The explanation of the word alumina is that alumina is an inorganic substance with the chemical formula of Al2O3, which is a high hardness compound with a melting point of 2054℃ and a boiling point of 2980℃. It is an ionic crystal, which can be ionized at high temperature and is often used to make refractories. Structure: oxygen (semi-closed structure) (left and right structure) aluminum (left and right structure). The part of speech is: noun. The phonetic notation is: ㄤˇㄨㄚㄌˇ. The pinyin is: Yng huà l ǐ.
What is the specific explanation of alumina? We will introduce you through the following aspects:
Vocabulary about alumina
Aluminium
Idioms about alumina
Turn owls into pigeons, sunlight into stalks, mud into nature, fishing rods into dragons, and listen to the wind.
Vocabulary about alumina
Small fish become nature, children's colds become ten things and five things, owls become pigeons, sunflowers become oranges, and small things become small things.
Sentences about alumina
1, China Aluminum Company, Henan Company and China Great Wall Aluminum Company are large-scale aluminum smelting joint ventures in China, and the output of alumina accounts for about half of the country.
2. After curing, continuously grind the surface of the sample with diamond sand or alumina.
3. Objective: To study the effects of alum, aluminum hydroxide and aluminum chloride on aluminum content in serum and brain tissue of mice by high performance capillary electrophoresis.
4. Five kinds of activated alumina coatings and corresponding palladium composite metal oxide three-way catalysts were prepared by impregnation method and slurry coating method.
5. Will aluminum powder with thermite contact with air to produce alumina? Causing thermite not to ignite?
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