Results 11 to 20 of about 1,135,363 (163)

Variation in Proficiency Testing Performance by Testing Site [PDF]

open access: yesJAMA, 1998
Congress enacted the Clinical Laboratory Improvement Amendments of 1988 (CLIA) to promote uniform quality and standards among all testing sites in the United States. The performance indicators specified in the legislation are proficiency testing (PT) performance and periodic inspections.To evaluate variation in PT performance by type of testing ...
T M, Stull   +4 more
openaire   +2 more sources

NIGHT SKY BRIGHTNESS ABOVE ZAGREB 2012.-2017.

open access: yesRudarsko-geološko-naftni Zbornik, 2018
The night sky brightness at the RGN site (near the centre of Zagreb, Croatia) was monitored form January 2012. to December 2017. The gathered data show that the average night sky brightness in this period did not change significantly, apart from ...
Željko Andreić
doaj   +1 more source

Testing three seismic hazard models for Italy via multi-site observations

open access: yesPLoS ONE, 2023
Probabilistic seismic hazard analysis (PSHA) is widely employed worldwide as the rational way to quantify the uncertainty associated to earthquake occurrence and effects.
Iunio Iervolino   +2 more
doaj   +2 more sources

A study protocol for Project I-Test: a cluster randomized controlled trial of a practice coaching intervention to increase HIV testing in substance use treatment programs

open access: yesTrials, 2023
Background People with substance use disorders are vulnerable to acquiring HIV. Testing is fundamental to diagnosis, treatment, and prevention; however, in the past decade, there has been a decline in the number of substance use disorder (SUD) treatment ...
Jemima A. Frimpong   +15 more
doaj   +1 more source

Mt. Dushak-Erekdag Observatory: A Chance to Close the Asian Gaps in WET Coverage

open access: yesOpen Astronomy, 2003
The Mt. Dushak-Erekdag Observatory (Central Asia, Turkmenistan, 58° E longitude) is located just in the longitudes gap of asteroseismological networks. It is the southernmost observatory of the former Soviet Union, its latitude is +38°. The sky seeing at
Dorokhova T. N., Dorokhov N. I.
doaj   +1 more source

Case study of a driven pile foundation in diatomaceous soil. II: Pile installation, dynamic analysis, and pore pressure generation

open access: yesJournal of Rock Mechanics and Geotechnical Engineering, 2021
This paper presents the results from a case study highlighting the difficulties of pile driving in diatomaceous soils. In the companion (first) paper to this article, results of an extensive laboratory and in situ testing program were presented while the
Ehsan Yazdani   +2 more
doaj   +1 more source

Correlation of glucose level among venous, gingival and finger-prick blood samples in diabetic patients

open access: yesJournal of Indian Society of Periodontology, 2011
It is essential for a dental surgeon or a periodontist to detect blood glucose level for patients whose signs and symptoms are suggestive of diabetes. Seventy patients in the age group of 40 to 80 years of either sex were selected for the study.
Priyanka Chopra, T. S. S. Kumar
doaj   +1 more source

Case study of a driven pile foundation in diatomaceous soil. I: Site characterization and engineering properties

open access: yesJournal of Rock Mechanics and Geotechnical Engineering, 2021
Diatomaceous soils are comprised of the silica frustules of diatom microalgae that are present in marine and lacustrine environments throughout the world.
Jiayao Wang   +2 more
doaj   +1 more source

Multi-map holography for large crossed-Dragone telescopes

open access: yesAstronomy & Astrophysics
We present a novel microwave holography technique for large crossed-Dragone telescopes, which feature two similarly sized off-axis reflectors whose surface deformations must be measured and corrected independently.
Ren X.   +8 more
doaj   +1 more source

Site selection for scaled open water testing of a wave energy converter

open access: yesInternational Marine Energy Journal, 2020
Many wave energy converter developers opt to carry out scaled prototype open water testing of their device as part of their technology development. Developers who have done this recently include Sea Power (1/5 scale, Galway Bay, 2017), CorPower (1/4 ...
Niall D. McLean   +3 more
doaj   +1 more source

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