Research into hydroxyapatite's proton conductivity resulted in the diffusion path and conduction mechanism of the mineral, allowing for potential use as developmental material for energy conversion devices.
42.
The vehicle's fuel cell, a Ballard Mark 902 Fuel Cell System, is an energy conversion device that converts chemical energy to electrical energy using hydrogen and oxygen.
43.
Troy-based Energy Conversion Devices, Inc . fell 1 1 / 16 to 15 1 / 2 after reaching a new high of 17 5 / 8 yesterday.
44.
Energy Conversion Devices Inc ., a Troy-based maker of thermoelectric devices, also contributed to the index's decline, falling 1 1 / 8 to 12 1 / 2.
45.
Declining shares were led by Energy Conversion Devices Inc ., a Troy-based electrical products maker, whose shares fell 1 3 / 8 to 14 1 / 4.
46.
Michigan stocks edged up slightly, led by MascoTech Inc . and Energy Conversion Devices Inc ., offsetting losses in First Chicago NBD Corp . and Gentex Corp.
47.
Industry officials said Michigan-based Royal is a joint venture between General Motors Co . and Energy Conversion Device, which makes color liquid-crystal displays and batteries for electric cars.
48.
Texaco and Energy Conversion Devices Inc . announced Wednesday that they will spend more than $ 150 million to mass produce advanced batteries that power hybrid and electric vehicles.
49.
TPV cells have often been proposed as auxiliary power conversion devices for regeneration of lost heat in other power generation systems, such as steam turbine systems or solar cells.
50.
Michigan stocks rose for the fifth day, led by electronic parts manufacturer Energy Conversion Device Inc ., mobile home company Champion Enterprises Inc . and book seller Borders Group Inc.
