高等工科实验教学改革的实践与认识

高等工科实验教学的改革要紧跟时代发展,与时俱进,走出一条全新的工科实验教学之路,就要以现代科学技术的发展和社会生产力的发展为背景,构建起高等工科实验教学全新的培养目标体系、教学设计体系和现代教育技术平台,这样才能真正实现高等工科实验教学内容、教学方法和教学手段的改革,促进高等工科实验教学发生根本性变革.     

医学后期教育教学网络管理模式初探

医学是一门对专业理论和实践操作要求较强的学科，因此医学专业学生的培养过程一般分为校内基本理论学习与校外临床医院实习两个阶段。在医学院校，人们通常将后者称为医学后期教育教学管理阶段。分析现行实习管理模式的弊端，积极探索医学后期教育教学管理工作的特点及其规律，构建顺应时代特征的计算机网络化管理模式，对促进医学教育改革，确保医学专业人才培养质量具有十分重要的意义。     

浅析《围城》中个性化的比喻

比喻既是一种修辞方法,也是一种修辞过程中的思维方式。文章试着从比喻喻体选择的独特性、喻材的广泛性、比喻形式的多样性三个方面,来分析钱钟书《围城》中这些个性化的比喻,特别分析了钱先生对比喻这种修辞格创新的地方。     

过氧化氢的分解反应

本文综述过氧化氢分解反应的热力学性质、动力学性质、分解反应机理以及影响分解反应的因素等方面的研究现状。     

栾川冬凌草挥发油成分的GC-MS分析

对河南栾川老君山产中草药冬凌草的挥发油进行研究。用水蒸汽蒸馏方法提取冬凌草中的挥发油，用GC—MS方法对冬凌草挥发油的化学成分进行了鉴定，从挥发油中鉴定出14个化合物。采用气相色谱-质谱(GC—MS)对河南栾川老君山产冬凌草挥发油成分进行了分析，分离出了28个峰，确认了14种成分。     

香菇某些营养成分与药用成分的分析

对香菇中某些营养成分与药用成分进行了测量，分析结果表明，香菇含有丰富的营养成分，具有高蛋白、低脂肪的特点，并含游离氨基酸、可溶性糖、可溶性蛋白以及某些微量金属元素（如Ca，Cu，Fe，Mg，Mn，Zn等），此外，香菇还含多糖类物质，这是其具有抗癌作用的药效成分.     

反倾销司法审查制度分析——兼论我国反倾销行政诉讼规定之缺陷

应WTO反倾销协议的原则和要求,最高人民法院制定了审理反倾销行政案件的规定,尝试建立我国的反倾销司法审查制度。基于反倾销调查程序涉及复杂的经济数据（事实）问题,我国相关的司法审查制度中欠缺对倾销和损害构成的认定与评判司法审查技术层面上的具体规定。我国应借鉴欧共体、美国等国家和地区反倾销审查的司法经验,规范和完善我国反倾销审查程序,以使我国反倾销行政案件的审理程序和实体规定符合WTO反倾销审查的原则和要求。     

溴化[2—(5—己基—1,3—二氧环己烷——2—基)乙基]三乙基铵的合成<英>

以1—溴己烷,丙二酸二乙酯和丙烯醛为原料,经五步反应首次合成了溴化[2—(5—己基—1,3—二氧环己烧—2—基)乙基]三乙基铵(h).     

The invisible subject in educational science

The crisis of education frequently is framed in terms of methods, where quantitative research is accused of making the subject invisible through quantification, whereas qualitative research is credited for the emphasis on subjectivity and the discursive construction of reality. Such formulations fail to take into account a long-standing critique that interpretive (constructivist) research, too, makes invisible the real, living subject who is coping with an inherently open life, placing in its stead a ratiocinating individual. In this article, an argument is made for a concrete educational science concerned with the person who is not only (agential) subject but also subject and subjected to the condition it contributes to producing. This subject never is in complete control over its condition, cannot ever know precisely what is currently happening, and at best witnesses rather than grasps or constructs what is going on. This viewpoint requires a rethinking of the subject in/of educational science. Such a project of rethinking the subject involves shifting the minimum units of analysis: from (inter-) action to transaction, from an experience [Erfahrung] to inchoate lived-experiencing [perezhivanie, Erleben], from entities and processes to dramatic events.     

Comparison of different theoretical models estimating peak power output and maximal oxygen uptake in trained and elite triathletes and endurance cyclists in the velodrome

Abstract

The primary objective of this study was to examine the relationship between heart rate intensity and pedometer step counts in adolescents. To determine cardiorespiratory fitness, 106 participants (47 boys, 59 girls, mean age 14.2 years, s = 0.8) completed the Queen's College Step Test and were classified as having low, moderate or high cardiorespiratory fitness. Adolescents also completed a 10-min treadmill trial while wearing a pedometer and heart rate monitor. The participants were instructed to maintain their heart rate between 65 and 75% of their maximum heart rate while running or walking on a treadmill. A heart rate of 65–75% maximum was associated with 146 steps per minute (s = 22) in boys and 137 steps per minute (s = 22) in girls. Results of analysis of variance indicated that there was a main effect for level of fitness (F _2,102 = 9.36, P < 0.001). The correlation between mean steps per minute and estimated maximum oxygen consumption was statistically significant (r = 0.44, P < 0.001). The results from this study suggest that a step rate of 130 steps per minute is equal to 65–75% maximum heart rate in low-fit adolescents and achieving 130 steps per minute could be used as an initial goal to improve fitness.