u***************r 发帖数: 11227 | 1 Serving as his thesis advisor, I had a first-hand opportunity to observe the way in which Zhang’s mind works. Zhang addressed himself to the problem of low yield of some biotransformation reaction, which perplexed us for a long time. A tenacity person he is, he never lose heart at any difficulty. To achieve that end, he cautiously scrutinized those intricate factors and gave his hypothesis. To examine his point, he established mathematic model to depict the enzyme-producing process, the most imp |