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广播节目制播机制刍议
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作者 程劲 《新闻世界》 2012年第9期92-93,共2页
就广播媒体管理来说,一个有效的节目制播机制是决定广播频率市场竞争力的关键。本文围绕近年来广播频率施行的几种主要节目制播机制展开分析与比较,并对广播产业化趋势下的节目制播机制创新进行了一些分析与思考。
关键词 广 节目 制播机制
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必须迈出电视机制改革这一步
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作者 王潞明 《西南电视》 2000年第6期22-23,共2页
电视台的节目的制播机制改革大势所趋,这是业内人士早已形成的共识。由于电视台长期以来的喉舌地位,电视台的管理层往往是重宣传而轻市场。同时,电视台的内部体制长期维持着传统模式,这就造成了“大而全”、“小而全”的组织形态,... 电视台的节目的制播机制改革大势所趋,这是业内人士早已形成的共识。由于电视台长期以来的喉舌地位,电视台的管理层往往是重宣传而轻市场。同时,电视台的内部体制长期维持着传统模式,这就造成了“大而全”、“小而全”的组织形态,其后果是严重制约了电视业的发展。面对着报刊业行将整合完毕后的冲击、面对知识经济时代的来临、面对新的媒体崛起后对我们的挑战以及我国加人WTO后与国际市场的接轨,则显出被动和无奈。如果不久后电视业的垄断优势一旦失去,其前景将令人堪忧。 展开更多
关键词 电视事业 制播机制改革 节目质量 电视台 频道专业化
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重大时政电视特别节目制作路径探析
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作者 周咪 《视听》 2023年第10期103-105,共3页
重大时政节点,各大电视媒体竞相推出特别节目,对该时政活动进行延伸报道,从内容选题、报道形式到传播渠道全方位融合创新。广西广播电视台20两会特别节目兼顾内容和新技术的高质量融合,以大数据搜索、参会物件、东盟等内容元素,加上5G+... 重大时政节点,各大电视媒体竞相推出特别节目,对该时政活动进行延伸报道,从内容选题、报道形式到传播渠道全方位融合创新。广西广播电视台20两会特别节目兼顾内容和新技术的高质量融合,以大数据搜索、参会物件、东盟等内容元素,加上5G+、AI、VR和新采访方式、新传播矩阵的技术赋能新制播机制,更好彰显了电视时政新闻的作用和价值,提升了媒体的传播力、引导力、影响力、公信力,但在平衡内容的深度解析与轻量化传播的关系、规避新闻产品同质化问题、打造品牌特色等方面还需要进一步优化。 展开更多
关键词 重大时政电视特别节目 作路径 制播机制
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The Sexually Transmitted Insect Virus, Hz-2V
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作者 John P. Burand 《Virologica Sinica》 SCIE CAS CSCD 2009年第5期428-435,共8页
Hz-2V is one of only a very few sexually transmitted viruses currently known in insects. Replication of this insect pathogenic virus results in sterility of infected moths rather than mortality. The sterility of the i... Hz-2V is one of only a very few sexually transmitted viruses currently known in insects. Replication of this insect pathogenic virus results in sterility of infected moths rather than mortality. The sterility of the infected host is a consequence of virus directed malformation of adult reproductive tissues, which in females results in cellular proliferation and hypertrophy of these tissues. Virus replication has additional ramifications in infected females. Infected females produce more mating pheromones and attract more mates than healthy females, ultimately facilitating virus transmission and enhancing viral fitness. The molecular mechanisms used by the virus to manipulate the host to enhance its fitness are yet to be determined. Unraveling the underlying principles of these mechanisms promises to enhance our understanding of insect reproductive physiology, as well as provide molecular tools for use in novel approaches in sterile insect control programs. 展开更多
关键词 Hz-2V Insect virus Sexually transmitted disease PHEROMONE Insect reproductive physiology
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Deviation Diagnosis and Analysis of Hull Flat Block Assembly Based on a State Space Model
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作者 Zhiying Zhang Yinfang Dai Zhen Li 《Journal of Marine Science and Application》 2012年第3期311-320,共10页
Dimensional control is one of the most important challenges in the shipbuilding industry. In order to predict assembly dimensional variation in hull flat block construction, a variation stream model based on state spa... Dimensional control is one of the most important challenges in the shipbuilding industry. In order to predict assembly dimensional variation in hull flat block construction, a variation stream model based on state space was presented in this paper which can be further applied to accuracy control in shipbuilding. Part accumulative error, locating error, and welding deformation were taken into consideration in this model, and variation propagation mechanisms and the accumulative rule in the assembly process were analyzed. Then, a model was developed to describe the variation propagation throughout the assembly process. Finally, an example of fiat block construction from an actual shipyard was given. The result shows that this method is effective and useful. 展开更多
关键词 hull fiat block state space model deviation source diagnosis
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