The Vision Conference: Facilitating Creative Processes

This paper presents the principles behind the design and management of the Vision Conference: a one-day workshop in which a large group of participants meet to create ideas, projects, and visions for the future activities of a local community or an organization. A case study from a local community in Denmark is also presented to illustrate the organization, planning, and management of a Vision Conference. The paper focuses on the three central social processes of the conference: group work, problem solving, and facilitation. The paper ends with a discussion of creativity and creativity techniques suitable for Vision Conferences.     

上海青少年女性消费者研究及服装品牌企划

通过AIOV分析法对上海青少年女性消费者的研究,得到了该市场消费群的总体特征。根据对此目标市场的分析,制定了服装品牌“Cacao”的企划案。这里明确提出了一种应对服饰消费感性化需求创设个性化品牌的预测提案型策略。     

课程体系优化的系统观及系统方法

提出了一个课程体系优化的系统结构模式 ,从外部环境与内部结构的相互作用上区分了课程体系改革及优化必须考虑的因素 ;给出了一个课程体系优化的系统工程程序 ,将课程体系的改革及优化划分为 5个基本环节 ,重点论述了如何从“课程体系→课程群→主干课程”实现递阶控制及 3级优化的思路 ;最后 ,给出了课程体系优化的指标体系及评价模型 ,以此完成高师地理学专业课程体系优化设计 .     

Supergene mobility of noble metal elements in black rock series

In order to discuss the supergene mobility of noble metal elements in black rock series, measurements have been conducted with ICP-MS method for the contents of Ru, Rh, Pd, Ir, Pt, Au and Ag in the primary jordisite-rich black shale ore, in the supergene leached jordisite-rich black shale ore, in the pyrite-rich black shale ore and in the water of pit, well and stream of the mining area near Zhongnan Village, Zunyi District of Guizhou Province. The temperature, pH, electric conductivity, dissolved oxygen of the water were also measured. The pit water is acidic with high electrical conductivity and low dissolved oxygen. The total content of platinum group elements in the primary pyrite-rich black shale ore is only 1/13 of that in the primary jordisite-rich black shale ore. The Ag content in the former is only a half of that in the latter while the Au contents in the two kinds of ores are almost the same. Being leached under supergene condition, the contents of most of the noble metal elements except Au in the jordisite-rich black shale ore greatly decrease; the leaching rates of Rh, Pd, Pt, the total platinum group elements and Ag reach as high as 66.72%～74.79%, revealing that under supergene condition, platinum group elements and Ag can migrate along with water; the ratios of Ag/Au, Pd/Ru, Pt/Ir and(Pt+Pd)/(Ru+Rh+Ir) are remarkably decreased, displaying that Pt and Pd relative to Ru, Rh and Ir, Ag relative to Au bear more active mobility. The noble metal elements in the black rock series near Zhongnan Village might be mobilized and migrate under the procession of "cold water" rich in [SO4]2- with pH value being about 2.4 at a temperature below 50 ℃.     

关于积分中值定理"中间点"的渐近性

给出了并证明了减弱条件的积分中值定理"中间点"的渐近性.     

无线局域网中的“无缝”切换

分析了无线局域网 (WLAN)中“无缝”切换的特点。在此基础上 ,着重讨论了采用“镜像”法实现切换的具体过程 ,并对WLAN中的切换和传统移动IP中的漫游技术进行了比较     

分布式多点控制单元的模型与实现

针对集中式多点控制单元(MCU)存在的负载集中、扩展性差、规模受限和故障容错能力差等问题,提出了一种基于软件的分布式MCU模型,它采用组播和单播相结合的数据传输策略,支持跨网段的数据传输。同时,还分析了分布式MCU的群组交互能力和故障恢复机制。测试及实际应用表明：与集中式MCU相比,分布式MCU不仅可以有效地扩大群组交互的规模,而且在故障容忍及恢复方面也有明显改进。目前该模型已在多媒体同步实时授课系统Smart-RealClass中得到应用。     

基于实数连续性定理等价的新探讨

实数集关于极限的运算是封闭的 ,这就是实数的连续性 ;实数的连续性理论是构筑极限理论的重要基础 ;实数连续性定理虽然数学表现形式不同 ,但它们都描述了实数的连续性 ,它们彼此是等价的 ,即任意一个定理都是其它定理成立的充要条件 ,另辟蹊径对其等价性进行了新的探讨。     

Burger''s方程的若干AGE方法

以求解Ｂｕｒｇｅｒ‘ｓ方程的中心差分格式,显示逆风格式,Ｓａｍａｒｓｋｉｉ格式及修正Ｄｅｎｎｉｓ格式为基础,构造了若干新的ＡＧＥ方法,讨论了方法的线性化稳定性数值结果表明,对于求解Ｂｕｒｇｅｒ’ｓ方程大Ｒｅｙｎｏｌｄ数问题,除了Ｃ－ＡＧＥ方法外,文中所构造的其他ＡＧＥ方法明显优于Ｅｖａｎｓ的分组显式方法。     

平面束的应用及其注记

将空间点到直线的距离和2条异面直线间的距离转化为点到过直线的平面束距离的最大值,给出了计算公式,并讨论了应用平面束方程的一点注记。