ppbv是什么意思 ppbv的读音、翻译、用法

'ppbv' 不是一个国家的语言，它是一种浓度的表示方式，全称为“parts per billion by volume”，意为体积百万分之一，常用于描述非常微小的浓度。

该词语在化学、环境等领域中广泛使用，用来表示某种物质在空气、水、土壤等中的浓度。例如，当空气中一种化学物质的浓度为1ppbv时，意味着在每立方米的空气中，这种物质的体积为1微升。

以下是9个含有'ppbv'的例句：

1. The concentration of benzene in the air was measured to be 2 ppbv.（空气中苯的浓度为2ppbv。）

2. The average ozone concentration in the atmosphere during summer was 60 ppbv.（夏季大气中臭氧的平均浓度为60ppbv。）

3. The level of nitrogen dioxide in the city center was found to be above 100 ppbv.（城市中心的二氧化氮浓度超过了100ppbv。）

4. The concentration of carbon monoxide in the garage was measured to be 150 ppbv.（车库中一氧化碳的浓度为150ppbv。）

5. The level of sulfur dioxide in the industrial area was reported to be 20 ppbv.（工业区二氧化硫的浓度报告为20ppbv。）

6. The concentration of formaldehyde in the office was found to be 0.5 ppbv.（办公室中甲醛的浓度为0.5ppbv。）

7. The level of lead in the drinking water was measured to be below 0.1 ppbv.（饮用水中铅含量测量值低于0.1ppbv。）

8. The concentration of mercury in the fish samples was found to be 2.5 ppbv.（鱼类样品中汞的浓度为2.5ppbv。）

9. The level of particulate matter in the air was reported to be 1000 ppbv during a sandstorm.（沙尘暴期间空气中颗粒物浓度报告为1000ppbv。）