Results 11 to 20 of about 793,673 (203)

Synthesized effective atomic numbers for commercially available dual-energy CT [PDF]

Reports of Practical Oncology & Radiotherapy, 2020
The objective of this study was to assess synthesized effective atomic number (Zeff) values with a new developed tissue characteristic phantom and contrast material of varying iodine concentrations using single-source fast kilovoltage switching dual-energy CT (DECT) scanner.A newly developed multi energy tissue characterisation CT phantom and an ...
Kawahara, Daisuke, Ozawa, Shuichi, Yokomachi, Kazushi, Fujioka, Chikako, Kimura, Tomoki, Awai, Kazuo, Nagata, Yasushi   +6 more
openaire   +4 more sources

Interaction studies and gamma-ray properties of some low-Z materials [PDF]

Nuclear Technology and Radiation Protection, 2016
In present work we use NaI(Tl) detector in narrow-beam good geometry set-up for the gamma ray attenuation studies of some low-Z materials. The parameters such as mass attenuation coefficients, effective atomic numbers and effective electron ...
Bhosale Rameshwar R., Gaikwad Dhammajyot K., Pawar Pravina P., Rode Madhav N.   +3 more
doaj   +1 more source

Investigation of gamma-ray shielding parameters of bismuth phospho-tellurite glasses doped with varying Sm2O3

Heliyon, 2022
The gamma ray shielding parameters such as mass attenuation coefficient, effective atomic number, equivalent atomic number, exposure buildup factor, and energy absorption buildup factor were determined for the 47.5P2O5+45ZnO+(5-x) Bi2O3+2.5TeO2 +xSm2O3 ...
S.B. Kolavekar, G.B. Hiremath, Prashant N. Patil, N.M. Badiger, N.H. Ayachit   +4 more
doaj   +1 more source

Study of effective atomic numbers and electron densities, kerma of alcohols, phantom and human organs, and tissues substitutes [PDF]

Nuclear Technology and Radiation Protection, 2013
Effective atomic numbers (ZPIeff) and electron densities of eighteen alcohols such as wood alcohol, CH3OH; grain alcohol, C2H5OH; rubbing alcohol, C3H7OH; butanol, C4H9OH; amyl alcohol, C5H11OH; cetyl alcohol, C16H33OH; ethylene glycol, C2H4(OH)2 ...
Singh Vishwanath P., Badiger Nagappa M.
doaj   +1 more source

Investigation on Photon Interaction Properties of Some Polymers Used in Production of Hydrogels

Süleyman Demirel Üniversitesi Fen-Edebiyat Fakültesi Fen Dergisi, 2018
Due to their excellent features and applications, hydrogels become so popular and are used for fabricating contact lenses, cancer treatment, hygiene products, tissue engineering, drug and delivery systems.
ESRA KAVAZ
doaj   +1 more source

Reversal Trend of Hounsfield Unit Values of Substances with High and Low Effective Atomic Numbers [PDF]

Iranian Journal of Medical Physics, 2020
Introduction: In dual-energy computed tomography (DECT), the Hounsfield values of a substance measured at two different energies are the basic data for finding the chemical properties of a substance.
Fariba Zarei, Sabysachi chatterjee, Vani Vardhan Chatterjee, Rezvan Ravanfar Haghighi   +3 more
doaj   +1 more source

Mass attenuation coefficient and its photon interaction derivables of some skeletal muscle relaxants

Journal of Radiation and Cancer Research, 2016
Context: The study of photon interactions with biological materials is essential in radiation medicine and biology, nuclear technology and space research, since radioactive sources are used.
H C Manjunatha
doaj   +1 more source

An investigation of the nuclear shielding effectiveness of some transparent glasses manufactured from natural quartz doped lead cations

Nuclear Engineering and Technology, 2021
The influence of lead cations on natural quartz (QZ) from Egypt as a glass shielding material for the composition with nominal formula (10Na2O - (90 - x) QZ – xPbO (where x = 30, 35, 40, 45 and 50 mol %)) was examined. The studied samples are synthesized
Said M. Kassem, G.S.M. Ahmed, A.M. Rashad, S.M. Salem, S. Ebraheem, A.G. Mostafa   +5 more
doaj   +1 more source

A novel approach based on X-ray fluorescence and photon attenuation to the analysis of soils for forensic investigation

Revista Brasileira de Ciência do Solo, 2022
Use of soil in forensic science is related to its several chemical, physical, and biological properties associated with its capacity to adhere to different materials and surfaces.
Luiz Fernando Pires, Luis Valério Prandel, Sérgio da Costa Saab, André Maurício Brinatti   +3 more
doaj   +1 more source

Calculation of effective atomic numbers and electron densities of different types of material for total photon interaction in the continuous energy region via different methods

Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2017
Effective atomic number (Zeff) and electron density (Neff) are convenient parameters used to characterise the radiation response of a multi-element material in the technical and industrial applications, radiation shielding design, absorbed dose and ...
Mehmet Büyükyıldız
doaj   +1 more source