化学结合

Methods: Thirtyfive cholesteatomas tissues and twenty normal human external ear canal skin were used in this study.

采用免疫组织化学技术SABC法检测CDK4、P16在中耳胆脂瘤35例、正常外耳道皮肤20例中的表达，并结合胆脂瘤对听小骨骨质破坏程度，采用SPSS11.5软件进行统计学分析。

In order to resolve the problem met in the pretreatment of traditional methods for Optical stimulated luminescence dating sample which can not obtain enough purity and quantity of quartz, a new quartz separation process in obtained, with contrast experiments, combined with the welldeveloped quartz purification techniques in glass production, finally a new quartz separation process is obtained.

为了解决光释光前处理中遇到的传统方法无法获得满足纯度石英的问题，通过大量对比实验，结合玻璃工艺中石英分离研究成果，最后获得了新的石英提纯流程，与传统方法相比，新方法通过化学分离避免了密度变化对石英长石分离的影响，从而解决了斜长石和岩屑在传统的重液分离中无法剔除的问题，新方法能够获得满足纯度要求和量要求的石英，同时，新方法比传统方法实验室工作效率更高。

Peptide nucleic acid is a kind of new nucleic acid mimic invented in the early 1990s', in which the deoxyribose phosphate backbone has been replaced by a pseudo-peptide polymer to which the nucleobases are linked. PNA is uncharged, highly stable in chemical and biological environments, and binds complementary DNA and RNA targets with remarkably high affirnity and specificity.

肽核酸是二十世纪九十年代初合成的一种全新的核酸类似物，它以多肽骨架完全替代DNA中的脱氧核糖磷酸二酯键的骨架，呈电中性，具有极高的生物和化学稳定性、极强的核酸结合能力和特异性，在分子生物学的许多方面得到广泛应用。

Making use of petrochemical analysis and petrography,Werecover ancient rock's construction on the Archaean Era,Through the practice,We find bedrock consists of a set of neutrality and basis volcanic rock ,volcanoclastic rock ,deposition rock and partial volcanic rock with acidity.

利用岩石化学分析法并结合岩相学等特点将太古宙变质岩进行了原岩建造恢复，认为太古宙原岩为一套中、基性火山岩、火山碎屑岩和沉积岩，局部夹酸性火山岩建造。

Mass Spectrometry and quantum chemistry ab initio method have been used to study the reactivity of the methanol dehydration.

利用质谱分析结果结合量子化学ab initio方法，研究甲醇缩合脱水的反应过程。

In this paper, the control factors of anaerobic digestion are discussed based on the summarization of present research literatures. The mechanism of the effect of pH and Eh on anaerobic digestion is analyzed with microbiology and biochemistry theory. The equation describing the effect of pH variation on Gibbs free energy variationΔGis derived using Nernst equation, and the specific control conditions in engineering are summed up according to the present research achievements.

在总结已有文献的基础上，讨论厌氧消化过程的控制因素，并利用微生物学和生物化学理论分析了pH值和Eh对厌氧消化过程影响的机理；利用Nernst方程推导出了描述pH值变化对吉布斯自由能变化ΔG的影响的方程式；并结合已有的研究成果，总结了实际工程中的具体控制条件。

The basic concept of FOP can be summarized as to further optimize effective prescription according to the standard of curative effects and with the aid of modern science and technology and theories of traditional Chinese medicine.

其基本内涵可概括为：以确有疗效的中药复方为研究对象，以现代科学技术和传统中医药理论为技术支持，以该复方所治病证的药效响应为评价标准，以优化重组疗效更优的新复方为研究目的。

Ever since our world has been a world, native forests have been indiscriminately exploited by man.

自从我们的世界一直是世界原生森林被任意剥削人。