Sentence examples for low efficiencies from inspiring English sources

J V characteristics and photoaction spectra indicated very low efficiencies mainly determined by an efficient recombination of photo-injected electrons with both PEDOP acceptor states and oxidized sensitizers.

Unfortunately, air-cooling presents phenomenally low efficiencies.

The down side is that nano-photovoltaics currently have very low efficiencies.

Other catchers suffer from the same low efficiencies.

Low efficiencies and week-to-month-long protocols often give rise to mixed cultures requiring a second purification step.

This is a particular problem for machines built from off-the-shelf systems which often have very low "efficiencies".

The problem, however, is that thin-film solar cells made of amorphous silicon tend to have extremely low efficiencies compared to thicker, crystalline silicon photovoltaics.

Until now, however, these batteries have had low efficiencies and short life cycles, limiting their use to small, nonrechargeable applications such as hearing aids.

Mr. Symanski, of the Electric Power Research Institute, said that such low efficiencies made sense only in the obscure logic of the digital infrastructure.

In the office buildings, large energy is consumed due to poor thermal performance and low efficiencies of HVAC systems.

Routes to produce H2 are discussed, though critical issues such as storage, expensive production routes with low efficiencies remain.