They must offer higher yields but use less water, nitrogen-rich fertilizers, or other inputs.

它们必须提供更高的产量，但使用更少的水、富含氮的肥料或其投入。

Where does all this nitrogen come from?

这些氮是哪里的呢？

Next thing he knew, he was using liquid nitrogen to freeze ice cream at extremely low temperatures and ended up with small beads of it.

接有了想法，使用液态氮在极低的温度冷冻冰淇淋，最后成为一些珠子。

One example is the bends, or decompression sickness, a serious medical disorder created by nitrogen bubbles in the muscles when returning to the surface of the sea too quickly.

一个例子就是蜷曲或减压病，当人快速回到海面时肌肉中的氮泡引起的严重疾病。

The bacon diet reduced the number of precancerous lesions in rats injected with the azoxymethane.

在注射了氮氧甲烷的老鼠中，食用培根减少了癌前病变的数量。

Not to mention the high protein leads to nitrogen production meaning stinky farts! Add to that constipation which allows your digested material to sit longer in the large intestine and continuing to decompose and...yup. Smelly farts.

更不用说高蛋白食物增加肠道内氮的产生，这意味着你将放出恶臭的屁！此外，便秘会使你的消化物在肠中停留更久。并且持续分解，直到酝酿出一个，额，更为难闻的屁。

Also, Triton has been seen to have active geysers of nitrogen erupting from its surface!

此外，人们还发现海卫一的表面有活跃的氮间歇泉喷涌而出！

What if the nitrogen and oxygen in the atmosphere fuse together and release energy?

气中的氮和氧融合在一起并释放能量呢？

Common combustion products include hydrocarbons, oxides of nitrogen and sulfur, ammonia and particulate matter.

常见的燃烧产物包括碳氢化合物、氮和硫的氧化物、氨和颗粒物。

5 imperial gallons of the liquid helium. 5 You know how much helium that is?

英制加仑的液态氮你知道那是多少氮气吗？

Right now, nitrification, overuse of phosphates in our waterways are causing tremendous algal blooms.

今，水体中过量的氮和磷 导致藻类疯长。

The bacteria uses nicotine as its sole source of carbon and nitrogen.

这种细菌会将尼古丁视为唯一的碳及氮的源。

This leads to high concentrations of nitrogen and phosphorus.

这导致了高浓度的氮和磷。

And the cyanobacteria also fix nitrogen from the atmosphere, helping other microorganisms to thrive.

而且蓝细菌也可以调整空气中的氮含量，帮助其微生物茁壮成长。

Where does all this nitrogen come from? The answer is farms.

这些氮是哪里的呢？答案是农场。

This impala is actually cherry-picking the leaves with the highest concentration of nitrogen.

这种黑斑羚实际上专门采食那些氮含量最高的叶子。

The atmosphere is made of gases such as oxygen and nitrogen.

气是由氧和氮等气体组成的。

They will also look at the chemistry of elements other than carbon and oxygen—particularly nitrogen and phosphorous, which are essential to life, and sulphur, which often indicates the absence of oxygen and is thus antithetical to much animal life.

们不单单只是观察氧和碳元素，尤其是生命必须的氮和磷，以及经常指示缺少氧且和部分动物生命对立的硫。

Also, the waste products we normally get rid of by urinating, like excess nitrogen, are instead filtered from the fetus and delivered, through the umbilical cord, back to the mother for disposal.

还有，我们通常通过便清除体内废弃物，过量的氮，而胎儿则通过与母亲之间的脐带用以过滤和传输，反馈给母亲清除它们。

Dubbed as energy efficient, the toilet requires no water, serving as a bonus for use in remote areas, the same places where the nitrogen and micro-pollutants from human waste can prove dangerous to the environment and people that encounter it.

这款号称很节能的马桶不需要水，非常适合在偏远地区使用，也正是在这些地方，人类粪便中的氮和微污染物会危害到环境和接触到粪便的人。