نتایج جستجو برای: نرمافزار sas
تعداد نتایج: 10017 فیلتر نتایج به سال:
Sialic acids (SAs) are widely expressed on immune cells and their levels and linkages named as sialylation status vary upon cellular environment changes related to both physiological and pathological processes. In this study, we performed a global profiling of the sialylation status of macrophages and their release of SAs in the cell culture medium by using flow cytometry, confocal microscopy a...
A startling auditory stimulus (SAS) causes a faster execution of voluntary actions when applied together with the imperative signal in reaction time tasks (the StartReact effect). However, speeding up reaction time may not be the best strategy in all tasks. After a self-initiated fall, the program for landing has to be time-locked to foot contact to avoid damage, and therefore advanced executio...
Aims. High prevalence of sleep apnea syndrome (SAS) has been reported in patients with diabetes. However, whether diabetic neuropathy (DN) contributes to this high prevalence is controversial. Our aim of this study is to compare the prevalence of SAS between patients with and without DN. Methods. Systematic literature searches were conducted for cross-sectional studies that reported the number ...
Small Angle Scattering (SAS) of X-rays or neutrons is an experimental technique that provides valuable structural information for biological macromolecules under physiological conditions and with no limitation on the molecular size. In order to refine molecular structure against experimental SAS data, ab initio prediction of the scattering profile must be recomputed hundreds of thousands of tim...
Extensive use of standard SAS® Data Integration Studio Transformations is often made when designing data warehouses, thereby reducing maintenance requirements and the need for user defined code. This paper instead advocates using the SAS Data Integration Studio API against user defined code. Thus using the full power of SAS to build and maintain warehouse processes may yield several advantages,...
The field of statistical genetics has developed considerably over the past five years due to the substantial advances in genomic technology. The volume and the nature of these data create a need for reliable computer software to perform statistical analyses. SAS/GENETICS offers a collection of procedures specifically tailored for genetic data such as ALLELE, HAPLOTYPE, CASECONTROL and FAMILY pr...
BACKGROUND AND PURPOSE Surface anatomy scanning (SAS) is an established technique for demonstrating the brain's surface. We describe our experience in applying SAS with superposition of MR venograms to preoperative scalp incision planning. METHODS In 16 patients, scalp incision planning was done by placing a water-filled plastic tube at the intended incision site when we performed SAS using h...
We have demonstrated lithography-free, simple, and large area fabrication method for subwavelength antireflection structures (SAS) to achieve low reflectance of silicon (Si) surface. Thin film of Pt/Pd alloy on a Si substrate is melted and agglomerated into hemispheric nanodots by thermal dewetting process, and the array of the nanodots is used as etch mask for reactive ion etching (RIE) to for...
Today’s Substation Automation Systems (SAS) are formed by diverse microprocessor-based devices that carry out several operations such as metering, monitoring, protection and actuation. Standards, such as IEC61850, aim at providing abstract component-based solutions that improve scalability and ease the replacement of the devices. This paper discusses the different types of communication traffic...
در این پایان نامه هدف ساخت یک کنترلر برای کنترل عرضی یک هواپیمای مدل است. از ضرایب و مشتقات آیرودینامیکی این هواپیما که به صورت دستی محاسبه شده اند، استفاده شده تا معادلات حرکت عرضی هواپیما بدست آید، سپس تابع تبدیل عرضی هواپیما از این معادلات استخراج شده است. ریشه های این تابع تبدیل مرتبه پنج، مودهای حرکت عرضی هواپیما هستند. دو ریشه مختلط این معادله همان مود داچ-رول هواپیما است. یک بار تابع تبد...
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