用合成法合成

Methods PIWIL4 peptide was synthesized using chemical method, and conjugated to Keyhole limpet hemocyanin as immunogen.

方法合成特异性PIWIIA多肽，以马来酰胺活化匙孔血蓝蛋白作为载体构建多肽免疫原，通过致敏大白兔，制备兔抗人PIWIIA多克隆抗体，然后用亲和层析法纯化抗体。

Surface modified nano-sized mgnesium hydroxide was prepared by direct precipitation method with magnesium nitrate hexahydrate and sodium hydroxide as raw materials,and sodium fatty alcohol polyoxyethylene ether carboxylate as modifying agent.The optimum dosage of modifying agent was 0.2% of the mass of magnesium hydroxide,which was confirmed by sediment volume experiment.Modified and unmodified samples were characterized by fourier transform infrared spectroscopy,X-ray diffraction,transmission electron microscope,and tap density test.

以六水硝酸镁、氢氧化钠为原料，脂肪醇聚氧乙烯醚羧酸钠为改性剂，采用直接沉淀法一步合成改性纳米氢氧化镁，用沉降体积实验确定改性剂的最佳用量为氢氧化镁质量的0.2%，通过红外光谱、X射线衍射、透射电镜、表观密度对改性前后的样品进行表征。

The optimal conditions of the process has been studied by Latin square experiments.

乙醇中采用银盐和碘化物制备碘化银纳米微粉，用拉丁方格实验法确定合成过程中的适宜条件。

In order to obtain the thermodynamic data of the synthesis of ethyl methyl carbonate from dimethyl carbonate and diethyl carbonate, the standard molar enthalpies of formation, Gibbs free energy and molar heat capacity under constant pressure are calculated by the method of Benson group contributions.

为了得到碳酸二甲酯和碳酸二乙酯酯交换合成碳酸甲乙酯反应的热力学数据，用Benson基团贡献法计算了相关物质的标准摩尔生成焓、吉布斯自由能和摩尔定压热容。

This paper study mainly on synthesis, crystal structure, antitumor of quinolone compounds containing palladium, and synthesis, crystal structure of norfloxacin picrate supremolecular compound. The interaction of quinolones with DNA and the factors which effect interaction of quinolones with DNA also were studied. Meanwhile the interaction between phenthroline metal complex and DNA were studied by spectroscopy.

本论文主要研究了喹诺酮钯化合物的合成、晶体结构和抗癌活性；研究了喹诺酮与DNA之间的相互作用及影响因素；用分子静电势参数法研究了喹诺酮药物的定量结构-活性关系。

The resultapproached primary conclusion. The sterilization effects of Gemini surfactants and 1227 to sulfate reduction bacteria,saprophyte bacteria and iron bacteria have been evaluated.

根据绝迹稀释法考察了合成的双季铵盐产品对硫酸盐还原菌、腐生菌和铁细菌的杀菌效果，并与传统杀菌剂 1227 进行了比较，双季铵盐产品杀菌率超过 97%，符合企业用杀菌剂标准。

P-Bromobenzaldehyde was synthesized from p-bromotoluene by direct oxidation with manganese sesquioxide The factors affecting the yields of p-bromobenzaldehyde were investigated.

用三氧化二锰直接氧化法将对溴甲苯氧化对溴苯甲醛，讨论了合成过程中影响产率的各种因素，确定反应的优化条件为温度338K，硫酸的浓度7.5mol/L，三氧化二锰1.8g，产率可达73.89%。

The invention adopts a low temperature solid state reaction method, proceeds from europium oxide, molybdenum oxide and strontium carbonate, and can synthesize the UV-excited europium-doped strontium molybdate LED red phosphor having stable chemical performance without high temperature calcinations. The method is high in maneuverability and good in reproducibility. The obtained product is stable in quality and regular in appearance.

本发明采用低温固相反应法从氧化铕，氧化钼与碳酸锶出发可以不需要高温煅烧合成出化学性能稳定、紫外激发LED用铕掺杂钼酸锶红色荧光粉，本发明方法的可操作性强，重现性好，所得产品质量稳定，形貌规整。

A novel compound——N-naphthalene acylN′-substituted p-chlorobenzamido thiocarbamide was synthesized by reaction of p-chlorobenzamido hydrazine and α-naphthalene acyl mustard oil,which was obtained by potassium thiocyanate combined with α-naphthalene acyl chloride formed from α-naphthylacetic acid and SOCl2 in anhydrous benzene.

通过α-萘乙酸和SOCl2在无水苯中反应制得α-萘乙酰氯，然后与硫氰酸钾反应生成α-萘乙酰基异硫氰酸酯，再与对氯苯甲酰肼进行加成反应，合成了新型化合物N-萘乙酰基-N′-对氯苯甲酰氨基硫脲，用薄层色谱法跟踪最后一步反应，确定了反应时间。

By this simple method, trinary oxides such as several kinds of ferrites were prepared. XRD and SEM were employed to characterize the phase and morphology of the final product. Hysteresis loops of the as-prepared ferrites were given and cobalt ferrite had the biggest magnetism and coercive force.

运用溶液燃烧法一步合成了多种铁氧体等三元氧化物，分别用X-射线粉末衍射、扫描电镜对其相态和形貌进行初步的表征；磁性能研究显示钴铁氧体具有最大的磁能积和矫顽力。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失