基于灰色关联法的CoPS创新复杂性评价模型

本文的目的是对CoPS创新复杂性进行评价。采用的方法是从技术创新复杂性、组织创新复杂性、外部环境的复杂性构建CoPS创新复杂性评价指标。通过设计调查问卷并向这5家特种车辆进行问卷调查,来建立CoPS创新复杂性灰色关联评价模型,并评价5个产品的创新复杂性。得出结果是给出了5个产品创新复杂度排序,CoPS创新复杂性越高,其生产成本随之提高,其创新风险就越高,研究结果可以为版主企业在一定程度上减少创新复杂性带来的风险。     

广西高新技术产业园区变迁与发展研究

广西壮族自治区是较早创建高新技术产业园区的省区之一,经过30多年的建设,广西的高新区已成为高新技术发展的重要平台和带动地方经济增长的重要引擎.文章对广西高新技术产业园区30多年的变迁与发展历程进行了梳理,对广西高新技术产业园区发展的基本经验进行分析总结,以期促进广西高新技术产业园区的发展.     

用EOS／MODIS—NDVI监测枣树生长状况的分析

为研究遥感技术监测宁夏枣树生长状况，以宁夏灵武马场湖农场和灵武园艺场两个长枣种植基地为研究对象，结合GPS调查，整理2005--2009年红枣生育期过宁夏境内EOS／MODIS晴空资料，并依据红枣气象灾害发生指标，分析红枣生育期归一化植被指数INOV变化及受灾前后的变化规律．结果表明，枣树全生育期INOV变化曲线为双峰型，越冬冻害对枣树前期生长影响大，并随时间推移影响逐渐消退．两基地的冻害分析和变异系数分析说明，园艺场受低温冻害的影响高于马场湖农场．受6月中下旬盛花期热干天气的影响，7月上旬至8月中旬枣树INOV总体上较正常年份偏低，但到了8月下旬后影响消失．运用MODIS-NDVI能够进行快速监测气象灾害，可为在避灾规划及防御、指导种植区选择方面提供参考．     

南昌经济型酒店的SWOT分析

本文结合南昌的实际状况,对南昌市的经济型酒店发展的内部条件和外部环境进行了SWOT定性分析和定量分析,得出了优势和劣势同在,机会大于威胁,宜采取扭转型策略,如经济型酒店的经营理念要创新、加强与江西旅游院校实行校企合作等。     

基于磁性纳米颗粒的温度测量理论模型误差研究

磁性纳米颗粒温度测量技术是一种新型、非接触式磁学测温方法,可以实现肿瘤热疗法中的在体温度实时监测等极端条件下的温度测量,但该技术伴随的温度测量误差问题,严重制约其在更多领域的应用和推广.针对这一问题,从郎之万函数泰勒级数展开式的不同展开项、激励磁场幅值、信噪比三个方面,并通过仿真和实验,分析验证了不同项数的泰勒级数展开项数对温度误差的影响.结果表明,利用五项泰勒级数展开项数逼近郎之万函数,增加激励磁场强度,提高信噪比等方法,能够从理论上解决磁性纳米颗粒温度测量误差较大的难题.     

如何更好地编制建筑工程投标报价

文章结合多年的实践经验,分析了施工企业在经营工作中如何更好地把握市场形势,顺应发展潮流,适应投标环境,发挥企业优势,建立科学、完善的投标管理体系,灵活合理运用报价策略和报价计巧,更好地做好投标报价工作,在竞争日益激烈的市场中立于不败之地.     

室温下的小蛋白折叠研究

目前,无论在实验还是理论研究方面,研究蛋白质的从头折叠即使是小蛋白的折叠也非常困难.在室温下研究蛋白质的折叠过程可以有效的阐述蛋白质折叠机制.笔者从2I9M的线性结构出发,在室温下运行了15 ns的分子动力学模拟,发现它在6.4 ns时成功折叠到了天然态结构,此时的结构与天然态结构的均方根偏差为1.17(A),模拟结构与天然态结构符合的非常好.折叠过程是首先在C端出现了螺旋,随后N端又出现了螺旋,然后螺旋从N端鱼贯式生成,最终形成天然态结构.     

高速公路对凌井沟自然保护区的影响及对策

调查了凌井沟自然保护区动植物区系特征和生态系统特点，分析了高速公路建设对保护区的影响，并提出了生态保护的对策。     

Laser-induced fluorescence: Progress and prospective for in vivo cancer diagnosis

Cancer diagnosis and treatment are of great interest due to the high death rate of cancer.To improve the cure rates of cancer,a diagnostic tool which can detect and treat cancer at initial stages is great needed.Laser-induced fluorescence(LIF) is an adequate analytical technique with advantages of high sensitivity,low sample consumption,short testing time,and suitable for in situ testing.Therefore,it has become one of the most widely used spectroscopic methods for cancer in vivo diagnosis in recent years.This review mainly focuses on the applications of in vivo LIF to distinguish premalignant,malignant from normal tissues in a variety of organ systems,such as lung breast,colon,cervix,esophagus,and bronchus.The potential influence factors for cancer diagnostics and the subsequent suitability of the method to different applications are well discussed.Meanwhile,the technical merits and weaknesses of the LIF technology for cancer diagnosis are also evaluated.Furthermore,different exogenous fluorophores,endogenous fluorophores,and fluorophores synthesized in the tissue are compared on their active principle and effect contrast.The technical potentials of LIF for further development and future applications are also presented as well in this review.     

Investigation of the kinetic mechanism of the demanganization reaction between carbon-saturated liquid iron and CaF_2–CaO–SiO_2-based slags

The demanganization reaction kinetics of carbon-saturated liquid iron with an eight-component slag consisting of CaO–SiO_2–MgO–FeO–MnO–Al_2O_3–TiO_2–CaF_2 was investigated at 1553, 1623, and 1673 K in this study. The rate-controlling step(RCS) for the demanganization reaction with regard to the hot metal pretreatment conditions was studied via kinetics analysis based on the fundamental equation of heterogeneous reaction kinetics. From the temperature dependence of the mass transfer coefficient of a transition-metal oxide(Mn O), the apparent activation energy of the demanganization reaction was estimated to be 189.46 k J·mol~(–1) in the current study, which indicated that the mass transfer of Mn O in the molten slag controlled the overall rate of the demanganization reaction. The calculated apparent activation energy was slightly lower than the values reported in the literature for mass transfer in a slag phase. This difference was attributed to an increase in the "specific reaction interface"(SRI) value, either as a result of turbulence at the reaction interface or a decrease of the absolute amount of slag phase during sampling, and to the addition of calcium fluoride to the slag.