Sentences with phrase «external electrical source»

This exhibition can not accept video, film, performance art, installation and works requiring an external electrical source.

This exhibition can not accept jewelry, video, film, performance art, installation and works requiring an external electrical source.

Not exact matches

External Power: Are you traveling with access to an external power source like an electrical outlet, or a geExternal Power: Are you traveling with access to an external power source like an electrical outlet, or a geexternal power source like an electrical outlet, or a generator?

Previously, researchers have produced hydrogen gas in microbial - powered, batterylike fuel cells, but only when they supplemented the energy produced by the bacteria with electrical energy from external sources — such as that obtained from renewable sources or burning fossil fuels, says Bruce Logan, an environmental engineer at Pennsylvania State University, University Park.

But these prototypes are limited: Either they need an external power source to generate the many kilovolts required for the electrical discharge, or they need an external gas supply and regulation to sustain the plasma.

So, the fact that the Sun is spatially «external» to the Earth greenhouse blanket is just as irrelevant to the location of the effective heat source (where actual heat is being produced) as is the fact that the power plant that generates the power for your electrical house heating system is «external» to your house.