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- Keywords Potentiometric titration;m Cresol;m Hydroxy benzaldehyde;Synthesis; 电位滴定法;间羟基苯甲醛;间甲酚;合成;
- hydroxy benzaldehyde 羟基苯甲醛
- 4- hydroxy benzaldehyde 对羟基苯甲醛
- Scheme 1.Condensation of pyrrole and benzaldehyde. 图式1吡咯与苯甲醛的缩合反应。
- They contain one or more functional group such as amide, hydroxy, or carboxy. 它们含有一个或多个功能团如:氨基、羟基、羧基。
- 2 - hydroxy - 4 - methoxy - benzaldehyde 2-羟基-4-甲氧基苯甲醛
- 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
- The substance was identified as 22 hydroxy 23, 24 bisnorchol 4 ene 3 one. 待鉴定产物为 2 0 羟基 2 3,2 4 二降胆 4 烯 3 酮。
- 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.
- The hydroxy proline contents were measured with the chloramine T method. 采用氯胺T法测定羟脯氨酸含量,为心肌胶原总含量。
- In this paper, the preparation of hydroxy ethyl chitosan sulfate was studied. 研究了磺化羟乙基壳聚糖的制备方法。
- 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。
- An anhydride formed by the removal of a water molecule from the hydroxyl and carboxyl radicals of hydroxy acids. 内酯一种通过从酸的羧基中除去一个水分子而形成的脱水物
- Study on Flavonoids Extraction and Function of Scavenging Hydroxy Free Radical from Lespeda. Dunnii. 春花胡枝子黄酮类化合物的提取及清除羟自由基作用的研究。
- 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。
- RT-PCR discove r ed mRNA of NSE(neuron specific enolase),Nurr1,Ptx3,Lmx1b and Tyrosine hydroxy lase(TH)were positive. RT-PCR结果显示NSE(neuron specificenolase)、Nurr1、Ptx3、Lmx1b和TH的mRNA均有表达;
- 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。