ammonia

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ammonia

 [ah-mo´nyah]
a colorless alkaline gas, NH3, with a pungent odor and acrid taste, and soluble in water.
ammonia N 13 ammonia in which a portion of the molecules are labeled with 13N; used in positron emission tomography of the cardiovascular system, brain, and liver.

am·mo·ni·a

(ă-mō'nē-ă),
A colorless volatile gas, NH3, highly soluble in water, capable of forming a weak base, which combines with acids to form ammonium compounds.
[fr. L. sal ammoniacus, salt of Amen (G. Ammōn), obtained near a temple of Amen in Libya]

ammonia

Biochemistry
An irritating, water-soluble, strongly basic, colourless gas, which is lighter than air.
 
Industry
Ammonia (NH3) is used in explosives, fertilisers, refrigerants and household cleaning solutions.
 
Physiology
NH3 is produced in the liver, intestine and kidneys as an end-product of protein metabolism; the liver converts ammonia into urea, which is then excreted by the kidneys; in liver disease this conversion is decreased, resulting in increased serum ammonia. Serial measurement of ammonia is used to follow progression of hepatic encephalopathy in Reye syndrome and other conditions.
 
Ref range
15–49 µg/dL.
 
Abnormal values
Increased hepatic coma, Reye syndrome, severe CHF, GI haemorrhage, erythroblastosis fetalis, drugs (e.g., diuretics and antibiotics).

ammonia

NH3 Physiology NH3 is produced in the liver, intestine, and kidneys as endproduct of protein metabolism; the liver converts ammonia into urea, which is then excreted by the kidneys; in liver disease this conversion is diminished, resulting in ↑ serum ammonia; serial measurement of ammonia is used to follow the progression of hepatic encephalopathy in Reye syndrome and other conditions Ref range 15-49 µg/dL Abnormal values ↑ Hepatic coma, Reye syndrome, severe CHF, GI hemorrhage, erythroblastosis fetalis, drugs–eg, diuretics and antibiotics. See Hepatic encephalopathy.

am·mo·nia

(NH3) (ă-mō'nē-ă)
A colorless volatile gas, NH3, highly soluble in water, capable of forming a weak base, which combines with acids to form ammonium compounds.
[fr. L. sal ammoniacus, salt of Amen (G. Ammōn), obtained near a temple of Amen in Libya]

ammonia

A substance produced when AMINO ACIDS are broken down. Ammonia is converted by the liver into urea and excreted in the urine. Urea can be broken down by bacterial enzymes to release ammonia. This may be a cause of nappy rash in babies.

ammonia

a colourless gas, which is the main form in which nitrogen is utilized in living cells. Formula: NH3.

am·mo·nia

(ă-mō'nē-ă)
A colorless volatile gas, NH3, highly soluble in water, capable of forming a weak base, which combines with acids to form ammonium compounds.
[fr. L. sal ammoniacus, salt of Amen (G. Ammōn), obtained near a temple of Amen in Libya]
References in periodicals archive ?
It is obvious that by increasing the ammonia-water dilution pressure in the boiler, the net power generation of ammonia water combined cycle will be increased.
By increasing the ammonia-water dilution pressure in the boiler, the net power generation of ammonia water combined cycle and the thermodynamic efficiency of combined cycle will be increased.
The increasing pressure of ammonia water dilution in boiler will cause the reduction of destruction exergy.
By adding the ammonia water power generation cycle into the whole system to recycle heat from the gas turbine cycle, 16.46% percent of power generated in the gas cycle turbine can be produced in the ammonia water combined cycle.
ammonia water 24%, the second species, in an amount of 18 152 tonnes to be delivered in two parts, the two n.
Planned Employer demand for ammonia water 24% is estimated in the amount of not more than 9 060 tonnes.