欧美精品手机一级在线播放,中文字幕在线欧美日韩,欧美精品中文字幕亚洲专区,国产免费观看网站

    <mark id="hrvb1"><strong id="hrvb1"></strong></mark>
  • <td id="hrvb1"></td>

    e和a是什么意思

    回答
    瑞文問(wèn)答

    2024-07-27

    EA,大寫(xiě)為英文縮寫(xiě),是敵機(jī)、每年、美國(guó)藝電公司等等名稱的縮寫(xiě);小寫(xiě)為each的英文簡(jiǎn)寫(xiě),意思為“每”。
    英文通用名稱: Ethyl acetate(Acetic ether)
    中文通用名稱: 乙酸乙酯(醋酸乙酯)
    英文簡(jiǎn)稱:EA.

    擴(kuò)展資料

      The ethyl acetate extract of Typha latifolia inhibit the growth of some algae.

      對(duì)香蒲類植物的花粉蒲黃中的抑藻物質(zhì)進(jìn)行提取、分離、鑒定。

      Conclusion Bidens ethyl acetate extract has a significant hypoglycemic activity.

      結(jié)論鬼針草乙酸乙酯提取物有顯著的降糖活性。

      C. The quench is performed with aqueous sodium hydrogen carbonate and ethyl acetate.

      三是演出的淬火、乙酸乙酯碳酸氫鈉水溶液。

      Juemingzi extracts were prepared with ethyl acetate, n-butanol and water respectively.

      以決明子為原料,分別用乙酸乙酯、正丁醇和水制備粗提取物。

      Ethyl acetate is an excellent solvent and extractant and is an important chemical material too.

      乙酸乙酯是性能優(yōu)良的溶劑、萃取劑和重要的化工原料。