Oxygen in short supply makes metabolism of carbon and nitrogen weak, which is unfavourable to synthesis of penicillin.
一旦反应器供氧不足，菌体碳、氮源代谢能力减弱，不利于青霉素合成。
The catalysts were used for direct synthesis of hydrogen peroxide from hydrogen and oxygen.
用于催化氢气和氧气直接合成过氧化氢的反应。
The influenced factors of denovo synthesis of dioxins may be carbon, chlorine, oxygen, water, nature of the ash's surface, temperature, residence time, catalyzer and inhibitor, etc.
影响二恶英从头合成的因素有碳源、氯源、氧气、水、颗粒表面特性、温度、停留时间、催化剂和抑制剂等。
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