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Characteristics of the tertiary egg membrane of cuttlefish Sepiella maindroni de Rochebrune 被引量:1
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作者 王春琳 樊晓旭 +2 位作者 蒋霞敏 宋微微 徐永健 《Chinese Journal of Oceanology and Limnology》 SCIE CAS CSCD 2010年第6期1206-1212,共7页
We separated tertiary egg membrane (TGM) from 2- and 25-day-old eggs of cuttlefish Sepiella maindroni de Rochebrune, and revealed its ultrastructure, physical (solubility, barrier property) and biochemical (histo... We separated tertiary egg membrane (TGM) from 2- and 25-day-old eggs of cuttlefish Sepiella maindroni de Rochebrune, and revealed its ultrastructure, physical (solubility, barrier property) and biochemical (histology, histochemistry, nutritional components, bacteriostasis) characteristics. The results show that TGM could not be dissolved with natural seawater, alcohol, ether or hydrochloric acid (HC1), but it could be dissolved with 2-chloroethanol, diethylamine, and sodium hydroxide (NaOH). The black TGM was more effective in blocking off mud particulates, microorganisms (Chlorella vulgaris, Vibrio alginolyticus) and lighter than the white TGM. The elasticity of black and white TGMs was 1.8 N and 1.5 N, respectively. There were some ink particulates and rod-shaped bacteria in the black TGM. The nutritional components were different between black and white TGMs: Lipid content was lower and protein content was higher in the black TGM. TGM could also inhibit the growth of Vibrio alginolyticus. 展开更多
关键词 CEPHALOPODA tertiary egg membrane (TGM) physical and biochemical characteristics embryodevelopment
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Media Agenda and Citizen Perceptions About the Economic Crisis in Mexico: The Case of South-Center Area
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作者 Jose Antonio Meyer Rodriguez 《Journalism and Mass Communication》 2011年第1期68-78,共11页
This paper reports the role of national newspapers in the agenda setting process about the economical crisis in Mexico and its impact, as important mediators, in the public opinion, in a context of high social uncerta... This paper reports the role of national newspapers in the agenda setting process about the economical crisis in Mexico and its impact, as important mediators, in the public opinion, in a context of high social uncertainty. It has sought to know whether the responses of federal government economic policy have influenced the presidential level of acceptance and whether the adverse outcomes in federal elections intermediate reveal significant aspects in the electoral behavior of the population for presidential succession 2012. This involved measuring citizens perceptions and decisions before the reforms and their consequences, analyze government communication strategies to the crisis and assess the treatment and approaches news from three newspapers about the events concerning the public agenda. The analysis has focused on three states of the central-south of Mexico. 展开更多
关键词 public agenda public opinion economical policy presidential acceptation south-center area
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广西北海疍民咸水歌研究 被引量:15
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作者 黄妙秋 《中国音乐学》 CSSCI 北大核心 2008年第4期14-19,44,共7页
广西北海疍民是一种历史悠久的、具有特殊生产生活习俗和文化特质的水上居民,在地理环境和历史社会境遇的影响下,北海疍民咸水歌音乐形成自身独特的音乐特征、歌唱风格和审美思维,它处于复合的双重边缘文化状态,蕴含着丰富的水文化内涵... 广西北海疍民是一种历史悠久的、具有特殊生产生活习俗和文化特质的水上居民,在地理环境和历史社会境遇的影响下,北海疍民咸水歌音乐形成自身独特的音乐特征、歌唱风格和审美思维,它处于复合的双重边缘文化状态,蕴含着丰富的水文化内涵,是我国南方水上传统文化中一颗璀璨的明珠。 展开更多
关键词 墨民 咸水歌 边缘 水文化
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