查单词 · 学外语

精品英语词典

首页nitrogennitrogen实用场景例句

nitrogen

英 ['naɪtrədʒ(ə)n] 美['naɪtrədʒən]

英英释义实用场景例句

n. [化学] 氮

实用场景例句

Nitrogen is the most important for high yield of rice.: 氮对水稻高产最为重要.

However, remained organic matter was not enough for the denitrification of nitrogen nitrate.: 然而, 有机物过早消耗对硝化后产生的硝酸氮再行反硝化作用不利.

The amide nitrogen of glutamine or asparagine functions more effectively than ammonia.: 谷酰胺或天门冬酰胺的酰胺氮作用较氨更有效.

The granularity of coal, inoculation amount of bacteria and additional nitrogen have some effect on desulfurization.: 煤样的粒度、菌接种量、加氮源对脱硫有一定影响.

Nitramines are substances which contain a nitro group bonded to nitrogen.: 含有与氮原子相连的硝基的物质称为硝胺.

Can detect hydrogen, oxygen, nitrogen, carbon monoxide, methane, dioxide, ethylene, ethane, acetylene and other gases.: 可对氢、氧、氮、一氧化碳、甲烷、二氧化碳、乙烯、乙烷、乙炔九种气体检测.

Increased nitrogen levels in seawater upset the natural ecological balance of the oceans.: 海水中增加的氮含量打乱了海洋的自然生态平衡.

Enterprises shall gradually adopt measures to control the nitrogen oxide generated by the burning of fuel.: 　　企业应当对燃料燃烧过程中产生的氮氧化物采取控制措施.

Nitrification is the key to biological wastewater nitrogen removal.: 硝化作用是废水生物脱氮中的关键.

High concentration of sulphur dioxide, nitrogen, oxides and dust have long been known to be harmful.: 人们早已知道,二氧化硫、氮、氧化物和尘埃浓度高是有害的.

And also it refers the prevention and treatment technology of nitrogen in groundwater.: 同时,要提高三氮污染的野外监测水平和三氮污染的治理技术研究.

The lamp is full of gaseous nitrogen.: 灯里充满了气体氮.

Nitrogen: Gaseous chemical element, chemical symbol N, atomic number 7.: 氮: 气态化学元素, 化学符号N, 原子序数7.

Common market, there are nitrogen, air, hydrogen, ammonia, acetylene, propane, steam and other special relief valve.: 市面上常见的有氮气、空气、氢气、氨、乙炔、丙烷、水蒸气等专用减压阀.

The mechanism of the high nitrogen stainless steel showing excellent properties also analyzed and discussed.: 本文还对高氮不锈钢表现出的优异性能的机制进行了分析和讨论.

Since nitrogen is non corrosive , special materials of construction are not required to prevent corrosion.: 由于氮无腐蚀性,不需要特殊的建材.但是,选择的建材必须能抗液氮的低温.

There are nitrogen, oxygen, a little carbon dioxide and water vapour.: 它们分别是氮气, 氧气, 少量的二氧化碳和水蒸汽.

Nitrogen dioxide and ozone may cause pulmonary edema.: 二氧化炭和臭氧可以引起肺水肿.

The atmosphere consist of more than 70 % of nitrogen.: 大气中含有70%以上的氮气.

Every tonne of coal contains, on average, 30 kilograms of nitrogen.: 每吨煤平均含30公斤氮.

What is the percentage of nitrogen in air?: 空气中所含的氮的比例是多少?

Nitrogen is a gas without colour or smell.: 氮是一种无色无臭的气体.

The plant requires nitrogen in order to make proteins.: 植物需要氮以便制造蛋白质.

The faeces contain nitrogen and it is that which fertilises the desert soil.: 粪便含氮，而正是氮可以肥化荒芜的土地。