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History
- March 1, 2015.
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The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. All rights reserved. No reuse allowed without permission.
Author Information
- 1Technical Center for Safety of Industrial Products, Tianjin Entry-Exit Inspection Quarantine Bureau, No.2 Dong Wu Road Airport Economics Area Tianjin, 300308, Tianjin, China.
- 2Beijing Entry-Exit Inspection Quarantine Bureau, No.6 Tian Shui Yuan Street Chaoyang District Beijing, 100026, Beijing, China.
- Corresponding author: Zhuo Zhao, Email: zhaozhuo{at}tjciq.gov.cn, Tel: +86-22-84978090, Fax: +86-22-84978180.