pH的翻译与解释是什么
发布于 2023-09-26 00:48:34
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详情：
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pH
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音标：英 美 ['pi 'etʃ]
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解释：
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abbr. 酸碱度符号（描述氢离子活度的）
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中文词源：
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pH 酸碱值来自德语pH,来自Potenz,能力，力量，词源同potent,H,氢离子，缩写自hydrogen ion.
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英文词源：
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pH
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1909, from German PH, introduced by S.P.L. Sörensen, from P, for German Potenz "potency, power" + H, symbol for the hydrogen ion that determines acidity or alkalinity.
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ph
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now in English usually representing "f," originally it was the combination used by Romans to represent Greek letter phi (cognate with Sanskrit -bh-, Germanic -b-), which at first was an aspirated "p," later the same sound as German -pf-. But by 2c. B.C.E. had become a simple sound made by blowing through the lips (bilabial spirant).
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Roman "f," like modern English "f," was dentilabial; by c. 400, however, the sounds had become identical and in some Romanic languages (Italian, Spanish), -ph- regularly was replaced by -f-. This tendency took hold in Old French and Middle English, but with the revival of classical learning the words subsequently were altered back to -ph- (except fancy and fantastic), and due to zealousness in this some non-Greek words in -f- began to appear confusedly in -ph-, though these forms generally have not survived.
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双语例句：
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1. Skin is naturally slightly acidic and has a pH of 5.5.
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皮肤具有天然弱酸性，pH值为5.5。
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来自柯林斯例句
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2. A pH test measures the acidity or alkalinity of a substance.
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pH值测试可检测物质的酸碱度。
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来自柯林斯例句
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3. a pH of 7.5
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pH值7.5
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来自《权威词典》
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4. The fluid that emerges from the vents is acidic (pH 3) and hot.
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从那些出口出来的液体呈酸性（pH值为3），且是热的。
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来自柯林斯例句
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5. pH is a measure of the concentration of free hydrogen atoms in a solution.
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pH值是测试溶液中自由氢原子浓度的单位。
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来自柯林斯例句
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更多相关例句：
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Skin is naturally slightly acidic and has a pH of 5.5.
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皮肤具有天然弱酸性，pH值为5.5。【柯林斯例句】
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A pH test measures the acidity or alkalinity of a substance.
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pH值测试可检测物质的酸碱度。【柯林斯例句】
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Pure water is neutral with a pH of 7.
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纯水是中性的，酸碱度为7。【柯林斯例句】
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a pH of 7.5
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pH值7.5【《牛津高阶英汉双解词典》】
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The fluid that emerges from the vents is acidic (pH 3) and hot.
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从那些出口出来的液体呈酸性（pH值为3），且是热的。【柯林斯例句】
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pH is a measure of the concentration of free hydrogen atoms in a solution.
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pH值是测试溶液中自由氢原子浓度的单位。【柯林斯例句】
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That man is a total phony, he palms himself off as a Ph . d.
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那家伙是个彻彻底底的冒牌货, 他冒称是个博士.【《简明英汉词典》】
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You don't need a Ph.D to decode their work, but they do try to challenge audiences with unconventional material.
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解读他们的作品并不需要有博士学位，但他们的确在尝试用一些非传统素材来挑战观众的接受度。【柯林斯例句】
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Hemagglutination of some viruses has a particular PH requirement.
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某些病毒的血凝反应需要一定的PH值.【辞典例句】
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Such polyaggregates are stable only over very narrow temperature and pH regions.
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这些多聚集体只有在非常窄的温度和pH范围内方是稳定的.【辞典例句】
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A solution which resists pH changes is known as a buffer solution.
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能够阻止pH值变化的溶液称为缓冲溶液.【辞典例句】
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The inflection point at this PH is barely detectable.
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在此PH值下,拐点不易发现.【辞典例句】
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Two Ph . D . theses attest to the results of his work.
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有两篇哲学 博士 论文论证了他的研究结果.【辞典例句】
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He always drags his Ph . D . into every discussion.
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他讨论发言的时候总是要生拉硬扯到他的哲学 博士 头衔.【辞典例句】
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A buffer system resists a change in pH.
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缓冲系统对pH的变化是有耐受能力的.【辞典例句】
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Jody has a Ph.D.in nutrition, but more important, she has personal experience—her mother taught her to diet when she was only eight years old.【出自-2016年6月听力原文】
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Jody has a Ph.D. in nutrition, but more important, she has personal experience—her mother taught her to diet when she was only eight years old.【出自-2016年6月听力原文】
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There are more than 600,000 professional social workers in the country, and we all either have a bachelor’s degree, a master’s degree or a Ph D in social work.【出自-2016年12月听力原文】
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There was a time not long ago when new science Ph.【出自-2013年12月阅读原文】
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Partly this is a result of how bleak the academic job market is, but there's also a rising awareness of career options that Ph【出自-2013年12月阅读原文】
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One critical step that could help to drive change would be to require Ph.【出自-2013年12月阅读原文】
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In science, graduate students and new Ph【出自-2013年12月阅读原文】
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What do we learn about new science Ph.【出自-2013年12月阅读原文】
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What does the author say about America's Ph【出自-2013年12月阅读原文】
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