The Impact of More,Better, Faster,Cheaper: How the PCC Influenced Everything That Followed     

Carol G. Hixson 《Cataloging & classification quarterly》2020,58(3-4):294-302

Abstract

The beginnings and the early years of the Program for Cooperative Cataloging (PCC) had a profound impact on the approach taken to cataloging in North America and around the world. The commitment to standards, cooperation, and expanded access also had an impact that went far beyond cataloging operations. One library dean traces the evolution of her vision and contemplates how the PCC’s principles have shaped her entire career and have affected the libraries in which she has worked.  相似文献   

多元自主模块教学模式在高校公共体育课堂的应用研究     

谭佳智  张春志 《当代体育科技》2020,(12):196-197

以体育课堂作为德、智、体、美、劳人才的全面培养的核心因素为点,从高校公共体育课堂出发,运用文献资料研究法、专家访谈法及实地考察法等研究方法,从多元化的教学角度、模块化的教学构成为研究主体,探寻多元化自主模块教学模式在高校公共体育课堂的可行性及可持续性,为新时代下高效的课堂教学模式及教学理念发展提供助力。  相似文献   

河北省休闲体育公共服务提升路径研究     

常丽超  肖欢欢  王玉扩  康健  权超颖  李伟光  杨建伟  孙昌亮 《当代体育科技》2020,(12):201-201,205

随着我国经济的快速发展,人民生活水平的提高,越来越多的人意识到了健身的重要性。在此背景下,我国休闲体育得到了快速发展,并推动了现代城市管理与社会体育的不断完善。本文通过对河北省休闲体育公共服务提升路径的研究,去探索和了解河北省休闲体育公共服务的现状以及所存在的问题,找出制约本省休闲体育公共服务的因素所在,并提出适合本省实际的休闲体育公共服务的提升路径,从而为更好地发展本省休闲体育奠定理论基础,为全面建成小康社会提供参考。  相似文献   

离岸集装箱码头新装卸工艺模式下陆域集疏运堆场堆存空间分配     

杨晓斌  余思勤  沈一帆 《上海海事大学学报》2020,41(4):8-14

离岸集装箱码头因其岛屿面积限制，难以通过扩建码头内部堆场增加吞吐能力。为解决这个问题，提出一种离岸集装箱码头新装卸工艺模式。新装卸工艺模式是通过在离岸集装箱码头附近的陆域地带建设陆域集疏运堆场,与离岸集装箱码头进行协同装卸作业的模式。陆域集疏运堆场堆存空间分配的目标是满足离岸集装箱码头装卸作业预翻倒要求;单批次输送集装箱的量受到陆岛运输最大通行能力限制。根据上述目标与特点，构建新装卸工艺模式下陆域集疏运堆场堆存空间分配模型，并设计蒙特卡洛树搜索算法进行求解。通过算例分析验证模型的有效性。结果表明该方法能够满足陆域集疏运堆场堆存空间分配需求并提高离岸集装箱码头的吞吐能力。  相似文献   

我国大学生高水平排球队空间分布特征及影响因素研究*     

马茂森    李毅钧  张〓兵  杨玲 《广州体育学院学报》2020,(5):78-84

利用核密度分析、巴雷托截取法和多元回归分析等方法，对我国大学生高水平排球队空间分布特征和影响因素进行分析。主要结论有：大学生高水平排球队的数量呈波动上升趋势；在规模结构上，大学生高水平排球队数量规模的省际分布呈现倒“金字塔”结构，而配比规模的省际分布呈现“金字塔”结构，且极不平衡；在空间格局上，具有显著的区域差异，表现出东部区域较多；在集聚特征上，大学生高水平排球队主要分布在直辖市和省会城市，主要集聚在京津翼地区和长江流域，其他地区比较分散；在空间竞技实力上，具有显著的区域不平衡性，呈现“南弱北强”的特征；影响大学生高水平排球队空间分布的主要因素有高校招生条件、本科院校数量、经济发展实力和体育发展水平。  相似文献   

The work of the audience: visual matrix methodology in museums     

Lynn Froggett  Lizzie Muller  Jill Bennett 《Cultural Trends》2019,28(2-3):162-176

ABSTRACT

Visual matrix methodology has been designed for researching cultural imaginaries. It is an image-led, group-based method that creates a “third space” research setting to observe audience groups re-enacting lived experience of an event or process that takes place in the third space of a cultural setting. In this article, the method is described through its use in relation to an art-science exhibition, Human+ Future of the species, where three audience groups with investments in technology worked with exhibition material to achieve a complex ambivalent state of mind regarding technological futures. The visual matrix has been designed to capture the affective and aesthetic quality of audience engagement in third space by showing what audiences do with what is presented to them. We argue that such methodologies are useful for museums as they grapple with their role as sites where citizens not only engage in dialogue with one another but actively re-work their imaginaries of the future.  相似文献   

Machine learning based system for managing energy efficiency of public sector as an approach towards smart cities     

《International Journal of Information Management》2021

Energy efficiency of public sector is an important issue in the context of smart cities due to the fact that buildings are the largest energy consumers, especially public buildings such as educational, health, government and other public institutions that have a large usage frequency. However, recent developments of machine learning within Big Data environment have not been exploited enough in this domain. This paper aims to answer the question of how to incorporate Big Data platform and machine learning into an intelligent system for managing energy efficiency of public sector as a substantial part of the smart city concept. Deep neural networks, Rpart regression tree and Random forest with variable reduction procedures were used to create prediction models of specific energy consumption of Croatian public sector buildings. The most accurate model was produced by Random forest method, and a comparison of important predictors extracted by all three methods has been conducted. The models could be implemented in the suggested intelligent system named MERIDA which integrates Big Data collection and predictive models of energy consumption for each energy source in public buildings, and enables their synergy into a managing platform for improving energy efficiency of the public sector within Big Data environment. The paper also discusses technological requirements for developing such a platform that could be used by public administration to plan reconstruction measures of public buildings, to reduce energy consumption and cost, as well as to connect such smart public buildings as part of smart cities. Such digital transformation of energy management can increase energy efficiency of public administration, its higher quality of service and healthier environment.  相似文献   

HP³中共形极小曲面的几何     

高紫娟  焦晓祥 《中国科学院大学学报》2019,36(3):299-310

通过扭映射π：CP⁷→HP³构造出HP³中曲率为4/7，4/19，4/27的6个共形极小二维球面的例子.由于扭映射π：CP²ⁿ⁺¹→HPⁿ给出了CP²ⁿ⁺¹的水平极小曲面与HPⁿ中极小曲面的一个自然等同，利用Bolton等得出的在CPⁿ中常曲率共形极小二维球面的结论，根据CHEN Xiaodong和JIAO Xiaoxiang给出的HPⁿ中常曲率共形极小二维球面的一般方法，构造出HPⁿ中的共形极小曲面的例子.  相似文献   

消费时代澳门半岛滨水空间形态重塑     

李沁茹  吴尧 《中国名城》2020,(5):26-32

随着消费社会的深化发展,现代消费已成为影响城市空间形态演化的重要因素。以此为出发点,以消费文化的视角来考察城市空间,揭示20世纪80年代以来澳门半岛滨水空间形态的演化特征。研究表明:消费时代,城市主要根据经济诉求组织空间的生产,借助资本的熔铸,澳门半岛滨水空间建设呈现出博彩旅游化、高层豪宅化和空间巨构化等特征,并最终实现空间形态的重塑。在此基础上进行批判性反思,如城市消费空间与传统城市意象的协调发展、城市空间的阶级化和滨水空间的公共性等问题。  相似文献   

我国冰雪文化消费空间的构建及其发展路径     

司亮  萧林静  陈淼  程文广 《沈阳体育学院学报》2020,(1):94-100,109

国务院印发《完善促进消费体制机制实施方案(2018-2020年)》文件中指出"积极培育‘冰雪运动’体育消费新业态"。在此背景下,立足于消费空间视角,以冰雪文化成为空间消费品为切入点,针对我国冰雪文化消费不足的问题,提出了冰雪文化消费空间的概念。研究发现,冰雪文化消费空间不仅具有经济、社会、文化的内涵特征,而且其体验化、商业化、休闲化、娱乐化的典型特征与文化艺术化、信息网络化、全球国际化的非消费要素相互共存,在空间消费活动中逐渐构建成宏观、中观、微观层面的空间体系。最终,在空间生产语境中,基于"生产-消费"的逻辑,提出了将冰雪文化消费空间正式纳入"生产-分配-交换-消费"的过程追求再生产的发展路径。  相似文献