Glasses in the system 24.5Na<sub><span style="font-size:12px;font-family:Verdana;">2</span></sub><span style="font-family:Verdana;">O·24.5CaO·6P</span>...Glasses in the system 24.5Na<sub><span style="font-size:12px;font-family:Verdana;">2</span></sub><span style="font-family:Verdana;">O·24.5CaO·6P</span><sub><span style="font-size:12px;font-family:Verdana;">2</span></sub><span style="font-family:Verdana;">O</span><sub><span style="font-size:12px;font-family:Verdana;">5</span></sub><span style="font-family:Verdana;">·xSrO·(45-x)SiO</span><sub><span style="font-size:12px;font-family:Verdana;">2</span></sub><span style="font-family:Verdana;"> have been</span><span style="font-family:;" "=""><span style="font-family:Verdana;"> studied in the composition region of x = 0 - 15 mol%. The as prepared glasses are transparent and have an amorphous network structure. On the otherhand, heat treated glasses are transformed to opaque white glass ceramic characterized by their highly crystalline network structure. Crystalline apatite (calcium phosphate, Ca</span><sub><span style="font-size:12px;font-family:Verdana;">3</span></sub><span style="font-family:Verdana;">(PO</span><sub><span style="font-size:12px;font-family:Verdana;">4</span></sub><span style="font-family:Verdana;">)</span><sub><span style="font-size:12px;font-family:Verdana;">2</span></sub><span style="font-family:Verdana;">, wollastonite (calcium silicate, CaSiO</span><sub><span style="font-size:12px;font-family:Verdana;">3</span></sub><span style="font-family:Verdana;">), and strontium calcium phosphate</span></span><span style="font-family:Verdana;"> </span><span style="font-family:;" "=""><span style="font-family:Verdana;">Ca</span><sub><span style="font-size:12px;font-family:Verdana;">2</span></sub><span style="font-family:Verdana;">Sr(PO</span><sub><span style="font-size:12px;font-family:Verdana;">4</span></sub><span style="font-family:Verdana;">)</span><sub><span style="font-size:12px;font-family:Verdana;">2</span></sub><span style="font-family:Verdana;"> </span></span><span style="font-family:;" "=""><span style="font-family:Verdana;">are the main well-formed crystalline species played the major role in m展开更多
文摘Glasses in the system 24.5Na<sub><span style="font-size:12px;font-family:Verdana;">2</span></sub><span style="font-family:Verdana;">O·24.5CaO·6P</span><sub><span style="font-size:12px;font-family:Verdana;">2</span></sub><span style="font-family:Verdana;">O</span><sub><span style="font-size:12px;font-family:Verdana;">5</span></sub><span style="font-family:Verdana;">·xSrO·(45-x)SiO</span><sub><span style="font-size:12px;font-family:Verdana;">2</span></sub><span style="font-family:Verdana;"> have been</span><span style="font-family:;" "=""><span style="font-family:Verdana;"> studied in the composition region of x = 0 - 15 mol%. The as prepared glasses are transparent and have an amorphous network structure. On the otherhand, heat treated glasses are transformed to opaque white glass ceramic characterized by their highly crystalline network structure. Crystalline apatite (calcium phosphate, Ca</span><sub><span style="font-size:12px;font-family:Verdana;">3</span></sub><span style="font-family:Verdana;">(PO</span><sub><span style="font-size:12px;font-family:Verdana;">4</span></sub><span style="font-family:Verdana;">)</span><sub><span style="font-size:12px;font-family:Verdana;">2</span></sub><span style="font-family:Verdana;">, wollastonite (calcium silicate, CaSiO</span><sub><span style="font-size:12px;font-family:Verdana;">3</span></sub><span style="font-family:Verdana;">), and strontium calcium phosphate</span></span><span style="font-family:Verdana;"> </span><span style="font-family:;" "=""><span style="font-family:Verdana;">Ca</span><sub><span style="font-size:12px;font-family:Verdana;">2</span></sub><span style="font-family:Verdana;">Sr(PO</span><sub><span style="font-size:12px;font-family:Verdana;">4</span></sub><span style="font-family:Verdana;">)</span><sub><span style="font-size:12px;font-family:Verdana;">2</span></sub><span style="font-family:Verdana;"> </span></span><span style="font-family:;" "=""><span style="font-family:Verdana;">are the main well-formed crystalline species played the major role in m