detectable levels meaning in English
可检出水平
Examples
- A photomultiplier can amplify the signal to detectable levels
光电倍增管可将此讯号放大到可侦测的程度。 - In the families of babies who had detectable levels of nnal , family members reported smoking an average of 76 cigarettes per week
研究显示，在那些尿液样本中含有nnal的婴儿的家庭中，家庭成员平均每周吸烟76支。 - For babies who had no detectable levels of nnal in their urine , the average number of cigarettes reportedly smoked by family members was 27 per week
而那些尿液样本中未发现nnal的婴儿的家庭中，家庭成员平均每周吸烟27支。 - Urine from nearly half of the infants contained detectable levels of nnal , a chemical byproduct produced in the human body when it processes nnk , a cancer - causing chemical , or carcinogen , found only in tobacco
在他们生活的家庭环境中，父母至少有一人是烟民。研究人员在将近一半的尿液样本中发现了相当水平的nnal 。