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- Through flask culture,research Lentinula edods submerged culture optimum fermentation time,the optimum carbon,nitrogen and optimum best quality carbon and nitrogen ratio. 通过摇瓶培养,研究香菇液体深层培养最适发酵培养时间、最适碳源、最适氮源及最佳碳源与氮源质量配比。
- Implementation of the scheme has resolved the problems on difficult hydrogen nitrogen ratio estimation and difficult control, it has apparent economic and social benefit and worth extend. 该方案实施后,解决了操作人员在实际操作过程中对氢氮比判断难、控制难的问题,具有明显的经济、社会效益及推广价值。
- essential amino acid/total nitrogen ratio 必需氨基酸与总氮比率
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- Nitrogen forms most of the Earth's air. 地球上空气的大部分成分是氮气。
- The lamp is full of gaseous nitrogen. 灯里充满了气体氮。
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。
- Discussion of Sampled Data Control System Scheme of Hydrogen Nitrogen Ratio in Synthetic Ammonia 合成氨氢氮比采样控制系统方案讨论
- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- Keywords All LTS integrated methanol production adjustment with microcomputer hydrogen nitrogen ratio; 全低变;联醇;微机调节;氢氮比;
- Men outnumber women here in the ratio of three to one. 此地男子数量以三比一超过女子。
- The first or last term of a ratio or a series. 首项，末项比率或数列中第一个或最后一个项
- Will you sunder nitrogen from air? 你能从空气中把氮气分离出来吗?
- After-tax profit margin is the ratio of net income to net sales. 税後利润率指净收入与净销售之比。
- Nitrogen is the most commonly used gas. 氮气是最常用的气体。
- The ratio of men to women was two to one. 男女的比例是二比一。
- Sample gas tubes are flushed with nitrogen. 采气管得用氮气吹扫。
- The main reservoir of nitrogen is the atmosphere. 氮的主要蓄存库是大气层。
- What is the percentage of nitrogen in air? 空气中所含的氮的比例是多少?
