摘要:
Gas permeable devices and methods are disclosed for cell culture, including cell culture devices and methods that contain medium at heights, and certain gas permeable surface area to medium volume ratios. These devices and methods allow improvements in cell culture efficiency and scale up efficiency.
摘要:
A vertical axis wind turbine having a plurality of air foils arranged along the periphery of a rotor and moveable with the wind. The air foils configured to capture wind energy from the front of the wind turbine and upon exit. Wind diverters, interior and exterior to the wind turbine, accelerate air flows and minimize turbulences.