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| 1 | Ultrasonic-Vibration-Assisted Pelleting of Switchgrass:Effects of Ultrasonic Vibration显示文摘Biofuels produced from cellulosic biomass can be used to replace petroleum-based transportation fuels. However, the manufacturing cost of cellulosic biofuels is still high, partly due to the low density of cellulosic feed-stocks. Pelleting of cellulosic feedstocks can increase their density, making their transportation and storage as well as biofuel conversion more efficient and, therefore, reducing the overall cost of biofuel manufacturing. It has been shown that ultrasonic-vibration-assisted (UV-A) pelleting, without using high-temperature steam and binder materials, can produce pellets with density comparable to that produced by conventional pelleting methods. Furthermore, the sugar yield of biomass (wheat straw) processed with UV-A pelleting is 20% higher than that of biomass pelleted without ultrasonic vibration. This paper reports an experimental investigation of UV-A pelleting of switchgrass. The influences of ultrasonic vibration on pellet density, stability, durability, and pelleting force are discussed. It is concluded that pellets processed with ultrasonic vibration had higher density and stability than those processed without ultrasonic vibration, they were more durable than those processed without ultrasonic vibration, and pelleting force with ultrasonic vibration was lower than that without ultrasonic vibration. | 丛威龙 裴志坚 张鹏飞 秦娜 DEINES T W 林彬 | 2011 | Transactions of Tianjin University2011，17，5： | 2 |
| 2 | Rotary ultrasonic machining of CFRP composites:a study on power consumption显示文摘 | Cong W L Pei Z J Deines T W | 2012 | Ultrasonics2012，52，8： | 1 |
| 3 | Rotary ultrasonic machining of ceramic matrix composites:feasibility study and designed experiments 显示文摘 | Li Z C Jiao Y Deines T W | 2005 | International Journal of Machine Tools & Manufacture2005，45，： | 1 |
| 4 | Rotary ultrasonic machining of ceramic matrix composites: feasibility study and designed experiments显示文摘 | LI Zhichao JIAO Yue DEINES T W | 2005 | International Journal of Machine Tools and Manufacture2005，45，1213： | 1 |
| 5 | Rotary ultrasonic machining of ceramic matrix composites: feasibility study and designed experiments 显示文摘 | Li Z C Jiao Y Deines T W | 2005 | International Journal of Machine Tools & Manufacture2005，45，1213： | 1 |
| 6 | Rotary ultrasonic machining of CFRP/Ti stacks using variable feedrate显示文摘 | Cong W L Pei Z J Deines T W | 2013 | Composites Part B:Engineering2013，52，： | 1 |
| 7 | Rotary ultrasonic machining of ceramic matrix composites: feasibility study and designed experiments 显示文摘 | LI Z C JIAO Y DEINES T W | 2005 | International Journal of Ma- chine Tools and Manufacture2005，45，1213： | 1 |
| 8 | Rotary ultrasonic machining of CFRP/Ti stacks using variable feedrate 显示文摘 | Cong W L Pei Z J Deines T W | 2013 | Composites Part B : Engineering2013，52，： | 1 |
| 9 | Rotary ultrasonic machining of ceramic matrix composites:Feasibility study and designed experiments显示文摘 | Li Z C Jiao Y Deines T W | 2005 | International Journal of Machine Tools and Manufacture2005，45，12： | 1 |
| 10 | Rotary ultrasonic ma- chining of stainless steels: empirical study of machining variables 显示文摘 | Cong W L Pei Z J Deines T | 2010 | International Journal of Manufacturing Re- search2010，5，3： | 1 |
| 11 | Rotary Ultrasonic Machining of Ceramic Matrix Composites: Feasibility Study and Designed Experiments 显示文摘 | Li Z C Jiao Y Deines T | 2005 | International Journal of Machine Tools and Manufacture2005，45，1213： | 1 |
| 12 | Rotary ultrasonic machining of ceramic matrix composites~feasibility study and designed experiments显示文摘 | Li Z C Jiao Y Deines T W | 2005 | International Journal of Machine Tools and Manufacture2005，45，1213： | 1 |
| 13 | Rotary ultrasonic machining of ceramic matrix composites: feasibility study and designed experiments显示文摘 | Li Z C Jiao Y Deines T W | 2005 | International Journal of Machine Tools & Manufacture2005，，45： | 1 |
| 14 | Rotary ultrasonic machining of ceramic matrix composites: Feasibility study and designed experiments 显示文摘 | LI Zhichao JIAO Yue Deines T W | 2005 | International Journal of Machine Tools and Manufacture2005，45，1213： | 1 |
| 15 | Rotary ultrasonic machining of stainless steels: Empirical study of machining variables 显示文摘 | CONG Wenlong PEI Zhijian Deines T | 2010 | International Journal of Manufacturing Research2010，5，3： | 1 |
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