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- Mode distributing of Nitrogen 氮形态分布
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- The eigen mode distribution of the microcavity is given, and accordingly the monopole mode is chosen and investigated. 根据模式特点, 选择单极子模式作为研究对象。
- It is a novel studied field in organic geochemistry using amount and distribution of nitrogen compounds in crude oils to study petroleum migration. 应用石油含氮化合物分布研究石油运移是目前国内外有机地球化学研究领域的一个新方向。
- Objective The absorption and distribution of nitrogen (N), phosphorus(P), and potassium(K) of Hedyotis diffusa was studied in field tests. 摘要目的在大田条件下研究了白花蛇舌草对氮、磷、钾的吸收分配规律。
- 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?
- The authers made observation and analysis on the accumulation of dry matten and distribution of nitrogen ( N ) , phosphate ( P ) and pota-ssium(K ) of cucumber by mulching plastic film. 通过田间取样、~(15)N示踪、~(32)P根外追肥等手段分析了黄瓜地膜覆盖后干物质的积累与氮、磷、钾的吸收和分配。 覆膜促进了结瓜盛期以前干物质、氮、钾的积累吸收以及结瓜盛期磷素的吸收。
- The crux of the matter was a lack of nitrogen. 问题的关键在于缺少氮。
- The distribution of the magazine is 2000. 该杂志的销售量为2000份。
- Among the blue-green algae are many species of nitrogen fixation. 许多种蓝藻有固氮的能力。
- Urea is commonly used as the source of nitrogen in foliage sprays. 尿素作为氮素给源普遍地应用于叶面喷布。
- origin and distribution of nitrogen 氮的起源和分布
- distribution of nitrogen compounds 含氮化合物类型分布
- Has an atmosphere, which is mainly made up of nitrogen. 它拥有主要由氮组成的大气。
- They could not agree about the distribution of the profits. 他们对于利润的分配意见不一致。
- The amount of nitrogen needed will increase as yield increases. 随着产量增加,需氮量也要增加。
- The discharge amount of nitrogen oxide can reduce 30%. 氮的氧化物排放量减少30%25。
- The Effect of Nitrogen on Beauveria bassiana (Bals.) Vuill. 氮素对球孢白僵菌的影响