伯塞活脱气体的内能和摩尔热容量

研究了伯塞活脱气体的内能、定压摩尔热容量与定容摩尔热容量之差，并分析讨论了其结果．     

"V+数词(一)+动量词+N"的认知分析

根据对名词、动词的数量特征的认知分析及动量词的语义特征的考察,我们将动词后动量词与数词组合的数量短语定性为动词的补语,同时又发现了动量词、名量词、抽象名词、具体名词之间的组配存在着一种不完整的关联标记模式。在此基础上,我们就能对“V 数词(一) 动量词 N”结构作出细致、准确的分析。     

Safe spaces? A social-ecological perspective on student perceptions of safety in the environment of the school canteen

ABSTRACT

Background Research suggests that negative peer interactions that compromise student safety and wellbeing often occur in spaces at school that are not easily visible, not adequately monitored, overcrowded and/or relatively unstructured. In a large online survey conducted in Swedish schools by the anti-bullying organisation, Friends, a small proportion of students indicated that they felt unsafe in the school canteen and responded to a question about why they felt unsafe there. As the canteen is often reported to be a space where negative peer interactions, such as harassment, bullying and other forms of school violence, occur, but little is known about why negative peer interactions occur there, we were particularly interested in exploring why some students perceived their school canteen to be an unsafe space.

Purpose Taking a social-ecological perspective, our aim was to investigate why students reported feeling unsafe in the environment of the school canteen.

Method In order to investigate this question, we analysed 1,547 responses from students in Swedish schools in grades 3–6 (ages 9–12). The responses were from the anti-bullying organisation Friends’ online questionnaires from 2011 to 2016. In the responses, students who indicated that they felt unsafe in the school canteen explained why they felt this way. Data were analysed qualitatively, using a six-step thematic approach.

Findings The analysis identified four key themes: Space constraints, Time restrictions, The risk of social blunders and The negative actions of others. We discuss the findings in terms of the macrosystem, exosystem, mesosystem and microsystem.

Conclusions In matters of student safety and wellbeing, we argue that it is not only important to consider the social context, but also how that context is interconnected with environmental and structural elements.     

近期中国风水文化争议综述

近日随着建设部中国建筑文化中心和国际易学联合会主办的“首届中国建筑风水文化与健康地产发展国际论坛”在人民大会堂开幕和以建设部中国建筑文化中心与南京大学易学研究所名义开办的国内首个“建筑风水文化培训班”的开张,什么是风水,风水究竟是科学还是迷信,以及如何看待风水的影响与作用等,又成了学术界争议的热门话题。这一争议热潮有利于人们如何正确认识和对待风水。     

坚持科学发展观 增强社会服务功能——区域大学教育改革与创新初探

区域大学增强社会服务功能,是区域经济社会发展的客观要求,也是高等教育自身发展的内在需要。因此,坚持科学发展观,科学定位,完善功能,立足当地实际,发挥专业优势,形成办学特色,积极为区域经济社会服务,是推动教育改革与创新,提升区域大学办学实力的重要途径     

CuO气敏元件的制备及气敏性能研究

用Cu2O制备CuO气敏元件，对乙醇、汽油、丁烷和氢气等气氛进行气敏试验，并进行机理分析，结果表明，由Cu2O制备的CuO气敏元件，对所测气体的灵敏度优于由CuO制备的气敏元件。     

略论想象竞合犯的基本特征

想象竞合犯具有两个方面的基本特征,一方面,事实上只有一个行为,但是行为事实却是非常复杂的;另一方面,该一个行为触犯了数个罪名,但是这只是观念上触犯数个罪名。很好地把握想象竞合犯这两个基本特征,是解决想象竞合犯的本质,即想象竞合犯的罪数的前提。     

基于湿度控制技术的岩心电阻率测量研究

针对油田岩心室内试验中工作气体湿度控制现状，提出对在室内以气体为工作介质的试验流程中引用双压法气体湿度发生装置，从而获得已知湿度的工作气体进行岩心的常规试验．岩心电阻率测量的实验数据表明，控制工作气体的湿度，可提高试验结果的准确性．     

低浓度煤矿瓦斯的脉动燃烧技术

从低浓度煤矿瓦斯燃烧利用出发,结合脉动燃烧技术和国内外资料,设计出一套Helmholtz型脉动燃烧器。阐述了该燃烧器的设计,并介绍了燃烧过程中温度、压力和烟气测量系统,最终成功完成了低浓度瓦斯的稳定脉动燃烧。     

脉冲电晕法处理含苯废气实验研究

挥发性有机物(VOCs)的污染与控制技术日益受到重视。近年来发展起来的非平衡等离子体技术在治理VOCs方面已初步显示其独特的技术优势,现已成为废气治理研究领域中的前沿热点课题之一。等离子体法降解VOCs的机理较为复杂,研究不同线路对VOCs降解过程的影响意义重大。采用脉冲电晕放电等离子体技术,建立了混合电晕、有机电晕、空气电晕和分别电晕4种不同的实验方案,选取苯为代表物质进行实验研究,在初始浓度、停留时间和电源参数等一定的条件下,考察脉冲电压对苯去除率的影响。结果表明,电压为140kV、混合电晕时苯的去除率达到82.73%,脉冲电晕技术处理低浓度有机废气效果较好。