Self-hardening calcium phosphate cements present ideal bone tissue substitutes from the standpoints of bioac- tivity and biocompatibility, yet they suffer from (a) weak mechanical properties, (b) negligible ost
"Goldisformistress,silverforthemaid;Copperforthecraftsmancunningathistrade.Butiron,coldiron,ismasterofthemall." 看了锻刀大赛,做梦都在打铁 极致浪漫 小学时候的梦想之一就是偷学校教室的窗户上的钢筋去打一把刀!!! 第一集,katana不是这么造的。他们造的根本不是katana...
Arts 603 Another ore of gold is the alloy with silver, or *argental gold, the electrum of Pliny, so called from its amber shade.1858Homans Cycl. Commerce 835/2 *Dentist Gold is gold leaf carried no further in the process than that of the cutch, and should be perfectly pure gold.1683...
and I accumulated for myself silver and gold and the treasure of kings and provinces. I gathered to myself male and female singers, and the delights of the sons of men—many concubines.King James BibleI gathered me also silver and gold, and the peculiar treasure of kings and of the ...
Self-hardening calcium phosphate cements present ideal bone tissue substitutes from the standpoints of bioactivity and biocompatibility, yet they suffer from (a) weak mechanical properties, (b) negligible osteoinduction without the use of exogenous growth factors, and (c)...