Method of fragment retention test for carbonated beverage bottles 汽水飲料瓶的防碎片飛散試驗(yàn)方法
2 . the primary culture of silkworm embryonic cells ( 1 ) this dissertation took silkworm blastokinesis embryo as the materials of primary culture and found a better method of fragment embryo to primary culture by comparing the methods of fragment embryo that mincing embryo by scissors and digest embryo by trypsin after mincinging . that is the latter 2家蠶胚胎細(xì)胞的原代培養(yǎng)門(mén))本研究以家蠶反轉(zhuǎn)期胚胎為材料,采用組織塊法和胰蛋白酶半消化法進(jìn)行家蠶胚胎細(xì)胞的原代培養(yǎng),建立了適應(yīng)反轉(zhuǎn)期胚胎細(xì)胞原代培養(yǎng)的方法,即胰蛋白酶半消化法。