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词汇
pH
释义
pH
Related topics:
Chemistry
pH
/
piː ˈeɪtʃ
/
(
also
pH value
)
noun
[
singular
]
HC
a number on a scale of 0 to 14 which shows how acid or
alkaline
a substance is
酸碱度,
ph
值
→
litmus test
pH of
soil with a pH of 3.1
酸碱度为
3.1
的土壤
Origin
pH
(
1900-2000
)
German
potenz
“
power
”
+
H
, sign for hydrogen
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更新时间:2026/10/24 0:43:01