常見例句雙語例句For now, NASA wants to keep them shuttered most of the time to protect the fused silica glass from orbital debris.根據(jù)美國宇航局的要求,為了保護這些石英玻璃窗不被軌道碎片擊碎,它們大部分時間應(yīng)該處于關(guān)閉狀態(tài)。In the present study, fused silica ceramics were prepared by using fused silica raw powders and spark plasma sintering(SPS)technique.以熔融石英陶瓷粉體為原料,采用放電等離子燒結(jié)(SPS)技術(shù)制備了熔融石英陶瓷材料。By repeating technological tests and batch production tests for over a year, the fused silica was successfully used in the production of silica sol shell for low temperature wax precision casting.經(jīng)過反復(fù)的工藝試驗及一年多批量生產(chǎn)驗證,成功地將熔融石英應(yīng)用于精鑄用低溫蠟—硅溶膠型殼生產(chǎn)中。 返回 fused silica