Study on the pollution of NPAHs and organic acids in aerosol

硝基多环芳烃（NPAHs）和有机酸是大气中广泛存在的有机物，主要来自化石燃料和生物质的不完全燃烧和大气化学反应二次生成。大厦门湾（包括厦门、漳州、泉州、金门）一直以来是中国沿海较为发达的区域之一。经济发展导致了环境的变化，空气质量有逐渐下降的趋势。为此，本文对NPAHs和有机酸的分析方法进行筛选和优化，对大厦门湾8个采样点气溶胶中的NPAHs（包括9-硝基蒽，2+3-硝基荧蒽，1-硝基芘，7-硝基苯并[a]蒽，6-硝基苯并[a]芘）和厦门大学海洋楼顶气溶胶中有机酸（包括C2-C10的直链二元羧酸、邻苯二甲酸、十六烷酸和十八烷酸）进行了监测，探讨其时空分布、季节变化、昼夜变化及粒径分布特征，对两...Nitrated polycyclic aromatic hydrocarbons (NPAHs) and organic acids are widely distributed in the atmosphere. They are either formed directly from incomplete combusion processes of fossil and biomass and/or from gas and heterogeneous phase reactions of precursors and atmospheric oxidants. Big Xiamen Bay which is located on the southeastern coast of China, to the west of Taiwan Strait, including Xi...学位：理学硕士院系专业：海洋与环境学院环境科学与工程系_环境科学学号：2262007115239

Study on Appraisal of Brand Value in Electronic & Information Industrial of China

电子信息行业是当今世界发展最快的高新技术产业之一，在各国国民经济中的作用比较突出。同时，该行业也是我国国民经济的重要支柱和“信息化带动工业化”战略中的主力军。但是，我国企业长期以来一直充当着一个世界电子行业最大代工厂的身份，只有产品输出，没有品牌输出。品牌问题成为困扰我国电子信息行业的企业扩张和发展的瓶颈。对电子信息企业进行品牌价值评估可以使其了解自身发展的状况，认识到品牌的重要性，并进行科学化、专业化和系统化的品牌建设，使品牌为企业创造更大的价值。因此，如何科学合理地评估电子信息行业的品牌价值成为学术界和企业关注的热点。 现有的一些品牌价值评估方法中，有些方法对品牌的形成考虑得不够周全，如...The electronic and information (E&I) industry is one of the world's fastest growing high-tech industries. In many countries, it plays a prominent role in the national economy. In China, the E&I industry is also an important pillar of the GDP and the main force of the "Information technology to stimulate industrialization" strategy. However, most of our companies have long been the world’s largest ...学位：管理学硕士院系专业：管理学院会计系_会计学学号：1752008115134

The supervisory control and management of intelligent housing estate based on geographic information system technology

随着我国经济的发展，人民生活水平的提高，城市居民的生活逐渐向小康型迈进，人们对生活的舒适性、便利性提出了更高的要求，住宅小区应朝向满足生活、办公、教育、娱乐、会客、健身、停车等诸多功能的方向发展，由此智能化住宅小区应运而生。智能小区，是将一定地域范围内多个具有相同或不同功能的建筑物按照统筹的方法分别对其功能进行智能化，实现资源充分共享，统一控制管理，提供安全舒适、方便节能及可持续发展的生活环境。GIS（GeographicInformationSystem）是一门融计算机图形学、数据库为一体，存储和处理与地理分布有关的图形和属性数据的技术，它有效实现了地图及其属性信息的一体化管理。智能小区的业...With the development of our country’s economy, the improvement of people’s daily life, and the boosting affluent life style of urban citizens, people put forward higher demand for the comfort and facility of life than ever before. Housing estate should expand in more directions as life, office work, education, entertainment, reception, exercise, parking and others, which lead to the engender of in...学位：工学硕士院系专业：物理与机电工程学院机电工程系_精密仪器及机械学号：20022900

The Empirical Study of Logistics Social Responsibility and Drivers：From the Perspective of Firm Size and Industry

随着经济全球化的发展，很多大型跨国企业纷纷将非核心业务外包，供应链上跨地域的产业分工与整合日益频繁，企业间的合作与依赖程度也越来越广泛，市场竞争已不再局限于两个企业之间的竞争，日益发展成为供应链与供应链之间的整体竞争。具有良好合作伙伴关系的供应链才能使整个链条上的企业在竞争中占有优势。我国作为“世界工厂”，很多企业由于每年不能达到大型跨国公司对供应商或采购商有关社会责任方面的要求失去很多订单。因此，我国企业积极承担供应链社会责任，是顺应国际标准化趋势、参与国际化竞争的必然要求。 本文在前人研究的基础上，首先通过问卷数据进一步验证了供应链社会责任的五个维度，及其内部驱动力和外部驱动力。然后，通...With the development of economic globalization and the population of outsourcing pattern, industrial division and integration in the supply chain have become increasingly frequent, and companies from different countries cooperate and coordinate more and more. So the market competition becomes the competition among different supply chains rather than two companies. The supply chain which has a good...学位：管理学硕士院系专业：管理学院_管理科学与工程学号：1772010115107

2006—2018年威尼斯建筑双年展回顾——来自金狮奖的启示

文章通过对历届威尼斯建筑双年展的中国馆与获金狮奖的国家馆对比,探索威尼斯建筑双年展的特征与启示。一个好展览应反映人类的共性问题,以包容性的态度,适应不同地域、民族与文化,这也是其虽每届都更换策展人但人文理念却始终不变的原因

福建洪坑土楼申遗十年后的政策思考——基于当地文化遗产保护现状

本文通过对申遗后十年间在文化遗产保护政策下的福建洪坑土楼的现状进行调研,探索政策与现实间的作用与反馈,深度分析并采取相应的政策调整,以适应洪坑土楼接下来的文化遗产保护进程。同时在政策层面,对中国的世界文化遗产保护工作起到一定的启示作用

The Effect of Thermal-Mechanical-Structure Coupling on Precision for Indexable Insert Grinded by Bowl Wheel

针对可转位刀片周边刃磨的五轴数控工具磨床,研究其高速旋转碗型砂轮的热力结构耦合特性,得到砂轮尺寸变化对磨削刀片的精度影响。首先考虑高速旋转的砂轮受离心力的作用导致外形尺寸的变化,并进一步研究其在不同的转速下应力刚化与旋转软化对其尺寸精度的影响。同时,采用磨削运动的三角形热源理论模型,计算相关热量与温度,并进行仿真,获得砂轮磨削40S的温度变化情况以及温度场云图。最后综合考虑砂轮受离心力、磨削热共同作用下的热-力-结构耦合情况在不同转速下的结构变形。相关的分析结果为砂轮在磨削可转位刀片过程中的刀片精度控制与补偿具有一定的参考价值。For the five-axis CNC tool grinder of grinding indexable insert around,the paper studied thermalforce-structure coupling characteristics of its high-speed rotating bowl grinding wheel,and obtained how the grinding wheel size variation affected the accuracy of the blade.Firstly,considering the effect of centrifugal force on the high-speed rotating wheel by which leads to overall dimensions change,the paper further studied stress stiffening and spin softening effect on the dimensional accuracy under different rotational speed.Meanwhile,the paper used the grinding movement triangular heat source model to calculate the heat and temperature and carried out the simulation of grinding,which obtained the grinding temperature variation and the temperature field cloud picture of 40 seconds.Finally,comprehensively considering the structural deformation under centrifugal force and grinding heat couple action in different speeds,related analysis results have a certain reference value on the blade precision control and compensation for grinding indexable insert.数控国家科技重大专项(2010ZX04001-162

浅议“出思想”的三个方面

中华民族曾为人类文明做出伟大的贡献。春秋战国时期,以老子、孔子、墨子等先哲为代表的多种学术流派自由争鸣,提出了长期影响社会发展的深刻思想。战国时期以来,中国先贤做出了诸多重大发明创造,发展了自成体系的科学知识。然而,至少近四百多年来,中国在科学技术方面滞后于世界领先水平[1]。迄今,我国许多科学家与工程师仍然以跟踪和模仿为主,鲜有自己独创的、影响力大的科学思想。中国科学院实践了"以任务带学科"的发展模式,为完成国家重

Ag厚度对其反射率的影响

采用射频磁控溅射方法在石英片上生长不同厚度Ag薄膜,测试了Ag膜反射率变化随厚度的变化关系,利用AfM和SEM分别研究Ag膜厚度对其表面粗糙度和形貌的影响。结果表明:Ag厚度在130nM以下时,随着厚度的增加,透射率急剧下降,其反射率逐渐增加;当厚度超过130nM时,透射率不再变化,由于表面rMS的增加使得散射损耗增大,使得其反射率随着厚度增加而减小

A retrospective analysis of antibiotic treatment of pneumonia caused by Acinetobacter baumannii

目的:本文回顾性分析我院鲍曼不动杆菌肺炎患者抗菌药物的使用情况及治疗结果,以期为我院鲍曼不动杆菌感染患者的抗菌治疗提供依据。方法:对我院2011年1月-2012年12月收治的鲍曼不动杆菌(ACInETObACTEr bAuMAnnII,A.b)所致肺炎患者的临床基本资料、药敏情况、抗菌药物使用情况及治疗结果进行统计和分析。结果:48例鲍曼不动杆菌肺炎患者都存在严重原发病或免疫功能低下。在48株A.b中检出多重耐药鲍曼不动杆菌(Mdr A.b)12株,A.b对亚胺培南耐药率最低(19.05%),其次依次为美罗培南(21.43%)、阿米卡星(27.90%)。使用频次列前5位的抗菌药物依次为美罗培南、阿米卡星、莫西沙星、头孢吡肟和左氧氟沙星。单一用药24例,二联用药21例,三联用药3例。治疗有效率37.5%(18/48)。结论:该院肺部感染A.b存在多重耐药现象,抗菌治疗以单一及二联用药为主,治疗有效率低,应参照药敏结果联合用药,以提高治疗有效率。Objective:To retrospectively analyze the current antibiotic therapy of Acinetobacter baumanniicaused pneumonia in patients in our hospital and to provide the basis for clinically rational use of antibiotics in pneumonic patients infected by Acinetobacter baumannii.Methods:The basic information of patients,antibiotic susceptibility,the application of antibiotics and their therapeutic effects in pneumonic patients infected by Acinetobacter baumannii in our hospital from January 2011 to December 2012 were analyzed retrospectively.Results:In 48 patients with Acinetobacter baumannii-caused pneumonia,most patients suffered from severe basic diseases or suppressed immunity.A tatol of 12 strains of multidrug-resistant Acinetobacter baumannii were detected in 48 patients.Acinetobacter baumannii had the lowest resistance rate to imipenem(19.05%),followed by meropenem(21.43%) and amikacin(27.90%).Top 5 frequently used antibiotics for treating Acinetobacter baumannii infections were meropenem,amikacin,moxifloxacin,cefepime and levofloxacin.In 48 patients with Acinetobacter baumannii-caused pneumonia,single-drug therapy was used in 24,two-drug therapy in 21,and three-drug therapy in 3.Total effective rate was 37.5 %(18/48).Conclusion:Acinetobacter baumanii has multiple drug resistance to antibiotics.Single-drug therapy and two-drug therapy have been the main therapeutic regimens,but the effective rate is low.Thus,the therapeutic effects should be improved depending on antibiotic sensitivity test and combination drug therapy