نتایج جستجو برای: specific factors model

تعداد نتایج: 3781144  

2010
Shilpa Soni Robert K. Ernst Artur Muszyński Nrusingh P. Mohapatra Malcolm B. Perry Evgeny Vinogradov Russell W. Carlson John S. Gunn

Francisella tularensis is a CDC Category A biological agent and a potential bioterrorist threat. There is no licensed vaccine against tularemia in the United States. A long-standing issue with potential Francisella vaccines is strain phase variation to a gray form that lacks protective capability in animal models. Comparisons of the parental strain (LVS) and a gray variant (LVSG) have identifie...

ژورنال: بیماری های پستان 2021

Introduction: Breast cancer is one of the most common cancers among women worldwide. Patients with cancer may die due to disease progression or other types of events. These different event types are called competing risks. This study aimed to determine the factors affecting the survival of patients with breast cancer using three different approaches: cause-specific hazards regression, subdistri...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد گرمسار - پژوهشکده علوم انسانی و اجتماعی 1391

abstract the present study was conducted to investigate the effect of using model essays on the development of writing proficiency of iranian pre-intermediate efl learners. to fulfill the purpose of the study, 55 pre- intermediate learners of parsa language institute were chosen by means of administering proficiency test. based on the results of the pretest, two matched groups, one as the expe...

Journal: :journal of research in health sciences 0
seyyed mansour kashfi ali khani jeihooni abbas rezaeianzade

background: we aimed to assess the impact of health workers’ training program on preventive behaviors of leishmaniosis based on basnef (belief, attitude, subjective norm, and enabling factors) model in the families under the coverage of health centers. methods: the study was done in rural health centers of marvdasht city, fars province, iran in 2011. health workers completed a specific question...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده مدیریت و حسابداری 1393

افزایش میزان استفاده از خدمات الکترونیکی شرکت های بیمه نیازمند شناخت مشتریان بالقوه و جلب اعتماد آنان در فضای مجازی و ایجاد بسترهای لازم جهت ایجاد استفاه آنان از این خدمات است و لازمه این امر نیز ارائه خدمات الکترونیک ایمن و همه جانبه و در دسترس است. شناخت عوامل بازدارنده در استفاده از این خدمات و رفع کمبودها و برداشتن موانع گسترش این خدمات و ارائه این نوع خدمات در همه ی رشته های بیمه ای با رعا...

Journal: :gastroenterology and hepatology from bed to bench 0
ahmad reza baghestani department of biostatistics, faculty of paramedical sciences, shahid beheshti university of medical sciences, tehran, iran mahmood reza gohari department of biostatistics, iran university of medical sciences, tehran, iran arezoo orooji department of biostatistics, faculty of paramedical sciences, shahid beheshti university of medical sciences, tehran, iran mohamad amin pourhoseingholi gastroenterology and liver diseases research center, shahid beheshti university of medical sciences, tehran, iran

background and objectives: survival models are statistical technique to estimate or predict the overall time up to specific events. prediction is important in medical science and the accuracy of prediction is determined by a measurement, generally based on loss functions, called prediction error. the aim of this study is using parametric models to determine the factors influencing predicted sur...

Agility is the fundamental characteristic of a supply chain needed for survival in turbulent markets, where environmental forces create additional uncertainty resulting in higher risk in the supply chain management. In addition, agility helps providing the right product, at the right time to the consumer. The main goal of this research is therefore to promote supplier selection in pharmaceutica...

Agility is the fundamental characteristic of a supply chain needed for survival in turbulent markets, where environmental forces create additional uncertainty resulting in higher risk in the supply chain management. In addition, agility helps providing the right product, at the right time to the consumer. The main goal of this research is therefore to promote supplier selection in pharmaceutica...

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