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High product titer is considered a strategic advantage of fed-batch over perfusion cultivationmode. The titer difference has been experimentally demonstrated and reported in the literature. However,the related theoretical aspects and strategies for optimization of perfusion processes with respect to theirfed-batch counterparts have not been thoroughly explored. The present paper introduces a unified...
The bulk of the studies conducted on the effectiveness of teacher comments and peer comments have been done with tertiary L2 learners, and conflicting findings have been obtained. While some found that peer comments were viewed with skepticism and induced little revision, others found that they did help learners to identify and raise awareness of their strengths and weaknesses in writing. This article...
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