词汇 | copper-sulphate |
释义 | copper sulphate noun[ U ] chemistry UKspecialized(UScopper sulfate)uk /ˌkɒp.ə ˈsʌl.feɪt/ us /ˌkɑː.pɚ ˈsʌl.feɪt/ a blue crystal that is used in industry in electroplating and in agriculture to kill fungus硫酸铜 Chemicals, chemical compounds & gases acetic acid acetone acrolein acrylamide activated charcoal adenine agglomerate ethyl alcohol H2O HCFC HFC hyaluronic acid hydrochloric acid hydrochlorofluorocarbon laughing gas limescale metho meths oxyacetylene tartaric acid Bordeaux mixture, a mixture of copper sulphate, lime and water used to prevent plant diseases. If the copper sulphate becomes exhausted, it should be replenished by dropping in more crystals. So he used this receipt: Dissolve six pounds of copper sulphate in six gallons of water. The copper sulphate solution will last for months, but the acid must be emptied out and recharged daily. To this last is joined a drying-tube containing chloride of calcium and anhydrous copper sulphate. Examples of copper sulphatecopper sulphate In contrast, exposure to coppersulphate showed that uninfected snails demonstrated a greater carotenoid reduction at low concentrations (0.2 mg l21) than infected snails. I am advised that carbon tetrachloride and coppersulphate are readily obtainable through the usual trade channels at reasonable prices. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Supplies of coppersulphate are available for the spraying of fruit trees as a preventive against brown rot. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 We put on 100 gallons of water to the acre, using a perfectly simple material called coppersulphate (bluestone). From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 I applied bordeaux mixture—coppersulphate and lime—to prevent blight in potatoes. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 You have limited the export of coppersulphate. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Coppersulphate is not added for purposes of palatability, but aluminium certainly is. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 A number of additives are made to water, not just to make it safe, like chlorine, but additives such as calcium, aluminium and even coppersulphate. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 It was a mixture of coppersulphate and ammonium carbonate. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Peronospera can be treated by spraying plants with coppersulphate. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It also contains elements of magnesium and coppersulphate. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. On peat soils, lasting correction of copper deficiency is difficult, as applied coppersulphate is rendered unavailable. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. On sandy soils, palms recover rapidly after a basal application of 50 grams of coppersulphate. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The bath usually contains coppersulphate or formalin. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Regular footbaths should be organised, using formalin or coppersulphate. 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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