Kitchen is an important place in Chinese residential building. However, unfavourable thermal environment and unsatisfied air quality occur during cooking. Studies on kitchen are experimentally investigated with enough make-up airflow. But mostly normal kitchens merely installed a exhaust hood have not supply system. This work carried out numerical simulation to investigate indoor under natural ...

a comparison on dentofacial cephalometric measurements between two mouth breathing groups with anterior and posterior obstructions of nasal airway zaeim* - dr. m.r. baghersad** dr. m.h. toodeh * - assistant professor of oral orthodontics dept. - faculty of dentistry - yazd university of medical sciences. ** - dentist. background and aim: the goal of this study was to compare dentofacial cephalo...

background & aim: the aim of this clinical trial study was to evaluate sleep quality in patients with chronic lung disease and the role of controlled breathing to improve the quality of sleep. methods & materials: sixty-four patients with chronic lung disease in two group (experimental and control group) enrolled in a 7 weeks. before interventions, the pittsburgh sleep quality index (psqi) and ...

Purpose: Physiological changes during pregnancy impose numerous changes on the respiratory system that can affect the health of both mother and fetus. Regarding the importance of the normal breathing in the health of mother and fetus, this study aimed to investigate the effect of breathing exercise on breathing pattern of pregnant women.  Methods: The study population was pregnant women...