基于扎根理论的上市公司竞争力影响因素研究     

毛一雷  刘志辉 《图书情报工作》2018,62(20):95-101

[目的/意义]"竞争力影响因素"作为竞争情报研究中的核心情报问题,成为众多学者的关注点。针对现有上市公司竞争力研究中分析对象多以年报中财务信息为主,忽略非财务信息的现象,尝试对年报披露的全部内容进行探索性分析,以期为竞争情报研究和实践提供理论指导。[方法/过程]以上市公司为例,运用扎根理论对36个样本的上市公司年报进行深度分析,通过开放式编码、主轴编码和选择性编码等过程提炼出与上市公司竞争力有关的概念和范畴。[结果/结论]建立以生产活动、外部环境、技术创新、要素管理、公司治理和核心竞争力认知为核心的上市公司竞争力影响因素PETEGP模型,各个因素与竞争力存在着时间效应,外部环境、技术创新、要素管理、公司治理和核心竞争力认知通过与生产活动的相互作用,共同影响上市公司竞争力。  相似文献   

The Use of Augmented Reality Technology in Medical Specimen Museum Tours     

Atsushi Sugiura  Toshihiro Kitama  Masahiro Toyoura  Xiaoyang Mao 《Anatomical sciences education》2019,12(5):561-571

Human anatomical specimen museums are commonly used by medical, nursing, and paramedical students. Through dissection and prosection, the specimens housed in these museums allow students to appreciate the complex relationships of organs and structures in more detail than textbooks could provide. However, it may be difficult for students, particularly novices, to identify the various parts of these anatomical structures without additional explanations from a docent or supplemental illustrations. Recently, augmented reality (AR) has been used in many museum exhibits to display virtual objects in videos captured from the real world. This technology can significantly enhance the learning experience. In this study, three AR-based support systems for tours in medical specimen museums were developed, and their usability and effectiveness for learning were examined. The first system was constructed using an AR marker. This system could display virtual label information for specimens by capturing AR markers using a tablet camera. Individual AR markers were required for all specimens, but their presence in and on the prosected specimens could also be obtrusive. The second system was developed to set the specimen image itself as an image marker, as most specimens were displayed in cross section. Visitors could then obtain the label information presented by AR without any markers intruding on the display or anatomical specimens. The third system was comprised of a head-mounted display combined with a natural click interface. The system could provide visitors with an environment for the natural manipulation of virtual objects with future scalability.  相似文献   

“自媒体”时代高校青年网络行为与引导策略研究     

毛欣 《佳木斯教育学院学报》2014,(12):178-179

随着互联网技术的发展,微博、掘客等自媒体的使用,改变了媒体的传播格局。"自媒体"时代的来临,使青年学子被其信息形态的多元化、发布平台个性化等特点吸引,成为"自媒体"的最多使用群体,如何将"自媒体"为我所用,提高思政教育的实效性,成为了思政教育者需要面对的问题,本文就是在此现实基础上,进行了问卷调查分析了高校青年网络行为,并提出了引导策略。  相似文献   

智慧城市信息安全风险评估模型构建与实证研究   总被引：1，自引：0，他引：1  

邹凯  向尚  张中青扬  毛太田 《图书情报工作》2016,60(7):19-24

[目的/意义] 面对智慧城市日益突出的信息安全问题,提出一个科学的风险评估模型,以快速对智慧城市进行风险分类并分析风险因素。[方法/过程] 从智慧城市信息安全的5个层次和风险评估的4个主要因素出发,构建智慧城市信息安全风险指标框架,对智慧城市实例进行ward系统聚类形成分类属性,选择C4.5算法的决策树方法建立风险评估模型,并验证模型的科学性。[结果/结论] 结果发现:安全管理制度、数据泄露与损坏威胁、安全意识薄弱性和设备安全漏洞是智慧城市之间差距最显著的风险因素,根据评估结果提出保障智慧城市信息安全的建议。  相似文献   

试论创新背景下的创业型大学建设   总被引：9，自引：0，他引：9  

冒澄 《教育发展研究》2007,(21):51-54

随着创新型国家概念的提出,大学对提升国家竞争力的特殊意义正日益凸显,同时社会也对研究型大学本身提出了更高要求:不仅应创造出满足战略需求、具有重大意义的创新科技成果,而且应将成果积极转化为现实生产力,推动国家和地区经济的发展.创业型大学作为研究型大学变革的趋势,需要在包括跨学科组织、技术转移机制、混成组织建设和人才培养等方面做出新的努力,从而给予国家和企业更大的支持力度.  相似文献   

中国高校发展的应然与实然定位探析   总被引：1，自引：0，他引：1  

毛勇 《教育学术月刊》2006,(3):23-25

创办一流大学是许多高校孜孜以求的目标.办学者要有明确的办学理念,要形成自己的办学特色,应面向社会找准自己的生存空间.在现实中,中国有些高校在发展定位过程中存在着目标不明确、定位不准等情况,尽管涉及诸如高等教育资源如何分配等社会和学校自身两方面的原因,但问题的实质是理想与现实的矛盾、应然与实然的矛盾.  相似文献   

浅谈饭店客房特色服务的经营     

毛丽君 《金华职业技术学院学报》2002,2(2):86-88

饭店业的竞争越来越激烈，发展客房特色经营是走创新之路的必然趋势。本文根据饭店客房经营表现出的各种特征，探讨了饭店客房特色经营的基本方向与设计的基本原则，为饭店改善经营管理并在市场竞争中站稳脚跟提供理论指导。  相似文献   

Study on pig growth hormone gene polymorphisms in western meat-type breeds and Chinese local breeds     

宋成义  高波  经荣斌  陶勇  毛九德 《浙江大学学报(A卷英文版)》2003,4(6):734-739

Chinese Meishan and Jiangquhai pigs are two of the most prolific pigs in the world, but their growth rate is lower than that of Duroc, Landrace and Pietrain pigs. It is suggested that growth rate is regulated by growth hormone. The objective of the current study was to analyze the porcine growth hormone (pGH) gene polymorphisms based on the polymerase chain reaction restriction fragment-length polymorphism method (PCR-RFLP) for three western meat-type breeds (Duroc, Landrace and Pietrain) and two local Chinese pigs (Meishan and Jiangquhai). Five polymorphic restriction sites were detected with the ApaI, MspI, BspI and HhaI restriction enzymes in two amplified fragments (605 bp, -119 to +486; 506 bp, +206 to +711). Breed difference was found only in the 506 bp fragment. There was no difference in allelic frequencies of BspI and HhaI restriction sites among the five breeds (P>0.05). Landrace and Meishan pigs lacked allele G3 of MspI site. The allele G3 frequency of restriction MspI site of the 506 bp fragment in Pietrain pigs was higher than that in Duroc and Jianquhai pigs (P<0.001). For ApaI site, the Meishan pigs lacked allele G1; no difference was found in allelic frequencies among Pietrain, Duroc, Landrace and Jiangquhai pigs (P>0.05). This new and rapid PCR-RFLP typing method is an attractive tool for analysis of porcine growth hormone gene restriction sites. The differences in MspI and ApaI restriction sites may explain the growth difference between the foreign meat-type breeds above mentioned and local Chinese pigs.  相似文献   

基于核密度估计多样性采集的背景建模算法     

毛燕芬  施鹏飞 《上海大学学报(英文版)》2005,9(6):506-509

1IntroductionBackground subtraction methods are extensively ex-ploited for moving object detection in videos in manyapplications ,such as traffic monitoring[1],human mo-tion capture[2]and video surveillance[3]. The centralidea behind such methods is to segment foreground ini mage sequences taken from a fixed camera by com-paring each newframe to a model of the scene back-ground . Therefore , correctly and efficiently modelingand updating the background model is one of the mostchallenging aspec…  相似文献   

例析高中物理中的典型数学方法的运用     

冒小兵 《物理教学探讨》2007,25(22)

应用数学知识处理物理问题的能力,是高考要求学生必须具备并重点考查的五种基本能力之一。对此《考试大纲》中有明确的阐述,要求  相似文献