| ²é¿´: 1973 | »Ø¸´: 11 | |||
| µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû | |||
mldgn6ľ³æ (ÕýʽдÊÖ)
|
[½»Á÷]
methylene chlorideʲôÒâ˼ ÒÑÓÐ10È˲ÎÓë
|
||
| methylene chlorideʲôÒâ˼ |
» ²ÂÄãϲ»¶
ÊÛSCIÎÄÕ£¬ÎÒ:8O5.5.1.O.54,¿ÆÄ¿ÆëÈ«,¿É+¼±
ÒѾÓÐ4È˻ظ´
¿ÆÑÐÈËÓ¦¸Ã»¨¾«Á¦È¥Ë¼¿¼ÈçºÎ½â¾öÎÊÌ⣬¶ø²»ÊÇÈ¥ÄýÁ·ÎÊÌâ
ÒѾÓÐ18È˻ظ´
ÊÛSCIÒ»ÇøT0PÎÄÕ£¬ÎÒ:8.O.55.1.O54,¿ÆÄ¿È«,¿ÉÙ¤¼±
ÒѾÓÐ9È˻ظ´
ÊÛSCIÒ»ÇøT0PÎÄÕ£¬ÎÒ:8O.55.1.O.54,¿ÆÄ¿È«,¿ÉÙ¤¼±
ÒѾÓÐ15È˻ظ´
ÊÛSCIÎÄÕ£¬ÎÒ:8O.5.5.1O.54,¿ÆÄ¿È«,¿ÉÊ®¼±
ÒѾÓÐ5È˻ظ´
ÊÛSCIÎÄÕ£¬ÎÒ:8O5.5.1.O.54,¿ÆÄ¿ÆëÈ«,¿É+¼±
ÒѾÓÐ5È˻ظ´
ÃæÉÏûÖУ¬ÑûÇë¸÷λ·¹ýµÄ³æÓÑ·ÖÎöһϷÖÊý
ÒѾÓÐ13È˻ظ´
Á½¿éʯͷ
ÒѾÓÐ8È˻ظ´
³õÇïµÄ³¿·ç
ÒѾÓÐ6È˻ظ´
ѧ¿ÆÆÀÉó×éÆÀÉóÊÇÖ¸»áÆÀÂð£¿
ÒѾÓÐ9È˻ظ´
JamesZu
Ìú¸Ëľ³æ (ÖøÃûдÊÖ)
- Ó¦Öú: 6 (Ó×¶ùÔ°)
- ½ð±Ò: 7333.4
- É¢½ð: 332
- ºì»¨: 3
- Ìû×Ó: 1091
- ÔÚÏß: 137.1Сʱ
- ³æºÅ: 1522752
- ×¢²á: 2011-12-04
- ÐÔ±ð: GG
- רҵ: ÒÅ´«Ñ§ÓëÉúÎïÐÅϢѧ
11Â¥2013-05-05 19:20:20
jkfxy
½ð³æ (ÖøÃûдÊÖ)
- Ó¦Öú: 12 (СѧÉú)
- ¹ó±ö: 0.024
- ½ð±Ò: 242.1
- É¢½ð: 1504
- ºì»¨: 22
- ɳ·¢: 4
- Ìû×Ó: 1085
- ÔÚÏß: 66Сʱ
- ³æºÅ: 1547972
- ×¢²á: 2011-12-22
- רҵ: µç»¯Ñ§·ÖÎö

2Â¥2013-05-04 16:10:51
Ĉ?
Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)
Ժʿ
- Ó¦Öú: 362 (˶ʿ)
- ¹ó±ö: 0.021
- ½ð±Ò: 8586.3
- É¢½ð: 65
- ºì»¨: 45
- Ìû×Ó: 3288
- ÔÚÏß: 411.5Сʱ
- ³æºÅ: 2441785
- ×¢²á: 2013-04-29
- רҵ: Äý¾Û̬ÎïÐÔ II £ºµç×ӽṹ
|
¶þÂȼ×Íé Õâ¸öÊÇÀý×Ó£º This article is a study of methylene chloride as a substitute for trichloro-fluoromethane in producing flexible polyurethane foam. ÌÖÂÛÁËÓöþÂȼ×ÍéÌæ´úÒ»·úÈýÂȼ×Íé½øÐÐÈíÖʾ۰±õ¥ÅÝÄËÜÁϵÄÉú²ú¡£ |

3Â¥2013-05-04 17:07:02
hookhans
Ìú¸Ëľ³æ (ÖøÃûдÊÖ)
Farmer
- Ó¦Öú: 186 (¸ßÖÐÉú)
- ¹ó±ö: 0.142
- ½ð±Ò: 7889
- É¢½ð: 576
- ºì»¨: 51
- Ìû×Ó: 2095
- ÔÚÏß: 402.1Сʱ
- ³æºÅ: 2260260
- ×¢²á: 2013-01-25
- רҵ: ´ß»¯»¯Ñ§

4Â¥2013-05-04 21:26:17










»Ø¸´´ËÂ¥