nitrogen造句
carbon-nitrogen-oxygen cycle
carbon nitrogen cycle
Is it going to be hydrogen or nitrogen? Yup, it's going to be nitrogen.
Momentary foot cooling with the help of nitrogen.
Now, researchers have a way for people to measure how much nitrogen pollution they produce — their nitrogen footprint.
This radioactive form of nitrogen does not occur in nature.
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.
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.
But the nitrogen in the air was replaced with a nitrogen atom with a different number of neutrons, called an isotope.
In all, the nitrogen and carbon ligands, to be effective, require linkage to other electronegative centers.
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.
The reactive nitrogen in acid rain kills insects and fish in rivers and lakes.
The thick nitrogen atmosphere holds fog, mist, smoggy haze and rain clouds.
Then anaerobic bacteria take that nitrate and turn it into harmless nitrogen gas.
Specific leaf weight and nitrogen content had positive relation to the net assimilation rate.
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.
The U.S. smallpox viruses, which include samples from Britain, Japan and the Netherlands, are stored in liquid nitrogen.
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.
Tankers, ranging in size from5,000 to11,000 gallons, contain an annular space insulated with vacuum, nitrogen shielding, and multiplayer insulation.
To liquid nitrogen, flesh is like that skillet-a surface hundreds of degrees above its boiling point.
Used coffee grounds, in moderation, can do wonders for the garden by adding nitrogen to the soil.
This costly and vitamin-packed elixir was mixed before our eyes with liquid nitrogen, creating an instant sorbet with explosive effects on the tongue.
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.
So, in this case, we see that our formal charge is negative on the nitrogen, in this case it's negative on oxygen.
Here, delicate rings of colorful glowing gas (nitrogen-red, hydrogen-green, and oxygen-blue) outline the tenuous walls of the hourglass.
"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.
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.
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.
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.
"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."
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.
"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. "
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.
-
优*乐造句
1、目的探讨优*乐联合*状腺素片替代治疗*亢患者131*治疗后早发*减的疗效及对永久**减的控制效果。2、针*组给予针刺结合口服西**巯咪唑和优*乐治疗,针刺穴取睛明、承泣、丝竹空等;...
-
战术选择造句
1、商业道德和核心价值是战术选择吗?2、战术选择系统同样会影响能量槽和能量点。3、我不是对教练的战术选择指手画脚,只是想两个人谈一谈!4、在线玩家从新的战术选择中获得了更深入的力量。5、运球是前锋非常重要的一项技术,它是前锋战术选择更加丰富的重要前提。6...
-
赵如龙造句
1、省建设厅党组成员、建管局局长张奕,省建筑行业协会会长赵如龙等有关领导到会指导。...
-
瑳造句
1、瑳刻薄贪鄙,忌害才能;仪颂巧侧媚,献二女以求亲昵;瓘险惨苛酷,发言邪谄,故同罪焉。2、瑳刻薄贪鄙,忌害才能;仪颂巧侧媚,献二女以求亲昵;瓘险惨苛酷,发言邪谄,故同罪焉3、君子偕老君子偕老,副笄六珈。委委佗佗,如山如河。象服是宜。子之不淑,云如之何?玼兮玼兮,其之翟...
相关文章
- 阅读理解 Oneeveningtwoyoungmenwerewalkinginthestreettogethe...
- 短文改错DearTom,I'mgladtoknowthatyouareinterestinginBeijing...
- 【2019•山东淄博】Canyouimaginewalkingin,sittingnexttoastrange...
- —We’redoingalottoprotectourenvironment(环境),butitisnotgo...
- 完形填空Earlyinthemorning,atnoon,orintheeveninginbigcitiesa...
- 阅读下面短文,然后根据要求答题:Scientistsaretryingtoturndesertsintogoo...
- —Jessie,don'tyouthinkitexcitingtoskateonthefrozenrivern...
- 句型转换。1.Peopleinthenorthoftengoskatinginwinter.(nextwint...
- 阅读下面图文,简要回答所给问题。Livingintheageof“Internet”,moreandmoree...
- 完形填空。Earlyinthemorning,atnoon,orintheeveninginbigcities...