Valsts valodas centra izstrādātie vides zinātņu, zemes zinātņu un fiziskās ģeogrāfijas termini

Konteksts: [..] Different coal combustion technologies show different magnitudes of fly-ash generation: grate-firing boilers 20 to 40 %; fluidised-bed combustion 15 %; dry bottom boilers (pulverised coal combustion) 70 to 100 % of total ash. The heavy metal content in the small particle size fraction of the fly-ash has been found to be higher [..]
Avots: Protocol to the 1979 Convention On Long-Range Transboundary Air Pollution On Heavy Metals