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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。
- A fertilizer containing phosphorus compounds. 磷肥含有磷化合物的一种化肥
- No animal or plant can exist without phosphorus. 没有一种动物或植物离开磷能够生存。
- Nitrogen forms most of the Earth's air. 地球上空气的大部分成分是氮气。
- The performance of the CMASPFT in biological removals of nitrogen and phosphorus was studied under 3 sludge reflux ratio(SRR). 介绍了多点交替进水五箱一体式工艺的流程与特点,研究了不同污泥回流比下反应器对氮、磷的去除效果。
- They say much of the soil lacks enough phosphorus and nitrogen. 他们说当地的大部分土壤缺乏足够的磷和氮。
- The lamp is full of gaseous nitrogen. 灯里充满了气体氮。
- They say much of the soil lacks enough phosphorus and nitrogen . 这些专家们认为许多土壤都缺少足够的磷和氮。
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。
- 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。
- 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
- 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
- The chemicals include nitrogen, phosphorus, proteins, and carbohydrates! 这些化学物质包括氮、磷、蛋白质及碳水化合物。
- Change of phosphorus and nitrogen concentration in the leakage loss. 渗漏流失氮磷浓度的变化。
- A Research on the Nitrogen and Phosphorus Requirement of Thalassiosira sp. 对氮磷需求量的研究。
