aceto-orcein

基本解釋

The yield of dimethoxy methyl aceto acetate can be reached 55.3 %.
二甲氧基乙醯乙酸甲酯的收率可達(dá)53.;3%25。
Anzi mi han dato del fiele per cibo, e, nella mia sete, m’han dato a ber dell’aceto.
我希望有人安慰，還是找不到一個(gè)。
Abstract： Crosslinked aceto polystyrene was obtained by reacting crosslinked polystyrene and acetic anhydride with aluminium trichloride as catalyst.
摘要：交聯(lián)聚苯乙烯在三氯化鋁催化下與乙酸酐進(jìn)行乙醯基化反應(yīng),得到交聯(lián)聚苯乙烯乙酮樹脂;
Their savings are down, and the use the unsecured credit, such as credit cards and lines of credit, is significantly up over the last seven years,” said Aceto.
他們的存款不斷減少，而信用卡或信用額度這類沒有擔(dān)保的貸款的使用率在過去七年顯著提高?！?/li>
The effects of different methods and conditions on the structure and surface properties were studied by XRD, nonaqueous solution titration, and decoloring performance on orcein dye.
用XRD、非水溶液滴定法及對紅色染料的脫色能力等研究了制備方法及條件變化對矇脫石層間結(jié)搆、表麪性質(zhì)的影響。