“网页设计”专题学习网站的设计开发

从专题学习网站的结构设计方面着手,进行"网页设计"专题学习网站的设计与开发,给出此专题学习网站的总体结构以及主页、基础知识部分、实例教学部分、作品展示部分、在线留言部分的设计与开发,旨在构建一个适合计算机学科计算机多媒体技术专业学生使用的、具有实用价值的专题学习网站系统,意将该网站应用于教学实践,供教师和学生使用。     

基于单片机的立体车库人机系统的设计

本文主要应用单片机技术针对简易立体车库出入库作业人机系统（立体车库的子系统）进行了详细的设计。主要包括人机系统的总体方案的设计、人机系统硬件部分和软件部分的设计,其中硬件部分主要包括读卡器模块、电源模块、语音输出模块、LCD显示模块、单片机与PLC通信模块等各模块的电路原理图;而软件部分主要介绍了单片机与PLC的通讯程序。     

试析山区高速公路桥梁设计的原则与方法

作为公路交通重要组成部分的道路桥梁在工程中的地位十分突出,有些甚至是控制性工程,应对道路桥梁的设计与施工进行探讨,以期探讨道路桥梁设计与施工的有效途径与方法,提高设计与施工的效益。     

有关化工设计中管道应力的分析

管道设计作为工厂设计中的重要组成部分也受到更多的重视,管道设计的基础即为管道应力的分析与计算,在优化管道设计与安全生产等方面发挥了重要作用。本文就是对化工设计中管道应力的分析进行探讨。     

试析室内设计与建筑设计的里应外合

建筑在设计中主要包括两个部分,分别是室内设计与建筑整体设计,只有这两个关键部分都达到创意标准,才能让建筑物的整体美观度符合人们审美上的要求。所以在对建筑进行设计时,设计人员一定要内外兼顾,从整体性和协调性两个出发点对建筑内外设计进行考虑,让建筑的审美需要和使用功能都可以得到最大限度的发挥提升建筑的整体设计水平。     

基于单片机测温系统的设计

温度测量是工业生产中的一个重要环节。设计单片机系统进行温度的测量主要由两部分组成,即硬件与软件。其中,硬件部分主要是对热电偶系统中电源模块以及采集、单片机、显示、按键、报警等模块的功能和工作原理与实现方法进行介绍,而软件部分则是对信息处理编译的思维以及将其智能化显示与实现的整个过程进行介绍。     

数控牙刷植毛机工作台设计

设计是在数控牙刷植毛机工作原理之上设计一台简单的、经济型的工作台。该工作台经伺服电机控制进行X轴、Y轴方向快速位移,其运动精度高,能提高植毛速度,可用于各种牙刷板的植毛。设计任务完全围绕数控牙刷植毛机工作原理展开,设计充分体现了数控牙刷植毛机机械设备部分与电气设备部分的紧密联系。     

船体设计中的问题点分析

船体设计是船击自设计的主要部分,决定着船舶设计的质量。文章将船体设计分解为船体结构设计、构件的直线性设计和船体材料的选择三个部分,通过对各部分设计过程中的主要问题点和注意事项进行研究分析,从而为后续船体的更好设计建立一定的参考依据。     

浅析建筑构造节能设计与太阳能利用

建筑气候设计的构造技术包括外围护结构的节能设计、被动式太阳房相关特殊构造（如特隆布墙、水蓄热屋顶等）,以及覆土种植屋顶、覆土空间维护结构、垂直绿化墙面等构造设计。这部分设计多结合施工图进行。本文主要对建筑构造节能设计与太阳能利用进行分析。     

一种新型塑料垃圾粉碎设备设计

结合我国当前经济的发展势头,针对新环境下出现的塑料垃圾回收处理难的问题,设计了一款新型的塑料垃圾粉碎装置。塑料粉碎装置由塑料垃圾粉碎部分与塑料垃圾打包部分组成。对装置的各部分进行详细介绍,结合SolidWorks三维建模软件进行设计,该装置能够实现对塑料垃圾的粉碎和回收一体化功用,具有较好的发展前景。     

Students' Reactions to the Introduction of Videoconferencing for Classroom Instruction

This study examined how students who had no prior experience with videoconferencing would react to the use of videoconferencing as an instructional medium. Students enrolled in seven different courses completed a questionnaire at the beginning of the semester and again at the end of the semester. Students at the origination and remote sites did not differ in their reactions toward videoconferencing but there was a significant difference for gender. Women reacted less favorably to videoconferencing. Compared to the beginning of the semester, students reported significantly less positive attitudes toward taking a course through videoconferencing at the end of the semester. There were no significant differences in students' attitudes toward videoconferencing across courses at the beginning of the semester but there were significant differences across the courses at the end of the semester. The results suggest the need for better preparation for both students and instructors.     

Cooler temperatures inductive to locust outbreaks

Ajoint study by Prof. ZHANG Zhibin from the CAS Institute of Zoology and his co-workers from Norway, US and Swiss have indicated that historical outbreaks of migratory locusts in China were associated with cold spells, suggesting that China＇s projected climate warming could decrease the pest＇s numbers. The study was published in Proceedings of theNational Academy of Sciences on 17 September, 2007.     

Exploring Multiplexity: Social Network Structures in a Computer-Supported Distance Learning Class

A computer-mediated group is a complex entity whose members exchange many types of information via multiple means of communication in pursuit of goals specific to their environment. Over time, they coordinate technical features of media with locally enacted use to achieve a viable working arrangement. To explore this complex interaction, a case study is presented of the social networks of interactions and media use among members of a class of computer-supported distance learners. Results show how group structures associated with project teams dominated who communicated with whom, about what, and via which media over the term, and how media came to occupy their own communication niches: Webboard for diffuse class-wide communication; Internet Relay Chat more to named others but still for general communication across the class; and e-mail primarily for intrateam communication. Face-to-face interaction, occurring only during a short on-campus session, appears to have had a catalytic effect on social and emotional exchanges. Results suggest the need to structure exchanges to balance class-wide sharing of ideas with subgroup interactions that facilitate project completion, and to provide media that support these two modes of interaction.     

The Role of Intermediating Institutions in the Diffusion of Electronic Data Interchange (EDI): How Industry Associations Intervened in Denmark, Finland, and Hong Kong

Electronic data interchange (EDI) provides means for interorganizational communication, creates network externalities, requires an advanced information technology (IT) infrastructure, and relies on standards. In the diffusion of such innovations, institutional involvement is imperative. Such institutions contain governmental agencies, national and global standardization organizations, local government, and nonprofit private organizations like industry associations. The last type of organizations we call intermediating institutions. They intermediate or coordinate ("inscribe") the activities of a group of would-be adopters. Unfortunately, little is known of how these organizations shape the EDI diffusion trajectory. In this article we examine one specific type of intermediating organizations?industry associations?and how they advanced the EDI diffusion process in the grocery sectors of Hong Kong, Denmark and Finland. We identify six institutional measures, placed into a matrix formed by the mode of involvement (influence vs. regulation) and the type of diffusion force (supply push vs. demand pull), that can be mobilized to further the EDI diffusion. Industry associations were found to be active users of all these measures to varying degrees. Their role was critical especially in knowledge building, knowledge deployment, and standard setting. Furthermore, institutional involvement varied due to policy and cultural contingencies and power dependencies.     

How Electronic Publishers are Protecting Against Piracy: Doubts About Technical Systems of Protection

The increasing prospects of digital piracy has prompted the perceived need by electronic publishers to adopt technical systems of protection, and governments to reform their copyright laws. This article is a preliminary study of the management of intellectual property by electronic publishers, defined as those involved in the production of online databases, and CD-ROMs. It focuses on three main issues: (1) how electronic publishers view the increasing threat of piracy; (2) the methods of protection employed to protect intellectual property in digital format; and (3) the importance of technological protection of intellectual property in electronic publications. The analysis is based on a sample of 23 UK electronic publishers. The interviews revealed an interesting assortment of protection methods and did not show that technological protection was a preferred way. Instead, the means of protection, in addition to copyright law, comprised niche markets, pricing, trust, bad publicity, and nontechnical and technical means.     

Rough Justice: A Statistical Assessment of ICANN's Uniform Dispute Resolution Policy

Long-standing conflict between domain name registrants and trademark holders prompted the Internet Corporation for Assigned Names and Numbers (ICANN) to create a global, mandatory arbitration procedure known as the Uniform Dispute Resolution Policy (UDRP). The UDRP has been used in 2166 cases involving 3938 domain names as of 1 November 2000. The policy gives the initiator of a complaint, generally a trademark holder, the right to choose which ICANN-accredited dispute resolution service provider (RSP) will handle the case. During the preparation of the UDRP,some feared that complainant selection would lead to "forum shopping" that might bias the results. This article performs a statistical assessment of the forum-shopping thesis and finds support for it. There are statistically significant differences in the various RSPs' propensity to take away names from defendants; there are also major differences in the number of cases brought to each RSP. RSPs who take away names have the larger share of cases. The study examines other variables that might explain differences in market share, such as price, the plaintiff's nationality, or the time taken to decide a case. It finds that nationality and time also are correlated with market share. The study concludes that shopping for a favorable outcome is an important factor in the UDRP.     

Prevalence of soft neurological signs in Chinese people

Prof. Raymond C.K. Chen, a neuropsychologist with the CAS Institute of Psychology, has made novel progress in his studies of schizophrenia. His work has been reported by a recent issue of Behavioural Neurology.     

Monoculture Rubber Plantations Have Negative Ef ects on Controlling Splash Erosion

<正>In Xishuangbanna,one of China’s most biodiverse regions,landscape has changed dramatically during the past three decades due to the conversion of tropical rainforest to rubber plantations.In steep areas,terraces are often constructed before planting rubber trees,which causes two important changes in the soil:the destabilization of soil in the bench terraces and the increased vulnerability of unvegetated riser faces to erosion.Few studies have documented the nature and intensity of erosion on bench terraces.Prof.LIU Wenjie and his colleagues from the Xishuangbanna Tropical Botanical Garden(XTBG)conducted a study in Menglun County(21°5′39″N,101°15′55″E),Xishuangbanna to evaluate the influence     

Chinese Scientists Use Earth Observation Technologies to Study and Protect Wild Camels

<正>Chinese scientists plan to apply Earth Observation technologies to protect the critically endangered wild camels(Camelus ferus).With the help of remote sensing,satellite positioning,geographical information system and wireless sensors networks,they will be able to access the distribution and population of the wild camels and protect their habitats.The project will be carried out by the International Research Center for Wild Camel Conservation,which was jointly established earlier this year by the Institute of Remote Sensing and Digital Earth(RADI)of the Chinese     

More than Skin Deep – Understand Skin Biology by Means of Dermatogenomics

<正>The Paul Gerson Unna Research Group on Dermatogenomics was founded in October 2012 at the Partner Institute for Computational Biology.The ultimate goal of the group is to understand the biology of skin and skin appendages.