR-PSOX/CXCL16 is a transmembrane chemokine and is implicated in activated CD8+ T cell trafficking. In the present study, we examined the expression pattern of SR-PSOX/CXCL16 in the heart and investigated a potential role of SR-PSOX/CXCL16 in inflammatory valvular heart disease. METHODS AND RESULTS Initial expression of SR-PSOX/CXCL16 in murine embryos was detected in endothelial ce...
We comprehensively evaluated particle lidar ratios (i.e., particle extinction to backscatter ratio) at 532 nm over Wuhan in Central China by using a Raman lidar from July 2013 to May 2015. We utilized the Raman lidar data to obtain homogeneous aerosol lidar ratios near the surface through the Raman method during no-rain nights. The lidar ratios were approximately 57 ± 7 sr, 50 ± 5 sr, and 22 ± ...
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