The major components of PM are sulfate, nitrates, ammonia, sodium chloride, carbon, mineral dust and water.(它的主要組成成分是硫酸鹽、硝酸鹽、氨、氯化鈉、碳、礦物粉塵和水。)

Dilute the ammonia with water before you use it.(使用氨之前用水稀釋它。)

Buy some squeegees, a brush and rags, a pail with rollers attached, and some some ammonia and vinegar.(買一些橡皮掃帚，一個刷子，一些破布，一個配有滾筒的木桶，以及一些氨水和醋。)

It creates an enzyme called vanadium nitrogenase, which produces ammonia from nitrogen.(這些作物都能產生一種名為釩固氮(vanadiumnitrogenase)的酶，它具有把氮轉變成氨的能力。)

In August, the station's cooling pump went on the fritz, spewing ammonia into space.(今年八月，空間站的冷卻泵失常，阿摩尼亞氣體溢出進入太空。)

Then some astronomers came up with the idea that atmospheric ammonia might have acted as a greenhouse gas.(后來一些天文學家提出，大氣中的氨可能起到溫室氣體的作用。)

You've got to have ammonia somewhere in the process.(在生產過程中一定會用到氨。)

Typically, going blonde requires higher levels of ammonia or bleaching products.(作為特色，燙染金發需要較高濃度的氨水或者漂白產品。)

Life generates methane, ammonia, oxygen, hydrogen, carbon dioxide, and many other gases.(生命生產出甲烷、氨氣、氧氣、氫氣、二氧化碳以及其他氣體。)

Insects produce less ammonia than pig and poultry farming, ten times less methane than livestock, and 300 times less nitrous oxide.(昆蟲產生的氨比豬和家禽少，它們產生的甲烷比家畜少十倍，而產生的一氧化二氮比家畜少三百倍。)