نتایج جستجو برای: asbestos free
تعداد نتایج: 519794 فیلتر نتایج به سال:
In the context of work conducted at CSTB (French Scientific and Technical Center for Building), need a tool providing assistance in identification asbestos-containing materials buildings was identified. To this end, we have developed an approach, named CRA-Miner, that mines logical rules from knowledge graph describes asbestos diagnoses. Since specific product used is not defined, CRA-Miner con...
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...
A brief discussion of three types of geologic occurences of asbestos-like minerals is given. The problem of mining ore free of asbestos is considered.
Several observations, including studies from this laboratory, demonstrate that asbestos generates free radicals in the biological system that may play a role in the manifestation of asbestos-related cytotoxicity and carcinogenicity. It has also been demonstrated that iron associated with asbestos plays an important role in the asbestos-mediated generation of reactive oxygen species. Exposure to...
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...
This paper describes progress on formulating a national asbestos profile for the country of Vietnam. The Center of Asbestos Resource, Vietnam, formulated a National Profile on Asbestos-related Occupational Health, with due reference to the International Labor Organization/World Health Organization National Asbestos Profile. The Center of Asbestos Resource was established by the Vietnamese Healt...
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...
Asbestos causes progressive pulmonary fibrosis (asbestosis), pleural disease (eVusion and pleural plaques), and malignancies such as bronchogenic carcinoma and malignant mesothelioma. Asbestos is a generic term for a group of naturally occurring hydrated silicate fibres whose tensile strength and resilient structural and chemical properties are ideally suited for various construction and insula...
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