ammonia是什么意思ammonia的音标ammonia的用法 英语词典

ammonia的意思、解释

名词氨; 氨水; 氨气

1. 氨：Stanley Miller) 进行了一项研究,他模拟地球初期的条件,将甲烷 (methane) 、氨 (ammonia) 、氢 (hydrogen) 和水混合,通过电流,成功产生了几种复杂的有机化合物 (organic compounds) 氨基酸 (amino acid) ,这些氨基酸是组成生命的成分;

2. 氨水：然后坐电梯下楼 15.到最右边,和那个怪胎讲讲话,尝试去拿(Get)桌上左侧的圆盘(Quad-Ccomputerchip) 16.使用(Use)桌子下的防毒面具(gasmask) 17.把(Use)氨水(ammonia)加到水桶裡,拿走晶片(Quad-Ccomputerchip) 18.往左走到bar台,

3. ammonia的意思

3. 氨气：像抽烟一样,抽雪茄烟所发出的烟,含有很多有害的物质,如可以致癌的镉(cadmium)、尼古丁(nicotine)、氨气(ammonia)、一氧化碳(carbon monoxide)等. 雪茄的烟所含的氨气,比香烟的含量 大二十倍,而雪茄烟所含的镉,是香烟的五至十倍;

4. 氮：产品名称:HANNA 氨氮(Ammonia)化学测试组测试项目:氨氮(Ammonia) 分析法:比色法 范围ppm:0~2.5 解析度ppm:0.5 试剂可使用次数:25

1. The preparation of SiO2 colloids by alkali-catalyze method was reported. The single film of SiO2 was prepared by dip coating method on K9 glass. After the films being treated in different ways, including heat, UV irradiation, ammonia and hexamethyl disilazane, and acid film coating treatments, the properties of the films were analyzed by spectrophotometry, Fourier transform infrared spectroscopy, scanning probe microscope, contact angle measuring apparatus and spectroscopic ellipsometer, et al. The contamination resist capabilities of the single film before and after accelerated contamination in vacuum were compared.

以正硅酸乙酯作为前驱体，利用碱催化方式制备了SiO2溶胶，采用提拉法在K9基片上镀制SiO2单层薄膜，分别用热处理、紫外辐射处理、氨水加六甲基二硅胺烷气氛处理和酸碱复合膜4种后处理法对膜层进行处理，采用分光光度计、红外光谱、扫描探针显微镜、静滴接触角测量仪、椭偏仪等分析了薄膜的特性，通过真空环境加速污染实验对处理前后的膜层进行抗污染能力对比，结果表明：在碱性SiO2膜层上加镀一层酸性SiO2膜的复合膜层整体透过率仍保持在99%以上，疏水角达到128°，膜层真空抗污染能力大大加强。

2.

2. The relative contribution of bacteria and archaea to ammonia oxidation is essential for our understanding of global nitrogen cycle.

氨氧化古菌和细菌对地球氨氧化过程的相对贡献率，是目前全球氮循环研究最重要的微生物生态学问题之一。

3. Live plants will help with the nitrogen cycle diminishing the amount of ammonia and nitrates in the aquarium.

活植物，将有助与氮循环减少的数额氨和硝酸盐的水族馆。

4. The pressure of the ammonia tail gas is utilized to refrigerate through expansion, the low-pressure, low-temperature gas after expansion is returned to the high-efficiency heat exchanger, the cooled ammonia tail gas flows forward into the system, and with the decrease in the tail gas temperature, the ammonia contained changes to liquid and is separated from other constituents.

利用合成氨尾气本身的压力膨胀制冷，膨胀后的低压、低温气体在高效换热器中返流，冷却正流进入系统的合成氨尾气，随着尾气温度的降低，其中的氨变为液体并与其它组分分离。

5. ammonia的意思

5. The influences of desorption temperature and ammonia content on the coefficient of performance were also analyzed.

针对现有吸附制冷系统采用单组分工质作为吸附质导致系统的压力偏高或偏低，且吸附、吸收式制冷效率较低的状况，根据吸收式制冷和吸附式制冷的工作原理及特点，提出了耦合吸附吸收制冷的新技术；同时分别采用13X分子筛、氯化钙和硅胶作为吸附剂，双组分工质氨-水为制冷工质，在不同脱附温度和氨水含量下进行研究。

6. Vitamin C can interrupt the process of melanin production could have been generated to prevent further oxidation of DOPA ammonia was reduced to dopa, and can reduce serum levels of copper oxide, affecting the activity of tyrosine plum, thereby interfering with the biosynthesis of melanin, if the want to make the skin and fair complexion, we might eat more foods rich in vitamin C such as tomatoes, oranges, lemons, hawthorn, citrus and so on.

维生素C能中断黑色素生成的过程本来是可以防止的多巴氨进一步氧化减少到多巴，并能降低血清铜氧化，影响酪氨酸梅的活性，从而与黑色素的生物合成，如果干扰是想使皮肤白皙，我们可能会吃更多的食物含有丰富的维生素C，如西红柿，橙子，柠檬，山楂，柑桔等。

7. In order to depress the lose of ammonia, technological experiments are conducted to test the effects of modi...

工艺流程的安排在经济上较为合理，在技术上是可行的。

8. Through the comparison between methanol synthesis process and ammonia synthesis process, the specific features of chemical production process with different product and their effects on integration of the polygeneration system are discussed.

首先概述了多联产系统集成的原则思路，分析了生产醇醚燃料和合成氨的两类化工系统的流程特点，指出了其对化工和动力系统集成的影响。

9. Another common problem with all SCR systems is the release of unreacted ammonia.

另一种较常见的问题是所有可控硅系统未释放的氨。

10. Extensive experimentation revealed several issues, along with several corresponding solutions:(1) given that lithium metal dissolves slowly in liquid ammonia, considerable time was required to generate the dissolved metal solution (ca. 1 h(2) the t -BuOH must be freshly distilled prior to use 21 to diminish the formation of ketone 19 (Figure 2(3) efficient capture of the lithium enolate (11) required the use of freshly distilled TMSCl and Et 3 N; and (4) the presence of residual thiophenol upon workup was found to inhibit the subsequent Sc 3 -promoted hydroxymethylation.

大量实验揭示若干问题，随着几个对策 1鉴于锂金属溶化慢慢液氨、需要相当多的时间创造了金属溶液溶解(约占1小时)；(2) T恤使操作必须事先用新鲜蒸馏水形成酮减少2119(图2)；有效捕获的锂烯醇(11)使用新鲜蒸馏水需氯和ET三氮；含有残余硫workup经发现抑制随后推选3-羟甲晋升。

11. Shell Clavus Oils are designed for the lubrication of compressors with ammonia (R717) as refrigerant.

特别为应用阿摩尼亚（R717）或碳氢化合物（R600）为冷冻剂的制冷压缩机而研制。

12. ammonia什么意思

12. Pertaining to or containing any of a group of organic compounds of nitrogen derived from ammonia.

与源自氨的任何一种氮的有机化合物相关的或包含之的。

13.

13. But its return to original state product is mainly the ammonia nitrogen, but is not the ideal nitrogen.

但其还原产物主要是氨氮，而不是理想的氮气。

14. The change of ammonia nitrogen concn. in the waterbody had no significant difference from that of the control group.

对于水体中氨氮的浓度，罗非鱼的影响则不明显。

15. ammonia是什么意思

15. Objective: An improved method of ammonia nitrogen in drinking water was developed for the ammonia in workplace air.

目的：建立与生活饮用水氨氮测定相匹配的方法来检测工作场所中空气氨。

16. ammonia的翻译

16. Ammonia nitrogen and total nitrogen removal rates were enhanced to about 95% and 90%.

采用干湿投配的措施对总氮去除效果进行了强化。

17. ammonia的反义词

17. The results showed that the compound microorganism preparation improved water quality and decreased significantly the ammonia nitrogen in water.

试验表明，复合微生物制剂对改善水质，降低水体中的氨氮具有明显作用。

18. Influence factors and rules for adsorption and ion-exchange of ammonia nitrogen by zeolite were analyzed.

分析了氨氮在沸石上发生吸附和离子交换的主要影响因素和规律。

19. The manganic manganous oxide is prepared from the purified manganese sulfate solution using hydrogen peroxide as oxidant under alkali medium of ammonia solution.

研究了从软锰矿制备硫酸锰，在碱性溶液中，以过氧化氢为氧化剂，制备高比表面优质四氧化三锰的新工艺。

20. This precipitate dissolves in an excess of aqueous ammonia.

这个沉淀能溶解在过量的氨水中。

1. 氨；氨水

Ammonia is a colourless liquid or gas with a strong, sharp smell. It is used in making household cleaning substances.

1. Authorities in Raisen were trying to find out whether the leaked gas was ammonia or chlorine.

2. The rescue resumed on Wednesday after a suspected ammonia gas leak from the rubble.

3. They headed back to the air lock, and inspected their suits and equipment for ammonia crystals.

4. The first time was for a false alarm of an ammonia spill.

5. " This isn't your household cleaner ammonia, " Fincke said before flight.

6. The spilled ammonia soon gathered into smoke and spread through the whole factory, blurring rooms and resulting in sore eyes and fainting among the workers.

7. The ammonia spilled from a burst container in the Southwest food and beverage factory as several workers dismantled old equipment around 3 pm.

8. Bits of black gelatinous preserved eggs popped up as I stirred and the distinctive scent of sulfur and ammonia wafted up.

9. HOUSTON - At least 17 people were sickened Friday in an ammonia leak at a northeast meat packing plant in the US state of Texas.

10. He also pointed out other problems in the pollution control process, including ammonia nitrogen pollution and low efficiency in the sewage treatment rate in urban districts.

noun

1. a pungent gas compounded of nitrogen and hydrogen (NH3)

2. a water solution of ammonia

Synonym: ammonia waterammonium hydroxide

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