Research and Application of Tax Assessment System Based on BI Technology

随着税务部门信息化建设水平的不断提高，不同时间上线、不同开发商开发、不同业务部门使用的各种税务管理信息系统产生了大量的数据，然而这些数据却成了一些“信息孤岛”，缺乏有效的集成，很难为管理层的决策起支持作用。2006年，某省国家税务局将纳税评估纳入了计算机管理，其中纳税评估指标体系是纳税评估系统成功运行的核心。但目前纳税评估指标体系的建立和维护还处于手工操作阶段，人为的因素阻碍了纳税评估指标体系建立的科学性和公正性，在这样的指标体系下筛选的评估对象缺乏说服力，降低了纳税评估工作的效率和质量。因此，本文针对税务部门信息化建设的实际情况，利用BI（BusinessIntelligence）技术，主要...With the rapid progress in the building of information, a tremendous amount of data has been accumulated in taxation bureau from various tax management information systems which are launched in different period and came from different developer, made use of by different business department. However, these data come into being many “Information Silo”, without effectual integration. They are very di...学位：工程硕士院系专业：软件学院_工程硕士(软件工程)学号：X200723012

农村金融供求现状调查分析

文章以农村资金需求的角度出发,分析了当前我国农村金融资金的供给现状,努力从多方面、多角度探求各种改善农村资金供给的措施,以期为农村发展提供资金支持

Photocurrent Enhancement by TiCl_4 Post_Treatment for TiO_2 Nanoporous Film Electrode

利用TiCl4 水溶液处理TiO2 纳米晶膜电极 ,可以提高光电流 ,改善电极的光电转换性能 .对未经处理和处理后电极的比表面、孔分布 ,以及瞬态光电流分析表明 ,后处理改善了电荷在电极中的传输 ,从而提高了光电流Enhanced photocurrent in dye_sensitized photoelectrochemical cell was obtained by post_treating the TiO 2 nanoporous film electrode with TiCl 4. By investigating the effect of the post_treatment on surface area, pore size distribution, laser pulse induced current transient of the film electrode, photocurrent increase by the post_treatment was assigned to the improved electron percolation resulting from broadening of interparticle neck.作者联系地址：北京大学化学与分子工程学院,北京大学化学与分子工程学院,北京大学化学与分子工程学院 北京100871 ,北京100871 ,北京100871Author's Address: College of Chemistry and Molecular Engineering,Peking University,Beijing 100871,Chin

Novel gelatin-siloxane nanoparticles decorated by Tat peptide as vectors for gene therapy

National Natural Science Foundation of China [30670559]; National Basic Research Program of China (973 Program) [2007CB935603]; Nature Science Foundation of Fujian Province of China [2006J0121]; Program for New Century Excellent Talents in Fujian ProvinceIn principle, the technique of gene delivery involves taking complete or parts of genes that can code specific messages and delivering them to selected cells in the body. Such a transfer of plasmid DNA into mammalian cells has posed major challenges for gene therapy. A series of gelatin-siloxane nanoparticles (GS NPs) with controlled size and surface charge were synthesized through a two-step sol-gel process. In order to increase the efficiency of cellular uptake, HIV-derived Tat peptide was further grafted to GS NPs. In vitro co-location and endocytosis inhibition experiments suggested that the as-synthesized TG NPs may enter HeLa cells via a combined pathway of lipid-raft- and receptor-dependent endocytosis, and only cause little cell damage. Moreover, this study shows the encapsulation of a plasmid DNA in TG NPs to be obtained as a non-viral gene vector. This kind of encapsulation provides complete protection to the plasmid DNA from the external DNase and serum environment, and generates the hope that the resulting formulation can be developed into a potential vector for effective gene delivery. In order to check this potential, the reporter gene pSV beta-gal was encapsulated, and in vitro transfection efficiency of this system was found to be nearly 130% compared to the commercially available transfection reagent Lipofectamine T

中等學校家事科教學漫談

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《投资性房地产准则》的会计政策选择

一、投资性房地产的初始确认房地产是土地和房屋及其权属的总称。土地是指土地使用权;房屋是指土地上的房屋等建筑物及构筑物。随着经济的发展和投资理念的改变,将房地产作为一种投资手段已成普遍经济现象。《投资性房地产准则》规定,作为投资性房地产,其持有的用途和目的是为了赚取租金或资本增值,并能够单

档案工作与和谐社会构建的思考

档案是人类历史活动的产物,记载着历史的真实,它不但记录着过去,更服务于未来。档案查考利用方式、范围随着市场经济的不断发展发生了巨大变化,人们越来越重视档案的价值。维护人民群众的利益,构建和谐社会,提高档案工作的积极性、主动性和有效性,都具有极为重要的作用。</jats:p

一种菊芋组培繁殖方法

一种菊芋组培繁殖方法，包括如下步骤：对外植体进行消毒处理；将外植体接种至愈伤组织诱导培养基，在23℃-25℃下，暗培养至出现愈伤组织；取愈伤组织，将其切成小块，转接至不定芽诱导培养基中，光照培养至长出不定芽；将不定芽转移至继代培养基中，在23℃-25℃下，光照培养20-25天；将继代苗转入生根培养基中，在23℃-25℃下，光照培养15-20天；取出生根的组培苗，洗去根部培养基，栽入基质中，再移栽至大田。上述菊芋组培繁殖方法，可以采用菊芋不同部位作为外植体进行组培繁育，所使用的外植体容易取得，实验操作简单易行。且通过通用的MS培养基搭配不同生长激素得到了适宜菊芋组织培养的专用培养基，能有效地进行菊芋的组织培养，使菊芋得到快速繁殖