| 单词 | potassium |
| 释义 | potassium noun[U] uk/pəˈtæs.i.əm/us/pəˈtæs.i.əm/(symbolK)a silver-whitechemicalelementthat, whencombinedwith otherelements, is used in theproductionofsoap,glass, andfertilizers(=substancesthathelpplantstogrow) 钾Chemical elements
potassium| American Dictionarypotassium noun[U] us/pəˈtæs·i·əm/asoft, silver-whitemetalthatburnsquicklyin theairand is used inspecialhardglassesandfertilizers(=substancesthathelpcropsgrowbetter) Examplesofpotassiumpotassium Cesium in the intracellular solution blockspotassiumchannels like delayed rectifier and inactivatingpotassiumchannels. From theCambridge English Corpus These include a regenerative sodium current, thepotassiuminward rectifier,potassiumdelayed rectifier and transient outward potassium current, and several calcium currents. From theCambridge English Corpus Starch grains were visualized by a weak solution of iodine (0.3 g iodine and 1.5 gpotassiumiodide in 100 ml water). From theCambridge English Corpus Sustained and transientpotassiumcurrents of cultured horizontal cells isolated from white bass retina. From theCambridge English Corpus The glomerular lesions and disappearance of glomeruli compromised the renal function of these animals, a fact reflected in raised serumpotassiumand urea concentrations. From theCambridge English Corpus This observation suggests that thepotassiumpresent on the organic materials became easily available upon incorporation into the soil. From theCambridge English Corpus Most notable is the high concentration ofpotassiumin pseudostem and stalk. From theCambridge English Corpus Samples of 10-50 g of coal were macerated in nitric acid and then cleared inpotassiumhydroxide. From theCambridge English Corpus The newborn kidney is less able to excretepotassium, which may in part be due to diminished responsiveness of the kidney to aldosterone. From theCambridge English Corpus Conductance and kinetics of delayed rectifierpotassiumchannels in nodal cells of the rabbit heart. From theCambridge English Corpus The content of uranium, thorium, andpotassiumin the figurine were determined using instrumental neutron-activation analysis. From theCambridge English Corpus Free energy of apotassiumion in a model of the channel formed by an amphipathic leucine-serine peptide. From theCambridge English Corpus Organic matter, carbon and nitrogen had the lowest coefficient of variation in leaf fall, while those for magnesium, phosphorus andpotassiumwere intermediate. From theCambridge English Corpus Response by sugar beet topotassiumand sodium fertilizers, particularly in relation to soils containing little exchangeablepotassium. From theCambridge English Corpus This raised a dilemma as to whenpotassiumcould legally, and ethically, still be administered to the fetus with an abnormal heart. 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. CollocationswithpotassiumpotassiumThese are words often used in combination withpotassium. Click on a collocation to see more examples of it. amount of potassium The color is due to a largeamountofpotassiumfeldspar. From Wikipedia  This example is from Wikipedia and may be reused under a CC BY-SA license.potassium channel Potassium and sodium ions in a potassium channel studied by molecular dynamics simulations. From theCambridge English Corpus potassium content Available potassium content, however, decreased in all the plots. 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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