نتایج جستجو برای: disease rate
تعداد نتایج: 2241357 فیلتر نتایج به سال:
پنومونی اکتسابی از جامعه (cap) عفونت پارانشیم ریه می باشد و از شایع ترین بیماری های عفونی در سطح جهانی است که هر سال حدود 450 میلیون نفر از جمعیت جهان را مبتلا می کند. این بیماری یکی از علل اصلی تجویز آنتی بیوتیک ها است. هدف ما از انجام این مطالعه شناسایی آن دسته از بیماران cap است که مطابق معیار curb65 (confusion, urea ? 7 mmol/l, respiratory rate ? 30/min, systolic blood pressure < 90 mmhg, ...
background this study is the first study to evaluate the nonadherence rate and reasons of same patient with inflammatory bowel disease (ibd) in iran. methods during 9 months, 500 patients with ibd were enrolled in the study. patients were interviewed about their nonadherence behaviors. factor analysis was used to analyze the collected answers. results the overall rate of nonadherence was 33.3% ...
the hypothesis is that recent and frequent exposure to lexical items leads to a more fluent production of speech in terms of rate of speech. to test the hypothesis,a one-way anova experimental design was carried out. 24 sednior students of efl participated in a one-way interview test. data analyses revealed that those who were exposed frequently to the lexical items over a week prior to inter...
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 ...
Background:The incidence rate of head and neck cancer in the world is about 560,000 new cases a year. Larynx cancer is the most common malignancy in head and neck in Iran. The most common head and neck carcinoma is the malignancy of squamous epithelial cells. This study was conducted to determine the survival rate of patients undergoing nonsurgical treatment methods for larynge...
nowadays in trade and economic issues, prediction is proposed as the most important branch of science. existence of effective variables, caused various sectors of the economic and business executives to prefer having mechanisms which can be used in their decisions. in recent years, several advances have led to various challenges in the science of forecasting. economical managers in various fi...
abstract: mineral scaling in oil and gas production equipment is one of the most important problem that occurs while water injection and it has been recognized to be a major operational problem. the incompatibility between injected and formation waters may result in inorganic scale precipitation in the equipment and reservoir and then reduction of oil production rate and water injection rate. ...
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