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小木虫论坛-学术科研互动平台 » 科研生活区 » English Cafe » Opinion » 【Discussion】anyone could tell me the reasons
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fujuan52121

铁杆木虫 (正式写手)
poyoro(金币+1): 2011-03-23 00:05:57
maybe there is much damp in your drawer. so i think you should keep them from water and air。
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51楼2011-03-02 14:10:26
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zhanglb130

木虫 (职业作家)
something wrong ,
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53楼2011-03-02 16:46:30
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leiking

木虫 (正式写手)
poyoro(金币+1): 2011-03-23 00:06:03
The blank portion is oxidation. The more time goes, the more yellow.
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54楼2011-03-02 21:11:28
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dacheng999

新虫 (初入文坛)
If it's very important,you'll take better care of them.
There have many thing to save in life,take it easy!
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55楼2011-03-04 11:46:12
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yangjie8586

铁虫 (小有名气)
poyoro(金币+5): thanks 2011-03-10 21:18:45


Plants contain cellulose, lignin and pigment. In the papermaking process, the plant stems (such as straw) after alkaline cooking, and pigments dissolved in alkali lignin, was washed to remove, but a rare addition to clean, which still contains a small amount of pulp lignin and pigment. The lignin and pigment under the action of sunlight and air, and gradually changed, making paper, variable; yellow brittle.
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57楼2011-03-06 12:50:09
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zhxl81920

至尊木虫 (职业作家)
楼主好强的表达啊
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58楼2011-03-06 12:58:37
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xuediandongxi

铁杆木虫 (著名写手)
I am wondering if you have bought some new cards?
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59楼2011-03-06 14:25:07
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userhung

禁虫 (文学泰斗)
一般来说见阳光时间长就会变色的哦，再就是接触空气，特别是接触有些带有化学品的空气也会变色，而且还会变色加快的哦~~~
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60楼2011-03-06 22:36:27
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zhouyg666

禁虫 (著名写手)
poyoro(金币+1): en^_^ 2011-03-10 21:16:21
you should keep them in dry and vacuum, then you could keep the color for a long time!
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62楼2011-03-10 15:54:58
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xuediandongxi

铁杆木虫 (著名写手)
poyoro(金币+3): sweat 2011-03-10 21:17:36
Congratulation! You find a good way to let the card be old. Did you remember the comic dialogue which was performed by five actors including Jiang Kun in the Spring Festival Gala organized by CCTV? According to suggestion from the expert on cultrual relic in the programe, you can bury the old cards under ground. The person who finds them in the future about 100 years later will earn a big sum of money.
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63楼2011-03-10 16:46:58
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简单回复
幸福xxxx52楼
2011-03-02 14:18   回复  
cxz-0956楼
2011-03-05 13:58   回复  
引用回帖:
Originally posted by kong我就是我 at 2011-02-25 14:47:20: It's rare and commendable that you could conserve so many cards for so long a time! I dumped them immediately after their missions. May be I should learn from you, they are really memorable! I sug ...

yushuqi61楼
2011-03-10 12:05   回复  
poyoro(金币+10): :rol: honey 2011-03-10 21:15:40
zppzh64楼
2011-03-11 08:38   回复  
panminzi52065楼
2011-12-08 12:41   回复  
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