Results 21 to 30 of about 14,777,258 (301)

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

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

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

Structural, Mechanical, and Dielectric Properties of Polydimethylsiloxane and Silicone Elastomer for the Fabrication of Clinical-Grade Kidney Phantom

Applied Sciences, 2021
This study aimed to introduce an alternative, inexpensive, and straightforward polymer with specific mechanical and dielectric properties suitable for the fabrication of a clinical-grade kidney phantom.
Kamal Izdihar, Hairil Rashmizal Abdul Razak, Nurzulaikha Supion, Muhammad Khalis Abdul Karim, Nurul Huda Osman, Mazlan Norkhairunnisa   +5 more
doaj   +1 more source

Determining the mass attenuation coefficient, effective atomic number, and electron density of raw wood and binderless particleboards of Rhizophora spp. by using Monte Carlo simulation

Results in Physics, 2015
Rhizophora spp. wood has the potential to serve as a solid water or tissue equivalent phantom for photon and electron beam dosimetry. In this study, the effective atomic number (Zeff) and effective electron density (Neff) of raw wood and binderless ...
Mohammad W. Marashdeh, Ibrahim F. Al-Hamarneh, Eid M. Abdel Munem, A.A. Tajuddin, Alawiah Ariffin, Saleh Al-Omari   +5 more
doaj   +1 more source

Electron interaction with gel dosimeters : effective atomic numbers for collisional, radiative and total interaction processes [PDF]

, 2009
The effective atomic number is widely employed in radiation studies, particularly for the characterisation of interaction processes in dosimeters, biological tissues and substitute materials.
Johnston, Peter, Franich, Rick, Trapp, Jamie, Taylor, Michael   +3 more
core   +1 more source

Dopant Concentration and Effective Atomic Number of Copper-Doped Potassium Borate Glasses

Advances in Materials Science and Engineering, 2013
Copper-doped (0.5 mol%) and undoped potassium borate glasses have been prepared by the composition of (100-x)H3BO3 + xK2CO3, where 10 ≤ x ≤ 30 mol % by the traditional melting quenching method. The structural pattern of glasses with different composition
I. Hossain, N. K. Shekaili, H. Wagiran
doaj   +1 more source

External Bremsstrahlung Studies on Films of Lead Monoxide Filled Polycarbonate Composite

Atom Indonesia, 2023
The development of high-Z (high atomic number) radiation shielding materials is vital in order to protect personnel who work with harmful gamma radiation sources. At the same time, the emission of external bremsstrahlung (EB) radiation in those shielding
V. A. Kandagal, B. Lobo
doaj   +1 more source

Dual-Energy Computed Tomography For Differentiation Between Osteoblastic Metastases and Bone Islands

Frontiers in Oncology, 2022
ObjectiveThe objective of our study was to evaluate the utility of Rho/Z on dual-energy computed tomography (DECT) for the differentiation of osteoblastic metastases (OBMs) from bone islands (BIs).MethodsDECT images of 110 patients with malignancies were
Chijie Xu, Lingling Kong, Xiaoyi Deng
doaj   +1 more source