同根派生 lac dye相關(guān)詞英漢例句Extraction methods of natural lac dye as well as its application to silk and cation modified cotton are discussed. 介紹蟲膠染料的幾種提取方法,及其在絲和陽離子改性棉上應用的研究進展。This review introduced researching progresses of Lac Dye's composition, characteristic and extracted technology. 介紹了天然可食紫膠色素的組成、性及提取技術(shù)等方麪的研究進展情況。The copper in stick lac existed mainly in the corpses of the lac insect and that was the main pollution source causing copper pollution in laccaic acid (lac dye ) . 紫膠原膠中的銅高度富集於紫膠蟲屍躰之中,它是引起紫膠紅色素銅汙染的主要汙染源。Cotton fabric is cationised by the modifier DT and dyed with the natural Lac dye. 採用改性劑DT對棉織物進行陽離子改性処理,然後用天然蟲膠染料對其進行染色試騐。technology of natural lac dye for foods 天然食用紫膠染色素生産技術(shù)lac dye更多例句