科学评价视角下F1000、Mendeley与传统文献计量指标的比较

为了探讨同行评议、影响计量学以及传统文献计量指标在科学评价中的有效性,本文选取F1000、Mendeley以及Web of Science、Google Scholar数据库,采用SPSS 19.0软件,将心理学与生态学的1,3篇论文的同行评议结果即F1000因子、Mendeley阅读统计、期刊影响因子,以及Web of Science、Google Scholar数据库中被引频次进行相关分析。结果表明:同行评议结果、传统引文分析指标以及以Mendeley为代表的影响计量指标具有低度正相关性,这意味着上述指标在科学评价中审视视角的不同以及数字时代科学评价的多维构成;心理学筛选数据中F1000因子与期刊影响因子相关度几近为0,这一结论进一步证实了期刊影响因子与单篇论文影响力的严重背离;生态学与心理学指标相关分析结果的不同折射出科学评价中自然科学、社会科学的差异。图3。表4。参考文献10。     

Eye movement analysis of information processing under different testing conditions

The study reported herein was designed to use eye movement data, collected during solution of complex figural analogies, to test the premise that enhanced feedback mechanisms and opportunities for dual coding of figural stimulus information result in the allocation of an increased percentage of information-processing resources to rule application activities. Subjects were given items from the Advanced Progressive Matrices under elaborated feedback, subject verbalization, or standard procedures. Results indicate that elaborative testing conditions, involving elaborated feedback or subject verbalization, enhance the rule-governed nature of information processing during inductive reasoning by augmenting feedback and dual coding.     

BX_3与C=C之间p-π作用的量子化学研究

用量子化学计算方法对BX3(X=H,F,Cl)与C‖C之间通过p-π作用形成的复合物进行了研究.计算结果表明,各复合物中BX3均位于π键的上方,并且偏向于氢原子数较多的碳原子一侧.BH3与C‖C的作用是由π键中的电子通过向B的空p轨道转移而形成,但BF3和BCl3与C‖C的作用只是通过微弱的分子间作用力结合,复合物的形成使分子的振动光谱随作用的强弱而出现一定的红移现象.     

超F幻方的奇妙特性

揭示了超F幻方的更多的奇妙特性并给出了严格的证明。     

锂电池智能充电器设计方案

本文讨论了一种可用单芯片实现的智能锂电池充电器的设计方案,可对目前市场上具有的各种型号和容量的锂电池进行快速安全的充电。采用这种方案进行锂电池充电器的开发具有成本廉价和易于编程升级的优点,有着广阔的市场前景。     

An analysis of assignment completion and accuracy across time under fixed, variable, and extended token exchange periods in a classroom token economy

This research investigated the effects of employing fixed, variable, and extended token exchange periods for backups on the completion and quality of daily assignments of a total fifth- and sixth-grade class. The results indicated a higher percentage of assignments was completed when the number of days between point exchanges was variable, and that performance was maintained when the number of school days between point exchanges was gradually increased. The overall accuracy on assignments was high, but varying, and did not appear to be under the systematic control of the experimental procedures. Data for all pupils indicated that there were individual differences as to the effects of the various token (point) exchange procedures. Pupils with inconsistent assignment completion during Fixed Exchange Conditions (Fixed Period (FP-I, -II, -III) increased their assignment completion during the Variable Token Exchange Procedures (Variable Period (VP)-I, -II, -III). Thus, the variable sequencing of the number of days should be an important consideration in any effort to maintain the positive effects of token-reinforcement systems within classroom settings.     

从艾森豪威尔到肯尼迪:美国对日政策的转变

1960年日本"安保危机"之后的困局促使美国对日政策从"占领者"心态向"平等伙伴关系"心态转变。艾森豪威尔时期的美日关系虽然得到了很大程度上的改变,但是,美国对日政策仍带有很强的"占领者"色彩。肯尼迪时期,美国适应新形势的需要,着手调整对日政策,采取了"单边"贸易自由化、美日事前协商框架等政策,开始向"平等伙伴关系"转变,试图重构美日关系。     

基于IAP15F2K61S2单片机的车载酒精智能报警系统设计

针对传统51单片机外围电路复杂,缺少灵活性等缺点,采用最新的IAP15F2K61S2单片机作为控制核心,设计了一种车载酒精智能报警系统.该系统采用双重检测方式通过对驾驶员呼出气体酒精浓度的检测来控制汽车的启动,同时具有语音报警、GSM短信提示、温度时间显示等功能.     

生命发展的非连续性及其教育--兼论博尔诺夫的非连续性教育思想

生命的发展是连续性和非连续性的统一,但以往教育学对人的发展的研究,注重的是发展的连续性,忽视了发展的非连续性.针对这一缺陷,本文论述了生命发展非连续性的原因以及它的教育形式,重点评述了博尔诺夫的非连续性教育思想.     

基于PIC单片机及阵列电路方式控制大量外设的研究

本文介绍了PIC单片机的特点,以及利用该芯片、移位寄存器74LS164和阵列电路控制继电器的开关闭合,来实现对大量外部设备的控制。该方法的实现可以有效地节省大量的单片机I/O引脚的使用个数,特别是在一些要实现的功能较多的工程中,效果更为显著。