| 词汇 | sodium-hydroxide |
| 释义 | sodium hydroxide noun[ U ] specializeduk /ˌsəʊ.di.əm haɪˈdrɒk.saɪd/ us /ˌsoʊ.di.əm haɪˈdrɑːk.saɪd/ a chemical compound used in soap and paper production and in powerful cleaning substances氢氧化钠 Synonym caustic soda Chemical elements actinium alkali metal americium astatine berkelium brimstone bromine calcium fluorine germanium lithium manganese nickel plutonium quicksilver selenium silicon sodium sulphur transition metal Examples of sodium hydroxidesodium hydroxide Diluted solutions of zinc and copper chloride and sodiumhydroxide were used. Heptane-containing solutions with identical concentrations to those of the acetic acid and sodium hydroxide treatments were utilized with the same protocol as above. He was given a glass of sodiumhydroxide, which he drank. This procedure was repeated with identical concentrations and durations using sodiumhydroxide solutions instead of acetic acid. It is easily produced using the industrial solvent gammabutyrolactone and sodiumhydroxide, or caustic soda. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 When reacted with nitrate in sodiumhydroxide solution and then add aluminium foil, ammonia is liberated. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The membrane allows only positive ions to pass through to prevent the chlorine from mixing with the sodiumhydroxide. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The ore was cracked by reaction at high temperature either with concentrated sulfuric acid, or with sodiumhydroxide. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The resulting trisulfonic acid is then treated with triisooctylamine and sodiumhydroxide. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Sodiumhydroxide is also mildly corrosive to glass, which can cause damage to glazing or freezing of ground glass joints. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A few transition metals, however, may react vigorously with sodiumhydroxide. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These reactions are sped by the heat generated when sodiumhydroxide and the other chemical components of the cleaner dissolve in water. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For the manufacture of biodiesel, sodiumhydroxide is used as a catalyst for the transesterification of methanol and triglycerides. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Sodiumhydroxide is also produced by combining pure sodium metal with water. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For acid-sensitive facades such as concrete, strongly alkaline cleaners are used such as sodiumhydroxide and thickeners. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. See all examples of sodium hydroxide 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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