| 词汇 | sulphate |
| 释义 | sulphate noun[ C or U ] mainly UK(US usuallysulfate)uk /ˈsʌl.feɪt/ us /ˈsʌl.feɪt/ a chemical formed from sulphur, oxygen, and another element硫酸盐;硫酸酯 Chemicals, chemical compounds & gases acetic acid acetone acrolein acrylamide activated charcoal adenine agglomerate ethyl alcohol glyphosate H2O HCFC HFC hyaluronic acid hydrochloric acid laughing gas limescale meths oxyacetylene prussic acid tartaric acid Examples of sulphatesulphate Possibly existing carbonates will form sulphates at their surfaces. The extract was then dried with magnesium sulphate, filtered and evaporated on a rotary evaporator to 200 ml. Later the products of biotransformation of sulphate during the culture growth were analysed. The second geological outcrop was partly covered by a crust of sulphate and carbonate minerals. Do women with pre-eclampsia, and their babies, benefit from magnesium sulphate? This is because the analytical methods employed, particularly at the derivatization stage, are sensitive to water and sulphate salts. This holds true regardless of the concentration of the elements and whether they were sprayed in the form of chelate or sulphate. Evidence for photosynthetic activity within sulphate crystals is therefore interesting as a habitat that could be widespread on other planets. Robust sulphate reduction, substrate utilization, and target biomass production is currently being observed and reported. The samples were examined by simple smear and zinc sulphate concentration methods. For nitrate and phosphate, data represent means of 30 replicates; for chloride, means of three replicates; for sulphate, a single replicate. These results are analogous to the deviations shown by fractionation due to bacterial sulphate reduction. Readings were standardized for 100% reflectance with barium sulphate. The reference was a barium sulphate standard plate. There is some indication that potash levels declined before the application of potassium sulphate in 2002, but trends are not significant. 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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