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日期:2024-07-08
The anion is the conjugate base of nitric acid, consisting of one central nitrogen atom surrounded by three identically bonded oxygen atoms in a trigonal planar arrangement. The nitrate ion carries a formal charge of -1. This results from a combination fo...
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日期:2024-07-09
Production and reactivity [edit] Norgessalpeter was the first synthetic nitrogen fertilizer compound to be manufactured. Production began at Notodden, Norway in 1905 by the Birkeland–Eyde process. Most of the world's calcium nitrate is now made in Porsgru...
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日期:2024-07-09
Humans have radically changed natural supplies of nitrates and nitrites. The main cause of the addition of nitrates and nitrites is the extensive use of fertilizers. Combustion processes can also enhance the nitrate and nitrite supplies, due to the emissi...
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日期:2024-07-10
The earthly matter cycle of nitrogen ... Nitrogen is a part of vital organic compounds in microrganisms, such as amino acids, proteins and DNA. The gaseous form of nitrogen (N 2), makes up 78% of the troposphere....
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日期:2024-07-06
Ammonium nitrate is a chemical compound. Its chemical formula is NH4NO3. It contains ammonium and nitrate ions. The nitrogen is in the -3 and +5 oxidation states....
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日期:2024-07-09
Potassium nitrate is a chemical compound. It has the chemical formula KNO3. It contains potassium and nitrate ions. It is often called saltpeter....
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日期:2024-07-05
Groundwater Nitrate - UC Davis Report for the SWRCB SBX2 1 Report to the Legislature ... Prepared by: Thomas Harter and Jay R. Lund (Principal Investigators) Jeannie Darby, Graham E. Fogg, Richard Howitt, Katrina K. Jessoe, G. Stuart Pettygrove, James F ....
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日期:2024-07-09
Table of Contents Introduction Nitrate Nitrite Ammonia Natural Losses from the Nitrogen Cycle Farm Management Options Ontario's Nitrogen Index: Part of Ontario's Nutrient Management Planning Software Introduction Nitrogen is a common element in ......