نتایج جستجو برای: system risk calculations

تعداد نتایج: 3154144  

Journal: :international journal of preventive medicine 0
sreenivas p veeranki shimin zheng

background: screening rates for colorectal cancer (crc) are increasing nationwide including tennessee (tn); however, their up‑to‑date status is unknown. the objective of this study is to determine the trends and characteristics of tn adults who are up‑to‑date status with crc screening during 2002‑2008. methods: we examined data from the tn behavioral risk factor surveillance system for 2002, 20...

Base on the non-relativistic Faddeev AGS method, three-body calculations of the coupled and quasi-bound KKN-πKΣ system are performed in the momentum space. Different phenomenological models of KN-πΣ potentials with one and two-pole structures of KN-πΣ resonance are used to study the dependence of double-kaonic system binding energy on the coupled KN-πΣ interaction. Also, the effect of the KK  r...

Abaspour, Alireza , Khosroabadi, Mohsen , Naghiloo, Mahsa , Sadeghi, Hamid Reza , Sadoughi, Hamid-Reza ,

Introduction: Radiation therapy is one of the most important methods of cancer treatment. Radiation therapy uses symmetric and asymmetric fields in which the radiation dose distribution is different. To calculate the dose distribution, computer treatment planning systems are used which must have acceptable calculations accuracy. The aim of this study was to investigate the accuracy of the dose ...

2002
William L. Cowley Joseph E. Meacham

This paper describes a methodology for estimating the potential risk to workers and the public from igniting organic solvents in any of the 177 underground waste storage tanks at the Hanford Site in southeastern Washington state. The Hanford Site is one of the U.S. Department of Energy's former production facilities for nuclear materials. The tanks contain mixed radioactive wastes. Risk is meas...

Journal: :American journal of epidemiology 2005
Donna Spiegelman Ellen Hertzmark

We would like to make the readership aware that risk or prevalence ratios and differences, when they are the parameter of interest, can be directly calculated by using SAS software (SAS Institute, Inc., Cary, North Carolina). There is no longer any good justification for fitting logistic regression models and estimating odds ratios when the odds ratio is not a good approximation of the risk or ...

2000
SALIH N. NEFTCI

THE JOURNAL OF DERIVATIVES 1 The notion of extreme movements in asset prices is implicit in current risk management practices. Capital adequacy assumes a threshold that classifies observed changes in market risk factors either as extreme or ordinary. A probability is first chosen to measure the “extremeness” of events that may affect a particular portfolio. This probability then determines the ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ملایر - دانشکده منابع طبیعی 1393

با توجه به اهمیت تالاب شادگان در محیط زیست ایران و افزایش آلودگی های منطقه، در پژوهش حاضر غلظت کل و منشایابی فلزات سنگین در رسوب تالاب شادگان مورد بررسی قرار گرفت. بدین منظور نمونه برداری از رسوب سطحی 10 ایستگاه با 3 تکرار صورت گرفت. جهت تعیین غلظت کل فلزات رسوب از روش (direct aqua regia)و برای آنالیز غلظت های فلزات در بخش های ژئوشیمیایی رسوب از روش استخراج پی در پی استفاده شد. آماده سازی نمونه...

Automobile hull insurance has attracted much attention due to the high rate of vehicle applications in daily lives. Since purchasing these policies is optional in Iran and their premium rates are set competitively, a competition is formed among the insurance companies for attracting low risk drivers. However, most of the insurers still use comparative rates and pay no or less attention to the f...

Journal: Money and Economy 2021

This study investigates the effect of intra-organizational and macroeconomic factors on banking leverage in selected Iranian banks. For this purpose, after calculation of the Banking Leverage for each bank, by using Random-Coefficients Approach (Swamy model), the impact of explanatory variables during the period of 1999-2016 was examined separately by 10 selected Iranian public and private bank...

Journal: :iranian journal of medical physics 0
asghar mesbahi department ofmedical physics, medical school, tabriz university of medical sciences,,tabriz, iran. 2- department ofradiation oncology, imam hospital, tabriz, iran. ismail zergoug 3-department of radiotherapy, emir abdelkaderanti-cancer center, oran, algeria

introduction radiotherapy with small fields is used widely in newly developed techniques. additionally, dose calculation accuracy of treatment planning systems in small fields plays a crucial role in treatment outcome. in the present study, dose calculation accuracy of two commercial treatment planning systems was evaluated against monte carlo method. materials and methods siemens once or linea...

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