The present invention relates to a new method which can make release speed of volatile matter (liquid) slow down.
本发明是关于减缓挥发性物质(液态)释放速度的新方法。
2
This method has the advantages of convenient operation, time saving, and high accuracy and precision, suitable for the determination of the urea content in slow-release urea.
该法具有操作简便、省时、 准确度高、 精密度好等优点，适合于测定缓释尿素中的尿素含量。
3
The invention belongs to emamectin pesticides and discloses an emamectin benzoate-algae slowrelease type water dispersible granular insecticide and a preparation method.