Abstract:采用Sol gel法化学工艺在较低温度下合成纳米级La1 xBaxCoO3(X =0 ,0 .1≤X≤ 0 .2 )湿敏半导体陶瓷 .用XRD、BET比表面吸附、Archimede排水法等技术对所合成陶瓷物相和结构进行了表征和分析 .湿敏特性测试结果表明 ,La1 xBaxCoO3半导体纳米陶瓷有一定的湿敏性能 ,当X =0 ,材料呈负湿 阻特性 ,当 0 .1≤X≤ 0 .2 ,材料呈正湿 阻特性 .从晶界层空穴载流子数角度合理解释了La1 xBaxCoO3纳米陶瓷的正湿 阻特性

Abstract:The effect of different pH controlled during the process of batch fermentation on biomass and polysialic acid production with Escherichia coli K235 WXJ4 was investigated. It was showed that cultivation of the strain without controlled pH was advantag

Abstract:研究了重组大肠杆菌E.coli Ⅱ-1 摇瓶发酵生产谷胱甘肽合成酶系的工艺条件，确定了E.coli Ⅱ-1 的最适产酶条件.最佳发酵培养基组成（g/L）为葡萄糖10, 蛋白胨5, 酵母膏2.5, K

Abstract:With phosphorus oxychloride the high cross linking corn starches were prepared. The noncrystallization of the starches with the increase of the degree of substitution was reported.The polarisation microscopy and X ray diffraction data suggested that hig

Abstract:The system of mint oil solubilized by micelles was studied from quantity and quality.Quantitatively,the effect of temperature on the solubilizing capacity was investigated ,and three component phase diagrams were drawn with drop weight method in different

Abstract:The properties of different grade casein phosphopeptides(CPP) in enhancing the absorption of calcium were studied. The content of the binding calcium of CPP, the effect of CPP on retarding the formation of calcium phosphate and the capacity of CPP keeping

Abstract:研究了红平红球菌（Rhodococcus erythropolis）CCRC10909产生的生物絮凝剂REA-11的絮凝条件.REA-11在偏酸性范围内（pH3.0～6.5），絮凝活性稳定，耐热性较强，热稳定范围可高达80℃.CaCl

Abstract:通过对数株红酵母培养后发酵液中菌体生物量及类胡萝卜素含量的测定比较，从中选出了1株产类胡萝卜素能力较强的红酵母RY-98；研究了该菌株产类胡萝卜素的最适碳源和氮源，并对其主要营养与环境条件进行了选择及优化，获得了最佳发酵条件葡萄糖40g/L、(NH

Abstract:通过采用盐析和透析等提纯方法，对解脂假丝酵母(Candidalipolytica)脂肪酶进行了纯化，比活提高了2.69倍，回收率45%.该酶反应的最适pH值为7.5，最适温度为38℃,pH稳定范围为6.0～7.5，温度稳定性较差，以2mol/L的蔗糖作保护剂效果较好.该酶为金属酶,5mmol/L的钙离子有较好的活化效果.

Abstract:采用Sol-gel法化学工艺在较低温度下合成纳米级La

Abstract:对重组大肠杆菌进行培养条件的研究，得到细胞合成L-DOPA最佳培养条件为L-tyrosine0.2%、KH

Abstract:采用硫酸铵沉淀及色谱分离技术对麦芽根中核酸酶进行了分离纯化，通过Sephacryl S-200,DEAE Sephadex A-50 and Sephacryl S-2003步色谱分离，得到了部分纯化的两种核酸酶(Ⅰ和Ⅱ)，核酸酶Ⅰ的纯化倍数为94，核酸酶Ⅱ的纯化倍数为1790.高效液相色谱显示两种酶作用于酵母RNA的产物均为5′-核苷酸.核酸酶Ⅰ的热稳定性比核酸酶Ⅱ好，在55℃下保温2h后，核酸酶I的活力损失仅13%，而核酸酶Ⅱ则高达64%.两种酶的最适温度分别为55℃和65℃.两种酶的pH稳定性相似，在pH2.5～9.0范围内很稳定.核酸酶Ⅰ的最适pH值为5.0和8.0～8.5，核酸酶Ⅱ的最适pH范围为4.0～5.5.

Abstract:研究了戊聚糖酶对面包品质的影响.加酶面包的体积明显增加，在适宜加酶量下，面包综合品质较佳.加酶面团中可溶性戊聚糖含量显著增加，但加酶过量可导致面团中水可提取的阿拉伯木聚糖(WEAX)降解程度加剧.未加酶面团较原料面粉中的可溶性戊聚糖含量略有增加，WEAX亦有部分降解，但作用程度远低于加酶样品.适量戊聚糖酶对面包品质的改良作用的关键在于产生大量的相对分子质量适宜的WEAX.

Abstract:从顶青霉（Penicillium corylophilum）培养液中分离纯化得到的3种木聚糖酶组分(Part A,Part B和Part C)，对其水解动力学和水解模式的研究结果表明,3种木聚糖酶的动力学常数（桦木木聚糖为底物）分别为Part A,K

Abstract:Foam capacity(FC) of silk fibroin was lower than that of caseinate, while its foam stability (FS) was markedly better than that of caseinate. Fibroin solution formed gels more rapidly with shearing than without shearing. Scanning electron microscopy (SEM)

Abstract:对三甲氧基苯甲醛(TMBA)废水的生物接触氧化处理过程进行了动力学分析，根据实验结果归纳出动力学方程，同时求出TMBA废水在20～30℃时的动力学参数，为废水生物处理系统的设计和运行提供了依据.

Abstract:The spectra patterns of volatile flavor components in potherb mustard pickles detected by Gas Chromatography/Mass Spectometry(GC/MS) were investigated in order to identify key compounds in the pickles. The constituents from pickle brine extracted with eth

Abstract:应用高效液相色谱法分离和测定红心薯中类胡萝卜素.样品制备采用已烷-丙酮-乙腈-甲苯混合溶剂与40%氢氧化钾甲醇溶液浸提、皂化的方法，使用Nova-PakC18不锈钢柱,乙腈-三氯甲烷-叔丁醇作三元流动相,流量线性梯度洗脱等色谱条件,在440nm波长下检测,红心薯中主要类胡萝卜素得到了较好的分离.以外标定量法对红心薯中的4种主要类胡萝卜素(β-胡萝卜素,叶黄质,堇黄质,新黄质)进行了定量，结果较为满意.

Abstract:On the base of analyzing the characteristics and designing methods of programmable logic component, a new kind of designing method of tester of household electronic appliances with PLD is introduced in this paper, which is more economical and stable than

Abstract:近年来，Agent和多Agent系统成为计算机科学和分布式人工智能研究的一个重要方向.而机器人足球赛(Robocup)作为人工智能和机器人学的一个研究课题，其研究领域涉及智能机器人、多智能体系统，实时推理和规则，通讯技术及传感器数据融合技术等.比赛在一个实时的多Agent环境下进行，具有协作、对抗、含噪声等特点，正好为研究多Agent系统提供了一种测试平台.作者主要讨论在Robocop实时动态环境中Agent的设计及多Agent的合作、学习等相关问题.

Abstract:The modeling model for glass bottle was proposed. The parametric smooth curve of circle arc and Bezier curve were utilited to form the bottle contour. The volume of bottle was controlled through adjusting the parameters of the contour curve and structure.

Abstract:In this paper, a new algorithm for applying the methods of mathematical morphology to fine grain processing of digital image was propounded. The comparison of the new algorithm with the conventional one on computing load, processing speed and effects was

Abstract:The paper introduces a new treatment method before printing that is helpful for those plastics, which are hard to be printed. This subject was finished by means of many systems experiments according to polymer physics and plasma physics combining print pr

Abstract:Anaerobic process in the wastewater treatment, owing to its inherent priority in application, attracted people much attention in recent years. Followed that, the third generation of novel types of high rate anaerobic reactors, such as EGSB, IC, UBF and AS

Abstract:The structure, preparation, antibacterial spectrum, antibacterial mechanism of lactoferricin and influenced factors of its antibacterial activity were reviewed in this paper.