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柯林斯词典释义

福克斯词典 \ 英汉词典 \

alkalis是什么意思？

alkalis

英['ælkəlɪs] 美['ælkəlɪs]

n. 碱金属，碱( alkali的名词复数 )；

相关单词 antalkalis

例句

Weak alkalis ionize partly ( ionize ) in water to give hydroxide ion. 弱碱在水中部份电离,放出氢氧离子.
Aluminium and other metals are normally badly corroded by alkalis. 铝和其他金属通常会被碱严重腐蚀.
What's the scale that's used to compare the strength of acids and alkalis? 用何种标准来比较酸碱度？
Acids neutralize alkalis and vice versa. 酸能使碱中和,碱亦能使酸中和.

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柯林斯高阶英汉双解学习词典释义

N-MASS

碱

An alkali is a substance with a pH value of more than 7. Alkalis form chemical salts when they are combined with acids.

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