Monte Carlo Simulation for Bremsstrahlung Buildup Factor Produced by Absorption of Y-91 Beta Rays

Mazin M. Elias

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Publication Date

Sat Jan 01 2011

Journal Name

Iraqi Journal Of Physics

Volume

9

Issue Number

14

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Monte Carlo Simulation for Bremsstrahlung Buildup Factor Produced by Absorption of Y-91 Beta Rays

Monte Carlo Simulation

Bremsstrahlung

Buildup Factor

Mazin M. Elias

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This paper presents the first data for bremsstrahlung buildup factor (BBUF) produced by the complete absorption of Y-91 beta particles in different materials via the Monte Carlo simulation method. The bremsstrahlung buildup factors were computed for different thicknesses of water, concrete, aluminum, tin and lead. A single relation between the bremsstrahlung buildup factor BBUF with both the atomic number Z and thickness X of the shielding material has been suggested.

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Publication Date

Sun Sep 05 2010

Journal Name

Baghdad Science Journal

Effect of Time Factor, Molybdenum and Potassium on Rhizobium Growth in the Soil

Ali Sabeeh

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An experiment was carried out to study the effects of Time Factor, potassium and Molybdenum on Rhizobium growth. The objective of the experiment, which conducted under laboratory conditions, was to investigate the interaction effects of using three levels of Molybdenum (0, 0.25, 2.50 mg Mo . Kg-1 sterile soil) and four levels of potassium (0, 25, 50, 100 mg K . Kg-1 sterile soil) on the viable counts of Rhizobium growth in the sterile soil after 3, 9, 15 and 21 days of incubation at 28°C. The results indicated that Molybdenum level 2.50 mg Mo . Kg-1 sterile soil and potassium level 50 mg K . Kg-1 sterile soil recorded the biggest significant increase in the viable counts of Rhizobium growth in the sterile soil especially after 15 da

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Publication Date

Mon Feb 01 2016

Journal Name

Journal Of Civil Engineering Research

Distribution Factor of Curved I-Girder Bridges under Iraqi Standard Bridge Live Loads

Amer

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Publication Date

Wed Aug 23 2017

Journal Name

Journal Of Physics G: Nuclear And Particle Physics

Shell closures in Fl superheavy isotopes via determination of alpha decay preformation factor

Norah A M

Shahidan

Saad M Saleh

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(7)

Publication Date

Sat Jun 01 2019

Journal Name

2019 International Engineering Conference (iec)

Assessment of Specific Absorption Rate and Temperature in the Tumor Tissue Subjected to Plasmonic Bow-Tie Optical Nano-Antenna

Mahdi R.H.

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Publication Date

Wed Aug 15 2018

Journal Name

Al-khwarizmi Engineering Journal

Experimental and Simulation investigations of Micro Flexible Deep Drawing Using Floating Ring Technique

Flexible tool

micro deep drawing

finite element simulation

floating ring.

Zaid H.

Ihsan K.

Kadum A.

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Micro metal forming has an application potential in different industrial fields. Flexible tool-assisted sheet metal forming at micro scale is among the forming techniques that have increasingly attracted wide attention of researchers. This forming process is a suitable technique for producing micro components because of its inexpensive process, high quality products and relatively high production rate. This study presents a novel micro deep drawing technique through using floating ring as an assistant die with flexible pad as a main die. The floating ring designed with specified geometry is located between the process workpiece and the rubber pad. The function of the floating ring in this work is to produce SS304 micro cups with profile

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(1)

Publication Date

Thu Aug 08 2024

Journal Name

Computation

Evaluation of the Dynamics of Psychological Panic Factor, Glucose Risk and Estrogen Effects on Breast Cancer Model

Psychological Panic Factor

Glucose Risk

Estrogen effect

Breast cancer model.

Zahraa

Shireen

Belal

Ali Hasan

Firas

Alina Alb

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Contracting cancer typically induces a state of terror among the individuals who are affected. Exploring how glucose excess, estrogen excess, and anxiety work together to affect the speed at which breast cancer cells multiply and the immune system’s response model is necessary to conceive of ways to stop the spread of cancer. This paper proposes a mathematical model to investigate the impact of psychological panic, glucose excess, and estrogen excess on the interaction of cancer and immunity. The proposed model is precisely described. The focus of the model’s dynamic analysis is to identify the potential equilibrium locations. According to the analysis, it is possible to establish four equilibrium positions. The stability analys

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(9)

Publication Date

Thu Nov 07 2024

Journal Name

Journal Of Ecological Engineering

Microwave assisted production of biodiesel using CaO nano-catalyst produced from mango fallen leaves extract

Atheer M.

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(4)

(3)

Publication Date

Thu May 02 2024

Journal Name

Iraqi Journal Of Applied Physic

Photosensitivity of Nb2O5/Si Thin Films Produced via DC Reactive Sputtering at Different Substrate Temperatures

: Nb2O5 thin film

Substrate temperatures

Sputtering

Photosensitivity

Yahya R.

Isam M.

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This study thoroughly investigates the potential of niobium oxide (Nb2O5) thin films as UV-A photodetectors. The films were precisely fabricated using dc reactive magnetron sputtering on Si(100) and quartz substrates, maintaining a consistent power output of 50W while varying substrate temperatures. The dominant presence of hexagonal crystal structure Nb2O5 in the films was confirmed. An increased particle diameter at 150°C substrate temperature and a reduced Nb content at higher substrate temperatures were revealed. A distinct band gap with high UV sensitivity at 350 nm was determined. Remarkably, films sputtered using 50W displayed the highest photosensitivity at 514.89%. These outstanding optoelectronic properties highlight Nb2O5 thin f

Publication Date

Tue Nov 11 2025

Journal Name

Iraqi Journal Of Agricultural Sciences

PURIFICATION OF PHYTASE PRODUCED FROM A LOCAL FUNGAL ISOLATE AND ITS APPLICATIONS IN FOOD SYSTEMS

Samar S.

K.

A.

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Publication Date

Mon Mar 01 2021

Journal Name

Journal Of Physics: Conference Series

High pollutant levels of produced water around Al-Ahdab oil field in Wasit governorate (Iraq)

Heavy Metals (Cd

Co

Cr

Pd

and Ni)

Al-Ahdab oilfield in Wasit

Iraq

the Main Outfall Drain (MOD)

produced water (PW)

inductively couple plasma (ICP-OES)

N M

Khalid Waleed S

S A

Z S.

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Abstract<p>Exploration activities of the oil and gas industry generate loads of formation water called produced water (PW) up to thousands of tons each day. Depending on the geographic area, formation depth, oil production techniques, and age of oil supply wells, PW from different oil fields contain different chemical compositions. Currently, PW is also known as industrial waste water containing heavy metals that are toxic to humans and the environment, requiring special processing so that they can be disposed of in the environment. To determine the heavy metals content in PW from the Al-Ahdab oil field (AOF), the Ministry of Science and Technology/Agricultural Research Department determined som</p> ... Show More

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