粉体晶粒的形成经历了“溶解一结晶”两个阶段：首先原料在热介质里溶解，以

The formation of powder grains has gone through two stages of "dissolution-crystallization": first, the raw materials are dissolved in the heat medium, enter the solution in the form of ions and molecular groups, and use strong convection to transport and release these ions, molecules and ion groups A saturated solution is formed in the growth zone (low temperature zone) of the seed crystal, which then nucleates, forms grains, and then crystallizes.

The formation of powdered grains has gone through two stages: first, the raw material seislus in the hot medium, enters the solution in the form of ions and molecular groups, uses strong convection, transports these ions, molecules and ion swarms and places them in the growth area of the seed crystal (low temperature zone) to form a saturated solution, which forms a nucleus, forming a grain, and then crystallizing.

The formation of powder grains has experienced two stages of "dissolution crystallization": first, the raw materials are dissolved in the hot medium, and enter the solution in the form of ions and molecular groups. By using strong convection, these ions, molecules and ionic groups are transported and placed in the growth zone (low temperature zone) of seed crystals to form a saturated solution, then nucleate, form grains, and then crystallize.<br>