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(antiion),ultra-film filtering (micro-filtering) and technology of ultrahigh temperature(UHT)sterilization.Key words¡¡oolong tea;reasons of sedimentation;methods of settlement ²èÒûÁÏÔÚ¹ú¼ÊÊг¡ÖÐÒÑÓÐ10¶àÄêµÄ·¢Õ¹ÀúÊ·¡£ÎÒ¹úµÄҺ̬ÉÌÆ·²èĿǰҲÓÐÁËÒ»¶¨µÄ·¢Õ¹¡£´«Í³µÄÒû²è·½Ê½ÎªÈÈÒû£¬²»ºÈ¸ôÒ¹²è£¬ÕâÊÇÒòΪ²èµÄ³É·ÖÒ×±»Ñõ»¯£¬¶øÉÌÆ·²è²»±»Î¢ÉúÎïÎÛȾ£¬¶ÔÈËÌåÎÞº¦ÇÒ·½±ã¡£Èç½ñ£¬²èÒûÁϵĿª·¢ÒѳÉΪÎÒ¹úÒûÁÏÊг¡µÄг±Á÷¡£ ²ÄÁÏÓë·½·¨ 1.1¡¡²ÄÁÏÓëÒÇÆ÷ ²èÒ¶¡¡¸£½¨²úÎÚÁú²è¡£²ÉÓòèÒ¶¡úÔ¤´¦Àí¡úÌáÈ¡¡ú¹ýÂË¡úÀäÈ´¡ú¾«ÂËÖÆ±¸²è½þ³öÒº£¬ÆäÖ÷Òª×é³É³É·ÖΪ£º²è¶à·Ó20%£¬¿§·ÈÒò3.5%£¬»ÆÍª´¼Àà0.65%£»ËÙÈܲè·Û¡¡²ÉÓôóÃöʳƷÓÐÏÞ¹«Ë¾¶³¸É²è·Û£¬ÆäÖ÷Òª×é³É³É·ÖΪ£º²è¶à·Ó2.3%£¬¿§·ÈÒò24.0%£»ÔË®¡¡Î´×÷´¦ÀíµÄ±¾µØÇø¾®ÏÂË®£¬ÆäË®Öʲ¿·Ý×é³ÉΪCa2+37.7mg/L,Mg2+16.7mg/L;×ÜÓ²¶È163mg/L;ÔÝʱӲ¶È163mg/L;¿ó»¯¶È447mg/L;pH7.75£¬×ܼî¶È220mg/L,µçµ¼ÂÊ560us/cm£»´¦ÀíË®¡¡Ë®´¦Àí¹¤ÒÕ£ºÔË®¡úʯӢɰ¹ýÂË¡úÑô¡¢ÒõÀë×Ó½»»»¡ú³¬ÂË¡£ÆäË®ÖÊ×é³É³É·Ý¾ù·ûºÏ´¿Ë®±ê×¼Ö¸±ê¡£ ºãÎÂÅàÑøÏ䣬Ëá¶È¼Æ£¬Õñ¶¯Ì¨£¬·Ö¹â¹â¶È¼Æ¡£ 1.2¡¡PETƿװÎÚÁú²èÒûÁÏÉú²ú¹¤ÒÕ ÌÇ¡¢Ëá¡¢²èÖ÷¼Á¡ú³õ¹ýÂË¡úµ÷Åä¡ú¹ýÂË¡úUHT¡úÎÞ¾ú¹à×°¡ú·â¿Ú¡úÀäÈ´¡ú×°Ïä ¡¡¡¡ 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