Acclimatization and detachment of dominant degradation bacteria from gas - making plant ' s phenolic wastewater
Time, in her flight, drops these fine old feathers. they discussed the collieries. clifford s idea was, that his coal, even the poor sort, could be made into hard concentrated fuel that would burn at great heat if fed with certain damp, acidulated air at a fairly strong pressure
It is the handwheel adjustment of the kerosene stove wick.
The result of experiment shows that und er the conditions of proper ai r - entraining, concrete with 20 % fly ash has excellent frost - resistance. the frost - resistance of concrete with 55 % fly - ash which is admixed with united expansive agent ( uea ) has been improved greatly. the frost - resistance of sulfate aluminate cement concrete with high volume of fly - ash is dramatically lower than that of silicate cement concrete with the same volume of fly - ash
Study and application of treatment technology for aerobe in domestic sewage in coal mine