Results 61 to 70 of about 739,620 (266)

Interlaboratory Comparison of Thermal AC Voltage Standards

open access: yesMeasurement Science Review, 2019
The article presents results of comparison of the thermal converter of nominal input voltages equal to 10 V from the set of Polish National AC voltage standards, maintained at the Central Office of Measures in Warsaw, with the primary AC voltage 5 V ...
Kampik Marian   +6 more
doaj   +1 more source

The “PTB Ex Proficiency Testing Scheme” - Interlaboratory Comparisons in the Field of Explosion Protection

open access: yesChemical Engineering Transactions, 2016
The requirement of participation in interlaboratory comparisons was not sufficiently fulfilled by laboratories in the field of explosion protection (Ex-testing laboratories) due to a lack of proficiency testing programs.
Tim Krause   +4 more
doaj   +1 more source

Long‐Term Performance and Bulk‐Isotope Effects in Methane Clumped‐Isotope Measurements Using a 253 Ultra HR‐IRMS [PDF]

open access: yesRapid Commun Mass Spectrom
ABSTRACT Rationale Changes in instrument condition over time may affect methane clumped‐isotope measurements, requiring long‐term monitoring of calibration performance. Whether the 253 Ultra calibration framework remains valid over multiyear operation and applicable across natural bulk‐isotope compositions, particularly to low‐δD methane with weak ...
Zhang N   +8 more
europepmc   +2 more sources

Multicenter Interlaboratory Study of Thrombin Generation Assay in Healthy Adults Using the ST Genesia Analyzer With the STG-ThromboScreen Reagent (With and Without Thrombomodulin). [PDF]

open access: yesInt J Lab Hematol
ABSTRACT Introduction Fully automated thrombin generation (TG) assays facilitate the transition from research to clinical application. We conducted a multicenter inter‐laboratory study using the ST Genesia analyzer to evaluate assay performance and establish reference intervals in healthy adults from Spain and Portugal.
Velasco-Rodríguez D   +21 more
europepmc   +2 more sources

Interlaboratory comparison tests in mineralogical works

open access: yesReference materials, 2017
Introduction. Activities of FSBI “VIMS” are aimed at ensuring accuracy and comparability of the results of mineralogical analyses accompanying exploration and technological work. Evaluation of the research result quality is carried out with the help of various metrological instruments, one of which is an interlaboratory comparison test.Purpose.
Elena G. Ozhogina   +2 more
openaire   +3 more sources

Monitoring laboratory performance over time from proficiency testing by interlaboratory comparisons [PDF]

open access: yes, 2014
Proficiency testing by interlaboratory comparisons is used to determine the individual performance of a laboratory for a specific test or measurement and to monitor the continuing performance of laboratories.
Trancoso, Maria Ascensão   +2 more
core  

PROLAB SOFTWARE FOR DATA EVALUATION OF INTERLABORATORY STUDIES

open access: yes, 2017
Interlaboratory studies represent a form of external quality control for laboratories. International standards that are used for interlaboratory comparisons, ISO 17043, ISO 13528, ISO 5725, define ways of organisation of comparisons and data treatment of
Christian Bläul   +2 more
core   +1 more source

Perspectives of High‐Resolution Mass Spectrometry in Soil Science

open access: yesJournal of Plant Nutrition and Soil Science, EarlyView.
ABSTRACT Soil biogeochemical research requires specific, sensitive, and accurate methods to identify and quantify organic molecules in order to trace biochemical processes and assess element cycling in complex, heterogenous systems. High‐resolution mass spectrometry (HRMS) has evolved into a transformative tool for unraveling the complex chemical ...
Bruno Glaser   +11 more
wiley   +1 more source

Review of results of interlaboratory comparisons of national accredited laboratorys in the free field noise level measurements

open access: yes, 2015
Interlaboratory comparisons in the field of enviromental noise level measurements were organized by IMS Institute in Belgrade in August this year as a part of the standard noise monitoring according to of the method given in the standard (SRPS) ISO 1996 ...
Milenković, Aleksandar   +2 more
core   +1 more source

EQRAIN U and EQRAIN Pu interlaboratory comparisons from 1997 to 2016 Comparison to ITVs-2010

open access: yes, 2019
Correction to: Journal of Radioanalytical and Nuclear Chemistry (2019) 319:1013–1021 https://doi.org/10.1007/s10967-018-6399-7International audienceSince 1987, the CEA's Committee for the Establishment of Analysis Methods (CETAMA) has regularly ...
Rigaux, C.   +5 more
core   +1 more source

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