یوسفی, مریم
دانشجوی کارشناسی ارشد مهندسی بهداشت محیط، کمیته تحقیقات دانشجویی، دانشکده بهداشت، دانشگاه علوم پزشکی مازندران، ساری، ایران
[ 1 ] - گندزدایی آب با استفاده از فرآیند فتوکاتالسیتی با نانو ذرات دی‌اکسید تیتانیوم
Background and purpose: Disinfection is one of the most important stages in water treatment. So far, various chemical disinfection methods such as chlorination have been widely used. However, these methods have serious disadvantages, like producing DBPs. The purpose of this research was to study the efficacy of nTiO2 photocatalyst process on removing E.Coli as a water microbial pollution in...
[ 2 ] - گندزدایی آبهای آلوده به کلیفرم مدفوعی با استفاده از ازن: بررسی تاثیر غلظت ازن و زمان تماس
Introduction & Purpose:Chlorine is the most important matter to water disinfection due to a residual effect. But by formation of by-products could be harmful to consumers’ health ,The researchers decided to use the method or other material. For this reason, in this study ozone used to water disinfection and its performance to disinfect of contaminated water with Escherichia coli was investigate...
[ 3 ] - بررسی شاخص‌های بهداشت محیط و ایمنی مدارس استان مازندران
Introduction & purpose: students spend important period of their life at school that coincided with their physical and mental growing. So health services including school environmental health has a positive impact on the health of students and, ultimately, society. Therefore according to the importance of the subject, the aim of this study is investigating the environmental health status among ...
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