a portion of the nitrogen source is lost by offgassing 中的off
a portion of the nitrogen source is lost by offgassing 中的offgass是什么意思? a portion of the nitrogen source is lost by offgassing 中的offgass是什么意思.【Biochemical Engineering Journal杂志中Repeated fed-batch cultivation of Arthrospira (Spirulina) platensis using urea as nitrogen source一文】