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词汇 ammonia
释义

Definition of ammonia in English:

ammonia

nounəˈməʊnɪəəˈmoʊnjə
mass noun
  • 1A colourless gas with a characteristic pungent smell, which dissolves in water to give a strongly alkaline solution.

    阿摩尼亚,氨

    Chemical formula: NH₃

    Example sentencesExamples
    • Methanamide is manufactured by reacting carbon monoxide and ammonia together under pressure.
    • The plant will still emit almost three tonnes of nitrous oxide, ammonia and other toxins into the Lower Fraser Valley per day.
    • The ligand may be either positively or negatively charged, or may be a molecule of water or ammonia.
    • Some nitrogen gases, especially ammonia, are alkaline when dissolved in rain.
    • They will be studying water, carbon monoxide, ammonia and methanol four of the most abundant gases from comets.
    • Two other very important inorganic compounds that are synthesized commercially are ammonia and nitric acid.
    • Adenine can be formed from ammonia and hydrogen cyanide, as can guanine.
    • This enzyme breaks down any urea in the stomach to ammonia and carbon dioxide
    • Urinary saturation with struvite occurs only when supranormal excretion of ammonia and alkaline urine occur together.
    • Nitric acid is produced industrially by the oxidation of ammonia over a platinum catalyst at a high temperature.
    • In the Solvay process, carbon dioxide and ammonia are passed into a concentrated solution of sodium chloride.
    • When ammonia is reacted with nitric acid, ammonium nitrate is produced.
    • These include things such as urea, ammonia, nitric acid, and ammonium phosphate.
    • It does this by activating its own cytoplasmic urease, which converts urea into carbon dioxide and ammonia.
    • Only later could they be penalized for exceeding the emissions limits for ammonia and hydrogen sulfide.
    • From natural gas, the factory produced ammonia, then nitric acid, urea and ammonium nitrate.
    • Air, water, hydrocarbons, ammonia and carbondioxide are known as the Friendly Five.
    • He isolated around twenty different airs, including hydrogen chloride, nitric oxide, and ammonia.
    • The ester functional group can also be split by ammonia to give amides and alcohols.
    • Tertiary amines are manufactured by heating an alcoholic solution of ammonia with excess alkyl halide.
    1. 1.1 A solution of ammonia, used as a cleaning fluid.
      氨水
      Example sentencesExamples
      • One way of removing built up floor wax manually, is to mix detergent and ammonia with water and apply to the floor with a mop or sponge.
      • Make a mixture of detergent and ammonia for cleaning the walls.
      • Never mix chlorine solutions with other cleaning agents or ammonia, because toxic gases are formed.
      • One of the attackers was armed with a washing-up liquid bottle which is believed to have contained ammonia.
      • One member was said to be carrying a washing-up liquid bottle, thought to contain ammonia, while another had a brown cricket kit type bag.
      • Some folks also recommend ammonia in the water bottle, but make sure you don't get confused and take a sip.
      • And I'll remember to stock up on ammonia to clean the eggs off my door the next day when I do
      • Rub with a cloth dampened in a solution of household ammonia and water.
      • Add a few drops of ammonia to the rinse water for glass lamps, chimneys, and globes.
      • The fluid smelt of ammonia and the victim was taken to hospital with stinging eyes after his attacker fled.
      • Use a light solution of ammonia and water on a toothbrush or soft cloth, then rinse thoroughly with water.
      • Fill the tank with a solution of one part household ammonia to 100 parts water.

Origin

Late 18th century: modern Latin, from sal ammoniacus (see sal ammoniac).

Rhymes

Amazonia, Antonia, Babylonia, begonia, bonier, Catalonia, catatonia, Cephalonia, Estonia, Ionia, Laconia, Livonia, Macedonia, mahonia, Patagonia, pneumonia, pogonia, Rondônia, sinfonia, Snowdonia, valonia, zirconia

Definition of ammonia in US English:

ammonia

nounəˈmoʊnjəəˈmōnyə
  • 1A colorless gas with a characteristic pungent smell. It dissolves in water to give a strongly alkaline solution.

    阿摩尼亚,氨

    Chemical formula: NH₃

    Example sentencesExamples
    • Air, water, hydrocarbons, ammonia and carbondioxide are known as the Friendly Five.
    • Two other very important inorganic compounds that are synthesized commercially are ammonia and nitric acid.
    • They will be studying water, carbon monoxide, ammonia and methanol four of the most abundant gases from comets.
    • The ligand may be either positively or negatively charged, or may be a molecule of water or ammonia.
    • Adenine can be formed from ammonia and hydrogen cyanide, as can guanine.
    • Nitric acid is produced industrially by the oxidation of ammonia over a platinum catalyst at a high temperature.
    • These include things such as urea, ammonia, nitric acid, and ammonium phosphate.
    • From natural gas, the factory produced ammonia, then nitric acid, urea and ammonium nitrate.
    • He isolated around twenty different airs, including hydrogen chloride, nitric oxide, and ammonia.
    • The ester functional group can also be split by ammonia to give amides and alcohols.
    • Urinary saturation with struvite occurs only when supranormal excretion of ammonia and alkaline urine occur together.
    • Tertiary amines are manufactured by heating an alcoholic solution of ammonia with excess alkyl halide.
    • Methanamide is manufactured by reacting carbon monoxide and ammonia together under pressure.
    • When ammonia is reacted with nitric acid, ammonium nitrate is produced.
    • Only later could they be penalized for exceeding the emissions limits for ammonia and hydrogen sulfide.
    • This enzyme breaks down any urea in the stomach to ammonia and carbon dioxide
    • It does this by activating its own cytoplasmic urease, which converts urea into carbon dioxide and ammonia.
    • Some nitrogen gases, especially ammonia, are alkaline when dissolved in rain.
    • The plant will still emit almost three tonnes of nitrous oxide, ammonia and other toxins into the Lower Fraser Valley per day.
    • In the Solvay process, carbon dioxide and ammonia are passed into a concentrated solution of sodium chloride.
    1. 1.1 A solution of ammonia, used as a cleaning fluid.
      氨水
      Example sentencesExamples
      • And I'll remember to stock up on ammonia to clean the eggs off my door the next day when I do
      • One way of removing built up floor wax manually, is to mix detergent and ammonia with water and apply to the floor with a mop or sponge.
      • The fluid smelt of ammonia and the victim was taken to hospital with stinging eyes after his attacker fled.
      • Rub with a cloth dampened in a solution of household ammonia and water.
      • Make a mixture of detergent and ammonia for cleaning the walls.
      • Fill the tank with a solution of one part household ammonia to 100 parts water.
      • Some folks also recommend ammonia in the water bottle, but make sure you don't get confused and take a sip.
      • One member was said to be carrying a washing-up liquid bottle, thought to contain ammonia, while another had a brown cricket kit type bag.
      • Use a light solution of ammonia and water on a toothbrush or soft cloth, then rinse thoroughly with water.
      • Never mix chlorine solutions with other cleaning agents or ammonia, because toxic gases are formed.
      • One of the attackers was armed with a washing-up liquid bottle which is believed to have contained ammonia.
      • Add a few drops of ammonia to the rinse water for glass lamps, chimneys, and globes.

Origin

Late 18th century: modern Latin, from sal ammoniacus (see sal ammoniac).

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