| 词汇 | potassium |
| 释义 | potassium noun[ U ] uk /pəˈtæs.i.əm/ us /pəˈtæs.i.əm/(symbolK) a silver-white chemical element that, when combined with other elements, is used in the production of soap, glass, and fertilizers (= substances that help plants to grow)钾 Chemical elements actinium alkali metal americium astatine berkelium brimstone bromine calcium fluorine germanium iodine lithium manganese nickel plutonium quicksilver selenium silicon sodium transition metal potassium | American Dictionarypotassium noun[ U ] us/pəˈtæs·i·əm/ a soft, silver-white metal that burns quickly in the air and is used in special hard glasses and fertilizers (= substances that help crops grow better) Examples of potassiumpotassium Cesium in the intracellular solution blocks potassium channels like delayed rectifier and inactivating potassium channels. These include a regenerative sodium current, the potassium inward rectifier, potassium delayed rectifier and transient outward potassium current, and several calcium currents. Starch grains were visualized by a weak solution of iodine (0.3 g iodine and 1.5 g potassium iodide in 100 ml water). Sustained and transient potassium currents of cultured horizontal cells isolated from white bass retina. The glomerular lesions and disappearance of glomeruli compromised the renal function of these animals, a fact reflected in raised serum potassium and urea concentrations. This observation suggests that the potassium present on the organic materials became easily available upon incorporation into the soil. Most notable is the high concentration of potassium in pseudostem and stalk. Samples of 10-50 g of coal were macerated in nitric acid and then cleared in potassium hydroxide. The newborn kidney is less able to excrete potassium, which may in part be due to diminished responsiveness of the kidney to aldosterone. Conductance and kinetics of delayed rectifier potassium channels in nodal cells of the rabbit heart. The content of uranium, thorium, and potassium in the figurine were determined using instrumental neutron-activation analysis. Free energy of a potassium ion in a model of the channel formed by an amphipathic leucine-serine peptide. Organic matter, carbon and nitrogen had the lowest coefficient of variation in leaf fall, while those for magnesium, phosphorus and potassium were intermediate. Response by sugar beet to potassium and sodium fertilizers, particularly in relation to soils containing little exchangeable potassium. This raised a dilemma as to when potassium could legally, and ethically, still be administered to the fetus with an abnormal heart. 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. Collocations withpotassiumpotassiumThese are words often used in combination with potassium. Click on a collocation to see more examples of it. amount of potassium The color is due to a large amountofpotassium feldspar. 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. potassium content Available potassium content, however, decreased in all the plots. 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. See all collocations with potassium |
| 随便看 |
|
反思网英语在线翻译词典收录了377474条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。