نتایج جستجو برای: prevalence rate

تعداد نتایج: 1199062  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده مهندسی شیمی و نفت 1391

برای اطمینان از درستی کارکرد فرآیند های صنعتی، نیاز به ابزارهایی هست که وضعیت های نامطلوب عملکرد فرآیند را با دقت و سرعت بالا به راهبر فرآیند نشان دهد. یک روش موثر برای تشخیص و ردیابی عیوب، به کاهش اثر این عیوب، تأمین ایمنی عملیات، کم کردن عدم زمان کارکرد و کاهش هزینه های بازسازی کمک می کند. در حال حاضرbayesian belief networks (bbns) از جمله روش های مورد توجه جهت تعیین و تشخیص عیوب فرآیندها به ...

Introduction: Latin American and Mediterranean (LAM) is a family of Mycobacterium tuberculosis (M. tuberculosis). Drug resistant in M. tuberculosis LAM family is a major problem in the world population. Our objective of this study was to determine the prevalence of M. tuberculosis LAM family with multi-drug resistant (MDR) in the worldwide by a meta-analysis and systematic review. Materials an...

ژورنال: افق دانش 2020

Aims Breast cancer is among the most prevalent cancers in women and has mental and emotional effects, leading to declined quality of life. The current this study aimed to determine the prevalence rate of depression in Iranian women with breast cancer. Methods & Materials This study was conducted using a meta-analysis method at Zabol University of Medical Science in March 2019. Six electronic d...

2016
Khamphoua Southisombath Siphet Sisalermsak Phonesavanh Chansan Khongsap Akkhavong Soulasay Phommala Susan Lewallen Paul Courtright Anthony W. Solomon

PURPOSE Population-based prevalence surveys were undertaken to determine whether trachoma is a public health problem in Laos requiring implementation of the SAFE strategy (surgery, antibiotics, facial cleanliness, environmental improvement). METHODS The country was divided into 19 evaluation units (EUs), each containing a population of roughly 100,000-350,000 people. Of these, 16 were believe...

Journal: :iranian journal of medical sciences 0
sadegh izadi shiraz university of medical science, shiraz, iran ali reza nikseresht shiraz university of medical science, shiraz, iran maryam poursadeghfard shiraz university of medical science, shiraz, iran afshin borhanihaghighi shiraz university of medical science, shiraz, iran seyyed taghi heydari shiraz university of medical science, shiraz, iran

background:  multiple sclerosis (ms) is a chronic inflammatory and demyelinating disease of the central nervous system, which is accompanied by significant disabilities. although there are some published data regarding the epidemiological features of ms in other parts of iran, scarce data are available about the prevalence and demographic characteristics of ms in fars province. the current stud...

Objectives: The internet is known as an essential part of individuals’ daily life. The present descriptive research aimed to determine the prevalence rate of Internet Addiction (IA) and its related factors in Iran. Methods: In total, 1046 internet users were recruited by a convenience sampling approach. The required data were collected by an online questionnaire, including a sociodemographic d...

ژورنال: طلوع بهداشت یزد 2012
برخورداری, ابوالفضل, فلاح زاده, حسین, مهرپرور, امیرهوشنگ, میرمحمدی, سیدجلیل, کتابی یزدی, دامون,

  Background: Work-related musculoskeletal disorders (WMSDs) mainly caused by awkward postures, manual lifting and carrying the load, repetitive movements and lack of appropriate work station design. To identify the prevalence rate of work-related musculoskeletal disorders in auto parts-manufacturing plants’ workers, this study was conducted.   Method: In a cross-sectional study, we calculated ...

ژورنال: اعتیاد پژوهی 2012
شیخی‌فینی, علی‌اکبر, مردانی, حمید , کاوسیان , جواد ,

Aim: Substance abuse is one of the most important problem and disease in current century that produced wide worry in the entire world. The solving of addiction among young and educated population is more important issue. The current research was aimed the study of the prevalence rate of the substance use (included: opium, alcohol, cigarette, Hubble bubble) among Bandar Abas azad Islamic univers...

صادق‌حسنی, صفورا , ملکی, فاطمه ,

Cryptosporidiosis is one the reasons of diarrhea between children in the world. The prevalence of cryptosporidium in children is more than adult. This research is effective for studying of prevalence of this disease in students of elementary schools in the west of Tehran(aged 6 to 12 years) In this study 3 fecal samples preserved in 10% formalin, were collected from 500 children. Oocyst ...

Journal: :journal of dental research, dental clinics, dental prospects 0
nasser asl aminabadi azin taghizadeh gangi esrafil balaei mehrnoosh sadighi

background and aims. fluorosis is defined as a sort of enamel hypocalcification. clinical features of fluorosis vary from thin white lines on the enamel to chalky and opaque enamel. the enamel may be destroyed after tooth eruption. various prevalence rates have been reported in different populations. major contributing factors are temperature, altitude and hygienic trends. the aim of this study...

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