“nitrogen”可以造什么句，nitrogen造句

carbon nitrogen cycle

Momentary foot cooling with the help of nitrogen.

This radioactive form of nitrogen does not occur in nature.

The lights prevent production of a particular type of nitrogen-oxide molecule known as a nitrate radical, which forms from reactions of nitrogen dioxide with ozone.

In all, the nitrogen and carbon ligands, to be effective, require linkage to other electronegative centers.

The reactive nitrogen in acid rain kills insects and fish in rivers and lakes.

Then anaerobic bacteria take that nitrate and turn it into harmless nitrogen gas.

Carbon dioxide is like nitrogen in many ways, But if it is mixed with limewater, it causes the clear liquid to because milky, while nitrogen dose not. This is the test for carbon dioxide.

Maize, in particular, is described by experts in the field as a "nitrogen-leaky" plant because it has shallow roots and takes up nitrogen for only a few months of the year.

To liquid nitrogen, flesh is like that skillet-a surface hundreds of degrees above its boiling point.

This costly and vitamin-packed elixir was mixed before our eyes with liquid nitrogen, creating an instant sorbet with explosive effects on the tongue.

So, in this case, we see that our formal charge is negative on the nitrogen, in this case it's negative on oxygen.

"Because of these impacts, we'd like to know what happens to these nitrogen oxides in nighttime air, where do they go, what do they do," Thornton said.

Jerusalem artichoke juice was the sole carbon source. The peptone and (NH4) 2hpo4 as nitrogen sources were found to be most suitable ones for inulinase production by single factor experiment.

"Nitric oxide: Colourless, toxic gas (NO), formed from nitrogen and oxygen by the action of electric sparks or high temperatures or, more conveniently, by the action of dilute nitric acid on copper or mercury."

"because the nitrogen atom of its amino group is part of a ring structure (making it a heterocyclic compound), its chemical properties differ from those of the other amino acids in proteins. It is used in biochemical, nutritional, and microbiological research and as a dietary supplement. "

carbon-nitrogen-oxygen cycle

Now, researchers have a way for people to measure how much nitrogen pollution they produce — their nitrogen footprint.

But the nitrogen in the air was replaced with a nitrogen atom with a different number of neutrons, called an isotope.

The thick nitrogen atmosphere holds fog, mist, smoggy haze and rain clouds.

The U.S. smallpox viruses, which include samples from Britain, Japan and the Netherlands, are stored in liquid nitrogen.

Used coffee grounds, in moderation, can do wonders for the garden by adding nitrogen to the soil.

Here, delicate rings of colorful glowing gas (nitrogen-red, hydrogen-green, and oxygen-blue) outline the tenuous walls of the hourglass.

During the nights, not only were the concentrations of ozone, nitrogen oxides and other gases measured by this plane, but also, almost as an afterthought, the intensity of the light from below.

A car with a natural gas-powered internal-combustion engine emits87 per cent less nitrogen oxide,70 per cent less carbon monoxide and25 less carbon dioxide than a car with an engine that uses petrol, according to research by the Honda Motor Co.

In experimental plots the plants often need less than half as much nitrogen to achieve the same yield-or get 25% more yield for the same nitrogen.

Specific leaf weight and nitrogen content had positive relation to the net assimilation rate.

In the process, the particles collide with atoms of nitrogen and oxygen in the Earth's atmosphere, which then glow, creating an effect similar to miniature neon signs.

The engine would use at least 25% less fuel and, he claims, its emissions of carbon dioxide and nitrogen oxide would be cut by three-quarters because of its unique ignition properties.

The document highlights the importance of reducing reactive nitrogen emissions to the environment, adding that the benefits of reducing nitrogen outweigh the costs of taking action.

So in one case, we could actually put carbon in the middle, in one place, we could put sulfur in the middle, and in one case we could put nitrogen.

Tankers, ranging in size from5,000 to11,000 gallons, contain an annular space insulated with vacuum, nitrogen shielding, and multiplayer insulation.

Is it going to be hydrogen or nitrogen? Yup, it's going to be nitrogen.