- 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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- A buffer system resists a change in ph .
缓冲系统对pH的变化是有耐受能力的。 - Condensation is very rapid at ph 7-9 .
PH值7-9时缩聚极快。 - The inflection point at this ph is barely detectable .
在此PH值下，拐点不易发现。 - The reaction should be buffered to a ph of between 6 and 11 .
应使反应缓冲到pH值为611。 - The first consideration in selecting a buffer is ph value .
在选择缓冲剂时第一考虑是它的pH值。
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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