二甲氧基甲烷
- 与 二甲氧基甲烷 相关的网络例句 [注：此内容来源于网络，仅供参考]
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The synthesis of 1,2-dimethoxybenzene from chloromethane combined with pyrocatechol is introduced in this artcile.
本文介绍了以氯甲烷和邻苯二酚为原料合成1，2-二甲氧基苯的方法。
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In this paper, a high-pressure apparatus for measuring thermal conductivity was developed based on the present transient single hot-wire device of our group.
然而它们的导热系数的研究还相当欠缺，尤其是二甲氧基甲烷及其与柴油混合物的导热系数研究基本上没有人做过。
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The products include two series: Sulfa drugs Industrial Sulfanilamide, Crystel Sulfanilamide, Sulfaguanidine, Sulfadimidine(Sodium, Sulfadiazine, Sulfathiazole Sodium, Sulfaquinoxaline Sodium, Sulfameter Dimethyl Sulfate, Nitromethane, Hydroxylamine Hcl.
本公司专业生产化工、医药中间体，产品主要包括磺胺（工业磺胺、结晶磺胺、磺胺脒、磺胺二甲嘧啶、磺胺嘧啶、磺胺噻唑钠、磺胺喹噁啉钠、磺胺五甲氧嘧啶）及硫酸二甲酯（硫酸二甲酯、硝基甲烷、烟酸羟胺）两大系列。
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Spiral Spirobifluorene acetylated is oxidated by m-chloroperoxybenzoic acid and hydrolyzed by sodium hydroxide ,obtaining 2,2 '- dihydroxy -9,9'- spiral Spirobifluorene .Through nitrification,Reduced by hydrazine hydrate, we may get the 2,2 '- diamino -9,9'- spiral Spirobifluorene which are characterizated by IR, 1H-NMR !
L-酒石酸和乙醇酯化得到酒石酸二乙酯，将保护羧基保护起来，然后用碘甲烷在2，3-位上两个甲基，得到2，3-二甲氧基-酒石酸二乙酯，再用氢氧化钠将其水解，得到2，3-二甲氧基-酒石酸，用五氯化磷将羧基酰化，得到2，3-二甲氧基- 1，4-丁二酰氯，经过与二环己胺反应，得到拆分配体2，3-二甲氧基–N，N，N'，N'-四环己丁二酰胺。
- 推荐网络例句
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This one mode pays close attention to network credence foundation of the businessman very much.
这一模式非常关注商人的网络信用基础。
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Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.
扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。
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There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.
双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。