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Solar Cell Polymers with Multiplied Electrical Output（图）
Solar Cell Polymers Multiplied Electrical Output
2015/1/20
UPTON, NY — One challenge in improving the efficiency of solar cells is that some of the absorbed light energy is lost as heat. So scientists have been looking to design materials that can convert mor...
NEW CONCEPT OF ELECTRICAL DRIVES FOR PAPER AND BOARD MACHINES BASED ON ENERGY EFFICIENCY PRINCIPLES
paper machine energy efficiency electric drive
2009/10/13
In this paper, it is described how the reconstruction of the facility of paper machine has been conducted, at the press and drying part of the machine in June 2001., as well as the expansion of the Pa...