本文介绍从含金废料中提取金，并可提纯至含金量为99.99%的应用技术。
The paper introduces extraction of gold from alloy waste, and the application technique of purification of gold to 99. 99% purity.
你也受邀加入我们的祷告日（今年从6月6日（含）至6月14日（含））。
You are also invited to join us on our prayer days (this year, June 6 to June 14 inclusive).
MF 59就是一种含角鲨烯的佐剂，最先于1997年被意大利主管部门批准添加至一种季节性亚单位流感疫苗，其后又被其他几个国家批准上市。
MF59, a proprietary adjuvant containing squalene, is included in a seasonal subunit influenza vaccine licensed by the Italian regulatory authority in 1997 and subsequently by several other countries.
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