Articles with "calibration" as a keyword



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IUVS echelle-mode observations of interplanetary hydrogen: Standard for calibration and reference for cavity variations between Earth and Mars during MAVEN cruise

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Published in 2017 at "Journal of Geophysical Research"

DOI: 10.1002/2016ja023466

Abstract: The high-resolution echelle mode of the Imaging Ultraviolet Spectrograph (IUVS) instrument on the Mars Atmosphere and Volatile Evolution (MAVEN) mission has been designed to measure D and H Lyman-α emissions from the martian atmosphere to… read more here.

Keywords: instrument; calibration; echelle mode; interplanetary hydrogen ... See more keywords
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A methodology for reduced order modeling and calibration of the upper atmosphere

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Published in 2017 at "Social Work"

DOI: 10.1002/2017sw001642

Abstract: Atmospheric drag is the largest source of uncertainty in accurately predicting the orbit of satellites in low Earth orbit (LEO). Accurately predicting drag for objects that traverse LEO is critical to Space Situational Awareness. Atmospheric… read more here.

Keywords: reduced order; methodology; physics based; physics ... See more keywords
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Investigation of absolute dose calibration accuracy for TomoTherapy using real water

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Published in 2021 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.13311

Abstract: Abstract A systematic bias in TomoTherapy output calibration was reported by the Imaging and Radiation Oncology Core Houston (IROC‐H) after analyzing intensity‐modulated radiation therapy (IMRT) credentialing results from hundreds of TomoTherapy units. Multiple theories were… read more here.

Keywords: real water; water; cheese phantom; calibration ... See more keywords
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A method for time‐independent film dosimetry: Can we obtain accurate patient‐specific QA results at any time postirradiation?

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Published in 2022 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.13534

Abstract: Abstract Aim The aim of this work was twofold. (1) To investigate and present a comparison between EBT3 and EBT‐XD in terms of postirradiation color changes. (2) Create an automated workflow to allow radiochromic film… read more here.

Keywords: time; postirradiation; patient specific; calibration ... See more keywords
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Modified electron beam output calibration based on IAEA Technical Report Series 398

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Published in 2022 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.13573

Abstract: Abstract Purpose The recently worldwide standard measurement of electron beam reference dosimetry include the International Atomic Energy Agency (IAEA) Technical Report Series (TRS)‐398 and Association of Physicists in Medicine (AAPM) Task Group (TG)‐51 protocols. Muir… read more here.

Keywords: modified calibration; electron beam; calibration; trs 398 ... See more keywords
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Self‐Calibrated, Sensitive, and Flexible Temperature Sensor Based on 3D Chemically Modified Graphene Hydrogel

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Published in 2021 at "Advanced Electronic Materials"

DOI: 10.1002/aelm.202001084

Abstract: During the long‐term operation of temperature sensors, periodical calibration is required to achieve accurate readings, which usually requires bulky and costly heating facilities for calibration. Herein, a new kind of self‐calibrated thermistors using embedded microheaters… read more here.

Keywords: rgoh; calibration; temperature; self calibrated ... See more keywords
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Bioprocess in-line monitoring using Raman spectroscopy and Indirect Hard Modeling (IHM): A simple calibration yields a robust model.

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Published in 2023 at "Biotechnology and bioengineering"

DOI: 10.1002/bit.28424

Abstract: To increase the process productivity and product quality of bioprocesses, the in-line monitoring of critical process parameters is highly important. For monitoring substrate, metabolite, and product concentrations, Raman spectroscopy is a commonly used Process Analytical… read more here.

Keywords: line monitoring; spectroscopy; calibration; model ... See more keywords
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Proximal methods for calibration transfer

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Published in 2017 at "Journal of Chemometrics"

DOI: 10.1002/cem.2877

Abstract: Calibration transfer (CT) is the process of transferring a calibration curve from one instrument to another or from one set of conditions to another. Direct standardization (DS) of the spectra from a source to a… read more here.

Keywords: instrument; methods calibration; calibration transfer; proximal methods ... See more keywords
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Ensemble calibration for the spectral quantitative analysis of complex samples

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Published in 2018 at "Journal of Chemometrics"

DOI: 10.1002/cem.2940

Abstract: Ensemble strategies have gained increasing attention in multivariate calibration for quantitative analysis of complex samples. The aim of ensemble calibration is to obtain a more accurate, stable, and robust prediction by combining the predictions of… read more here.

Keywords: analysis complex; quantitative analysis; complex samples; calibration ... See more keywords
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A tribute to Professor Ronei J. Poppi, a pioneer of multivariate calibration in South America and a prolific mentor of chemometricians in Brazil

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Published in 2020 at "Journal of Chemometrics"

DOI: 10.1002/cem.3284

Abstract: It was with great regret that we received the incredibly sad news of the untimely death of Professor Ronei Jesus Poppi (Figure 1), on the last April 25 in the city of Campinas, S~ao Paulo… read more here.

Keywords: chemistry; ronei; calibration; multivariate calibration ... See more keywords
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Roadmap for outlier detection in univariate linear calibration in analytical chemistry: Tutorial review

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Published in 2022 at "Journal of Chemometrics"

DOI: 10.1002/cem.3460

Abstract: Assessment of the adequacy of a proposed linear calibration curve is necessarily subjective in chemical analysis. If the outlier points in calibration are not identified and discarded, the constructed model will not have much validity… read more here.

Keywords: roadmap outlier; detection univariate; chemistry; calibration ... See more keywords