زارع, سجاد
[ 1 ] - طراحی و ساخت نازل جت چند گانه با هدف کاهش صدای ناشی از تفنگ های بادپاش
Background and aims: Discharging compressed air through conventional single jet nozzles or open pipes is a common jet noise in industry. This study is aimed to reduce air blow gun jet noise by designing and fabrication of multiple jet nozzle as a substitute for conventional single jet nozzles. Methods: One of the most common commercial air blow gun equipped with a conventional single j...
[ 2 ] - کنترل آلودگی صوتی پمپ آب با استفاده از پرده‌‌های آکوستیک طراحی شده در یک ساختمان مسکونی شهر قزوین
Abstract: Background and aims: Using water pump in residential buildings to provide the required water pressure is accompanied by noise pollution and the annoyance of residents. So, the purpose of this study is to reduce water pump noise pollution with designed acoustic curtains in a residential building of Qazvin city. Methods: The mean sound pressure level was measured before and ...
[ 3 ] - Designing, Constructing and Installing a Local Exhaust Ventilation System to Minimize Welders\' Exposure to Welding Fumes
Background & Aims of the Study: Welder’s exposure to welding fumes can cause occupational diseases. The current study sought to examine exposure to welding fumes among welders who work in the repair shop of Sarcheshmeh Copper Complex and design a local exhaust ventilation system to control exposure to welding fumes. Materials & Methods: This applied analytical study was co...
[ 4 ] - Hearing loss among Fasa sugar factory workers’, Fars Provincre, Iran (2016)
Background: Hearing loss induced by noise is one of the well-known and main health problems of occupational exposures. As a result, the current study sought to examine the association between age, working experience, and smoking status and hearing loss among sugar factory workers. Materials and Methods: This cross-sectional study was conducted in 2016 among 270 workers of a sugar factory in Fa...
[ 5 ] - بررسی تاثیر استرس گرمایی بر روی فاکتورهای حیاتی و عملکرد شناختی کارکنان کارخانه ذوب مس سرچشمه کرمان
Introduction: Thermal stress and high physical activity reduce blood flow to the brain and decrease the mental performance of individuals. Therefore, this study aimed to investigate the effect of Heat stress on vital factors and cognitive function of Workers of Sarcheshmeh copper in Kerman. Method: This descriptive cross-sectional study was carried out on fifty-six Workers of Sarcheshmeh Coppe...
[ 6 ] - Noise assessment and sound map projection using Surfer and Noise At Work tools in a tire manufacturing complex in Iran, 2018
Background: Noise pollution is one of the common physical harmful factors in many work environments. The current study aimed to assess the personal and environmental noise level and project the sound map of an Iranian tire manufacturing complex using Surfer V.14 and Noise At Work tools. Materials and Methods: This descriptive study was conducted in the curing hall [including curing, sandblast,...
[ 7 ] - Evaluating and managing the probability of medical errors in nursing personnel using the HEART method
Introduction: Medical errors cause serious and often preventable injuries to patients. Studying human errors and their use as an opportunity for learning is a key factor in the effort to improve patient safety and quality of care in the hospitals. The purpose of this study was to identify and evaluate human errors to reduce their risks in nursing personnel using the Human Error Evaluation and R...
نویسندگان همکار