Results 1 to 10 of about 4,314,685 (205)

Design, manufacture, and quality control of a calibration standard source of gamma-ray spectrometry system with filter matrix [PDF]

open access: yesمجله علوم و فنون هسته‌ای, 2021
Identifying and measuring the radioactivity of airborne particles are a necessary and very important to recognize and estimate the effect of radioactive contamination on human health and the environment.
H. Ranjbar, A. Yousefi
doaj   +1 more source

Study on point source efficiency function of LaBr3(Ce) detector

open access: yesHe jishu, 2022
BackgroundWhen the relative position of the point source and the detector changes, the detection efficiency will also change. Determining the functional relationship of the detection efficiency with the alteration of the detection distance and angle is ...
YE Erlei   +4 more
doaj   +1 more source

Study on efficiency calibrating method of well-type γ ray spectrometer for soil samples

open access: yesHe jishu, 2021
BackgroundPutting samples into the well-type γ ray spectrometer can greatly improve the activity measurement efficiency, therefore it can reduce the measurement time and the mass of samples.PurposeThis study aims to accurately obtain detection ...
LAI Yongfang   +4 more
doaj   +1 more source

Efficiency calibration of a well-type HPGe detector using experimental and Monte Carlo simulation techniques [PDF]

open access: yesNuclear Technology and Radiation Protection, 2020
Well-type high-purity germanium detectors are well suited for the analysis of small samples, as they combine high detection efficiency with low background radiation. The well geometry however makes efficiency calibration more difficult than that
Dalaka Ekaterini   +3 more
doaj   +1 more source

Efficiency calibration of lanthanum bromide scintillation detector and analysis of influencing factors of the detection efficiency

open access: yesHe jishu, 2021
BackgroundActive efficiency calibration of radiation detector requires the multiple standard radioactive sources with different energies, and the measurement condition of the standard sources need to be consistent with sample sources.
YANG Tibo   +5 more
doaj   +1 more source

Experimental technique for efficiency transfer along different geometries and volumes

open access: yesNuclear Engineering and Technology, 2021
Efficiency calibration is a fundamental procedure in gamma spectrometric measurement. Experimental technique for efficiency calibration transfer in gamma spectrometer along different geometries and volumes has been developed and validated in this work ...
Kh Haddad, A. AL-Homyed
doaj   +1 more source

An Investigation on a Plane-Based Dynamic Calibration Method for the Handheld LiDAR Scanner

open access: yesSensors, 2022
A plane-based dynamic calibration method had been proposed by the previous study for the GeoSLAM ZEB Horizon handheld LiDAR scanner. Only one preliminary test was presented. Therefore, three datasets in a calibration field were collected in this study on
Shih-Hong Chio
doaj   +1 more source

Study on silicon drift detector efficiency using Monte–Carlo simulation and experimental methods

open access: yesThe Journal of Engineering, 2019
The energy calibration and efficiency calibration of one silicon drift detector (SDD) are introduced here. The energy calibration is achieved using four radioactive sources, and the linear correlation coefficient is close to one.
Siming Guo   +7 more
doaj   +1 more source

Efficiency calibration of solar X-ray detector onboard MSS-1B satellite

open access: yesHe jishu, 2023
BackgroundThe solar X-ray detector (SXD) is the main scientific instrument onboard the Macau Science Satellite-1B (MSS-1B). It consists of two parts—a soft X-ray detection unit and a hard X-ray detection unit—with a dual-channel design comprising a ...
FAN Lipeng   +11 more
doaj   +1 more source

Implications of a Priori Parameters on Calibration in Conditions of Varying Terrain Characteristics: Case Study of the SAC-SMA Model in Eastern United States

open access: yesHydrology, 2021
This study seeks to advance the knowledge about the effect of a priori parameters on calibration using the Sacramento Soil Moisture accounting Model (SAC-SMA).
Wafa Chouaib   +2 more
doaj   +1 more source

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