ph是什么意思_ph的中文翻译|音标|读音|用法|短语例句|近反义词

1、

Two Ph . D . theses attest to the results of his work.

有两篇哲学博士论文论证了他的研究结果.

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2、

Pure water is neutral with a pH of 7.

纯水是中性的，酸碱度为7。

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3、

You don't need a Ph.D to decode their work, but they do try to challenge audiences with unconventional material.

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。

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4、

He always drags his Ph . D . into every discussion.

他讨论发言的时候总是要生拉硬扯到他的哲学博士头衔.

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5、

The fluid that emerges from the vents is acidic ( pH 3) and hot.

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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6、

Results S.mutans was the predominant aciduric bacteria in fissures of caries-free children and more frequently recovered at neutral pH.

结果变形链球菌是无龋组窝沟的优势耐酸菌，且中性条件下检出较多；

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7、

the natural ph level of skin is around 5.5, indicating its mildly acidic nature.

皮肤的天然pH值约为5.5，表明其具有轻微的酸性。

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8、

A buffer system resists a change in pH.

缓冲系统对pH的变化是有耐受能力的.

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9、

Skin is naturally slightly acidic and has a pH of 5.5

皮肤具有天然弱酸性，pH值为5.5。

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10、

The pH scale quantifies the concentration of hydrogen ions in a solution.

pH值标度用于量化溶液中氢离子的浓度。

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11、

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。

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12、

a substance's alkalinity can be determined through a ph test.

一种物质的碱度可以通过pH值测试来确定。

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13、

A pH test measures the acidity or alkalinity of a substance.

pH值测试可检测物质的酸碱度。

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14、

Skin is naturally slightly acidic and has a pH of 5.5.

皮肤具有天然弱酸性，pH值为5.5。

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15、

A solution which resists pH changes is known as a buffer solution.

能够阻止pH值变化的溶液称为缓冲溶液.

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16、

An aciduric mutant with steady hydrogen-producing capability, which was able to grow at acidic pH of 3.0, was obtained.

结果筛选到一株遗传性状稳定的高产氢突变株，具有良好的耐酸性，在pH值3.0时仍能生长。

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17、

After completing her Ph. D. on seeds, Farrant began investigating whether it might be possible to isolate the properties that make most seeds so resilient and transfer them to other plant tissues.

完成与种子有关的博土学位后，法兰特开始研究是否有可能分离出使大多数种子如此迅速恢复活力的特性，并将其转移到其他植物组织上。

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18、

Such polyaggregates are stable only over very narrow temperature and pH regions.

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.

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19、

the hot fluid leaking from the pipes is acidic with a ph of 3.

从管道中泄漏的热液体呈酸性，pH值为3。

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20、

That man is a total phony, he palms himself off as a Ph . d.

那家伙是个彻彻底底的冒牌货, 他冒称是个博士.

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21、

a pH of 7.5

pH值7.5

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22、

you don't need a ph.d to understand their work, but they do try to challenge audiences with unconventional material.

解读他们的作品并不需要有博士学位，但他们的确尝试用一些非传统素材来挑战观众的接受度。

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23、

You were coming home to get married after you got your Ph D . , weren't you?

是不是得了博士回来结婚的?

汉英文学 - 围城

24、

neutral water has a ph level of 7.

中性水的酸碱度为7。

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25、

The inflection point at this PH is barely detectable.

在此PH值下,拐点不易发现.

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26、

PH and Its Measurement: From the 20th Century to the 21st Century

pH及其测量：从20世纪到21世纪

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27、

With increasing the basic mixture as both pH alleviant and electrolyte, final conversion decreased and maximum of particle size existed.

最终转化率随加入的碱性混合溶液增加而下降，由于pH调节剂同时起到电解质的作用，使微球粒径存在极大值。

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28、

pH is a measure of the concentration of free hydrogen atoms in a solution.

pH值是测试溶液中自由氢原子浓度的单位。

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29、

The optimum conditions for the conidiospore sprouting were 25-28 ℃ of the temperature and 100% relative humidity, PH 6-7 was optimum for the sprouting and growth.

该菌分生孢子萌发适温25－28℃，相对湿度为100%，萌发和生长最适pH值为6－7。

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30、

PH value ranged 5-9 in general, 5.5 for aciduric bacteria and 7.5 for alkaline resistant ones.

pH值一般5～9，耐酸菌为5.5，耐碱菌为7.5。

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