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Since 1990s, rechargeable Li-ion batteries have been widely used in consumer electronics such as cell phones, global positioning systems (GPS), personnel digital assistants (PDA), digital cameras, and...
The exact measurement of the fill level is the key and basic problem for automatic control and optimized operation of the coal pulverizing system. Because the ball mill pulverizing system is non-linea...
Up to now, the accurate measurement of the fill level in the ball mill hasn’t been resolved because of the interplay of many variable factors, which led the mill to be operated under the uneconomical ...
February 7, 2007,ALBUQUERQUE, N.M. — A new wind turbine blade design that researchers at Sandia National Laboratories developed in partnership with Knight & Carver (K&C) of San Diego promises to be mo...

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