首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   445篇
  免费   8篇
  2024年   3篇
  2023年   7篇
  2022年   7篇
  2021年   14篇
  2020年   16篇
  2019年   5篇
  2018年   13篇
  2017年   16篇
  2016年   9篇
  2015年   15篇
  2014年   9篇
  2013年   26篇
  2012年   16篇
  2011年   39篇
  2010年   34篇
  2009年   32篇
  2008年   25篇
  2007年   35篇
  2006年   20篇
  2005年   25篇
  2004年   12篇
  2003年   13篇
  2002年   18篇
  2001年   12篇
  2000年   10篇
  1999年   7篇
  1998年   6篇
  1997年   3篇
  1996年   1篇
  1995年   1篇
  1994年   1篇
  1991年   2篇
  1990年   1篇
排序方式: 共有453条查询结果,搜索用时 0 毫秒
71.
我国会展专业的课程设置与人才培养   总被引:25,自引:4,他引:25  
马勇  肖轶楠 《旅游科学》2005,19(1):75-78
本文以新世纪中国会展业发展为背景,对目前我国会展教育发展的特点及存在的问题加以解析,从会展业发展对人才需求的素质要求入手,提出了我国会展专业课程设置的一项原则、两种能力、三大层面、四个定位以及五个模块,旨在为我国会展专业设置与人才培养提供有益借鉴。  相似文献   
72.
Emergency centers, communication systems, and hospitals are essential infrastructures for emergency rescue and subsequent reconstruction activities. An investigation into the Nepal 2015 earthquake sequences found that the visited government offices were functioning normally 40 days after the main shock; that the local media failed to coordinate with the entire society at the beginning, but mobile phone-based communication recovered quickly; and that the hospitals in high-intensity areas were badly damaged as a result of improper design and adverse site configuration. Recommendations are proposed to enhance the aseismic capacity of structural and non-structural components using earthquake early warning and base isolation.  相似文献   
73.
The aim of this paper is to apply kernel density estimates (KDEs) to the visualization and interpretation of lead isotope data from bronze assemblages found along the northern border of central China, here designated as the Arc. New lead isotope analyses of 30 leaded tin–bronze artefacts from the Wangdahu cemetery (c.500–300 bc ) in the Ningxia Hui Autonomous Region, north‐west China, provide the basis for the discussion. By using multivariate KDEs and the calculated likelihood of the overlap, the present work shows that the Wangdahu objects feature a unique linear array of isotope ratios, representing an important element of overall bronzes from the Arc in the first millennium bc . This characteristic isotope signature is fundamentally different from that of Dajing ores in north‐east China, as well from that of early Qin bronzes in Shaanxi and Gansu provinces. This suggests that a variety of metal resources were utilized by peoples living in the Arc. The KDE approach thus proves effective at presenting and comparing lead isotope data.  相似文献   
74.
南京博物院院藏的一件汉代铜座漆耳杯,风格与蜀汉产品极其相近,由此可见当时各地的文化交流和商品流通之一斑。  相似文献   
75.
浙江安吉上马山墓地曾出土一面小铜鼓,为国内首见。经比较可知,该小铜鼓属东山文化器物,由越南北部输入。随葬小铜鼓的M10约为西汉中期墓,墓主生前可能到过越南北部的交趾郡和九真郡一带,在当地获得小铜鼓并带回家乡。这一发现与百越内部的文化传播和文化交流无关,反映的是汉帝国大一统历史背景下岭南地区与内地间的密切联系及相关的人员往来情况。  相似文献   
76.
<正>Three years ago,I was supposed to join a charity organization in Yushu,Qinghai,as a teacher.I had to drop that idea due to a few issues I had,but I never stop thinking about them.I feel sorry for not being there as I promised I would,I continually hope that I can do something for them.That is why I started an interview with Xu Guilan,  相似文献   
77.
自西周起,中国形成了藩属体制和海外朝贡贸易关系,为监管中原地区内部及与各藩部、蕃属国间的经济交往,各朝代产生了关津、榷场、市舶等多种组织。它们虽在类型上划为内地之关、藩部之关和蕃国之关,在空间上形成圈层布局结构,但其监管跨区域或对外经济交往的行为本质均与现代海关相通。16世纪,欧洲诸国率先撤除国内税关,建立统一国境海关。近代中国被动纳入以西方为中心的国际秩序以后,在沿海、沿边、沿江等地不断创设洋人代管的国境新关,国内固有常关也逐渐被改造。1931年,中国陆、海相统一的国境海关体制最终确立,标志着延续了两千余年的传统税关体系彻底瓦解。  相似文献   
78.
Geographical and Temporal Weighted Regression (GTWR)   总被引:3,自引:0,他引:3       下载免费PDF全文
Both space and time are fundamental in human activities as well as in various physical processes. Spatiotemporal analysis and modeling has long been a major concern of geographical information science (GIScience), environmental science, hydrology, epidemiology, and other research areas. Although the importance of incorporating the temporal dimension into spatial analysis and modeling has been well recognized, challenges still exist given the complexity of spatiotemporal models. Of particular interest in this article is the spatiotemporal modeling of local nonstationary processes. Specifically, an extension of geographically weighted regression (GWR), geographical and temporal weighted regression (GTWR), is developed in order to account for local effects in both space and time. An efficient model calibration approach is proposed for this statistical technique. Using a 19‐year set of house price data in London from 1980 to 1998, empirical results from the application of GTWR to hedonic house price modeling demonstrate the effectiveness of the proposed method and its superiority to the traditional GWR approach, highlighting the importance of temporally explicit spatial modeling.  相似文献   
79.
张咏 《收藏家》2010,(5):11-12
1949年台海两岸分隔之后,诸多原先为我中华文化瑰宝之重要文物一分为二,分藏于大陆与台湾两地。就艺术门类而言,古代法书名帖则有"三希堂"之《中秋》《伯远》两帖藏于北京故宫,《快雪时晴帖》藏于台北故宫;绘画方面,则元代画家黄公望之《富春山居图》亦化身两半,  相似文献   
80.
罗勇 《丝绸之路》2010,(12):61-63
在古代文学评论界对小说漠视的情况下,毛宗岗以李卓吾评本为基础,对罗贯中的《三国演义》进行了大量的修改、增删,并详加评点,其评点反映了毛宗岗对历史小说的认识,即在结构组织上注重连贯,在事件叙述上不排斥虚构,在人物塑造上倾向于奇绝。  相似文献   
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号