Biomass pellet machine solid fuel low ash low sulfur, nitrogen oxides, sulfur dioxide, carbon dioxide and soot particle emissions is far less than coal-fired power generation.
生物质颗粒机固体燃料低灰低硫，氮氧化物、二氧化硫、二氧化碳以及烟尘颗粒的排放远低于燃煤发电。
2
Other atmospheric pollutants such as oxidants and sulfuroxides may produce adverse cardiovascular effects, but the evidence is limited.
其他空气污染物，如氧化剂、硫氧化物可能对心血管产生有害影响，但这方面证据不多。
3
Oxides of carbon, sulfur, nitrogen and halogens are serious environmental pollutants produced by the productive and social activities of humans.