| 单词 | alkaline |
| 释义 | alkaline (ælkəlaɪn ) adjective Something that is alkaline contains an alkali or has a pH value of more than 7. Some soils are actually too alkaline for certain plant life. alkalinity (ælkəlɪnɪti ) uncountable noun A pH test measures the acidity or alkalinity of a substance. [+ of] Collocations: alkaline battery Common examples are the alkaline battery used for flashlights and a multitude of portable devices. Retrieved from Wikipedia CC BY-SA 3.0 As an example, an alkaline battery cell has a nominal voltage of. Retrieved from Wikipedia CC BY-SA 3.0 In 1949, it introduced a new type of alkaline battery. Retrieved from Wikipedia CC BY-SA 3.0 The zinc-carbon battery and the alkaline battery normally use industrially produced manganese dioxide, because natural occurring manganese dioxide contains impurities. Retrieved from Wikipedia CC BY-SA 3.0 A rechargeable alkaline battery allows reuse of specially designed cells. Retrieved from Wikipedia CC BY-SA 3.0 Stable to oxygen and acid, and to heat except in alkaline solution. The Dictionary of Nutritional Health (1986) This acid then leaks through the alkaline solution in the maze setting up a kind of chemical hill. Times, Sunday Times (2010) Production of ultrafine zinc powder from industrial wastes by electrowinning in alkaline solution was studied. 2013, 'Production of ultrafine zinc powder from wastes containing zinc by electrowinning in alkaline solution', Brazilian Journal of Chemical Engineering The ash usually contains little plant food, but can raise the soil pH as it may be slightly alkaline. The Sun (2016) Wood ash contains very little plant food, but may raise the soil pH as it may be slightly alkaline. The Sun (2013) Avoid mushroom compost because it is slightly alkaline. Times, Sunday Times (2012) Translations: Chinese: 碱性的 Japanese: アルカリ性の |
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