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資料載入中.....
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請使用永久網址來引用或連結此文件:
http://ir.cmu.edu.tw/ir/handle/310903500/29347
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| 題名: | Impact of the high-risk and mass strategies on hypertension control and stroke mortality in primary health care |
| 作者: | Lin, T;Chen, CH;Chou, P |
| 貢獻者: | 附設醫院社區醫學部;China Med Univ Hosp, Dept Community Med, Taichung 403, Taiwan;Natl Yang Ming Univ, Community Med Res Ctr, Taipei 112, Taiwan;Natl Yang Ming Univ, Inst Publ Hlth, Taipei 112, Taiwan;Taipei Vet Gen Hosp, Div Cardiol, Taipei, Taiwan |
| 日期: | 2004 |
| 上傳時間: | 2010-09-24 14:32:51 (UTC+8) |
| 出版者: | NATURE PUBLISHING GROUP |
| 摘要: | Laboratory and field evaluations were performed to validate a solid-phase microextraction (SPME) device that was used as a diffusive sampler. Hydrogen bromide (HBr) was loaded onto the carboxen-polydimethylsiloxane (CAR-PDMS) fiber for the determination of ethylene oxide (EtO) with on-fiber derivatization. For laboratory evaluations, known concentrations of ethylene oxide around the threshold limit values (TLV)/time-weighted average and specific relative humidities (RHs) were generated by syringe pumps in a dynamic generation system. The SPME diffusive samplers and the commercially available 3M 3551 passive monitors were placed side-by-side in an exposure chamber which was designed to allow measurement of face velocities, temperatures, exposing vapor concentrations, and RHs. Field validations with both SPME diffusive sampler and 3M 3551 passive monitors were also performed. The correlations between the results from both SPME device and 3M 3551 passive monitor were found to be linear (r > 0.9699) and consistent (slope congruent to 1.12 +/- 0.07). However, the variations of diffusion coefficients at different temperatures needs to be considered and the adjustment of sampling constant was a must when sampling at temperatures different from 25degreesC. (C) 2003 Elsevier B.V. All rights reserved. |
| 關聯: | JOURNAL OF HUMAN HYPERTENSION 18(2):97-105 |
| 顯示於類別: | [台中附設醫院] 期刊論文
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