Tracheotomy
发表于 2025-3-28 15:00:54
Polymerization with Formaldehyde,nto a white powder called paraformaldehyde:..where . is usually about 10. Under alkaline conditions, .-formaldehyde can easily depolymerize into a gas. It also depolymerizes in presence of water and formalin is formed.
Migratory
发表于 2025-3-28 21:42:36
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柏树
发表于 2025-3-29 02:10:03
Polyester Reactors,ted polyester resin usually consists of a polymerizable ethylenic monomer and a polyester prepared from a glycol and a dibasic acid or an anhydride. In the following, the engineering aspects of PET formation are considered first.
Catheter
发表于 2025-3-29 06:17:50
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Generic-Drug
发表于 2025-3-29 07:14:42
Nylon Reactors,ms per repeat unit and is made from .-caprolactam, nylon 12 {H.NH-(CH...-CO..-OH}, having 12 carbon atoms in the repeat unit, and made from the lactam of 12-amino dodecanoic acid, etc. The single index used in describing these nylons indicates the number of carbon atoms in the repeat unit.
杂役
发表于 2025-3-29 15:11:08
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键琴
发表于 2025-3-29 16:44:25
1566-7944 ogether this book. Rather than offer a comprehensive treatment of the entire field, thereby duplicating earlier texts as well as some ongoing bookwriting efforts, we decided to narrow down our aim to step growth polymerization systems. This not only provides us the lUxury of a more elaborate present
抗生素
发表于 2025-3-29 23:29:41
The Plenum Chemical Engineering Serieshttp://image.papertrans.cn/r/image/821840.jpg
轻浮女
发表于 2025-3-30 03:02:30
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有帮助
发表于 2025-3-30 06:28:51
978-1-4612-9008-7Plenum Press, New York 1987