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Heavy Metal Assessment among Chinese Nonferrous Metal-exposed Workers from the Jinchang Cohort Study 被引量:2
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作者 YANG Ai Min CHENG Zhi Yuan +9 位作者 PU Hong Quan CHENG Ning LI Hai Yan LIU Si Min DING Jiao LI Juan Sheng HU Xiao Bin REN Xiao Wei ZHENG Tong Zhang BAI Ya Na 《Biomedical and Environmental Sciences》 SCIE CAS CSCD 2017年第7期530-534,共5页
Environmental exposure to heavy metals has been linked to a wide range of human health hazards. We detected the levels of 15 metals in urine samples from 500 representative sub-samples in an ongoing occupational cohor... Environmental exposure to heavy metals has been linked to a wide range of human health hazards. We detected the levels of 15 metals in urine samples from 500 representative sub-samples in an ongoing occupational cohort study (Jinchang Cohort) to directly evaluate metal exposure levels. Fifteen metals, namely As, Ba, Be, Cd, Cs, Cr, Co, Cu, Pb, Mn, Ni, Se, TI, U, and Zn, were detected by inductively coupled plasma quadruple mass spectrometry. The results showed that median creatinine adjustment and geometric mean urinary metal levels were higher in the heavy metal-exposed group, except Se and Zn, than other reported general or occupational populations. Further studies should address the effects of heavy metals on human health. 展开更多
关键词 from Co high As that of were Heavy metal Assessment among Chinese Nonferrous metal-exposed workers from the Jinchang Cohort Study than
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Evaluation of occupational noise pollution and attitudes of exposed workers in two metal industries
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作者 Ghorbanali Mohammadi 《Chinese Journal of Acoustics》 2009年第4期289-297,共9页
The purpose of the present study was to determined noise levels and to show the annoyance reaction, hearing loss, hearing impairment by the workers due to the occupational noise exposure according to Iran development ... The purpose of the present study was to determined noise levels and to show the annoyance reaction, hearing loss, hearing impairment by the workers due to the occupational noise exposure according to Iran development of Environment (IDE) and also awareness about effects of noise and use of hearing protective devices (HPD) in the two manufacturing electronic equipment (metal) industries. The present study was carried out among industrial workers and included a sample of lao workers, site 1 (n = 52) and site 2 (n = 78) from two metal industries located in south eastern Iran province of Kerman. In order to attend the objectives of the current study, noise levels evaluation was determined throughout all different work stations in both industries. The results of the study revealed that noise levels in 75% of the stations are higher than limits used for assessment of noise for community response. The result of the study indicated that noise levels in the workplace are (66%) very high, (28%) high and only 6% low. Workers having higher education are much aware of the health impact due to occupational noise. Chi-square analysis indicated that the difference in educational background and not wearing HPD was significant and also a significant relationship was also observed between the impact of occupational noise on the health and education status. This research has clearly demonstrated that the workers in both the metal industries included in this study are at high risk of developing noise induced hearing loss and other associated ailments due to excessive occupational exposure to noise. There is a need to develop and apply a well-defined, comprehensive and enforceable training programs and noise regulation. The study revealed that the workers having higher education (9-12 grades) are much aware of the health impact due to occupational noise exposure. There is a need to establish a hearing conservation programs in both industries, the components of such program include noise assessment, use of hearing protection devices, audiometric and increasing awareness among the workers about the adverse effects of noise. 展开更多
关键词 work In Evaluation of occupational noise pollution and attitudes of exposed workers in two metal industries
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