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首頁英語詞典pHpH實(shí)用場(chǎng)景例句

pH

英 美['pi 'et?]
  • abbr. 酸堿度符號(hào)（描述氫離子活度的）

實(shí)用場(chǎng)景例句

Skin is naturally slightly acidic and has a pH of 5.5.
皮膚具有天然弱酸性，pH值為5.5。

柯林斯例句

A pH test measures the acidity or alkalinity of a substance.
pH值測(cè)試可檢測(cè)物質(zhì)的酸堿度。

柯林斯例句

Pure water is neutral with a pH of 7.
純水是中性的，酸堿度為7。

柯林斯例句

a pH of 7.5
pH值7.5

《牛津高階英漢雙解詞典》

The fluid that emerges from the vents is acidic (pH 3) and hot.
從那些出口出來的液體呈酸性（pH值為3），且是熱的。

柯林斯例句

pH is a measure of the concentration of free hydrogen atoms in a solution.
pH值是測(cè)試溶液中自由氫原子濃度的單位。

柯林斯例句

That man is a total phony, he palms himself off as a Ph . d.
那家伙是個(gè)徹徹底底的冒牌貨, 他冒稱是個(gè)博士.

《簡(jiǎn)明英漢詞典》

You don't need a Ph.D to decode their work, but they do try to challenge audiences with unconventional material.
解讀他們的作品并不需要有博士學(xué)位，但他們的確在嘗試用一些非傳統(tǒng)素材來挑戰(zhàn)觀眾的接受度。

柯林斯例句

Hemagglutination of some viruses has a particular PH requirement.
某些病毒的血凝反應(yīng)需要一定的PH值.

辭典例句

Such polyaggregates are stable only over very narrow temperature and pH regions.
這些多聚集體只有在非常窄的溫度和pH范圍內(nèi)方是穩(wěn)定的.

辭典例句

A solution which resists pH changes is known as a buffer solution.
能夠阻止pH值變化的溶液稱為緩沖溶液.

辭典例句

The inflection point at this PH is barely detectable.
在此PH值下,拐點(diǎn)不易發(fā)現(xiàn).

辭典例句

Two Ph . D . theses attest to the results of his work.
有兩篇哲學(xué) 博士 論文論證了他的研究結(jié)果.

辭典例句

He always drags his Ph . D . into every discussion.
他討論發(fā)言的時(shí)候總是要生拉硬扯到他的哲學(xué) 博士 頭銜.

辭典例句

A buffer system resists a change in pH.
緩沖系統(tǒng)對(duì)pH的變化是有耐受能力的.

辭典例句