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ammonium [ə'məʊniəm, ə'moʊ-] n
gen. 铵〔根〕; 铵基
agric. 铵 (基，NH+ +)
archit. 铵 (NH₄)
chem. 铵离子
el. 钱基
met. 铵基 (NH4)
plast. 钱 (NH₄⁺,NH₃R⁺,NH₂R₂⁺， NHR₃⁺,NR₄⁺)
space 氨
tech. 铵基; 桜
UN, chem. 铵
ammonium radical n
chem. 铵根
ammonium The radical NH4+, NH4 n
environ. 铵 (NH4+基)
ammonium: 925 phrases in 39 subjects
Agriculture69
Animal husbandry6
Architecture5
Automobiles1
Aviation3
Business2
Chemistry247
Coal2
Dermatology3
Desert science6
Earth sciences19
Ecology6
Electric machinery1
Electronics40
Explosives and Explosive Ordnance Disposal58
Food industry10
Food service and catering10
Forestry2
General16
Hydroelectric power stations3
Information technology1
Metallurgy82
Mining3
Nautical2
Nursing1
Oil / petroleum47
Oil processing plants1
Perfume5
Pharmacology42
Plastics14
Polymers14
Reproductive biology4
Semiconductors1
Space13
Surgery2
Technology140
Textile industry5
United Nations7
Water resources32

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