Sentences with phrase «less oxygen present»
They also have less oxygen present in the material.
http://blog.aurorasolar.com/ Not exact matches
Simple sponges can live with 200 times less oxygen than present atmospheric levels, supporting the idea that animals evolved before oxygen - rich oceans
«In small metal particles, where less hydrogen was present, the reaction stopped after removing one oxygen to yield carbon monoxide.»
Soot - Particles formed during the quenching of gases at the outer edge of flames of organic vapors, consisting predominantly of carbon, with lesser amounts of oxygen and hydrogen present as carboxyl and phenolic groups and exhibiting an imperfect graphitic structure.