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aiyuanzh
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ÕâÊÇÎÒ×Ô¼º·ÒëµÄ£º Standard Test Method of amine value and primary judgement of Spraying pure Polyurea used for Beijing-Shanghai high-speed railway In this paper, by comparing the different standards and test methods,a standard JIS K 7237-1995 was adopted to determine the amine values of amino-component in polyurea raw materials, polyurea, polyurethane and polyurethane (urea) respectively,and by compare determined amine values of polyurea and polyurethane(urea) used on high-speed railway,correlate the NCO value of component A to amine values of component B to determine the materials used in high-speed railway is pure polyurea or polyurethane(urea). Keywords :polyurea;amine values; Beijing-Shanghai high-speed railway ÓÐÁ½¸öÒÉÎÊ£º 1£¬°ÑAÓëB¹ØÁª£¬ÊÇcorrelate A to B,»¹ÊÇcorrelate A with B? 2,´Ó¶øÅж¨¸Ã¸ßÌúÓòÄÁÏÊÇ(´¿)¾Ûë廹ÊǾ۰±õ¥(ëå)¡£·Òë³Édetermine the materials used in high-speed railway is pure polyurea or polyurethane(urea).ÊÇ·ñÉÙÁËif? 3£¬¾©»¦¸ßÌúÓã¬Õâ¸öÓÃ×Ö·Òë³Éused for£¬»¹ÊÇused on ,»¹ÊÇused in£¿ Öî¶à²»×㣬ÇëÖ¸Õý£¬Ð»Ð» [ Last edited by aiyuanzh on 2009-12-20 at 12:00 ] |

2Â¥2009-12-20 11:58:37
zap65535
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aiyuanzh(½ð±Ò+2,VIP+0):¶àлָ½Ì 12-20 12:26
aiyuanzh(½ð±Ò+2,VIP+0):¶àлָ½Ì 12-20 12:26
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ÎÒÈÏΪ 1. correlate A to B 2.determine whether the materials used in high-speed railway should be pure polyurea or polyurethane(urea). |
3Â¥2009-12-20 12:05:12
zap65535
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aiyuanzh(½ð±Ò+1,VIP+0):¶àлָ½Ì 12-20 12:26
aiyuanzh(½ð±Ò+1,VIP+0):¶àлָ½Ì 12-20 12:26
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¸öÈËÒâ¼û correlate with ²àÖØ×´Ì¬£¨ÓÃÓÚÃèÊöÊÂʵ£© correlate to ²àÖØ¶¯×÷ |
4Â¥2009-12-20 12:15:51
zap65535
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aiyuanzh(½ð±Ò+1,VIP+0):¶àлָ½Ì 12-20 12:26
aiyuanzh(½ð±Ò+1,VIP+0):¶àлָ½Ì 12-20 12:26
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used in ÓÃÓÚijÁìÓò/ij¾ßÌåÊÂÎï Nano particles used in Flu Vaccines. Terms used in Pharmacology used for ÓÃÓÚijĿµÄ £¨Èç use for business purpose£© used on £¬²éµ½×î¶àµÄÓ÷¨ÊÇ used on *** web site ËùÒÔ£¬ÎÒÈÏΪÓÃused in [ Last edited by zap65535 on 2009-12-20 at 12:28 ] |
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