Mössbauer effect; recoilless nuclear resonance fluorescence
academic journal; learned journal
power generation efficiency; generating efficiency
measured value; measurement
export value; value of exports
scientific world; world of science; scientific circles; scientific community
utilization rate; capacity factor; utilization factor; coefficient of use
oil-producing countries (nations)
fast pushing (of a button)
daily wages; payment by the day
moving into the black; becoming profitable
logic device; logic circuit
Sorry to impose but ...; Excuse me but ...
big corporation; major firm; leading company