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31 The advent of natural gas for use in the ammonia process occurred in the early 1970s.

32 Every time a new fish is introduced test for ammonia and nitrites for several days afterwards.

33 Methane condenses to form a cloud layer above the ammonia clouds, leaving a gas that is almost entirely hydrogen and helium.

34 In water some of the toxic ammonia forms non-toxic ammonium.

35 There was a faint scent of ammonia in the air.

36 I assume you all know what raw ammonia does to the eyesight?

37 Essentially the bacteria change the harmful ammonia and nitrites that are produced into harmless nitrates that are useful to living plants.

38 Read in studio A woman was sprayed in the eyes with ammonia after disturbing a gang of burglars at her parents home.

39 It put both the ammonia storage tank and the transmission line underground.

40 Symptoms of ammonia poisoning are similar to those of low oxygen, although the fish objects.

41 While you do this, monitor the water for ammonia, nitrite and dissolved oxygen.

42 A small bag of zeolite was used for three days, every two weeks to keep ammonia in check.

43 It would be an idea to test the pond water for ammonia and nitrite when you restock with fish.

44 Manure seepage from storage areas is polluting waterways and evaporating ammonia is contributing to acid rain.

45 But one animal protein feed has been produced from bacterial synthesis using ammonia, methanol from North Sea gas and minerals.

46 One molecule of ammonia contains one atom of nitrogen and three atoms of hydrogen.

47 After washing the resin with ammonia free water, sodium chloride is used to elute the ammonium ion from the resin.

48 I would stink of cabbage and ammonia and sweat for days after I left.

49 Pemex received three bids on its Cosolacaque operation, which produces ammonia in southeastern Veracruz state.

50 However it can become fully charged up with ammonia, and start to leach it back into the water.

51 Feces contain an enzyme which can release ammonia from urine.

52 Fish take in oxygen from the water and excrete ammonia and carbon dioxide through their gills.

53 Amines are a series of organic compounds related to ammonia.

54 The major Billingham-based production includes ammonia, nitric acid, urea and both straight nitrogen and compound fertilizers.

55 Ammonia, also known as anhydrous ammonia, a colorless liquid.

56 Ammonia - air mixtures are quite difficult to ignite.

57 When the bacteria die,[Sentence dictionary] the plants absorb the ammonia.

58 The smelling of ammonia brought himaround.

59 Anhydrous ammonia is an excellent example.

60 They will react with ammonia to form amidines.