烟雾中的二氧化氮诱导种子发芽。
Nitrogen dioxide in the smoke induces the seeds to germinate.
二氧化氮是汽车排放的一种污染物。
然而，在汽车交通繁忙的地区，种子在没有火灾的情况下借助汽车尾气提供所需的二氧化氮发芽。
In areas with heavy automobile traffic, however, the seed germinates in the absence of fire, with automobile exhaust supplying the required nitrogen dioxide.
尽管在Donia的首都城市，新车的比例一直相对较高，那里的二氧化氮排放量自1993年以来仅略有下降。
Although the proportion of new cars in Donia's capital city has always been comparatively high, nitrogen dioxide emissions there have shown only an insignificant decline since 1993.
一氧化氮合酶活性也可能导致随后的冠状液环化酶和PKG的激活。
Nitric oxide synthase activity may also result in the subsequent activation of guanylyl cyclase and PKG.
目的是通过小型猪复方麻醉剂（XFM）来研究乙胺噻吩环己酮对一氧化氮（NO）的一氧化氮合酶（NOS）的作用。
The objective is to investigate the effects of tiletamine on NO and NOS by XFM.
氮化物一氧化氮也是温室气体的一种。
我说，NO也是一氧化氮啊。
他们发现了抑制一氧化氮并阻止血液流动的途径。
They discovered a pathway that inhibits nitric oxide and thus impedes blood flow.
他们发现了抑制一氧化氮并阻止血液流动的途径。
They discovered a pathway that inhibits nitric oxide and thus impedesblood flow.
如果一氧化氮是必须的，那么在输血前添加即可。
If nitric oxide is what is needed, it can be added to banked blood just before transfusion.
几天之后，最多90%的一氧化氮会丧失。
为繁殖产生氧化氮的细菌，必须消除某些氧。
You have to remove some oxygen to do it, so that nitrous oxide-producing bacteria can thrive.
他和他班上一些大学生想利用氧化氮作为无排放的动力能源。
He and some of his grad students wanted to use nitrous oxide as an emissions-free energy source.
氧化氮排放量：1800万吨(30%来自汽车)。
Nitrogen oxide emissions: 18 million tonnes (30% from vehicles).
氧化氮动力火箭排出的副产品只不过是纯净的热气体。
The nitrous-powered rocket's only byproduct is hot, pure air.
作为一种空气污染物，二氧化氮具有几个相关联的活动。
他发现在扩张血管方面补充了一氧化氮的血液和新鲜血液一样有效。
He found that old blood replenished with nitric oxide is as good as fresh blood at relaxing blood vessels.
甲烷是这些气体的最重要部分，然后才是黑碳和一氧化氮。
Methane is the most important of these gases, followed by black carbon and nitrous oxide.
内皮细胞可以释放一种保护我们血管的神奇气体分子——一氧化氮。
Endothelial cells manufacture a magical protective molecule of gas called nitric oxide, which protects our blood vessels.
Stamler医生因此怀疑一氧化氮的缺乏就引发输血问题的元凶。
Dr Stamler thus wondered if a lack of nitric oxide was causing the problems associated with transfusions.
问题是如何处置氧化氮副产品，这对环境污染远比氮气更严重。
The problem has been how to dispose of the nitrous oxide byproduct, which is far worse for the environment than nitrogen.
通过扩张深入组织的动脉血管，一氧化氮增加了流向组织的血液。
Nitric oxide increases the flow of blood to tissues by dilating the arteries that penetrate those tissues.
格里菲斯教授警告说：“氧化应激也会因摧毁一氧化氮而导致动脉收缩。”
"Oxidative stress can also cause arteries to constrict by destroying nitric oxide," Prof Griffith warned.
如果没有足量的一氧化氮来阻止血栓的形成和增长，最终就会得心脏病和中风。
Without enough nitric oxide the plaque blockages build up and grow creating eventually heart disease and strokes.
这种方法的问题是，甲烷和一氧化氮的排放量在不同时间和空间波动很大。
The problem with this method is that methane and nitrous oxide emissions fluctuate strongly in time and space.
我至少花一小时来解释内皮细胞的保护作用、一氧化氮是我们血管壁的终极保护者。
I spend at least an hour defining the protective role of endothelial cells and nitric oxide functioning as the ultimate guardians of our blood vessels.
Cant well的火箭推进器设计原用于宇宙飞船，现可用来燃烧大量氧化氮。
Cantwell's rocket thruster, which was designed for use in spacecraft, can consume the excess nitrous oxide to produce heat.
Cant well的火箭推进器设计原用于宇宙飞船，现可用来燃烧大量氧化氮。
Cantwell's rocket thruster, which was designed for use in spacecraft, can consume the excess nitrous oxide to produce heat.
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