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- 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。
- SPAD Value of Cotton Leaves on Main Stem and Nitrogen Diagnosis for Cotton Growth 棉花主茎叶SPAD值与氮素营养诊断研究
- The lamp is full of gaseous nitrogen. 灯里充满了气体氮。
- Study on the Nitrogen Diagnosis of Transplanting Maize Recomme nation of Nitrogen Fertilizer as Top Dressing 移栽玉米的氮素诊断及追肥推荐研究
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。
- The engineer made a complete diagnosis of the bridge's collapse. 工程师对桥的倒塌做一次彻底的调查分析。
- The two doctors made different diagnosis of my disease. 两位医生对我的病作出了不同的诊断。
- Will you sunder nitrogen from air? 你能从空气中把氮气分离出来吗?
- We waited in great suspense for the doctor's diagnosis. 我们焦急万分地等候医生做出诊断。
- Plant nitrogen diagnosis 叶位差异指数
- 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。
- A radioactive compound used in radiotherapy or diagnosis. 放射性药剂一种用于放射性治疗或诊断的放射性化合物
- 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?
- Fast neutrons are also captured by nitrogen. 快中子也可以被氮吸收。
- A physician specializing in the diagnosis and treatment of allergies. 过敏症专家过敏症诊断和治疗的专科医生
- Nitrogen forms four-fifths of the atmosphere. 氮气占空气的五分之四。
- Assistance in diagnosis is provided by serology. 血清学提供辅助诊断。
