112 research outputs found
Design and Implementation of a Art School Educational Administration Management System
近年来,随着国家加大对高等教育的投入,以及高等教育的逐步深入,国内高校学生数目急剧增加。与此同时,我国高校的教务管理系统依然停留在传统的管理模式之中。数据的急速膨胀,与管理系统的严重落后,二者之间的矛盾越来越明显,对管理系统更新和完善的要求也越来越高。为了改变传统教务模式的弊端、推广网络化教务、提高我国高等院校教务活动的效率,实现提高教务工作效率和促进高等院校教务的沟通交流目的,根据某艺术高校教务室日常教务工作所面临的问题,特制定一套应用于该艺术高校的教务工作管理系统,主要工作和成果包括: 1、认真研究国内外教务工作管理系统的现状,提出研究开发我国高等院校计算机教务工作管理系统的必要性; ...Recently, with the increasing of government’s support on higher education and the development of higher education, the number of the students in high school has been rapidly increasing. Meanwhile, most school pay little attention on educational administration management, which makes the educational administration management became more and more difficult. In order to change the disadvantages of tr...学位:工程硕士院系专业:软件学院_工程硕士(软件工程)学号:X201223076
Research on Retail Business marketing Strategy of ICBC ——Taking Shanghai Branch as Example
所谓零售银行,是指服务对象为普通大众市民、中小企业及个人小户,通过银行分行、自动柜员机及网上银行等与客户交往的银行模式。 纵观当今银行业,零售业务在银行的整体发展战略中得到越来越高的重视,全球各大商业银行都加快了发展零售银行业务的步伐。相对于批发业务,零售业务市场前景异常广阔,风险相对更加易于控制、利润空间稳定,已经成为世界各大商业银行的主要利润来源,零售银行业务利润占比达50%以上。随着我国经济的高速发展和金融体制改革的不断深入,我国商业银行的经营环境已经发生了剧烈的变化,银行经营受到了更多方面的冲击,竞争也日趋白热化;同时,随着我国居民经济收入的不断增加,人们对金融服务的需求也日益呈现个...Retail Banking, referring to the service for the general public, small and medium-sized enterprises and individual business, is a type of banking model communicating with the customers through bank branch, ATM, internet banking and other channels. Throughout current banking industry, the retail business is attracting more and more attention in the overall development strategy of banks. Compared t...学位:工商管理硕士院系专业:管理学院高级经理教育中心(EMBA项目)_高级管理人员工商管理硕士(EMBA)学号:X201115601
附子多糖抑制血管平滑肌细胞钙化的神经酰胺机制
【目的】研究附子多糖是否抑制血管平滑肌细胞钙化及探讨其机制是否与神经酰胺有关。【方法】我们采用氧化型低密度脂蛋白(Ox-LDL)诱导人体血管平滑肌细胞钙化,用不同浓度的附子多糖处理细胞,茜素红染色测细胞钙化,qRT-PCR检测成骨样分化标志物Msx2、Osterix、BMP2及收缩蛋白SMA的mRNA表达水平,Western blot检测Msx2、BMP2的蛋白表达水平,TUNEL法测细胞凋亡。此外,观察附子多糖对血管平滑肌细胞神经酰胺的水平及其代谢酶中性鞘磷脂酶(N-SMase)的活性的影响。【结果】附子多糖能抑制Ox-LDL诱导的血管平滑肌细胞凋亡和钙化。神经酰胺可参与Ox-LDL诱导的血管平滑肌细胞凋亡和钙化。附子多糖可降低N-SMase的活性和神经酰胺含量。【结论】附子多糖可通过调节神经酰胺信号改善血管平滑肌细胞钙化
冬青油真伪鉴别方法研究
通过比较傅里叶变换红外光谱技术(FTIR)、气相色谱-质谱联用技术(GC-MS)、核磁共振波谱技术(NMR)、气相色谱-燃烧-稳定同位素比值质谱技术(GC-C-IRMS),建立了有效鉴别天然冬青油的方法。FTIR结果表明,样品均含有天然冬青油的官能团;GC-MS结果表明其主成分均为水杨酸甲酯;而NMR定性结果显示样品均为水杨酸甲酯的C、H结构,并利用核磁共振对样品进行了绝对定量;碳、氢稳定同位素测定结果显示天然冬青油、冬青油的δD、δ13C值偏负,合成水杨酸甲酯、疑似合成冬青油的δD、δ13C值偏正。结果表明,稳定同位素比值质谱技术可以有效鉴别天然冬青油。广东省普通高校特色创新项目(650465)广东石油化工学院自然科学研究项目(513036
Simultaneous Determination of 36 Pesticides in River Water and Sea Water Using Solid Phase Extraction-Gas Chromatography
应用固相萃取和气相色谱技术建立了河水和海水中36种常用农药(7种有机氯、11种有机磷、8种拟除虫菊酯、4种酰胺、2种苯胺和4种唑类杂环)的分析方法。采用OASIS(Hlb柱为水样富集萃取柱,考察了洗脱溶剂、上样体积、PH值和离子强度等因素对萃取效果的影响,采用无水硫酸钠和nH2柱进行除水和净化。目标农药在0.9--2 600μg/l范围内线性良好;以PCb103为内标物,2,4,5,6-四氯间二甲苯、环氟菌胺和氟丙菊酯为替代物,实际河水、海水的加标回收率分别为62%--124%、64%--132%,相对标准偏差(n=3)分别为0.2%--9.6%、0.1%--12.2%;方法检出限为0.10--1.0 ng/l。方法快速、灵敏、准确,已成功应用于福建九龙江入海口表层水样的分析。A method for simultaneous determination of 36 pesticides(7 organochlorines,11 organophosphorous,8 pyrethrins,4 amides,2 nitrodiphenylamines and 4 heterozoles) in river water and sea water was established by combination of solid phase extraction and gas chromatography(SPE/GC).Oasis HLB cartridge was selected to extract and enrich target pesticides.Effect of experimental conditons,such as elution solvents,loading speed,penetration volume,cleanup cartridges,pH and salinity on extraction efficiency were investigated.Under the optimized conditions,the calibration curves showed good linearity between 0.9 and 2 600 μg/L for targeted compounds.With PCB103 as internal standard,2,4,5,6-tetrachloro-m-xylene,cyflufenamid and acrinathrin as surrogates,recoveries of 36 pesticides from river water and sea water at two spiking levels were in the range of 62%-124% and 64%-132%,respectively,their relative standard deviations(n=3) were 0.2%-9.6% and 0.1%-12.2%,respectively.Method detection limits ranged from 0.10 to 1.0 ng/L.The method was fast,sensitive,accurate,and was successfully applied in the analysis of pesticide in surface waters of Jiulong River estuary,Fujian province.福建省自然科学基金资助项目(2006J0140
Efficacy and Safety of Sacubitril-Valsartan in the Treatment of Heart Failure with Preserved Ejection Fraction
Clinical Application and Nursing Progress of Early Enteral Nutrition in Critically Ill Patients in Neurosurgery
浅论园林小品工程的作用及其施工管理
园林小品工程体量小巧,若匠心独用能使园林表现出无穷的活力、个性与美感。因此,在实际的施工中,要充分利用各个空间,合适、合理地布置景观小品,使之与植物、建筑、水体等有机地结合起来,成为完整的景观。本文阐述了园林小品工程的类型、园林小品工程的作用以及园林小品工程的施工要求,对园林小品工程的施工技术及其施工管理进行了论述分析,旨在促进园林事业的健康发展。</jats:p
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