高校图书馆采编工作阻滞因素的探究——以纸质资源为例

图书馆采编工作是高校图书馆业务工作的起点,其工作质量关乎图书馆服务质量。文章从采访图书结构不合理和采编工作效率低下两个角度分析高校图书馆纸质资源采编工作中的阻滞因素,进而从遴选图书供应商、调整优化馆藏结构、建立健全采编工作考核制度和合理规划工作流程等方面提出解决这些阻滞因素的具体策略。     

水溶性聚氨酯的合成

以二异氰酸酯、聚醚多元醇为原料，利用二异氰酸酯和聚乙二醇在封端剂的存在下合成了一种水性聚氨酯；探讨了影响预聚反应和封端反应的因素．研究表明，在促进剂存在下．以亚硫酸氢钠为封端剂反应可制得水溶性聚氨酯．     

Similarity based mixed transaction concurrency control protocol

1 Introduction 1 Real-Time database applications, such as stock trading systems, telecommunication managements, and air traffic management are characterized by large volume of data as well as time constrained data access [1]. The correctness of such applications depends on both execution results and time constraints imposed on transaction commitments, generally in terms of deadline. Based on the different consequences of deadline missing, transactions in a real-time database systems (RTDBS) …     

2012年大理州住院分娩乙型肝炎母婴阻断与护理干预

目的：探讨乙肝母婴阻断的过程中的护理干预要点,有效提高阻断母婴成功率。方法：对HBsAg（乙型肝炎表面抗原）阳性孕产妇的新生儿采用Hepb／HBIG（重组乙型肝炎疫苗／乙肝免疫球蛋白）免疫接种及护理干预。结果：大理州累计检测2012年1月至6月新生儿实施乙肝母婴阻断,经乙肝两对半检测结果,HBsAg及HBeAg均为阴性160例,阻断成功率98．16％。结论：对新生儿及时接种Hepb／HBIG和对孕产妇进行护理干预,可有效提高母婴阻断率和成功率。     

基于网络教学平台的高等数学“分块分组”式教学探讨

信息化环境下,网络教学平台成为重要的辅助教学服务支撑平台。阐述了基于网络平台的高等数学“分块分组”式教学的含义和优越性,着重给出了该教学模式具体可行的实施方案,对提高学生学习积极性,培养学生综合能力起到了良好的促进作用,从而有效地提高高等数学教学质量。     

Effectiveness of the Slide and Cross-Over Steps In Volleyball Blocking—A Temporal Analysis

Abstract

Three initial step techniques for moving laterally are commonly used by middle blockers in volleyball. These three methods are (1) the slide step, (2) the cross-over step, and (3) the jab cross-over step. The purpose of the current investigation was to study the relationship between the three initial step techniques and selected time variables involved in the jumping and blocking action. Four criterion measures were extracted from film footage (100 frames/sec) using cinematographic data collection techniques. Six skilled volleyball players were used as subjects (3 men and 3 women). A split-split plot 3 (step method) × 2 (response direction) × 2 (sex) factorial design, with repeated measures on method and direction, were used to analyze the criterion measures. Results of the analysis revealed a clear relationship between step method and three of the time variables studied. Specifically, the cross-over steps (and in particular the jab cross-over) were observed to be superior to the slide step in terms of getting the athlete's body off the ground and into a blocking position quickly. While earlier investigations demonstrated that the slide step was superior in terms of getting from a middle blocking position to a floor switch mat (stationary target) it seems clear from the present investigation that the jab cross-over is superior in terms of actual jumping and blocking efficiency.     

中国发展服务外包的现状与对策

发展服务外包会给我国服务业的发展带来机遇。中国虽然完成了大量制造业的转移,在服务外包市场上却仍处于起步阶段。中国只有抓住服务外包国际转移的机会,才能更好地完成经济的第二次起飞。因此,我国应有目的有计划地发展服务外包。文章从服务外包发展的国际国内环境出发,对制约我国服务外包发展的因素进行了分析,并提出若干对策,以促进我国服务外包业务能力的加强。     

从技术统计中看中国女排的特长与不足

通过对近几届世界排球大赛发球与接发球、扣球与拦网等项技术指标的统计与对比,着重探析中国女排过去称雄排坛及最近几年战绩不佳的原因。在此基础上,就中国女排如何进一步发挥特长,提出了设想。     

试论独立学院物理实验教学的改革

文章从独立学院教育对象特点分析入手,论述基础实验教学在高等教育中的作用和它的地位,介绍在物理实验教学方面的教改措施和设想。     

论紧急避险的概念与本质属性

紧急避险，是指为了使国家、公共利益、本人或他人的人身、财产和其他权利免受正在发生的危险，迫不得已而采用的损害另一个较小的合法利益的行为。关于紧急避险的本质属性在理论上主要有阻却违法说、阻却责任说、三分说、必要行为说、两害择一说与无犯罪的社会危害性行为说等几种有代表性的观点，但每一种学说都不能把紧急避险的所有问题完全解决，只有将上述几种学说的基本观点结合起来，才能有效地解决紧急避险的性质问题。本质上而言应该说紧急避险是有益于社会整体的行为。