The chemicals are produced as a gas to boost the plant's biochemical defences, say scientists from the National Center for Atmospheric Research in Colorado.
美国科罗拉多国家大气研究中心的科学家说，这种化学物可以提升植物的生物化学屏障。
Process of biochemical wastewater treatment, general situation and operation after treatment of liquefied petroleum gas bulk plant are adumbrated.
文章简单介绍了液化石油气储灌场的废水生化处理的工艺流程、改造后的工程概况和操作运行。
The chemical composition of the gas indicates that it was formed by biochemical action in the early stage of diagenesis.
天然气化学成分表明，其为成岩作用早期生物化学作用所形成。
With regard to the treatment for wastewater which contents 3% methanol, domesticate bacteria biochemical treatment and gas producer treatment are both introduced.
简介了用驯化菌种生化处理和用固定床煤气发生炉处理含3%甲醇废水的技术。
The visible components, biochemical and blood gas changes between the two groups were compared.
对两组血液在有形成份、生化及血气方面进行比较。
According to reservoir geologic, engineering, development and biochemical analysis result, it had been decided to inject gas-mixed nutrient to activate the growth of indigenous microorganism.
根据油藏地质和工程、开发状况及生化参数分析结果，确定了注入混气营养物激活本源微生物生长来提高采收率试验方案。
The biochemical indicators and arterial blood gas were checked during the study.
比较两组治疗前后动脉血气结果及临床症状等观察指标。
The biochemical indicators and arterial blood gas were checked during the study.
比较两组治疗前后动脉血气结果及临床症状等观察指标。
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