| 单词 | ammonium |
| 释义 | ammonium noun[U] chemistryspecializeduk/əˈməʊ.ni.əm/us/əˈmoʊ.ni.əm/atypeofionthat isderivedfromammoniaand iscontainedinchemicalcompoundsof it: 铵，氨盐基ammoniumchloride氯化氨 ammoniumnitrate硝酸氨 Chemicals, chemical compounds & gases
Examplesofammoniumammonium Theammoniumtransported in runoff from the composted dairy manure was somewhat consistent for the 10-week study. From theCambridge English Corpus In addition, the enzyme was not inhibited by levamisole andammoniummolybdate, excluding alkaline phosphatase and nucleotidase activities, respectively. From theCambridge English Corpus Microbial immobilization ofammoniumand nitrate in relation to ammonification and nitrification rates in organic and conventional cropping systems. From theCambridge English Corpus The differentiation process was stopped by transfer briefly to alkaline alcohol (0.25 mlammoniumhydroxide in 250 ml 70% ethanol). From theCambridge English Corpus Differentiation was stopped by transfer briefly to alkaline alcohol (0.25 mlammoniumhydroxide in 250 ml 70% ethanol). From theCambridge English Corpus Ammoniumwas the major source of mineral nitrogen, and glutamine was the most abundant free amino acid. From theCambridge English Corpus Nitrification was significantly increased in soils amended withammoniumor withammoniumplus phosphorus, suggesting that nitrification is substrate-limited. From theCambridge English Corpus During that time period, theammoniumloss from sulphur-coated urea was significantly greater than that measured from the composted dairy manure. From theCambridge English Corpus Treatments includeammoniumnitrate (closed circles), sulphur-coated urea (open circles), composted dairy manure (closed triangles), and poultry litter (open triangles). From theCambridge English Corpus The post-1996 wheat crop samples were also analysed for exchangeable bases (ammoniumacetate extraction) and cation exchange capacity (potassium chloride). From theCambridge English Corpus Simulations were performed in three different scenarios of availability ofammoniumand oxygen, to evaluate the evolution of the three microbial species present. From theCambridge English Corpus One bit of information is from the quaternaryammoniumions and their entry and escape rates through this gate in the open and closed states. From theCambridge English Corpus Nitrogen was quite low compared to other species, and it was essentially supplied in the form ofammoniumand amino acids. From theCambridge English Corpus Ammoniumand nitrate were extracted before and after the incubation as described above. From theCambridge English Corpus Potassium, nitrate andammoniumconcentrations and fluxes showed dramatic responses to hurricane disturbance. From theCambridge English Corpus These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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