urea

[US]/jʊ'riːə/
[UK]/jʊ'riə/
Frequency: Very High

Translation

n. urea

Phrases & Collocations

urea nitrogen

urea formaldehyde

urea formaldehyde resin

urea resin

urea peroxide

urea fertilizer

Example Sentences

Methane phosphonic acid, salt of guanyl urea;

Urea, polymer with ammonium chloride , cyanoguanidine and formaldehyde;

Im : Urea, Hexamine, Pentaerythritol, Titanium Dioxide, Rutile, T.M.P.(Tri Methyol Propane

This proved that nitrourea was a more suitable reactant than urea to synthesize Keto-RDX.

Urea solution with the addition of formaldehyde can be used to produce larger urea prills, the strength of the product prills is improved, and dust is reduced;

The biruet can develop the color with the cupric sulfate in the alkaline solution, we call that the biruet reaction.Malonyl urea has acidity, so we call it barbituric acid.

The soy sauce containing urea will become red when heated together with diacetyldioxime and phosphoric acid.

Cross-linking agent glycoluril with a yield of 61.8% had been synthesized by employing urea and glyexal as reactants,and hydrochloric acid as catalysts.

Since various, cause has not given a test to maneb zinc supersession thing second braces sulfurs urea (ETU).

Bromacil was synthesized using 2-bromobutane and urea as the starting materials in three steps including condensation,cyclization and bromination with total yield of 61%.

A kind of monosubstituted squaric amide ——mono carbamoyl amide of squaric acid 3(MCASAQ) was prepared by the condensation of squaric acid (SQ) with urea or its derivatives in water.

High-grade filling and retanning agent CDF was prepared by condensation polymerization reaction of urea,cyanuramide and dicyandimide.The property and application of the product were discussed.

Methods Compounded one kind of trisaccharide iron urea indol culture medium and the trisaccharide iron agar has carried on the contrast experiment with the national standard method in voluntarily.

This paper presents the studies on the reaction form of urea or nitrourea which condenses with nitrolysis fragments of urotropine to form Keto-RDX in nitrating agents.

This paper has studied the phthalocyanin complex of Cobalt synthesized by benzene bitter wine-urea law,and after depuration,an infrared, ultra-violet spectrograph determination is carried.

The new receptors are compared with preiously reported urea-based receptors targeting the glutamic acid residue and receptors targeting the pteridine substructure of folic acid.

And two new segmented poly(urethaneureas) were prepared from poly(tetramethylene glycol)(PTMG) or polyadipate of 1,4 butanediol(PBA), MDI and Urea(as chain extender).

This thesis mainly introduced that ureas and semicarbazides were synthesized by oxidation of corresponding thioureas and thiosemicarbazides using 30% peroxide as oxidant.

Real-world Examples

So, with Klebsiella, urease makes urea dissociate into carbon dioxide and ammonia.

Source: Osmosis - Microorganisms

Mainly, urea and uric acid producing even more ammonia.

Source: Scishow Selected Series

Those cars don't have the urea tank right now.

Source: NPR News October 2015 Collection

So, with Staph saprophyticus, urease makes urea dissociate into carbon dioxide and ammonia.

Source: Osmosis - Microorganisms

Using a special enzyme, they stuff urea — another nitrogen containing compound — into their tissues.

Source: PBS Fun Science Popularization

The fatty acids, urea, uric acid and lactate in the sebaceous film protect and hydrate the skin.

Source: Intermediate English short passage

So, if you’re eating a high-salt diet, your body responds by making more urea.

Source: SciShow Collection

Some of it we use to make urea.

Source: Freakonomics

They made a cement from urea and faux lunar soil.

Source: Student Science Journal

And be sure to use fertilizer without urea.

Source: First Arrival (Season 2)

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