??(polyamine ,PA)???????????????????????????????????????????????????????300?????,1926?????????,????????????????????????1965?Dykotra?Herbst???????????????????????,???????????

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Title:

??(polyamine ,PA)???????????????????????????????????????????????????????300?????,1926?????????,????????????????????????1965?Dykotra?Herbst???????????????????????,???????????

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Title: Author: MS User Last modified by: Lenovo User Created Date: 1/10/2005 1:40:01 PM Document presentation format – PowerPoint PPT presentation

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Title: ??(polyamine ,PA)???????????????????????????????????????????????????????300?????,1926?????????,????????????????????????1965?Dykotra?Herbst???????????????????????,???????????

1
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??(polyamine ,PA)????????????????????????????
???????????????????????????300?????,1926?????????,
????????????????????????1965?Dykotra?Herbst???????
????????????????,???????????

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4
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1.1?????????

5
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7

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10
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13
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14
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15
(No Transcript)
16
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17
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18
3.????????(1993)?Smith(1991)??????

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20
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21
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22
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???????????????????,???5??(H2CN2)?5???(CaCN
2)???????????????5????,????????????????

23
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