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View article: Presenting approaches to stress management in the elderly in Qazvin
Presenting approaches to stress management in the elderly in Qazvin Open
Background: Based on the opinions of the World Health Organization (WHO), the elderly period begins at the age of 60 in third world countries. During this period the amount of social activities are reduced and as a result of which, the per…
View article: Assessing respiratory exposure to harmful evaporations in a manufacturing company
Assessing respiratory exposure to harmful evaporations in a manufacturing company Open
Introduction: Using Hypochlorite Sodium in producing bleaches in order to disinfect and shine surfaces has been an ordinary method since 200 years ago. 10-15% solutions with PH=13 have been used for industrial purposes and 5% solutions wit…