據(jù)市場(chǎng)監(jiān)管總局官網(wǎng)消息,今年1—5月,我國(guó)新批準(zhǔn)發(fā)布國(guó)家標(biāo)準(zhǔn)物質(zhì)468項(xiàng),同比增長(zhǎng)65.9%。其中,國(guó)家一級(jí)標(biāo)準(zhǔn)物質(zhì)31項(xiàng),占比6.6%,同比增長(zhǎng)47.6%;國(guó)家二級(jí)標(biāo)準(zhǔn)物質(zhì)437項(xiàng),占比93.4%,同比增長(zhǎng)60.7%。
2025-06-09