| 单词 | nitrogen |
| 释义 | nitrogen noun[U] uk/ˈnaɪ.trə.dʒən/us/ˈnaɪ.trə.dʒən/(symbolN)achemicalelementthat is agaswith nocolourortaste,formsmost of the earth'satmosphere, and is apartof alllivingthings 氮（气）Chemical elements
nitrogen| American Dictionarynitrogen noun[U] us/ˈnɑɪ·trə·dʒən/biology,chemistry agas, one of thechemicalelements, that has nocolorortaste, is apartof alllivingthings, andformsabout 78percentof the earth’satmosphere(=mixtureofgasessurroundingit) Examplesofnitrogennitrogen These algal mats are said to be rich in phosphates,nitrogen, organic matter, and cation-exchange capacity. From theCambridge English Corpus The high nutritional quality of the detrital organic matter in our study stream may result from grazing by tadpoles which enhancesnitrogenfluxes. From theCambridge English Corpus Is the productivity of organic farms restricted by supply of availablenitrogen? From theCambridge English Corpus Utilizing thenitrogencontent of organic manures on farms-problems and practical solutions. From theCambridge English Corpus Decline in soil organic carbon and totalnitrogenin relation to tillage, stubble management and rotation. From theCambridge English Corpus In addition, we recovered other embryos after storage of up to 18 months in liquidnitrogento provide information on mutation during storage. From theCambridge English Corpus Optimizing time distribution of water supply and fertilizernitrogenrates in relation to targeted wheat yield. From theCambridge English Corpus Real-time measures of canopy size as a basis for spatially varyingnitrogenapplications to winter wheat sown at different seed rates. From theCambridge English Corpus The small sample size used may not have been representative of the actual levels of soilnitrogenor large enough to resolve differences between farms. From theCambridge English Corpus The soil nutrients that normally pose the most important limitations to agricultural productivity are phosphorus andnitrogen. From theCambridge English Corpus As a result, later research focused on psychrotolerant cyanobacteria capable of utilizing atmosphericnitrogen. From theCambridge English Corpus These hypotheses will be tested as additional genomic, biochemical and geological evidence sheds more light on the evolution ofnitrogenfixation, photosynthesis and cyanobacteria. From theCambridge English Corpus Understanding the planetarynitrogencycle is critical to understanding the origin and evolution of life. From theCambridge English Corpus Response of maize to three planting densities at four level ofnitrogenfertiliser application. From theCambridge English Corpus However, by reducing the potential for surface runoff loss, the release ofnitrogenavailable for plant use is also delayed. 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. CollocationswithnitrogennitrogenThese are words often used in combination withnitrogen. Click on a collocation to see more examples of it. amount of nitrogen Measurement ofamountofnitrogenfixed by a legume crop. From theCambridge English Corpus atmospheric nitrogen As a result, later research focused on psychrotolerant cyanobacteria capable of utilizingatmosphericnitrogen. From theCambridge English Corpus excess nitrogen Being practically neutral and highly soluble in water, urea is a safe vehicle for the body to transport and excreteexcessnitrogen. From Wikipedia  This example is from Wikipedia and may be reused under a CC BY-SA license.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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