- PH ＝public health 公共卫生。
【化学】表示氢离子浓度的倒数的对数的符号。
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ph中文什么意思
例句与用法
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- During an algal bloom the ph of the water can be as high as 10 .
藻类水华期间，水的pH值可高达10。 - Minimum zinc solubility is in the ph range 6. 0 to 8. 0 .
土壤PH值为60-80时，锌的溶解度最小。 - Soil ph and other environmental influences affect blank shank .
土壤pH值和其它环境变化也影响黑胫病。 - Hemagglutination of some viruses has a particular ph requirement .
某些病毒的血凝反应需要一定的PH值。 - With proper ph adjustment(4. 5-5)the chromate will be removed .
PH值调节得当(4.5-5)，铬酸盐也可被除去。
百科释义
In chemistry, pH is a measure of the activity of the (solvated) hydrogen ion. p[H], which measures the hydrogen ion concentration, is closely related to, and is often written as, pH.
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