نتایج جستجو برای: s risk
تعداد نتایج: 1617334 فیلتر نتایج به سال:
Staphylococcus aureus is one of the most prevalent causes of gastroenteritis worldwide. Knowing the precise boundary for the growth/no growth interface of S. aureus and also determining the period of time needed for bacterial growth initiation is necessary for food safety risk assessment. This study was designed to examine the combined effects of temperature, acetic acid, inoculum level and NaC...
Background: There have been growing concerns about environmental pollution and public health issues associated with metal(loid)s and radionuclides. As a baseline for monitorisation, radioactivity and specific metal(loid) levels have been measured to investigate the estimated environmental health risks in Igdir province at the Turkish side of the border, in the vicinity of the Metsamor Nuclear P...
Information concerning the observation of 231 children with Down’s syndrome with mothers under 37 of age at their birth has been studied. These children along with others with the same or another abnormalities were kept at special centers in different cities of Iran. This information includes sex and parental age of the children at their birth. The frequency of these children has ...
backgrounds and aims: characteristic property among tehran offensive and non- offensive drivers using cloninger , s treatment and character inventory questionnaire was studied. materials and methods: a cross- sectional study was carried out after coordinating with traffic police. 300 drivers: 150 offensive ( drivers with more than ten penalty points and 150 non- offensive drivers with less than...
objective(s) human papillomavirus (hpv) infections are related to the genesis of various benign lesions and some malignant tumors, but no clear relationship has been identified so far between the subtypes of hpv and skin tag. materials and methods the present case-control study was designed to detect the existence of low risk and high risk hpv types in lesions of 50 patients with skin tag (case...
conclusions sphingomonas paucimobilis can cause serious infections, especially in immunocompromised patients with determined risk factors such as indwelling catheters and diabetes mellitus, due to the effects of multiple virulence factors, together with biofilm formation. results all the clinical isolates of s. paucimobilis produced biofilms. primary bacteraemia (n = 16) was the most common cli...
Suicide is the second leading cause of death among young people in 15-29 years of age and has always been one of the major public health concerns. Suicide prevention is an integral part of the World Health Organization (WHO)’s Mental Health Action Plan 2013-2020, whereby the global target was reducing the rate of suicide in the countries by 10% by 2020. The aim of this narrative review st...
در این پایان نامه ، هدف بررسی t - s-دو عمل ها و تعمیم آنهاست. به این منظور در فصل دوم به مفهوم t - s- دو عمل و زیر دو عمل های آنها پرداخته و زیر ساختارهای آن را معرفی می کنیم .سپس در فصل سوم مطالعه زیر عمل های (?,?)-فازی در یک s-عمل و مشخص سازی این زیر عملها به وسیله s-عمل های هموار صورت می گیرد و قضایای مهمی را در این فصول ثابت می کنیم . در نهایت در فصل چهارم مفهوم مجموعه های هموار(فازی) و مطا...
Background and Aims: First molar has an important role at individual’s dental health. Among the known risk factors, the experience of previous caries is of the best predictors for future caries. The aim of this study was to examine the association of primary teeth caries and other risk factors with the incidence of permanent teeth caries by considering the caries extent and severity. M...
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