Activity and activity coefficient of solution

Any leaching process involves a solution, so the nature of the solution, especially the interaction of ions and molecules in the solution, has a significant impact on the leaching process. The molecules and ions that make up the aqueous solution interact with each o

Precautions when using torque wrench

Everyone is familiar with torque wrench, torque wrench is the main role of the fastening bolt, torque wrench into our digital torque wrench, dial torque wrench preset torque wrench, electric torque wrench, then we should know the torque wrench in use Pay attention to what iss