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(mathematics) formula
It's difficult to solve this formula.
vitamin D3
Vitamin D3 is an important nutrient for bone health.
Alternative form of サンドイッチ (sandoitchi, “sandwich”)
I like making sandwiches.
traffic cone
Traffic cones have been set up due to road construction.
両性酸化物: (chemistry) amphoteric oxide
Amphoteric oxides have the characteristic of reacting with both acids and bases.
(chemistry) acid anhydride
In chemistry class, I learned about the reactions of acid anhydrides.
塩基性酸化物: (chemistry) basic oxide
In chemistry class, I learned about basic oxides.
(chemistry) acidic oxide
Acidic oxides react with water to produce acids.
(chemistry) amphoteric oxide
Aluminum is an amphoteric oxide, it reacts with both acids and bases.
(chemistry) basic oxide
Basic oxides react with acids to produce salt and water.
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