In this study,data envelopment analysis is used to measure the tourism efficiency of 31 regions in China according to the panel data from the year 2000 to 2010.The conclusion shows that the efficiency of tourism indus...In this study,data envelopment analysis is used to measure the tourism efficiency of 31 regions in China according to the panel data from the year 2000 to 2010.The conclusion shows that the efficiency of tourism industry is on the rise as a whole,while the diversity of every region becomes more and more apparent.High efficiency appears in east regions like Beijing,Tianjin and Shanghai where the economy is developed,and regions like Jilin,Sichuan and Gansu in the midland and west show low efficiency.展开更多
In the search for façade solutions that meet requirements for energy efficiency and office space use comfort,it seems promising to apply a combination of photovoltaic(PV)technology with switchable glazing.It is b...In the search for façade solutions that meet requirements for energy efficiency and office space use comfort,it seems promising to apply a combination of photovoltaic(PV)technology with switchable glazing.It is believed that the merging of these two technologies might benefit the cooperation between regulated solar protection and energy efficiency.This article provides a design outlook on the use of PV-EC,PV-SPD,and PV-LCD technologies in terms of their utility for office buildings in moderate climates.This study concerns thermal,optical-visual,energetic,and technical issues,and a comparative method was applied.Based on current scientific research,the results of the analysis were juxtaposed with the requirements of the office working environment:natural lighting,thermal protection,glare protection,privacy control,energy efficiency,and technical reliability.The juxtaposition of these aspects revealed the advantages and disadvantages of a given solution from an architectural point of view.PV-EC technology in a side-by-side system was found to be the most appropriate solution and the results may be applied to make preliminary design decisions.展开更多
该文基于传统的TCP/IP和GPRS,提出一种以ARM9为核心的嵌入式图像远程控制采集系统,并且引入Windows CE 5.0嵌入式操作系统,以满足用户易操作、成本低的要求。实验结果表明,本系统具有高实时性、多任务以及良好的人机界面和快速的开发周...该文基于传统的TCP/IP和GPRS,提出一种以ARM9为核心的嵌入式图像远程控制采集系统,并且引入Windows CE 5.0嵌入式操作系统,以满足用户易操作、成本低的要求。实验结果表明,本系统具有高实时性、多任务以及良好的人机界面和快速的开发周期等特点。通过Internet和GPRS,使得系统的适用性和控制范围大大增加,可以应用于物联网和智能家居等领域,具有较强的实用价值。展开更多
采用Apache+PHP+MySQL技术设计开发了三层结构模式的视频直播网站——"武警黄金部队学术交流平台",利用Windows MediaEncoder进行学术交流现场的音视频采集,Windows Media Server进行视频发布,直播和点播的流媒体内容嵌入到H...采用Apache+PHP+MySQL技术设计开发了三层结构模式的视频直播网站——"武警黄金部队学术交流平台",利用Windows MediaEncoder进行学术交流现场的音视频采集,Windows Media Server进行视频发布,直播和点播的流媒体内容嵌入到HTML网页,用户用IE、FireFox等浏览器登录浏览视频直播网页即可实现网络视频直播和点播。展开更多
文摘In this study,data envelopment analysis is used to measure the tourism efficiency of 31 regions in China according to the panel data from the year 2000 to 2010.The conclusion shows that the efficiency of tourism industry is on the rise as a whole,while the diversity of every region becomes more and more apparent.High efficiency appears in east regions like Beijing,Tianjin and Shanghai where the economy is developed,and regions like Jilin,Sichuan and Gansu in the midland and west show low efficiency.
文摘In the search for façade solutions that meet requirements for energy efficiency and office space use comfort,it seems promising to apply a combination of photovoltaic(PV)technology with switchable glazing.It is believed that the merging of these two technologies might benefit the cooperation between regulated solar protection and energy efficiency.This article provides a design outlook on the use of PV-EC,PV-SPD,and PV-LCD technologies in terms of their utility for office buildings in moderate climates.This study concerns thermal,optical-visual,energetic,and technical issues,and a comparative method was applied.Based on current scientific research,the results of the analysis were juxtaposed with the requirements of the office working environment:natural lighting,thermal protection,glare protection,privacy control,energy efficiency,and technical reliability.The juxtaposition of these aspects revealed the advantages and disadvantages of a given solution from an architectural point of view.PV-EC technology in a side-by-side system was found to be the most appropriate solution and the results may be applied to make preliminary design decisions.
文摘该文基于传统的TCP/IP和GPRS,提出一种以ARM9为核心的嵌入式图像远程控制采集系统,并且引入Windows CE 5.0嵌入式操作系统,以满足用户易操作、成本低的要求。实验结果表明,本系统具有高实时性、多任务以及良好的人机界面和快速的开发周期等特点。通过Internet和GPRS,使得系统的适用性和控制范围大大增加,可以应用于物联网和智能家居等领域,具有较强的实用价值。
文摘采用Apache+PHP+MySQL技术设计开发了三层结构模式的视频直播网站——"武警黄金部队学术交流平台",利用Windows MediaEncoder进行学术交流现场的音视频采集,Windows Media Server进行视频发布,直播和点播的流媒体内容嵌入到HTML网页,用户用IE、FireFox等浏览器登录浏览视频直播网页即可实现网络视频直播和点播。