Nitrates - Sodium Nitrate - Sodium Nitrite
Nitrates and nitrites are widely used in preserving meats. And while nitrates are commonly thought to be bad for you, that's not the case at all.
http://culinaryarts.about.com/od/seasoningflavoring/a/nitrates.htm
Nitrate (NO3) - A Problem Element in Saltwater Aquariums
The accumulation of nitrate or NO3 is a common problem in saltwater aquarium and reef tank systems. Here you can learn about what nitrate is, where it comes ...
http://saltaquarium.about.com/od/nitratecontrol/Nitrate_NO3_A_Growing_Problem.htm
Viagra in heart disease
Patients taking both nitrates and sildenafil are prone to develop severe ... Patients taking nitrates for their coronary artery disease, therefore, ...
http://heartdisease.about.com/cs/coronarydisease/a/viagraheart.htm
Are Nitrates Dangerous?
Oct 5, 2008 ... The significance of nitrates in the aquarium are arguably less understood by fishkeepers than the effect of ammonia and nitrites. ...
http://freshaquarium.about.com/b/2008/10/05/are-nitrates-dangerous-2.htm
Nitrate, and Ways to Control It in Saltwater Aquariums
Nitrate or NO3 what this element in a saltwater aquarium is, where it comes from , what the acceptable level of nitrate is for fish-only and reef tank ...
http://saltaquarium.about.com/od/nitratecontrol/ss/nitratecontrol.htm
Nitrate - Controlling Nitrates in a Saltwater Aquarium
Nitrates can be a problem in a saltwater aquarium. Nitrates are a part of nature , but excess nitrates can be harmful to corals and other invertebrates.
http://saltaquarium.about.com/od/nitratecontrol/tp/nitratehub.htm