The influence of substrate concentration on the production of ethanol, and relation between initial concentration and growth of yeasts and the production of eth-anol are investigated. 重点研究了基质浓度对酒精发酵速率的影响及菌体的接种量、增殖与乙醇生成的关系。
Conclusion: the treatment method of Nd: YAG laser coagulation in the ethmoidal nerve and phenopalatine ganglion under nasal endoscope for perennial allergic rhinitis has better effect, simple amputations anol safety. So it has high clinical value. 结论鼻内窥镜下Nd:YAG激光凝固筛前神经及蝶腭神经节治疗常年性变应性鼻炎,具体疗效显著安全、创伤小等优点,有较好的临床应用价值。
The applications of PC level ATSE are introduced, and the problems that should be considered in the practical design anol selection are also given. 主要介绍了PC级ATSE在实际中的应用情况,并提出了在实际设计选用过程中应注意的问题。