Song Zhenhua
![Song Zhenhua](/assets/img/authors/unknown.jpg)
Song Zhenhua
freshness maintain sample scent three
This way the scent sample can maintain its freshness for at least three years.
advanced skills storage technique three
We need to find more advanced skills as this storage technique can only keep the scents identifiable for three years.
analysis objective research result scent
To computerize the scent analysis and make the identification result more objective is still our research goal.