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- In addition, as it is more resistant to diseases and insects and has a low nitrogen requirement, less fertilizer and pesticide will be needed in future. 另外,它亦具有更强的抵抗疾病和虫害的能力。其氮需量亦相对较低。所以肥料及除虫剂的使用可在未来加以减少。
- Yin H.Quantitative studies on the nitrogen requirement for the mycelial growth and fruiting initiation of Pleurotus ostreatus[J].Northwest Plant Journal, 1995, 15(6): 91-94. [5]殷红.;氮源浓度对平菇菌丝生长和子实体形成的影响[J]
- Since most textile wastes are deficient in nitrogen required for a balanced biological system. 大多数纺织废水维持生化所需的氮素营养经常不足。
- nitrogen requirement for maintain 维持氮
- Nitrogen Requirement for Maintenance in Shaoxing Ducks 绍鸭氮维持需要量的研究
- 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。
- Sufficient to satisfy a requirement or meet a need. 足够的足以满足要求或需求的
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。
- Our immediate requirement is extra staff. 我们亟需增加工作人员。
- The same requirement holds good for all applicants. 这同一条件适用于所有的申请人。
- For the moment we cannot supply your requirement from stock. 目前我们没有现货供应你方的需求。
- They cannot (choose) but admit that our requirement is reasonable. 他们不得不承认我们的要求是合理的。
- A Comparative Study on Nitrogen Metabolism and Nitrogen Requirement for Maintenance in Roosters and Layers Fed Antibiotic-free Diets 公鸡和母鸡氮代谢及氮维持需要量的比较研究
- Will you sunder nitrogen from air? 你能从空气中把氮气分离出来吗?
- Nitrogen is the most commonly used gas. 氮气是最常用的气体。
- 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?
