نتایج جستجو برای: asbestos free

تعداد نتایج: 519794  

2017
Jing Wang Lukas Schlagenhauf Ari Setyan

Composite materials with fibrous reinforcement often provide superior mechanical, thermal, electrical and optical properties than the matrix. Asbestos, carbon fibers and carbon nanotubes (CNTs) have been widely used in composites with profound impacts not only on technology and economy but also on human health and environment. A large number of studies have been dedicated to the release of fibr...

شهریاری, مهران , صالح‌پور, سوسن , مهرداد, رامین , پوریعقوب, غلامرضا ,

Background: Cancer is the third cause of death in Iran. Approximately 5-10% of all human cancers are thought to be caused by occupational exposure to carcinogens. Dif-fuse mesotheliomas of the peritoneum and pleura are considered "signal tumors," or pa-thognomonic of exposure to asbestos. There is also evidence that nonasbestos agents can induce malignant mesotheliomas. So, we need to study the...

Journal: :Experimental and molecular pathology 2006
Giorgia Cardinali Daniela Kovacs Vittoria Maresca Enrica Flori Maria Lucia Dell'Anna Antonella Campopiano Stefano Casciardi Giuseppe Spagnoli Maria Rosaria Torrisi Mauro Picardo

In this study, we analyzed the effects of synthetic vitreous fibers (SVFs) on a mesothelial (MeT5A) and a fibroblast cell line (NIH3T3), compared to those exerted by crocidolite asbestos fibers. SVFs (glass wool, rock wools) do not induce significant changes in cell mortality, whereas crocidolite asbestos fibers caused a dose-dependent cytotoxicity. We investigated the correlation between the f...

Journal: :International journal of occupational and environmental health 2007
Fernanda Giannasi

The EU Directive 1999/77/EC, prohibiting new applications of chrysotile, exempted diaphragms used in electrolysis to produce chorine and caustic soda in existing chlor-alkali plants until they reach the end of their service life, or until suitable asbestos-free substitutes become available, whichever is sooner. There is no technical justification for extending this exemption after January 2008,...

Journal: :Knowledge 2022

Identified in a category as hazardous, asbestos is one of the most dangerous materials for human health.It all living species if freely released particles from air are breathed into lungs.This mineral mainly used construction and automotive industry due to its ability strengthen fireproofmaterials. Up 1980s, has been strengthening widely theconstruction business buildings.The intention this pap...

Journal: :international journal of civil engineering 0
m. khorami islamic azad university, branch eslamshahr j. sobhani concrete technology departement, building and housing research centre, tehran, iran, 13145-1696

worldwide, asbestos fibers utilized in fiber cement boards, have been recognized as harmful materials regarding the public health and environmental pollutions. these concerns motivate the researchers to find the appropriate alternatives to substitute the asbestos material towards the sustainability policies. in this paper, the applicability of asbestos replacement with three types of agricultur...

Journal: :Journal of King Saud University - Engineering Sciences 2016

Journal: :Sustainability 2023

Given Australia’s significant and aged asbestos legacy, the long-term sustainability of effective accessible waste management is a national priority Asbestos National Strategic Plan. The current policy for managing hazardous via deep burial in landfill. Technological alternatives to approved landfill methods exist could be considered innovative sustainable additional options waste, where these ...

Journal: :iranian journal of public health 0
sh. kheradpir m. ghiasseddin f. moztarzadeh k. mohammad

in this survey, asbestos fiber levels within the breathing zone of employers and in the environment of an asbestos-cement factory were monitored on membrane filter and counted by phase contrast optical microscope considering length/diameter>3:i (asbestos international associational method). the plant was fairly old and utilized both white (chrysotile) and blue (chrocidolite) asbestos. in each w...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید