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汉语拼音：yǎng huà dàn

氮与氧的化合物。主要有一氧化二氮、一氧化氮、三氧化二氮、二氧化氮和五氧化二氮等。一氧化二氮又称笑气”，用作麻醉剂；一氧化氮是无色气体，在空气中立即与氧结合生成二氧化氮；二氧化氮为红棕色气体，有毒，有强烈的刺激性气味，为强氧化剂。由一氧化氮氧化或用硝酸铅加热分解而得。用作氧化剂、催化剂或有机物的硝化剂。

• The detector tube is filled with nitric oxide.

  检测管中充满了氧化氮.

• It is the result of sunlight reacting with hydrocarbons and nitrogen oxides in the atmosphere.

  它是阳光与大气中的碳化氢和氧化氮作用的结果.

• In the spark - ignition engine, recirculating some of the exhaust gas reduces the emission of nitrogen oxides.

  在火花点火的发动机中, 再循环的一部分废气减少了氧化氮的有害污染物.

• Changes in sensory perception are the most sensitive indicators of the presence of nitrogen dioxide.

  感觉的改变是二氧化氮存在的最灵敏的标志.

• Under the pathology conditions, excessive nitric oxide can induce nerve injury.

  在病理条件下, 过量的一氧化氮可引起神经损伤.

• Nitrous oxide comes from car exhausts and from chemical fertilizers.

  一氧化氮来自汽车废气和化学肥料.

• Soma and dendrite of NOS neurons were similar in each group.

  各组大鼠一氧化氮合酶阳性神经元的胞体和树突均相似.

• The formula suggests that blood stasis degree ( BSD ) changes with power - function.

  该模型显示,从内皮素、一氧化氮角度建模,血瘀度呈幂函数形势变化.

• They added nitric oxide to the stored blood given to the dogs.

  他们向提供给狗的库存血液中添加了氧化氮.

• The NO 2 concentration in Guangzhou, Beijing and Shanghai was comparatively fairly high.

  广州 、 北京、上海等特大城市,二氧化氮浓度相对较高.

• Nitric oxide is a gas found in red blood cells.

  氧化氮是一种在红血球中发现的气体.

• DHG single appeared to be also significantly increased ( P & lt; 0.05 )

  阿胶单用亦可明显提高染铅大鼠海马一氧化氮 ( P & lt; 0.05 ).

• The iNOS mRNA levels was determined by using RT - PCR .

  RT -PCR 方法测定诱导型一氧化氮合酶(iNOS)mRNA水平.

• Purify NOx , SOx, Volatile Organic Compounds ( VOCs ) and various bad odor.

  净化氧化氮 、 氧化硫 、 挥发性 的氧化物和各种恶臭气味.

• Serum HGF, plasma ET and serum NO were determined before and after treatment.

  分别测定基线及海捷亚治疗后血清HGF 、 血浆内皮素(ET) 和血清一氧化氮(NO)水平.