نتایج جستجو برای: 969

تعداد نتایج: 996  

Journal: :Clínica y Salud 2023

Background: Technology anxiety is more prevalent in older people and can compromise their functionality an increasingly techno-dependent world. There are no validated instruments to assess it Spanish people. Method: A technology scale was cross-culturally adapted applied 355 Spaniards (66% women, M = 78.63, SD 6.77). Two models were tested by confirmatory factor analysis: a one-dimension...

Journal: :International Journal of Emerging Technologies in Learning (ijet) 2022

Although several studies have evaluated online learning tools and resources, few investigated how useful they are to students. This topic became even more relevant with “emergency remote learning” due coronavirus disease 2019 (COVID-19). The present study was conducted at a state educational institution in Mexico that offers five university degrees. objective differentiate the importance of res...

Journal: :European Heart Journal Supplements 2022

Abstract Background Clinical manifestations of children's coronavirus disease-2019 (COVID-19) were initially considered less severe compared with adult patients. However, there is now increasing evidence a “long-tail” COVID-19 related symptoms lasting for several months after recovery from the acute infection. Long COVID-19-related and mechanisms are poorly characterized understood, phenotypes ...

2012
Hee Man Kim

CC This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons. org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. *Correspondence: Hee Man Kim, MD Department of Internal Medicine, Myongji Hospital, Kwan...

Journal: :British medical journal 1976
M S Christian

The injuries sustained by 969 drivers and front-seat passengers in road-traffic accidents were studied. Altogether 196 (20-2%) of the drivers and passengers were wearing seat belts and 773 (79-8%) were not. The injuries among the two groups differed greatly in both severity and distribution. A total of 54 (27-6%) of the seatbelt wearers sustained one or more fractures compared with 300 (38-8%) ...

2007
C. G. Giménez

Aims. To determine the solar transition region and coronal radius at EUV wavelengths and its time evolution during Solar Cycle XXIII. Methods. We use daily 30.4 and 17.1 nm images obtained by the Extreme Ultraviolet Imager (EIT) aboard the SoHO satellite and derive the solar radius by fitting a circle to the limb brightness ring. Results. The weighted mean of the temporal series gives (967′′.56...

2013
SHIVENDRA PRATAP ALI IMAM

This study examined the effects of gender; time spent on internet browsing, participation in sports activities and medium of instructions on mathematics achievement of class IX students of South-East Bihar. The study consists of 975 male and 969 female students of thirty-six schools of South-East Bihar. The mathematics achievement test and personal background assessment questionnaire were used ...

Journal: :European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery 2006
Tim Attmann Ulrich Steinseifer Jochen Cremer Georg Lutter

Fig. 1. (a) Oblique view from top of a self-expanding nitinol stent (length 28 mm, diameter 24 mm, Nitinol Devices & Components Inc., Fremont, CA, USA) containing a three leaflet polyurethane valve. Leaflets have a thickness of approximately 100—150 mm. The stent valves are produced in a dip coating technique (by Mecora GmbH, Aachen, Germany). (b) Low-profile polyurethane valved stent was folde...

Journal: :Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association 1983
J B Morrison S S Hecht J A Wenninger

Fifty-three cosmetic products containing one or more of the ingredients N,N-dimethyloctadecylamine oxide, N,N-dimethyloctadecylamine and N-benzyl-N,N-dimethyloctadecylammonium chloride were analysed for N-nitroso-N-methyloctadecylamine by gas chromatography with detection by a Thermal Energy Analyzer. [1-14C]N-Nitroso-N-methyloctadecylamine was used as an internal standard. Eight of 11 products...

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