nitrogen

Nitrogen is the most important for high yield of rice.

氮對水稻高產最為重要.

期刊摘選

However, remained organic matter was not enough for the denitrification of nitrogen nitrate.

然而, 有機物過早消耗對硝化后產生的硝酸氮再行反硝化作用不利.

期刊摘選

The amide nitrogen of glutamine or asparagine functions more effectively than ammonia.

谷酰胺或天門冬酰胺的酰胺氮作用較氨更有效.

辭典例句

The granularity of coal, inoculation amount of bacteria and additional nitrogen have some effect on desulfurization.

煤樣的粒度 、 菌接種量、加氮源對脫硫有一定影響.

期刊摘選

Nitramines are substances which contain a nitro group bonded to nitrogen.

含有與氮原子相連的硝基的物質稱為硝胺.

辭典例句

Can detect hydrogen, oxygen, nitrogen, carbon monoxide, methane, dioxide, ethylene, ethane, acetylene and other gases.

可對氫 、 氧 、 氮 、 一氧化碳 、 甲烷 、 二氧化碳 、 乙烯 、 乙烷 、 乙炔九種氣體檢測.

期刊摘選

Increased nitrogen levels in seawater upset the natural ecological balance of the oceans.

海水中增加的氮含量打亂了海洋的自然生態平衡.

期刊摘選

Enterprises shall gradually adopt measures to control the nitrogen oxide generated by the burning of fuel.

　　企業應當對燃料燃燒過程中產生的氮氧化物采取控制措施.

期刊摘選

Nitrification is the key to biological wastewater nitrogen removal.

硝化作用是廢水生物脫氮中的關鍵.

期刊摘選

High concentration of sulphur dioxide, nitrogen, oxides and dust have long been known to be harmful.

人們早已知道,二氧化硫 、 氮 、 氧化物和塵埃濃度高是有害的.

期刊摘選

And also it refers the prevention and treatment technology of nitrogen in groundwater.

同時,要提高三氮污染的野外監測水平和三氮污染的治理技術研究.

期刊摘選

The lamp is full of gaseous nitrogen.

燈里充滿了氣體氮.

期刊摘選

Nitrogen: Gaseous chemical element, chemical symbol N, atomic number 7.

氮: 氣態化學元素, 化學符號N, 原子序數7.

期刊摘選

Common market, there are nitrogen, air, hydrogen, ammonia, acetylene, propane, steam and other special relief valve.

市面上常見的有氮氣 、 空氣 、 氫氣 、 氨 、 乙炔 、 丙烷 、 水蒸氣等專用減壓閥.

期刊摘選

The mechanism of the high nitrogen stainless steel showing excellent properties also analyzed and discussed.

本文還對高氮不銹鋼表現出的優異性能的機制進行了分析和討論.

期刊摘選

Since nitrogen is non corrosive , special materials of construction are not required to prevent corrosion.

由于氮無腐蝕性,不需要特殊的建材.但是,選擇的建材必須能抗液氮的低溫.

期刊摘選

There are nitrogen, oxygen, a little carbon dioxide and water vapour.

它們分別是氮氣, 氧氣, 少量的二氧化碳和水蒸汽.

期刊摘選

Nitrogen dioxide and ozone may cause pulmonary edema.

二氧化炭和臭氧可以引起肺水腫.

辭典例句

The atmosphere consist of more than 70 % of nitrogen.

大氣中含有70%以上的氮氣.

《簡明英漢詞典》

Every tonne of coal contains, on average, 30 kilograms of nitrogen.

每噸煤平均含30公斤氮.

《簡明英漢詞典》

What is the percentage of nitrogen in air?

空氣中所含的氮的比例是多少?

《簡明英漢詞典》

Nitrogen is a gas without colour or smell.

氮是一種無色無臭的氣體.

《簡明英漢詞典》

The plant requires nitrogen in order to make proteins.

植物需要氮以便制造蛋白質.

《現代漢英綜合大詞典》

The faeces contain nitrogen and it is that which fertilises the desert soil.

糞便含氮，而正是氮可以肥化荒蕪的土地。

柯林斯例句