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]
-
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。
-
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。
-
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。
-
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
-
It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.
从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。
-
The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.
集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐
-
The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.
血精的原因很，以良性病变为主。