氮源的英文：
nitrogen source

參考例句：
  • Most, if not all fungi can dispense with inorganic sources.
    即使不是全部亦是大多數(shù)真菌可省去無機(jī)氮源。
nitrogen是什么意思：
n. 氮
  • Nitrogen narcosis (or nitrogen euphoria or raptures of the deep)：Effects of breathing nitrogen under increased pressure.
    氮麻醉(亦稱氮欣快或深水銷魂):在壓力增高的條件下吸入氮?dú)馑a(chǎn)生的生理效應(yīng)。
  • Nitrogen as a plant nutrient is treated in a great number of publications.
    人們對(duì)植物營(yíng)養(yǎng)中的氮素研究已發(fā)表相當(dāng)大量的報(bào)告。
  • Elemental nitrogen is a very unreactive and inert material.
    元素氮是一個(gè)十分不活躍的惰性物質(zhì)。
  • Cyanide can serve as precursor for the amide nitrogen of asparagine
    氰化物可以作一個(gè)天門冬酰胺的酰胺氮前體。
  • There is plenty of nitrogen in the air but it cannot be absorbed directly by the plants.
    空氣中有大量的氮，但植物不能直接吸收。
source是什么意思：
n. 來源，出處；原始資料；原因；發(fā)源地
  • They are trying to trace the source of the trouble.
    他們正設(shè)法找出這件麻煩事的起因。
  • Where is the source of the Nile?
    尼羅河發(fā)源于何處？
  • Is the water polluted at source?
    河水是在源頭受到污染的嗎？
  • We understand that sourcing is not static.
    我們明白采購(gòu)不是一成不變的。
  • Religion is not the only source of division.
    宗教問題并不是分裂的唯一來源。

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