نتایج جستجو برای: ceramic industry
تعداد نتایج: 214571 فیلتر نتایج به سال:
background: manual handling, lifting, or carrying of material is responsible for non-fatal injuries among employees in industries. it is the second most prevalent reported risk factor in workplaces that can lead to potential manual handling accidents and longer-term musculoskeletal disorders (msds). the aim of this study was the evaluation of manual material handling using the american national...
background: some particular areas contain natural radionuclide at levels much higher than those usually present in earth's crust. the radiological impact of the use of zirconium ore in zirconium industry is due to internal exposure of the lung by alpha particles and external exposure of the body by the gamma rays. the result of gamma spectrometry measurement of the concentrations of the na...
glazers are exposed to a variety of heavy metals in the ceramic industry, causing adverse effect on the body systems. cadmium is one of the major raw materials for production of colored glazes. to evaluate occupational exposure to cadmium, spot urine samples were collected from 49 tile and pottery glazers n yazd city in 2010 at the beginning and end of the work shift (98 samples). totally, 55 o...
background: respiratory diseases cause a considerable amount of morbidity and mortality in the world. pulmonary function tests are important measures for the diagnosis and management of respiratory disorders. workers in tile and ceramic industry are exposed to high amounts of respiratory pollutants. objective: to identify the changes in spirometric parameters in a 2-year period among tile and c...
BACKGROUND Respiratory diseases cause a considerable amount of morbidity and mortality in the world. Pulmonary function tests are important measures for the diagnosis and management of respiratory disorders. Workers in tile and ceramic industry are exposed to high amounts of respiratory pollutants. OBJECTIVE To identify the changes in spirometric parameters in a 2-year period among tile and c...
Powder injection molding (PIM), which encompasses metal injection molding (MIM) and ceramic injection molding (CIM), is a net-shaping process which enables large scale production of complex-shaped components for use in a diverse range of industries. It combines plastic injection molding techniques and performance attributes of ceramic and metal powders. Ceramic injection molding (CIM) uses cera...
the main aim of this study is to recognize and prioritize the effective factors of a sme’s excellence. the research population consists of experts or activists in ceramic and tile industry selected via purposeful conjecture based on judgmental sampling .the required data of this study were collected by two methods of library studies and survey studies. in order to identify strengths and weakne...
abstract a great proportion of non-oil export in iran is related to tile and ceramic industry. so because of its main role in job creation, this industry is one of important industries in iran. in the recent years inefficiency in this industry caused an increase in expenses and a decrease in products quality and caused supply surplus crisis and a reduction in sales. therefore in this paper, the...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید