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| Another important form of carbon is pyrolytic graphite (PG), so called because it is prepared by high-temperature decomposition of gaseous hydrocarbons on a hot surface, which is anisotropic and has a slightly higher density than natural graphite. If this is pressure annealed at high temperature it turn into highly ordered pyrolytic graphite (HOPG), which highly anisotropic as shown in Table |
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2Â¥2015-04-23 22:00:59

3Â¥2015-04-24 07:48:11

4Â¥2015-04-24 13:01:14
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ÖÁ×ðľ³æ (ÖøÃûдÊÖ)
- ·ÒëEPI: 68
- Ó¦Öú: 135 (¸ßÖÐÉú)
- ¹ó±ö: 1.097
- ½ð±Ò: 14467.1
- É¢½ð: 3921
- ºì»¨: 102
- ɳ·¢: 3
- Ìû×Ó: 2121
- ÔÚÏß: 396.8Сʱ
- ³æºÅ: 1783324
- ×¢²á: 2012-04-27
- ÐÔ±ð: GG
- רҵ: »·¾³¹¤³Ì

5Â¥2015-04-24 20:19:14

6Â¥2015-04-27 12:53:15
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- ·ÒëEPI: 68
- Ó¦Öú: 135 (¸ßÖÐÉú)
- ¹ó±ö: 1.097
- ½ð±Ò: 14467.1
- É¢½ð: 3921
- ºì»¨: 102
- ɳ·¢: 3
- Ìû×Ó: 2121
- ÔÚÏß: 396.8Сʱ
- ³æºÅ: 1783324
- ×¢²á: 2012-04-27
- ÐÔ±ð: GG
- רҵ: »·¾³¹¤³Ì

7Â¥2015-04-27 13:29:24

8Â¥2015-04-27 22:51:52













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