On the Ph scale, it is very acidic and can dissolve a nail in about 4 days.
它的PH值相当的低，可以在4天左右把一颗铁钉溶解掉。
The pH scale, the standard measurement of acidity, was developed in Carlsberg's laboratories in 1909.
1909年，嘉士伯啤酒的酸碱值、酸度都在嘉士伯的实验室中得以测量。
In this media the proton activity can be measured by using a glass electrode with an aqueous pH scale.
溶液中质子活度可以用水标准溶液标定的玻璃电极用电位法来测定。
Despite this diversity and the fact that certain organisms can grow at extremes of the pH scale, generalities can be made.
纵然有差异而事实上有些生物是可以在极端的酸碱度范围上生长，仍可以得到一些归纳结果。
Expose the surface of the ocean to an atmosphere with ever more carbon dioxide, and the gas and waters will produce carbonic acid, lowering ph on a planetary scale.
要是海洋的表面与含更高二氧化碳的大气层接触，那么水和气会产生更多的碳酸，在全球范围内降低PH值。
The way of measuring how acidic or alkaline a substance is a scale called pH.
衡量一个物质的酸碱性的方法是pH值的大小。
Scale, stop-clock, laboratory balance, thermometer, pH meter.
尺规，计时器，电子秤，温度计，酸碱度计。
For synthesis PHPMA product, its scale inhibition properties was experimentally investigated in different dosage of agent, value of PH, and concentration of calcium ion.
考察了合成的PHPMA产品在不同的药剂用量、PH值、钙离子浓度等条件下的阻垢性能。
For synthesis PHPMA product, its scale inhibition properties was experimentally investigated in different dosage of agent, value of PH, and concentration of calcium ion.
考察了合成的PHPMA产品在不同的药剂用量、PH值、钙离子浓度等条件下的阻垢性能。
应用推荐