نتایج جستجو برای: disposal of asbestos
تعداد نتایج: 21166068 فیلتر نتایج به سال:
in 2007, research was carried out to determine the type and amount of asbestos fibers in a croatian factory with a long history of making asbestos-containing products.since the 1970s, asbestos fibres have been considered carcinogenic in humans i.e as a known cancer-causing agent. in the environment, asbestos fibres are inactive and naturally resist biodegradation. in time, fibres can only be gr...
Introduction: A large number of studies have proved a relationship between maligant mesothelioma and workers exposed to asbestos. The purpose of this study was to evaluate the degree of immunocompetence of the asbestos workers in comparison with non asbestos workers. Methods and materials: In this study 7 asbestotic patients, 73 workers exposed to asbestos and 59 controls from 2 Farsit fact...
Szeszenia-Dąbrowska et al. [1] provided an interesting view on the current state of asbestos-related diseases in Poland. Observation reported in this study can be extended to other developed nations. As mentioned by the authors, asbestos exposure levels have dramatically changed since the 1950/1960’s (e.g., 8 to 0.001 f/cc). The type of activity associated with asbestos has also changed. Histor...
Background and aimsThe relationship between pleural malignant mesothelioma and exposure to asbestos is well-known, but there is no accurate information regarding high risk occupations and types of exposure in Iran. In this study we specified high risk jobs for asbestos exposure.MethodsIn this case-control study, 64 cases with diagnosis of pleural malignant mesothelioma who were admitted in Masi...
The emotionalised subject of asbestos is treated in chronological terms: how the "magic mineral" known in ancient times in Europe and Asia became in the late nineteenth century an important industrial resource of particular interest to the navies of the world; and how its malign effects gradually became apparent during the present century. The media have made asbestos a notorious villain, but i...
Introduction: Today, have been approved scientifically relationship between presence of asbestos fibers in the human respiratory area and malignant diseases such as lung advanced fibrosis (Asbestosis), gastrointestinal, lung and Laryngeal cancers. The aim of this study was the determination of asbestos fibers concentration in Yazd city’s air in the summer of 2015. Materials and Methods: ...
Cite this article as: Ahmed Khan A, Ahmed Nafees A, Fatmi Z. Asbestos risk assessment in Pakistan: current scenario and way forward. Int J Occup Environ Med 2013;4:50-51. Asbestos is used widely in various manufacturing industries in Pakistan despite the adverse health affects associated with it. Around 70% of the global consumption of asbestos is from Asian countries like China, India, Thailan...
introduction: today, have been approved scientifically relationship between presence of asbestos fibers in the human respiratory area and malignant diseases such as lung advanced fibrosis (asbestosis), gastrointestinal, lung and laryngeal cancers. the aim of this study was the determination of asbestos fibers concentration in yazd city’s air in the summer of 2015. methods: this is a descriptive...
abstract: mineral scaling in oil and gas production equipment is one of the most important problem that occurs while water injection and it has been recognized to be a major operational problem. the incompatibility between injected and formation waters may result in inorganic scale precipitation in the equipment and reservoir and then reduction of oil production rate and water injection rate. ...
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