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    nitrogen查询结果如下:

    音标:['naɪtrədʒən]
    名词复数:nitrogen 词频:高频常用词

    基本释义/说明: n.氮;氮气(符号 N)*
    详细解释 双语句典 英文释义 韦氏词典 英文百科 wiki词典 英文网搜
    n.
    氮;氮气(符号 N)*;
    the nitrogen cycll
    【生】氮气循环.
    nitrogen dioxide
    二氧化 (一)氮.
    图典解说
    Gas that constitutes about 78% of the Earth′s atmosphere, present in all animal and vegetable tissue...
    -扩展释义
    n. 【能源工程】
    氧、硫
    n. 【医学】 【医学】
    氮素
    -nitrogen的不同词性形态

    形容词 变体/同根词

    Describing certain bacteria that oxidize ammonia to nitrite and nitrate in the soil
    “This oxygen may also support nitrifying bacteria that convert ammonia to nitrate.”
    “The soil must be well ventilated to supply nitrogen for the nitrogen-fixing germs and oxygen for the nitrifying germs.”
    “To do their work well the nitrogen-fixing germs and the nitrifying germs require certain conditions.”
    nitric
    同义词: azotic
    Of, pertaining to, or containing, nitrogen.
    “The last step of adipic acid synthesis involves nitric acid oxidation, resulting in the formation of nitrous oxide as a byproduct.”
    “In these reactions the ozone reacts with nitric oxide to produce nitrogen dioxide.”
    “The absorbency of nitric acid ions in the solution is measured using UV absorptiometer at a wavelength of 220 nm.”
    nitrogenous
    同义词: nitrogenic
    of, relating to, or containing nitrogen
    “As a result, excretion of nitrogenous waste is reduced, and fluid and electrolyte balances cannot be maintained.”
    “The majority of these signals can be assigned to amino acids and to nitrogenous metabolites derived therefrom.”
    “In its tautomeric state, a nitrogenous base cannot pair with its normal partner.”
    Without nitrogen.
    (chemistry) containing, or yielding nitrogen

    名词 变体/同根词

    nitrogens
    同义词: azote
    nitrogen的复数形式
    “As a result, the deaminated product, urocanate, is not the usual a-keto acid associated with loss of a-amino nitrogens.”
    “These man-made compounds have a ring of six carbons joined to a 7-member ring with 5 carbons and 2 nitrogens indicated by diazo.”
    “The free-base form of such porphyrins contains two pyrrole nitrogens.”

    动词 变体/同根词

    (transitive) To treat with nitrogen or a nitrogen compound.
    (transitive) to treat something with nitrogen gas, especially with the intent of replacing gaseous oxygen || (chemistry) to react something with nitrogen
    (transitive) To treat, or react with nitrogen or a nitrogen-containing compound. || (transitive) To convert ammonia or similar compound to a nitrate by oxidation, especially by the action of a microorganism. || (intransitive) To become nitre.
    “A thin layer of solution will nitrify sooner than a deep layer, owing to the larger proportion of oxygen available.”
    “Nitrification occurs as ammonium ions adsorbed to media and biofilms during the flooded phase rapidly nitrify upon exposure to atmospheric oxygen during the drained phase.”
    “If you don′t nitrify, you have ammonia in the water, and ammonia is a problem with surface waters because it can be toxic to aquatic life,′′ Hajas explained.”
    词组

    ring nitrogen

    n.环中的氮,环中的氮原子

    属类:化学及生命科学

    -化学 - -

    soluble nitrogen

    n.可溶性氮

    属类:自然科学

    -地质学 - -

    residual nitrogen

    剩余氯

    属类:化学及生命科学

    -化学 - -

    carbon nitrogen cycle

    碳氮循环

    属类:机械模具

    -机械 - -

    carbon-nitrogen ratio

    碳一氮比率,C—N率

    属类:化学及生命科学

    -医学 -医学 -

    nitrogen assimilation

    氮素同化,氮同化

    属类:工程技术

    -原子能工程 - -

    nitrogen desaturation

    排氮,从体内排除氮气

    属类:机械模具

    -机械 - -

    nitrogen case hardening

    n.表面渗氮淬火

    属类:机械模具

    -机械 - -

    synthetic fixed nitrogen

    n.合成固氮,合成固定氮

    属类:化学及生命科学

    -化学 - -

    nitrogen laser pumped dye laser

    氮激光抽送染色激光器

    属类:行业术语

    -电信 - -

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