What can microblog exchanges tell us about food safety crises in China?

The affordance of microblogging services has made them an ideal tool for communicating risk and crisis. However, research on social media and risk communication is still in its infancy. This study, following the uses and gratifications framework, attempts to give some insight into the way micro-bloggers communicate about risk by investigating food safety communications on the microblogging service in China. A content analysis was conducted on 6186 microblog posts relating to 12 recent food safety incidents in China. A series of bivariate chi-square tests was conducted to test the association between micro-bloggers and gratifications. The results indicate that different types of micro-bloggers gratify different needs. Compared to other types of micro-bloggers, the general public tends to use microblogging to express opinions on food safety incidents, regulation and/or policy, rather than simply disseminating information; members of the public enjoy fewer multimedia affordances in their microblog posting but express more negative feelings. Although we anticipate growth in the use of social media in environmental health communication, caution is still needed: communication in China still follows a traditional top-down pattern.     

羊的意象与刘成章散文创作

"羊"是刘成章自我形象的意象符号,也是其眷恋陕北的象征.在这个中心纽结下,作家一方面以陕北风情为散文创作展开的原点,另一方面通过诗意化的方式表达对土地的眷恋之情.     

多媒体技术在医学生物学教学中的应用

现阶段,多媒体技术已经被广泛应用到医学生物学教学中.医学生物学教学的内容非常多,生物学包含的具体科目类别也比较繁杂,不同科目具有不同的授课特点,学生的学习重点也不同.鉴于此,该文首先分析了多媒体技术在生物学理论教学中的优势;其次,分析了多媒体技术在生物学实验教学中的优势;最后,分析了多媒体技术在医学生物学教学中的应用要...     

《新理性者》、《大学与左派评论》和英国新左派的早期发展

《新理性者》和《大学与左派评论》是英国新左派早期重要的两份政治刊物。它们具有不同的起源、不同的人员结构和不同的办刊理念。《新理性者》的贡献在于提出"社会主义人道主义",为英国新左派的早期发展提供了理论基础。《大学与左派评论》则致力于分析当代英国资本主义现实,为英国新左派后来在文化研究、政治学等领域的学术繁荣开辟了道路。     

辅导员如何加强医学院校药学类学生的实习管理

实习是医学院校教学过程中实践教学环节的重要组成部分,实习阶段不仅是学生成才的关键时期,也是学生管理难度相对较大的时期。本文结合药学专业学生实习期间管理的一些经验,对实习期间学生管理上存在的突出问题进行了分析,在把握这些问题原因的基础上,企求探索行之有效的管理方法和措施,以利于引导药学班学生将全部精力投入到技能实践中,帮助他们成长为医疗卫生行业中的合格人才。     

从同质化生存到无定性交互——论影视艺术与中国当代文学的历时性关联

不同时代文化语境下,中国当代文学与影视艺术的关联通过不同的形态和途径得以体现。新中国成立后前一十七年,影视主动依附于文学,同时期的文学创作与影视创作则呈现出高度同质化趋向。二者以联动与合谋的方式,嵌入了迎合主流文艺规范的一体化格局之中。上世纪80年代前后,影视对文学或依附或背离的双向选择,根源于影像艺术的自主性诉求与现代化革新。随着世纪之交大众文化的崛起和主导型文化媒介的更替,中国当代文学与影视艺术的交互关联发生了深远变迁,呈现出多元驳杂的无定性情形。     

Estimation of the additive hazards model with interval-censored data and missing covariates

The additive hazards model is one of the most commonly used regression models in the analysis of failure time data and many methods have been developed for its inference in various situations. However, no established estimation procedure exists when there are covariates with missing values and the observed responses are interval-censored; both types of complications arise in various settings including demographic, epidemiological, financial, medical and sociological studies. To address this deficiency, we propose several inverse probability weight-based and reweighting-based estimation procedures for the situation where covariate values are missing at random. The resulting estimators of regression model parameters are shown to be consistent and asymptotically normal. The numerical results that we report from a simulation study suggest that the proposed methods work well in practical situations. An application to a childhood cancer survival study is provided. The Canadian Journal of Statistics 48: 499–517; 2020 © 2020 Statistical Society of Canada     

关于族群关系、民族关系与社会关系的关系

"族群"与"民族"概念上存在着交叉关联.族群关系、民族关系都是一种社会关系,但社会关系不一定都构成民族关系,民族关系有时也不一定能够准确地表述特殊的社会关系,族群关系却可以化解民族关系表述的"潜在危机".族群关系、民族关系与社会关系的关系具有多向性、非对称性和动态性的特点.     

从宗教学看壮族布洛陀信仰

壮族布洛陀信仰属于原生型巫教,可称为原生型民族民间宗教,它与壮族的生存与发展紧密联系在一起,是壮族特有的文化传统。布洛陀信仰的活动在社会批判运动连续不断的年代,曾一度销声匿迹。改革开放以来,由于宗教理论的改进和宗教政策的宽松,由于社会对民族文化(包括宗教文化)的重视和对民间信仰的关注,由于布洛陀信仰研究的开展,壮族地区布洛陀信仰开始了它的重建的过程。以广西田阳敢壮山为中心,壮族民众自发地恢复布洛陀祭祀和相应的文化活动,规模越来越大,并得到学者的理论支持和政府的理解。这种民族信仰重构现象,表现了壮族民族文化主体意识的增强和布洛陀信仰的旺盛生命力及其对新的时代的调适能力,如引导得当,会丰富中华民族多元一体的文化内涵,推动两个文明建设,充实壮族人民的文化生活。