模拟不同海拔高住低练对大鼠腓肠肌热休克蛋白70 的影响

目的：观察模拟不同海拔高住低练的应激对大鼠红腓肠肌保护性蛋白热休克蛋白70 的影响。方法：将60 只SD 大鼠按体重随即分为6 组,高 住低练模型是采用在14.5%和12.7%两种低氧浓度模拟高原居住然后常氧以35 m/min×30 min（每3 天递增5 min）训练模型,共4 周。取大鼠红腓肠 肌进行RT- PCR 技术和免疫组织化学技术检测HSP70 的表达。结果：单纯训练、低氧暴露和低氧训练均能诱导HSP70 表达;与单纯训练组比较,单 纯低氧暴露和低氧训练组的HSP70 表达增加（P<0.05）,其中低氧14.5%和低氧训练12.7%两组表达增加显著（P<0.01）。结论：低氧和训练或低氧训练均诱导热休克蛋白70 表达增加,低氧训练对热休克蛋白70 表达影响比单纯低氧暴露或训练的刺激方式更加明显。     

Organizational resilience and digital resources: Evidence from responding to exogenous shock by going virtual

Recent events have renewed attention to how organizations rely on digital resources in response to exogenous shock. Though the literature on organizational resilience indicates that this is best understood as a process through which organizational actors respond to a specific shock, most IS research attends to resilience as an outcome. Against that backdrop, we present a case study of how a university shifted to virtual teaching in response to a government-imposed lockdown during the COVID-19 pandemic. Adopting a digital resourcing perspective allowed us to reveal the organizational resilience process and the way digital resources shaped it. We found that the resilience process unfolded in stages as educators, assisted by students, managers, and IT personnel pivoted, adapted, and normalized into teaching virtually. Across these stages, digital resources took on specific roles as the resilience process progressed from the organization’s pre-shock accumulation of digital resources into its continued digitalization efforts. Based on these findings, we contribute to existing literature by advancing and empirically substantiating a process view of the role of digital resources in organizational resilience.     

拟南芥热激蛋白HSP70基因片段克隆实验体系的建立

以拟南芥为材料,对热激蛋白HSP70基因片段进行了克隆研究,获得了最佳的分子克隆实验体系．首先提取拟南芥总DNA,接着在热激蛋白HSP70编码区设计引物,扩增出HSP70编码区的片断,再将HSP70编码区的片断加上具有EcoRⅠ酶切位点双链的人工接头,通过EcoRⅠ对其进行酶切．再与经过EcoRⅠ酶切并已经去磷酸化的PUC19载体通过T4连接酶进行连接,然后将连接产物置人到感受态大肠杆菌细胞中（即转化）,并让这种细胞在含有Amp＋／IPTG／X—Gal的LB培养基上生长．挑取培养基上蓝白斑中的白斑,进行质粒DNA提取,通过酶切质粒DNA,从而初步判断目的片段已被克隆．     

胸腹联合伤伴失血性休克67例临床分析

目的总结胸腹联合伤67例的抢救治疗经验,以降低死亡率。方法回顾分析67例胸腹联合伤伴失血性休克患者的临床资料,其中车祸37例,高处坠落18例,挤压伤6例,锐器伤6例,均积极抗休克同时手术治疗,其中经单行开胸手术7例,剖胸加剖腹8例,单纯剖腹42例（同时胸腔闭式引流10例）。结果治愈58例,死亡9例（死亡率13．43％）。结论胸腹联合伤伴失血性休克是一种严重的创伤,死亡率高,临床表现复杂,尽快明确诊断,积极抗休克治疗、预防急性呼吸衰竭同时及时合理的手术方法对降低死亡率较为重要。     

论颜色词在英汉语言中的运用

世界是由绚丽多彩的物质组成的 ,但由于社会环境、历史和文化的差异 ,英汉两种语言赋予同一种颜色的意义不尽相同 ,有的相去甚远 ,因而颜色禁忌也就迥然相异。熟悉或了解这些颜色禁忌对于跨文化交际大有裨益 ,它可以消除误解 ,减少磨擦 ,使双方正确理解彼此的真实意图     

论跨文化交际中的交流障碍

由于交通工具的进步和通讯手段的发展使现在的人们能够比过去以往任何时候更有机会频繁地接触和交往。来自不同国家和地区、不同职业和阶层、不同家庭背景、不同性别和年龄的人们通常具有不同的思想观念和处世态度，在一起相处总会出现各种不适应的情况，碰撞和冲突将导致文化休克现象的产生。     

Children’s Participation in a Virtual Epidemic in the Science Classroom: Making Connections to Natural Infectious Diseases

This study investigated students’ understanding of a virtual infectious disease in relation to their understanding of natural infectious diseases. Two sixth-grade classrooms of students between the ages of 10 and 12 (46 students) took part in a participatory simulation of a virtual infectious disease, which was integrated into their science curriculum. The results from our analyses reveal that students perceived the simulation as similar to a natural infectious disease and that the immersive components of the simulation afforded students the opportunity to discuss their understandings of natural disease and to compare them to their experiences with the virtual disease. We found that while the virtual disease capitalized on students’ knowledge of natural infectious disease through virtual symptoms, these symptoms may have led students to think of its transfer more as an observable or mechanical event rather than as a biological process. These findings provide helpful indicators to science educators and educational designers interested in creating and integrating online simulations within classroom environments to further students’ conceptual understanding.     

大学生中西方语言文化现状及策略分析——以中国地质大学(北京)为例

随着中西方文化交流日益密切,双方间也发生着潜移默化的影响。首都北京是政治和文化国际交流中心;大学校园是文化思想交流碰撞的乐园;大学生是文化思想传播的接受者,是祖国的建设者。北京高校大学生群体对中西方语言文化的认知及了解非常重要。本文将从大学生对中国传统语言文化的认知、大学生对西方语言文化的接受程度以及在此基础上的策略分析等进行论述。在初步了解到中西方语言文化现状的基础上,对如何对待促进中西方语言文化发展提出几点建议。     

中西伦理思想在近代的冲突与交融

甲午战后,西方伦理思想纷至沓来。中西伦理由于异质异文,相互冲突与激荡。在激烈交锋中,中国传统伦理一点一滴地发生了近代转型,主要体现在以下方面:中西义利观的尖锐冲突,导致中国传统义利观的转型;三纲五常与自由平等的冲突,促成中国近代个人权利意识的生成;忠君报国与"国家"意识的较量,促成中国近代国家伦理的生成;圣人君子与自由平民的对垒,造成中国近代平民化人格的形成。这些新伦理的萌芽,标志着汲取了西方伦理精华的中国近代伦理已在中西文化互动中逐渐形成。     

浅谈高校传染病的防控策略

近年来各类传染病在全球时有发生和暴发流行,高校作为社会的特殊群体,其学生来源广、密度大、接触密切等,最容易发生传染病的传播和蔓延,因而其防治的重要性日益突出。本文从高校卫生工作重点应以＂预防为主,防治结合＂原则为切入点,分析落实传染病的防控策略。