Monetary donations to an open source software platform

Online open source software platforms, such as Sourceforge.net, play a vital role in creating an ecosystem that enables the creation and growth of open source projects. However, there is little research exploring the interactions between open source stakeholders and the platform. We believe that the sustainability of the platform crucially depends on financial incentives. While platforms can obtain these incentives through multiple means, in this paper we focus on one form of financial incentives—voluntary monetary donations by open source community members. We report findings from two empirical studies that examine factors that impact donations. Study 1 investigates the factors that cause some community members to donate and not others. We find that the decision to donate is impacted by relational commitment with open source software platform, donation to projects and accepting donations from others. Study 2 examines what drives the level of donation. We find that the length of association with the platform and relational commitment affects donation levels.     

关于电子仪器的维护

本文由五个部分组成 :技术资料的妥善保管 ,电子仪器的妥善保管 ,电子仪器的正确使用 ,电子仪器附件的合理配套 ,电子仪器的定期检测和周期检定。以具体的管理方法、使用注意事项等方式 ,阐述了在大、中专院校实验室里 (面向学生 ) ,对电子仪器实行妥善维护具有一定的现实意义     

数据仓库中集成器端的两版本不加锁算法的研究

在目前的数据仓库中为保证数据的一致性通常采用不加锁算法,而当前所使用最普遍的算法又存在着用户和维护事务不能在同一时间工作的弊端,本文就此问题提出了两版本不加锁算法。它是一个典型的多版本并行控制算法,特别适合在一个数据仓库环境中进行视图维护。本算法能够很好地解决用户会话和维护事务不同步的问题,能使用户24小时使用数据仓库并减少系统开销。     

豪也F-15A语言练习系统的管理与维护对策

语音室是外语教学的基础设施,是学生学习语言的理想环境.豪也 F-15A 型语言学习系统是基于以太网扩充技术开发,为专业听、说、读、写开发的新型语言学习系统.如何对其进行科学的管理与维护,使其充分发挥其功效是实验管理的重要环节.本文将从管理与维护中出现的问题进行探讨,并提出有效的解决对策.     

Using Rhetorical/Relational Goal Theory to Examine College Students’ Impressions of Their Instructors

Guided by rhetorical/relational goal theory, the purpose of this study was to examine whether students’ impressions of their instructors’ credibility, attraction, and homophily are influenced by four specific rhetorical and relational communication behaviors that instructors use when communicating with their students in the classroom. Participants were 193 undergraduate students enrolled in a variety of introductory communication courses at a large mid-Atlantic university. Using a series of multiple regression analyses, it was found that (a) clarity emerged as the sole indicator of instructor competence, trustworthiness, and task attraction; (b) clarity and confirmation emerged as indicators of goodwill; and (c) humor and confirmation emerged as indicators of social attraction and attitude homophily.     

Maintaining Relationship Alternatives Electronically: Positive Relationship Maintenance in Back Burner Relationships

Back burners are desired prospective romantic/sexual partners that people communicate with to establish a future romantic or sexual relationship. We surveyed 658 college students about the extent to which they reported using various positive relationship maintenance strategies (positivity, openness, assurances) during communication with their most important back burner. Consistent with previous research, singles did not differ from those in committed romances in the number of back burners reported; however, singles and casual daters utilized the positive maintenance strategies to a greater extent than did those in committed relationships. Men reported using more assurances than did women, but the sexes did not differ on the other strategies utilized. Implications and limitations are discussed.     

Relational Maintenance and Social Support in the Aftermath of Sudden and Expected Death

Bereavement is a state of grieving after the loss of a loved one. Past research has suggested that bereavement is particularly challenging, both physically and emotionally, in the aftermath of unexpected death. Here, we examine bereavement in which death occurred suddenly, compared to a chronic condition where death was expected, in terms of perceived social support and relational maintenance with the deceased in the form of imagined interactions and social media interactions. Results indicated that individuals experiencing sudden death bereavement were more likely to engage in both postmortem relational maintenance techniques and perceived less social support than individuals in the expected death bereavement group. Results are discussed in terms of previous findings.     

日本三菱FX0N系列PLC运行调试及故障诊断

本对日本三菱电机公司最新推出的FXON系列PLC的安装方法、注意事项、外电源接入须知、输入电路接线规范、输出电路与负载联接处理等问题进行了研究，探讨了安装完毕后PLC的运行调试方法、维护检查步骤及故障诊断识别。强调了现场运用PLC的能力培养。     

高校实验仪器管理中TPM模式的应用

本文介绍了TPM模式,分析了高校实验仪器管理现状,并阐述了TPM模式在高校实验仪器管理中的应用与实践.     

网络系统通信通道性能评估原则及维护方案

本文着重论述了网络系统通信通道性能评估原则，简要地叙述了网络维护方案、维护的理论依据和原则，为网络系统的评估与维护提供了可操作的依据。