نتایج جستجو برای: sv wave
تعداد نتایج: 224028 فیلتر نتایج به سال:
OBJECTIVE Obesity in adolescence is associated with increased cardiovascular risk. The patterns of obesity and body composition differ between boys and girls. It is uncertain how body composition correlates with the cardiovascular system and whether such correlations differ by sex in adolescents. METHODS Body composition (fat-free mass (FFM), adipose mass, waist circumference (WC)) and cardio...
Synthetic Vision (SV) and Enhanced Flight Vision Systems (EFVS) may serve as game-changing technologies to meet the challenges of the Next Generation Air Transportation System and the envisioned Equivalent Visual Operations (EVO) concept – that is, the ability to achieve the safety and operational tempos of current-day Visual Flight Rules operations irrespective of the weather and visibility co...
اطلاعات امواج برشی در تفسیر لرزهای، نقش ارزشمندی را ایفا میکنند. به دلیل هزینه بالا و سختی عملیات ثبت دادههای S-S از طریق برداشت لرزهای 9- مؤلفهای (3D-9C)، از اطلاعات امواج برشی نهفته در امواج تبدیلیافته استفاده شد. در راستای شناسایی هرچه بهتر بازتابهای ناشی از امواج تبدیلیافته میبایست خصوصیات آنها از لحاظ تغییرات دامنه و تغییرات فاز نسبت به دورافت بررسی شود. در این راستا، با استفاده ا...
Objectives: To examine the predictive effect of preoperative measurements stone volume (SV) against area (SA) on stone-free status (SF) following retrograde intrarenal surgery (RIRS). 
 Methods: We retrospectively examined medical records 68 RIRS patients with renal calculi who were eligible. Patients having non-contrast computed tomography ( NCCT ) before and subsequent to included, howev...
This paper describes new procedures for processing data acquired with 4C seismic sensors distributed as horizontal arrays on the seafloor and seismic sources positioned either at the sea surface or on the seafloor. Two types of images can be produced from 4C seismic data: a P-P image and a P-SV (converted-shear) image. For P-P imaging, the large elevation difference between deep-water seafloor ...
OBJECTIVE This study aimed to investigate total and device-specific screen viewing (SV) and its determinants in children aged 2 years and below. DESIGN Cross-sectional study conducted in February 2014. SETTING Well-child clinics in Singapore national polyclinics. PARTICIPANTS Parents of children (Singapore citizens or permanent residents) aged 2 years and below were enrolled during routin...
A review is made of constraints on the nuclear symmetry energy parameters arising from binding measurements, theoretical chiral effective field predictions neutron matter properties, unitary gas conjecture, and measurements skin thicknesses dipole polarizabilities. While most studies have been confined to SV L, important roles played by, Ksym, or, equivalently, incompressibility KN, are discuss...
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