Results 21 to 30 of about 317,605 (301)

Study the Effect of adding Carboxy Methyl Cellulose Powder to Low Density Polyethylene on Shielding Radiation for the X-ray

Journal of Kufa-Physics, 2018
The attenuation measurements of  x-ray of  voltage range (21kv) for hosted polymer material were done using  x-ray unit, in order to extract the effect of adding carboxy methyl cellulose material (CMC) to low density polyethylene on x-ray radiation ...
Raed M.Shaban, Shaymaa H. J, Wisam A. Radhi, Ziyad T.Almalki, Muzahim M. A   +4 more
doaj   +1 more source

Measurement of the Attenuation Coefficient in Fresh Water Using the Adjacent Frame Difference Method

Photonics, 2022
The attenuation coefficient of a water body is one of the important factors for describing its features. However, its remote measurement in real time is still a challenge.
Gang Yang, Zhaoshuo Tian, Zongjie Bi, Zihao Cui, Fenghao Sun, Qingcao Liu   +5 more
doaj   +1 more source

Sound modes in hot nuclear matter [PDF]

, 2001
The propagation of the isoscalar and isovector sound modes in a hot nuclear matter is considered. The approach is based on the collisional kinetic theory and takes into account the temperature and memory effects.
A. A. Abrikosov, A. Bohr, A. G. Magner, B. Morgenstern, C. J. Pethick, C. J. Pethick, D. Kiderlen, D. Vautherin, E. M. Lifshits, G. A. Brooker, G. F. Bertsch, G. F. Bertsch, G. Holzwarth, G. Q. Li, G. Q. Li, H. A. Kramers, H. Jaqamann, H. Müller, I. Ya. Pomeranchuk, J. R. Nix, K. Niita, L. D. Landau, M. Colonna, M. Colonna, M. Di Toro, S. Ayik, S. Ayik, S. Ayik, S. Ayik, S. Ayik, S. Shlomo, V. Baran, V. M. Kolomietz, V. M. Kolomietz, V. M. Kolomietz, V. M. Kolomietz, V. M. Kolomietz, V. M. Kolomietz, V. M. Kolomietz, V. M. Kolomietz, V. M. Kolomietz, W. Nörenberg   +41 more
core   +3 more sources

Remote estimation of the diffuse attenuation coefficient in a moderately turbid estuary [PDF]

, 1991
Solutions of the radiative transfer equation are used to derive relationships of water reflectance to the diffuse attenuation coefficient (K) in moderately turbid water (K \u3e 0.5 m−1).
Pennock, Jonathan, Stumpf, Richard P.
core   +3 more sources

An Optimized Attenuation Compensation and Contrast Enhancement Algorithm Without Pseudocharacteristics in Intravascular OCT Imaging

IEEE Photonics Journal, 2016
We present an optimized attenuation compensation and contrast enhancement algorithm to improve the quality of the intravascular optical coherence tomography (IVOCT) images and overcome the drawbacks of the previous algorithms, including ...
Yonghan Zhou, Tiegen Liu, Zhenyang Ding, Kuiyuan Tao, Kun Liu, Junfeng Jiang, Zixu Liu, Yongjun Jiang, Hao Kuang   +8 more
doaj   +1 more source

Absorption Parameters for Glucose Solution for Gamma Ray at 59.54 keV

ARO-The Scientific Journal of Koya University, 2016
Photon absorption parameters for glucose solution at different concentrations such as linear attenuation coefficient, mass attenuation coefficient, effective atomic number, electron density and density determined at 59.54 keV photon energy.
Maan S. Al-Arif, Diyaree O. Kakil
doaj   +1 more source

Calculated-Experimental Model for Multilayer Shield

ARO-The Scientific Journal of Koya University, 2016
The effective linear attenuation coefficients and build-up factors for single shield of Al, Fe, Pb, and for multi-layer shield of Al-Pb, Al-Fe, Fe-Pb, Al-Fe-Pb as a function of shield thickness, atomic number, and order of the materials composing the ...
Maan S. Al-Arif, Diyaree O. Kakil
doaj   +1 more source

Effect of Different Bend Pipes on the Propagation Characteristics of Premixed Methane-Air Explosion in Confined Spaces

Geofluids, 2021
To explore the effect of different bend pipes on the propagation characteristics of premixed methane-air explosion, the experimental explosion pipe system and numerical model were established.
Jinwei Qiu, Bingyou Jiang, Mingyun Tang, Liang Zhou, Bo Ren   +4 more
doaj   +1 more source

Image reconstruction using iterative transpose algorithm for optical tomography [PDF]

, 2007
This paper describes a transpose algorithm for use with an optical tomography system. The measurement system consisted of two orthogonal arrays, each having ten parallel views, resulting in a total of twenty sensors.
Abd. Rahim, Ruzairi, Fazalul Rahiman, Mohd. Hafiz, Green, R. G., Md. Yunos, Yusri   +3 more
core   +1 more source

Effect of structural defects on anomalous ultrasound propagation in solids during second-order phase transitions

, 2008
The effect of structural defects on the critical ultrasound attenuation and ultrasound velocity dispersion in Ising-like three-dimensional systems is studied.
A. B. Harris, A. I. Larkin, A. Ikushima, A. Pawlak, A. Pawlak, D. R. Nelson, E. A. Nosikhin, H. Iro, I. K. Kamilov, K. B. Varnashev, Kh. K. Aliev, L. D. Landau, M. Suzuki, N. Rosov, P. V. Prudnikov, P. V. Prudnikov, R. A. Ferrel, R. Folk, R. Fol’k, T. J. Moran, V. V. Prudnikov, V. V. Prudnikov, V. V. Prudnikov, V. V. Prudnikov, Y. Imry, Yu. A. Izyumov   +25 more
core   +1 more source