广州市儿童公园中植物科普教育类活动项目研究

通过研究广州市13个儿童公园中植物科普教育类活动项目的类型、管理形式、使用状况和使用评价,并结合广州家长及儿童对植物科普教育活动项目的偏好与需求调研结果分析,探讨该类型活动的组织模式和开展方式,总结成功的经验及存在的问题,提出丰富植物资源、规划科普场地、增加活动项目、完善公园管理、培训科普人员等完善建议。     

湛江儿童公园景观设计

方案设计将以"儿童"为设计的主旨,配备与时俱进的功能和设施,丰富多彩的游乐场地,从本土特色海洋文化和传统中寻找设计灵感和元素,使得设计中更富有地域特色,帮助儿童认识和热爱家乡,从而打造极富特色并能够培养和锻炼孩子各方面能力,极具启发性、互动性、娱乐性的寓学于乐的儿童公园。     

Sex,age, or genetic differences related to play behaviors in Japanese Black calves

Play behavior in young animals has been used to evaluate the condition (health) of livestock. We investigated age, sex, and genetic differences of Japanese Black calves in relation to frequency of play behaviors (galloping, leaping, turning, bucking, head butting objects, and head shaking) and examined how these relationships might affect growth during the suckling stage. Locomotor play behaviors (galloping, leaping, turning, and bucking) and head butting objects gradually declined with the age for both sexes. The frequency of head butting was significantly higher in males than females. We found that significant interaction effects (age × MAOA polymorphism) in play behaviors (except head shaking) and the frequencies of locomotor play in calves without the wild‐type allele were significantly higher than those in younger calves (2 and 6 weeks of age). Weight gain was significantly correlated with the frequency of locomotor play in females, but not in males. This study suggests that play in Japanese Black calves gradually declines as they mature and that play may be controlled by variations in the MAOA gene. In addition, the frequency of locomotor play may be an indicator of health in female calves.     

基于三网融合下的农民远程培训平台的构建与实现

随着科技的不断进步,现代农业信息化服务方式由单一化逐渐向多元化方向发展。本文基于三网融合形势下,构建农民远程培训平台,通过科教视频、手机推送、远程培训、视频咨询诊断等方式,向农民提供灵活多样的农技服务。     

浅谈广州儿童公园场地设计中的地形利用

在儿童公园的场地设计中,地形地貌的特点与场地的尺度大小、形态构成、活动空间安排等均关系密切。根据儿童公园以游戏空间为主导的特点,提出场地设计中地形利用应遵循因地制宜、突出特色及合理改造的原则。选取广州儿童公园场地设计中的地形利用佳例,重点分析儿童公园的入口空间、典型游戏空间、挡墙处理、地形利用等,探讨结合场地特点营造丰富有趣、特点鲜明的空间的途径。     

基于Visual C++6.0的声音文件处理技术

对WAVE声音文件的格式进行了分析,对在Visual C 6．0下进行声音文件处理的技术进行了深入的探讨,并给出了部分示例代码。     

Is coppice a potential for urban forestry? The social perspective

After years of decline and neglect, low woodland types based on coppice management experience renewed interest. Substantial research has demonstrated the potentials of coppice for biomass production and for nature conservation, and coppices are increasingly being suggested for urban situations. Yet, our understanding of the more social aspects of coppice woodlands in modern urban situations is limited. Against this background, this contribution classifies coppice management systems as a basis for identification of social aspects of coppices and their potential use in contemporary urban forestry. Based on this classification, the social perspectives and potential niches for urban coppices are discussed, while lines of research are suggested which will support the development of a thorough and up-to-date knowledge base, against which the social merits of urban coppice woodlands can be critically evaluated.     

Behavioral indexes of piglet welfare: Comparison of indoor and outdoor housing systems

The purpose of this experiment was to establish behavioral indexes of piglet welfare. Forty‐eight piglets were allocated to either four indoor pens or four outdoor pens (six piglets per pen). The indoor system was a commercial pen that consisted of a concrete floor and a slat floor. The outdoor system had a dirt paddock with a wooden hutch. Growth performance, salivary cortisol levels, skin lesions and behaviors of the piglets were monitored for 4 weeks. Sixteen types of behaviors were recorded by using 2‐min instantaneous scan sampling for 8 h/day. Growth performance and salivary cortisol levels did not significantly differ between the two housing systems. On the other hand, skin lesions and behaviors were significantly affected by the housing system. The number of skin lesions was higher in the indoor system. In addition, piglets in the outdoor system showed more investigative and social‐play behaviors than those in the indoor system. Piglets in the indoor system showed more resting, drinking, moving, fighting, and conflict behaviors than those in the outdoor system. We conclude that investigative, social‐play and conflict behaviors may be effective indexes of the welfare level of piglets, especially investigative and conflict behaviors.     

论企业集群竞争优势的发挥

本文对企业集群的内涵和相关理论做了简要说明，分析了企业集群的竞争优势，从企业和政府两个角度，提出发挥集群竞争优势的思路。     

冯梦龙论戏曲情节

冯梦龙的戏曲情节理论非常丰富，他围绕着“传奇最忌支离”这一中心点展开自己的理论探索。他认为，戏曲应有一个中心人物和事件（或称主要人物和事件），注意设计关目，密切关目之间的联系，这些理论的提出实为李渔“结构第一”、“密针线”论的先声和理论积累，对戏曲的创作和演出都有实际的指导意义，只是缺乏理性疏理，没有形成体系，因而限制了它的影响面。