●急性矽肺–急性矽肺又称为速发型矽肺、急性矽蛋白沉积症,发生在接触高浓度可吸入结晶型二氧化硅(respirable crystalline silica, RCS)之后,在职业暴露后的数周至数年内发病。 ●慢性矽肺–慢性矽肺的影像学表现通常为单纯性矽肺。少数慢性矽肺患者出现结节融合,导致进行性块状纤维化(progressive massive fibrosis, PMF)。
Respirable Crystalline Silica Exposure In Brick And Stone WorkersKeen, CBaldwin, PE
Twitter Google Share on Facebook respirable Medical res·pi·ra·ble (rĕs′pər-ə-bəl, rĭ-spīr′-) adj. 1.Fit for breathing:respirable air. 2.Having characteristics, especially small size, that result in deposition in the lungs after inhalation:respirable particles. ...
文档标签: size Size FINAL Report on Carcinogens Background Document for Silica, Crystalline (Respirable Size) December 2 - 3, 1998 Meeting of the NTP Board of Scientific Counselors Report on Carcinogens Subcommittee Prepared for the: U.S. Department of Health and Human Services Public Health Servi...
respirable crystalline silica (RCS)X-ray diffraction (XRD)Evaluation and control of respirable crystalline silica (RCS) exposures are critical components of an effective mine industrial hygiene program. To provide more timely exposure data in the field, an end-of-shift Fourier transform infrared (FT...
16.Examples where lower limit values have recently been proposed include wood dust, respirable silica, and beryllium. 例如木材灰、可呼吸性二氧化矽和铍为最近被提出具较低阈值的例子。 17.At concrete batch plants, respirable crystalline silica can come from cement and fly ash, a powder used in pro...
Occupational exposures to respirable dusts and respirable crystalline silica (RCS) is well established as a health hazard in many industries including mining, construction, and oil and gas extraction. The U.S. National Institute for Occupational Safety and Health (NIOSH) is researching methods of ...
Silica Measurement with High Flow Rate Respirable Size Selective Samplers: A Field Study. High and low flow rate respirable size selective samplers including the CIP10-R (10 l min(-1)), FSP10 (11.2 l min(-1)), GK2.69 (4.4 l min(-1)), 10-mm nylon... Taekhee,Lee,Martin,... -...
respirable crystalline silicaThe OSHA final rule on respirable crystalline silidoi:10.1080/15459624.2017.1376068.AlexanderNIOSHBarbaraNIOSHM.NIOSHEssweinNIOSHEricNIOSHJ.NIOSHGresselNIOSHMichaelNIOSHG.NIOSHKratzerNIOSHJournal of Occupational and Environmental Hygiene...
The higher this fraction is in the coal dust, especially if rich in crystalline silica and/or metals, the higher the potential cell inflammation and consequent health damage (Brodny and Tutak, 2018; Castranova, 2000; Cohen et al., 2008; Ercal et al., 2001; Ghio and Madden, 2017; ...