生物化学

Nanoscale titanium dioxide（TiO2）,a noncombustible and odorless white powder,was widely used in the fields of paints,waste water treatment,sterilization,cosmetics,food additive,and bio-medical ceramic materials,etc.,because of its inherent advantages of the photocatalysis,anticorrosion and high stability. Therefore,it is unavoidable for nanoscale TiO2 to enter the environment and ecological system and to induce the potential biological effects.

纳米二氧化钛（TiO2）因具有良好的光催化特性、耐化学腐蚀性和热稳定性，而被广泛应用于涂料、废水处理、杀菌、化妆品、食品添加剂和生物医用陶瓷材料等与日常生活紧密相关的领域，因此，其将不可避免地进入环境和生态系统中引起相应的生物学效应。

Methods The expression of CD147 and MMP-2 proteins were detected by immunohistochemical method in 46 cases of gliomas, and compared with those in 14 cases of normal brain tissues. The correlation between them was analyzed.

应用免疫组织化学链霉素抗生物素蛋白－过氧化酶连接法，检测46例胶质瘤瘤组织中CD147蛋白及MMP-2蛋白的表达，分别与正常脑组织14例进行对照。

In summary, the application of chemometrics shows great potentialities in nucleoside analysis with CE.

上述研究表明，化学计量学在生物样品毛细管电泳分析中具有良好的应用前景。

In this paper, preparation of orange peel cellulose biosorbents and its biosorptionbehaviors of copper and lead ions are studied.

本文中，我们制备了几种化学修饰的桔子皮纤维素生物吸附剂，并对铜、铅离子的吸附性能做了研究。

THe application foreground on physics,biology,chemistry and overspeed optic communication is widened by the research.

进一步拓宽了超短脉冲在物理、生物、化学以及超高速光纤通信等领域的应用范围。

This has led to a failure to adopt modern informatics and software techniques and therefore paucity of chemistry in bioinformatics.

这导致了采用现代信息学和软件技术的一个失败，并因此在生物信息学中缺乏化学。

Based on reviewing key techniques for bioethanol production from lignocellulose, advantages and disadvantages of various physical, chemical and biological pretreatments, along with the latest methods, were analyzed. Moreover, the characteristics of many kinds of microbes, such as their thermotolcrance and ability of pentose's usage, and the widely-used fermentation modes are also summarized in this review to provide some new ideas for ethanol production from lignocellulose.

本文在综述国内外纤维素乙醇生产关键步骤的基础上，着重分析了各种物理、化学和生物预处理的优缺点以及新兴的预处理思路，归纳了各类纤维素乙醇生产菌的特点，包括耐高温和五碳糖的利用，并介绍了当前主要的发酵方式和优化措施，以期为木质纤维素生产乙醇提供新的研究思路。

The method inducing periodontitis animal model contains biological,physical,chemical,and various kinds of environment factors.

建立牙周病动物模型的方法，主要是用生物的、物理的、化学的和各种环境因子作用于实验动物。

In order to overcome the shortcomings of acellular dermal matrix used as tissue engineering scaffold material, such as bad permeability, low degradation speed, and strong immunogenicity, a new type of collagen scaffold was prepared by applying various chemical, biological and physical comprehensive methods to deal with pigskin. The microstructure of the scaffold was observed under photomicroscope and scanning electron microscopy, and the in vitro degradation time, permeability, tensile-strength, porosity, shrinkage temperature were tested.

为了克服猪脱细胞真皮基质作为组织工程支架材料渗透性差、降解速度过慢、免疫原性较强等缺点，采用多种化学、生物与物理综合方法处理猪皮制备了一种新型天然胶原支架材料，通过光学显微镜、扫描电镜观察以及体外降解时间、透水汽性、拉伸强度、孔隙率、收缩温度等的测定，对其性能进行了研究。

Both phototrophic and chemotrophic bacteria are suitable candidate microorganisms for hydrogen sulfide removal.

本文综述了近年来研究人员在开发生物脱硫工艺方面所做的大量工作，以取代传统的化学脱硫工艺。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。