| 词汇 | potassium-hydroxide |
| 释义 | BETA potassium hydroxidecollocation in Englishmeanings of potassiumand hydroxideThese words are often used together. Click on the links below to explore the meanings. potassium noun[ U ] uk /pəˈtæs.i.əm/ us /pəˈtæs.i.əm/ 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 ... See more at potassium hydroxide noun[ C ] uk /haɪˈdrɒk.saɪd/ us /haɪˈdrɑːk.saɪd/ a chemical compound that contains the hydroxyl ion, or a compound of an oxide ... See more at hydroxide Examples of potassium hydroxidepotassium hydroxide He stated that the easiest way to make it was to target potassiumhydroxide with cathode rays. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The alkaline electrolyte of potassiumhydroxide is not part of the reaction, only the zinc and manganese dioxide are consumed during discharge. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Sodium soaps, prepared from sodium hydroxide, are firm, whereas potassium soaps, derived from potassiumhydroxide, are softer or often liquid. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For anionic resins, regeneration typically uses a solution of sodium hydroxide (lye) or potassiumhydroxide. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Sodium hydroxide and potassiumhydroxide are not interchangeable in either the proportions required or the properties produced in making soaps. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Samples of 10-50 g of coal were macerated in nitric acid and then cleared in potassiumhydroxide. The worker will generally prefer to use solutions of potassiumhydroxide, with which practically any required humidity can be obtained. Once cleared and treated to stop the action of the potassiumhydroxide, the structures are placed in a drop of glycerine on a microscope slide for dissection and examination. The flesh of the cap has a pellicle which usually gelatinizes in potassiumhydroxide or water mounts prepared for microscopy. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Historically, potassiumhydroxide was extracted from the ashes of bracken or other plants. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The mixture was converted to the corresponding hydroxides by treating it with potassiumhydroxide, and after centrifugation, was dissolved in perchloric acid. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The mushroom tissue turns purple when a drop of 310% potassiumhydroxide is applied. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is highly resistant against the alkaline potassiumhydroxide. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is known to have a higher selectivity to etch highly p-doped silicon than the more commonly used potassiumhydroxide. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Other methods include the addition of molecular sieves or alkali bases such as potassiumhydroxide or barium oxide. 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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