nitrogen
美 [ˈnaɪtrədʒən] 
英 [ˈnaɪtrədʒ(ə)n]
英汉双解
1. | 氮；氮气a chemical element. Nitrogen is a gas that is found in large quantities in the earth's atmosphere. |
英汉解释
英英解释
例句
In areas of poor soils, within two years of cultivation, synthetic nitrogen and mineral fertilizers have to be applied heavily.
在土壤养分贫乏的地区，经过两年内的种植后就必须很大量应用合成氮肥与矿物肥料。
The stem cells had been removed when the embryo was a few days old and were stored in tanks of liquid nitrogen.
在受精卵只有几天大的时候，他们提出去这些干细胞，并将其储存在液氮容积中。
The concentrations of nitrogen dioxide and ozone also exceed the objectives for a few days in a year.
二氧化氮及臭氧的浓度，每年也有几天超出了空气质素指标。
The body is freeze-dried in liquid nitrogen, then vibrated so that it dissolves into a fine powder.
（在这种技术中，）遗体在液氮中被冷冻干燥，之后通过振动化为齑粉。
When the liquid nitrogen is gone, grind everything up to a fine powder.
在液氮挥发前要把样品捣碎成细小的粉末状。
If this did not occur there would be none of the heavier elements. No carbon, no nitrogen, no life.
如果这个不发生，就没有任何的更重的元素。没有碳，没有氮，没有生命。
Melamine has no nutritional value but is high in nitrogen, making products with it appear higher in protein.
三聚氰胺没有营养价值，却富含能提高产品蛋白质含量的氮元素。
Insufficient amounts of nitrogen gas, they say, will limit plant growth regardless of how much extra carbon dioxide is available.
他们说，不论有多少额外的二氧化碳可供植物吸收，氮气的不足将限制植物生长。
And I'm going to ask, after I reach equilibrium, what is the partial pressure of nitrogen hydrogen and ammonia?
我想问，当达到平衡后，氮气，氢气和氨气的分压，分别是多少？
Since the 1960s the amount of fertiliser used by farmers has increased sixfold, and not all of that extra nitrogen ends up in their crops.
自从1960年代，农夫使用的肥料增加了六倍，而且并不是所有氮肥都被农作物吸收；
It turns out that - if I've got molecular vibrations you know, there's nitrogen and oxygen in the air.
它最终被证明是，如果我有分子振动，你们知道，空气中有氮和氧。
The best form of usable nitrogen seems to be a combination of di-ammonium phosphate (DAP) and yeast extract.
最好的方式，似乎是一种可用氮结合荻磷铵（磷酸二铵）、酵母粉。
"Nitrogen creates a rather big problem that seems to me to have been given too little attention, " he said.
“在我看来氮带来了很大的问题但给予它的关注还很少，”他说。
Liquid ammonia, mainly used as refrigerant or to make Ammonium and nitrogen, is an important yet dangerous chemical.
液氨主要用作制冷剂及用于制取铵盐和氮肥，是化学工业中一种重要的、存在危险性的化学品。
We are producing milk. rather than the production of nitrogen. even if it is to eat animals is not the nutritional value of it!
我们是生产奶粉。而不是生产氮。就算是给畜生吃也是没有营养价值的呀！
X-ray photoelectron spectroscopy (XPS) shows that the reason is the increase of oxygen and nitrogen polar functional groups on the surface.
射线光电子能谱（XPS）分析表明，这是由于涤纶表面被引入了大量含氧和含氮极性基团所致。
So Arcadia is trying to improve crops' ability to absorb nitrogen by changing their biological makeup, Lewis said.
刘易斯表示，为此阿凯迪亚公司尝试通过改变作物的生物构造，改善它们吸收氮的能力。
The scientists said the Mini- Helicon is the first rocket to run on nitrogen, the most abundant gas in Earth's atmosphere.
科学家称，迷你海利空是世界上第一种使用氮推进的火箭，而氮气则是地球大气层中含量最为丰富的气体。
In the current paper we summarized the methods for the detecting of the total nitrogen, as well as the separate. . .
本文总结了石油产品中总氮的测定方法，对石油产品中氮化物的分离分析也作了概括。
Corn is one of the best indicators for nitrogen deficiency among the field-crop plants.
玉米是大多数大田作物中缺氮的最好的指示植物。
Nitrogen dioxide and ozone may cause pulmonary edema.
二氧化氮和臭氧可以引起肺水肿。
High-temperature superconductors, those that operate at liquid nitrogen temperature or above, are not as technically advanced at this point.
就此问题，那些工作于液氮温度或液氮温度之上的高温超导体在技术上并不先进。
There would be nowhere near as many people doing all sorts of other things to the planet if humans had not sped the nitrogen cycle up.
如果人类没有加速氮循环的速度，那么就远不会有众多人对地球上做其他的各种事情。
Results: There was no significant difference of every-day intake of calories and nitrogen between the two groups.
两组患者日均热卡及氮摄入量比较差异无统计学意义，营养支持耐受性好。
The nitrogen fertilizer dosage of the Chinese paddy rice occupied 37% of that of the whole world's.
中国水稻氮肥用量占全世界水稻氮肥总用量的37%。
Asia is expected to produce a rapidly increasing surplus of nitrogen, but will continue to import phosphate and potash.
亚洲氮肥生产过剩的情况预计将迅速增加，但将继续进口磷肥和钾肥。
And we're going to ask the question, so I take nitrogen, I take some, hydrogen, I mix them together in a container.
我们接下来会问一些问题，我们有氮气，氢气，把它们混合。
The invention discloses a boron-containing and nitrogen-containing compound for a lubricant additive and a preparation method thereof.
本发明公开了一种用于润滑油添加剂的含硼氮化合物及其制备方法。
It could be concluded that the apple fruit with high nitrogen content, leading to hitter pit was an important factor for disease.
苹果果实内氮含量过高，是导致苦痘病发生的重要因素。
Placed within a stainless steel chamber vacuum tube from the front of the vacuum tube vacuum, or back-end exhaust into nitrogen.
炉膛内安置有不锈钢真空管，从真空管前端抽真空，后端排气或进氮气。
moreover , they are rugged and do not require liquid - nitrogen cooling , making them compact enough to fit inside a shoe box.
另外，这种雷射装置相当坚固耐用，且不需要以液态氮冷却，体积得以缩小到可以放进鞋盒。
Purine: Any of a class of heterocyclic compounds with a two-ring structure composed of carbon and nitrogen atoms.
嘌呤是对由碳、氮原子组成的双环结构的杂环化合物的统称。
Chandran's research focused on using a biological means of removing nitrogen, a technique known as sustainable water sanitation and hygiene.
Chandran的研究注重以生物方法除氮，这是一种可持续的净化水质技术。
Metabolic acidosis, leukocytosis , high C-reactive protein and blood urea nitrogen levels were all poor prognostic factors.
其他如代谢性酸血症、白血球过多、C反应性蛋白增高或尿素氮增高者都是不好的预后因子。
Specifically, we have measured how the spin on an N-V center interacts with another spin on a nearby nitrogen impurity (with no vacancy ).
明确地说，我们测量一个N-V中心里的自旋如何与邻近的氮杂质（没有空位）的自旋相互作用。
Roman says once the algae use up the nitrogen, they eventually die and sink to the bottom, taking the nitrogen with them.
罗曼说，一旦海藻缺乏氮元素，它们终将死去，并带着氮沉入海底。
Nitrogen is also used to prevent oxidation, but take care not to blow too hard or cool the die so much that it distorts the extrudate.
也可以用氮气防止氧化，但是要记住，不要吹得太过火，否则会将口模过分冷却，这样会导致挤出物变形。
All over the world, increase the nitrogen fertilizer application rate is an important measure to increase maize production right now.
就目前全球情况而言，增加氮肥的施用量是提高玉米产量的一条重要措施。
Peptide and ammonium sulfate were the best nitrogen for its growth, but urea was the worse among the 7 nitrogen sources.
在7种氮源中，胰蛋白胨和硫酸铵为最适氮源，而尿素不利于菌丝生长。
After twice removal, the concentrations of phosphate and ammonia nitrogen in the hogpen waste water can come up to the discharge standards.
猪场废水进行两级处理后，便可达到磷酸盐和氨氮的排放标准。
This was mainly due to a small number of nitrogen containing diamonds within the.
这主要是由于钻石内部含少量的氮造成的。
