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nitrogen

名詞[化]氮，氮?dú)?/p>
nitrogen 相關(guān)例句

名詞

1. Nitrogen forms about 78% of the earth's atmosphere.
氮約占地球大氣的百分之七十八。

nitrogen

1. 氮?dú)猓何宜旧�產(chǎn)銷售變壓吸附(PSA)制氮機(jī).制氮機(jī)配有空氣緩沖罐,氮?dú)饩彌_罐.還配有兩個(gè)吸附塔,雙吸附塔并聯(lián)交替進(jìn)行吸附,一塔工作一塔再生,連續(xù)產(chǎn)氮. 壓縮空氣(AIR) 氧氣(OXYGEN)放空 氮?dú)?NITROGEN)收集 .規(guī)格多種多樣,歡迎來電咨詢.

2. 氮元素：H-1含碳量極低,以氮元素(Nitrogen)代替大部分的碳,因此生銹的主因就是鋼鐵中的碳遇水成為氧化物. 使用氮元素同時(shí)可保有絕佳硬度與韌渡. Spyderco水中救援刀,長久以來就深受航海員、急救人員的喜愛,現(xiàn)在更加強(qiáng)了其防銹能力,

3. 總氮：Nitrite 亞硝酸鹽 | Nitrogen 總氮 | Oxygen 溶解氧

1. However, the efficiency of nitrogen decreased with the increase of nitrogen (from middle N level to high N level).
在本試驗(yàn)條件下，盛鈴末期是棉花葉片生理功能從旺盛生理功能到衰退的轉(zhuǎn)折時(shí)期。

2. Catenella increased with the nitrate concentrations (20~80 μmol/L) of the culture medium. and both of them presented higher growth rate in nitrate than in ammonium, In high nutrient concentration, nitrate was regarded as the optimal nitrogen source, The nitrate reductase activity 1.14~5.20 fmol/(cell. L. mm of P.
結(jié)果表明，兩種赤潮生物的最大比增長率均隨著培養(yǎng)液中硝酸鹽濃度的升高(20~80 μmol/L)而增加，且硝酸鹽培養(yǎng)下的最大比增長速率高于同濃度的氨鹽，表明在高濃度下，硝酸鹽是適宜的氮源。

3. Check out the nitrogen cycle page to learn more.
簽出氮循環(huán)網(wǎng)頁，了解更多。

4. We won`t know until we better understand exactly how human activities are affecting the nitrogen cycle.
這些已經(jīng)破壞了我們生存的環(huán)境了？

5. This imbalance in the global nitrogen cycle has led to uncontrolled nitrogenemissions into the atmosphere and water systems.
這種不平衡現(xiàn)象在全球氮循環(huán)，導(dǎo)致無節(jié)制氮?dú)馀欧诺酱髿夂退�系統(tǒng)。

6. The relative contribution of bacteria and archaea to ammonia oxidation is essential for our understanding of global nitrogen cycle.
氨氧化古菌和細(xì)菌對(duì)地球氨氧化過程的相對(duì)貢獻(xiàn)率，是目前全球氮循環(huán)研究最重要的微生物生態(tài)學(xué)問題之一。

7. Live plants will help with the nitrogen cycle diminishing the amount of ammonia and nitrates in the aquarium.
活植物，將有助與氮循環(huán)減少的數(shù)額氨和硝酸鹽的水族館。

8. The NITROGEN CYCLE. Some of these cycles are regulated mainly by weathering.
這些循環(huán)中的一些是由物理因子調(diào)控的，例如磷循環(huán)的主要限制因素是通過巖石的侵蝕作用緩慢釋放的磷酸鹽。

9. The nitrogen cycle consists of several major steps.
氮循環(huán)由一些主要步驟組成。

10. All the samples are annealed at 780℃ for 30 seconds under pure nitrogen protection using a lamp rapid thermal annealing furnace.
根據(jù)TRIM-2000模擬計(jì)算，離子注入的能量采用160keV，然后在高純N_2的保護(hù)下進(jìn)行780℃快速熱退火30秒。

11. The purity and high-purity nitrogen generator is one of the main products of the company, which mostly adopts one/two column and common-flow/reverse-flow expansion process.
純氮、高純氮設(shè)備是我公司的主要產(chǎn)品之一，大多采用單塔正流、返流膨脹工藝流程。

12. Four 20kg six-month old goats with permanent remen cannula were used to study the effect of three kinds of urease inhibitors acetohydroxamic acid, hydroquinone, yucca extract on nitrogen metabolism, nutrient degradability in rumen and nutrient digestibility.
本研究由4個(gè)試驗(yàn)組成，選用安裝永久瘺管的6月齡山羊4只，采用4×4拉丁方試驗(yàn)設(shè)計(jì)，分別飼喂對(duì)照組飼糧、乙酰氧肟酸25mg／kg飼糧、絲蘭皂甙36mg／kg飼糧、對(duì)苯二酚40mg／kg飼糧。

13. HARPER E%JAME S Reductase nitrate in vivo during oxide nitrogen of evolution leaves of soybean assay PLANT PHYSIOLOGY, 1981, null
S.LON%陳能場(chǎng)%樗木直也%稻永醇二氮在水稻中的行為及其品種間的差別生態(tài)環(huán)境，2004，4

nitrogen

14. It is equipped with asphalt return tube, anti-puffing pressure vent valve, anti-aging overhead nitrogen valve, thermometer, volumeter and output asphalt rapid discharge valve and coupling.
配備瀝青溢流管、防冒液呼吸閥、防老化頂置充氮閥、溫度計(jì)、容量計(jì)和輸出瀝青的快速卸料閥及接耦。

nitrogen什么意思

15. Obvious increase in grain protein, prolamine and glutelin content of high-oil corn at different levels of nitrogen application was observed.
二和2.3百分點(diǎn)：使高油玉米吉油一號(hào)分別增加淀粉25、2二和2.5個(gè)百分點(diǎn)，依次增加支鏈淀粉4人3.3和2.9百分點(diǎn)，使各取樣時(shí)間分別平均增加淀粉2.3、3.8和2.7個(gè)百分點(diǎn)，使自9月3日起的各取樣時(shí)間支鏈淀粉含量明顯增力日。不同施氮水平對(duì)高油玉米吉油一號(hào)籽粒淀粉含量有明顯影響。

nitrogen

16. A non-noble metal oxygen reduction reaction catalyst labeled as Co-C-N(800) was synthesized by heat-treating a mixture of urea, cobalt chloride and acetylene black for 2 hours at 800℃ in an inert nitrogen atmosphere.
機(jī)械研磨尿素、氯化鈷、乙炔黑混合物并經(jīng)800℃高溫?zé)崽幚砗�，制備出了非貴金屬Co-C-N（800）催化劑。

17. Rice; utilization efficiency of nitrogen fertilizer; nitrogen efficiency in producing grain yield
水稻；氮肥利用率；氮產(chǎn)谷效益

18. Effect of Different Nitrogen Fertilizer Factors on Nitrate and Nitrite Accumlation in CarrotDaucus carota L.
中文名稱：不同氮肥因素對(duì)胡蘿卜(Daucus carota L。)硝酸鹽和亞硝酸鹽含量的影響

19. In the paper, the influence of amino nitrogen, acidity, dissolved oxygen and temperature upon fish and vegetable in their different growing stages is investigated.
本文介紹了運(yùn)用生態(tài)學(xué)原理和環(huán)境條件監(jiān)控手段建立起來的、符合可持續(xù)發(fā)展要求的設(shè)施漁業(yè)新技術(shù)-魚菜共生技術(shù)，該技術(shù)涉及養(yǎng)殖水系營養(yǎng)物質(zhì)循環(huán)流動(dòng)。

20. In nitrogen atmosphere, UV curing rate and conversion of the PUAE samples decreased with increasing the content of allyl ether, but reversed in air.
FTIR結(jié)果證明了三種結(jié)構(gòu)的PUAE在UV或空氣固化時(shí)都具有良好的反應(yīng)活性。

1. 氮;氮?dú)?br />Nitrogen is a colourless element that has no smell and is usually found as a gas. It forms about 78% of the earth's atmosphere, and is found in all living things.

1. The report showed that in 2005 inorganic nitrogen and active phosphate were the main pollutants in offshore seawater.

2. In all of the four offshore sea areas, inorganic nitrogen and active phosphate were found.

3. nitrogen在線翻譯

3. Wang said they turn into carbon dioxide and nitrogen, elements that are ordinarily found in the air.

4. The concentration of carbon monoxide reduced by 15 percent from the same period last year, while nitrogen dioxide down 27 percent and particulate matters down 24 percent.

5. The Euro system of standards sets limits on the amount of nitrogen oxides, carbon monoxide and other compounds permitted in car emission.

6. Fire fighters said the gas leak was nitrogen sulfide and carbon monoxide.

7. The government will continue national campaigns of reducing emissions of sulfur dioxide from power plants, steel and petrochemical factories and nitrogen oxides from cement factories.

8. These algae blooms were chiefly caused by untreated sewage containing high concentrations of nitrogen, a main ingredient in detergents and fertilizers.

9. We sell a fertilizer called ESN Smart Nitrogen ground with coating which releases in 12 and 16 weeks.

10. The biggest concern was the major pollutant index, which exceeded standards in terms of nitrogen and faecal coliform.

noun

1. a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas
constitutes 78 percent of the atmosphere by volume
a constituent of all living tissues

Synonym: N atomic number 7