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- ·ÒëEPI: 466
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- ×¢²á: 2010-06-14
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ºö±ØÁÒ(½ð±Ò+4, ·ÒëEPI+1): 2010-07-24 22:53:07
ºö±ØÁÒ(½ð±Ò+6): 2010-07-25 00:02:20
ºö±ØÁÒ(½ð±Ò+6): 2010-07-25 00:02:20
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Ñо¿ÁËÔÚ³£Î³£Ñ¹µÄÌõ¼þÏ£¬³¬Éù²¨¸¨Öú±ûËá¶ÔСÂó½Õ¸ÑµÄÔ¤´¦ÀíЧ¹û¡£½á¹û±íÃ÷£¬¸Ã·½·¨µÄ×î¼Ñ¹¤ÒÕÌõ¼þΪ: ÁÏÒº±È10£¬±ûËáŨ¶È3%¡¢´ß»¯¼ÁŨ¶È5%¡¢³¬Éù²¨¹¦ÂÊ300W£¬³¬Éù´¦Àíʱ¼ä30min. The effects of propionic acid on ultrasonic pretreatment of wheat straw at ambient temperature and pressure were studied. The experimental results show that the optimum working conditions are: materials liquid ratio of 10, propionic acid concentration of 3%, catalyst concentration of 5%, ultrasonic power of 300W, and ultrasonic treatment period of 30min. |
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