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致孔剂选择！ | 3 |
pingyamin |
2/1872 |
滨江渔樵 |
2011-01-13 15:11:02 |
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求助印度专利 | 3 |
pingyamin |
2/557 |
pingyamin |
2009-08-28 20:33:03 |
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文献求助！ | 3 |
pingyamin |
3/441 |
pingyamin |
2009-08-21 08:10:52 |
| |
醇氧化成酸 | 3 |
pingyamin |
7/2302 |
pingyamin |
2009-08-17 15:06:20 |
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文献求助！ | 3 |
pingyamin |
2/516 |
pingyamin |
2009-07-31 13:15:38 |
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求助文献2篇 | 3 |
pingyamin |
2/451 |
pingyamin |
2009-07-31 13:15:20 |
| |
求助美国专利 | 3 |
pingyamin |
2/414 |
pingyamin |
2009-07-17 09:31:21 |
| |
固体光气使用 | 3 |
pingyamin |
4/917 |
pingyamin |
2009-07-11 11:37:21 |
| |
求助文献! | 3 |
pingyamin |
2/966 |
pingyamin |
2009-05-03 14:17:21 |
| |
文献求助！ | 3 |
pingyamin |
2/334 |
pingyamin |
2009-03-27 19:20:48 |
| |
文献求助！ | 3 |
pingyamin |
2/353 |
claymore |
2009-03-22 15:09:35 |
| |
wenxianqiuzhu! | 3 |
pingyamin |
3/514 |
pingyamin |
2009-03-17 09:22:39 |
| |
合成N-碘代丁二酰亚胺 | 3 |
pingyamin |
12/970 |
ha70601348 |
2009-03-03 14:20:16 |
| |
金属离子对聚合反应得影响问题 | 3 |
pingyamin |
3/423 |
ha70601348 |
2009-03-03 14:20:05 |
| |
分离提纯: | 3 |
pingyamin |
11/641 |
ha70601348 |
2009-03-03 14:19:58 |
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文献求助！ | 3 |
pingyamin |
0/596 |
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2009-02-28 09:49:08 |
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文献求助！ | 3 |
pingyamin |
2/420 |
pingyamin |
2009-02-25 12:15:14 |
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怎么算不同压力下的沸点？ | 3 |
pingyamin |
3/555 |
pingyamin |
2009-02-21 00:00:34 |
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求助文献！！！！ | 3 |
pingyamin |
6/502 |
pingyamin |
2009-02-16 15:42:06 |
| |
求助文献！ | 3 |
pingyamin |
5/545 |
pingyamin |
2009-02-15 15:50:58 |
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