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- dimethoxy benzaldehyde 二甲氧基苯甲醛
- Scheme 1.Condensation of pyrrole and benzaldehyde. 图式1吡咯与苯甲醛的缩合反应。
- The yield of dimethoxy methyl aceto acetate can be reached 55.3 %. 二甲氧基乙酰乙酸甲酯的收率可达53.;3%25。
- A white or yellowish crystalline compound,C14H12O2,derived from benzaldehyde. 二苯乙醇酮一种白色或淡黄色的晶体化合物,C14H12O2,从苯甲醛衍生而来
- A white or yellowish crystalline compound, C14H12O2, derived from benzaldehyde. 二苯乙醇酮一种白色或淡黄色的晶体化合物,c14h12o2,从苯甲醛衍生而来
- Reaction of Dianion 8 with Benzaldehyde To Form 10 and Benzyl Alcohol 12. 反应与苯形成酸根81012、苯甲醇.
- Pitch resin was synthesized from benzaldehyde and heavy oil residue. 利用纯芳烃原料和重质渣油研制的沥青树脂具有优良的耐热性。
- Abstract Toluene is oxidized into benzaldehyde by V5+ in acidic solutions. 研究了在硫酸溶液中,以V5+为氧化剂将甲苯氧化为苯甲醛。
- With cyclohexyl methyl dimethoxy silane(CHMMS) as external donor,isotacticity of polymer turned to be more adjustable. 结果表明,使用环己基-甲基-二甲氧基硅烷,聚合物的等规度可调性好;
- With di-iso-butyl dimethoxy silane(DIBS), DQ catalyst was more sensitive to hydrogen regulation. 使用二异丁基-二甲氧基硅烷,DQ催化剂的氢调敏感性更好。
- With dicyclopentyl dimethoxy silane(DCPMS), DQ catalyst was more active and steroselective. 使用二环戊基-二甲氧基硅烷,DQ催化剂活性更高,立体定向性更强;
- He was born 13 years Chenghua Ming (AD 1477), Koji 18 years (1505) test Jinshi, in dimethoxy eighth, into the Academy. 他生于明成化13年(公元1477年),弘治18年(1505年)考进士,中二甲第八名,进翰林院。
- The wastewater from gum benzion production contains benzaldehyde, cyanide, gum benzoin and ethyl benzoate. 有机化工产品安息香生产废水中含有苯甲醛、氰化物、安息香和苯甲酸乙酯
- The toluene was oxidized to benzaldehyde in subcritical water by using hydrogen peroxide and without any catalysts. 研究了在近临界水中,无催化剂条件下,用过氧化氢作为氧源,氧化甲苯生成苯甲醛。
- AIM: To study the effects of 9 (4 Ethoxycarboxylyphenoxy) 6,7 dimethoxy 1,2,3,4 tetrahydro acridine (EDT) on learning and memory abilities. 目的 :研究 9 (4 乙氧羰基苯氧基 ) 6 ,7 二甲氧基 1,2 ,3,4 四氢吖啶盐酸盐 (EDT)对小鼠记忆功能的影响。
- The efficiency of H2O2 utilization is 100% and the selectivity to benzaldehyde is 100%. 在体系中,催化剂以均相的方式催化反应,以多相的方式分离回收。
- This paper was aimed to synthes i ze natural benzaldehyde w ith enzyme obtained by microorganism. 天然苯甲醛是一种广范应用于食品、医药、化妆品行业的高价香料。
- The phenytoin sodium is prepared by means of condensation , oxidation and ringclosure condensation from benzaldehyde. 以苯甲醛为原料;通过缩合、氧化、关环缩合等多步合成苯妥英钠.
- Other major compositions included benzaldehyde, 4-allylanisole, geranyl acetate, and cinnamyl acetate. 其他平均百分比高于1%25之成分包括苯甲醛,4-丙烯苯甲醚,乙酸香叶酯及乙酸桂皮酯等。
- The content of natural benzaldehyde in amygdalus ledebouriana schlecht is 1.264%. 测得野巴旦杏中苯甲醛的含量为1.;264%25;