The present invention raises the burning efficiency greatly and realizes no smoke burning completely.

本发明极大地提高燃烧效率，完全实现无烟燃烧。

youdao

Whereas some of these changes are intended mainly to increase the productivity of existing plants, completely new technologies for burning coal cleanly are also being developed.

虽然某些技术改进是渐进的，其目的只是提高现有电厂的生产率，但人们正在开发全新的清洁燃煤的技术。

youdao

Whereas some of these changes are evolutionary and are intended mainly to increase the productivity of existing plants, completely new technologies for burning coal cleanly are also being developed.

虽然某些技术改进是渐进的，其目的只是提高现有电厂的生产率，但人们正在开发全新的清洁燃煤的技术。

youdao

That's still big enough potentially to produce meteorites -- which are meteoroids, or fragments thereof, that do manage to hit the Earth -- before burning completely.

CNN: Meteor lights up East Coast -- and social media

Police are out on the streets but seem outnumbered and unable to completely stop the burning and looting, Norgaard observed.

CNN: Kenya president narrows poll gap

Meanwhile, other completely different approaches involve burning coal in pure oxygen (oxyfuel), or turning it into a mixture of carbon monoxide and hydrogen, which is then burned.

BBC: Whatever happened to carbon capture?