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- 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。
- Result indicated that the product methylbenzene could meet the quality requirement. 结果表明,产品甲苯的质量符合要求。
- Abstract: Objective： To determine the effect of methylbenzene on meiosis of spermatocyte from mouse testis. 摘 要: 目的探讨甲苯对小鼠精母细胞减数分裂的影响。
- Objective:To determine the effect of methylbenzene on meiosis of spermatocyte from mouse testis. 目的探讨甲苯对小鼠精母细胞减数分裂的影响。
- Use the increased concentration of CO2 as the index to assessment the nineralization of heptane and methylbenzene. 并以生成的CO2浓度变化情况为指标，分析了此系列复合半导体对有机物的光催化降解时的矿化情况；
- The test results indicate that method got the same result as the standard method using methylbenzene as solvent. 经试验结果证明:本法与标准法用甲苯作溶剂测得的结果相一致。
- 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。
- Objective To establish a determination method of the residual chloroform,dichloromethane and methylbenzene in Granisetron Hydrochloride by GC. 目的建立了毛细管气相色谱法测定盐酸格拉司琼中氯仿、二氯甲烷、甲苯的有机溶剂残留量。
- 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。
- METHODS Headspace GC was used to determine the skellysolve B,benzene,methylbenzene,styrene in Peristrophe baphica extraction. 方法采用顶空气相色谱法对树脂残留物正己烷、苯、甲苯、二甲苯、苯乙烯进行检测。
- 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;
- 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。
- Thus, the reaction of methanol with hydroxy group on the surface of zinc oxide surface was reversible. 因此甲醇在氧化锌表面吸附生成甲氧基和水的反应是可逆的。
