Category: دسته بندی نشده

The increase in industrial activities and the expansion of technology and the increase in the use of machinery, the trend of accidents in the environment Industry has also increased. In traditional systems, after the occurrence of accidents and irreparable damages,...

Four secrets of learning English

What is zeolite? Zeolite is a member of the family of hydrated aluminosilicate minerals that contain alkaline and alkaline earth metals. Zeolites have a tetrahedral framework, and the cavities formed by the framework units have diameters of about 2 to...