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- hydroxy acetophenone 羟苯乙酮
- 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。
- 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。
- 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。
- Preliminary study of destruction of acetophenone in water by high voltage pulse discharges. 高压脉冲放电降解水中苯乙酮的研究。
- Sodium phenolate and acetophenone can be obtained by adding sodium hydrate into azeotrope. 共沸物中加入氢氧化钠,分离出酚钠盐和苯乙酮。
- The yield of useful matters is 92.91% and that of acetophenone with purity ov... 裂解产物中有用物质的收率为92.;91%25;苯乙酮的收率为82
- The results showed that sulfamic acid is an excellent catalyst for synthesis of acetophenone cylic ethylic ketal. 以氨基磺酸为催化剂,通过苯乙酮和乙二醇反应合成苯乙酮环乙二缩酮。
- 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。
- 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 forth step is to synthesize 5- hydroxy -5- methyl- 3,4- diphenylisoxazoline. 合成4-(5-甲基-3-苯基异?f唑-4-基)苯磺酰胺是重要的步骤,对其合成方法进行了对比。 采用反应5h的方法进行合成。
- The hydroxy methyl contents of resinous crosslinking agent from different resources were determined. 测定了不同产地的树脂交联剂的羟甲基含量;
- These dual-action deep cleansing towelettes with Alpha Hydroxy,Retinol and Vitamin C unfold to a full size. 含有充足的果酸、松香油和维生素C,具有深层洁肤、双重作用。
- Ethyl chloroformate reacted with both the hydroxy group and the carboxy group of the 17 position. 用氯甲酸乙酯将17位醇羟基和羧羟基同时酰化;
- Zaleplon,a new sedative hypnotic drug was synthesized from acetophenone by nitration,reduction,acylation,condensation,hydrocarbylation,and cyclization. 以苯乙酮为原料,经硝化、还原、酰化、缩合、烃化、环合反应合成了新型镇静催眠药扎来普隆,总收率为221%25。
- As open-chain hydroxy aldehydes and hydroxyl ketenes, the monosaccharides are very reactive. 以开链的羟基醛和羟基酮形式 存在的单糖非常活泼。
- For disposal of wastewater containing phenol(or nitrobenzene or acetophenone) with the EHIDT,we first obtain following kinetic equation. 提出了用等离子脉冲放电法处理含酚、硝基苯、苯乙酮废水时的动力学方程;
- Substituted phenoxy acetophenone was synthesized by an one-pot reaction of acetophenone with polymer-supported bromine and substituted phenoxide. 探讨了聚合物支载的过溴离子及取代苯氧基离子于单锅中,以苯乙酮为底物,合成取代苯氧基苯乙酮的方法,并与分步合成法相比较。