The test most rated by doctors is the urea breath test, which can't be used at home.
医生最常使用的检测方法是尿素呼吸试验，而这种试验不能在家进行。
2
Through collecting, dehydration, conditioned test and anti-jamming test of the sample, the content of trace urea dust in the air can be exactly determined by way of such technique.
通过对样品的采集、洗脱、消化水解、条件试验及抗干扰试验，证实本法能准确测定空气中微量尿素尘的含量。
3
It is not necessary in the test to use test meal additional non labeled urea and to correct the result on body weight.