With the development of new media technology and the popularity of the TikTok platform in China,a large number of popular vocal music teachers have flocked to online platforms for teaching.Online vocal music education...With the development of new media technology and the popularity of the TikTok platform in China,a large number of popular vocal music teachers have flocked to online platforms for teaching.Online vocal music education in China is undergoing a transformation and facing challenges.This study adopts an exploratory research approach,interviewing students learning pop vocal music,and observing popular pop teachers on TikTok.The advantages,disadvantages,techniques,and methods of domestic TikTok pop vocal music teaching were investigated and studied,and a series of experiences and suggestions for optimizing TikTok teaching were put forward.The results of this study are helpful for understanding the advantages and disadvantages of TikTok pop vocal music teaching and grasping the correct development direction.These guidance and suggestions can stimulate teachers’creativity and improve their vocal music teaching level.展开更多
美国连锁超市POP(Point of Purchase)展架的材料选用趋势反映了市场需求、消费者偏好和可持续发展的变化,国内包装企业可以从中获得宝贵的经验和启示,从而在激烈的市场竞争中实现可持续发展和创新突破。本文概述了POP展架的定义与功能,...美国连锁超市POP(Point of Purchase)展架的材料选用趋势反映了市场需求、消费者偏好和可持续发展的变化,国内包装企业可以从中获得宝贵的经验和启示,从而在激烈的市场竞争中实现可持续发展和创新突破。本文概述了POP展架的定义与功能,分析了美国连锁超市POP展架的结构特点与材料选用趋势。研究发现,美国连锁超市POP展架在材料选用上呈现出明显的环保化、数字化与智能化以及个性化与定制化趋势。美国连锁超市POP展架材料选用趋势对国内包装企业有一定启示,建议国内包装企业应重视环保材料的研发与应用、数字化与智能化设计以及个性化定制,进一步提升市场竞争力,满足市场需求。展开更多
Normal corn germplasm can be used to improve popcorn （Zea mays L.） through 1-2 backcrosses with popcorn as recurrent parents. Popping characteristics of derived lines from popcorn × dent or flint corn crosses p...Normal corn germplasm can be used to improve popcorn （Zea mays L.） through 1-2 backcrosses with popcorn as recurrent parents. Popping characteristics of derived lines from popcorn × dent or flint corn crosses play a determinant role in popcorn breeding. Advanced backcross QTL methods can effectively combine QTL identification and plant breeding. 220 selected BC2F2 families developed from a cross between Dan 232, a dent corn inbred line, and N04, an elite popcorn inbred line, were evaluated for three popping characteristics, popping volume, flake size, and popping rate, under two environmental conditions. Using composite interval mapping, a total of 10 significant QTLs were detected, and of these, 2 to 4 QTLs were identified for each trait. Six QTLs had favorable alleles contributed by Dan 232. Comparison with the 15 QTLs detected in the F2：3 families showed that 3 QTLs were the same in both populations. The QTLs should be redetected in generations developed through severe selection. Improved N04 and near isogenic lines could be developed from this BC2F2 population through selfing or another 1 to 2 backcrosses with N04.展开更多
文摘With the development of new media technology and the popularity of the TikTok platform in China,a large number of popular vocal music teachers have flocked to online platforms for teaching.Online vocal music education in China is undergoing a transformation and facing challenges.This study adopts an exploratory research approach,interviewing students learning pop vocal music,and observing popular pop teachers on TikTok.The advantages,disadvantages,techniques,and methods of domestic TikTok pop vocal music teaching were investigated and studied,and a series of experiences and suggestions for optimizing TikTok teaching were put forward.The results of this study are helpful for understanding the advantages and disadvantages of TikTok pop vocal music teaching and grasping the correct development direction.These guidance and suggestions can stimulate teachers’creativity and improve their vocal music teaching level.
文摘美国连锁超市POP(Point of Purchase)展架的材料选用趋势反映了市场需求、消费者偏好和可持续发展的变化,国内包装企业可以从中获得宝贵的经验和启示,从而在激烈的市场竞争中实现可持续发展和创新突破。本文概述了POP展架的定义与功能,分析了美国连锁超市POP展架的结构特点与材料选用趋势。研究发现,美国连锁超市POP展架在材料选用上呈现出明显的环保化、数字化与智能化以及个性化与定制化趋势。美国连锁超市POP展架材料选用趋势对国内包装企业有一定启示,建议国内包装企业应重视环保材料的研发与应用、数字化与智能化设计以及个性化定制,进一步提升市场竞争力,满足市场需求。
基金funded by the Natural Science Founda-tion of Henan Province of China (0511032900).
文摘Normal corn germplasm can be used to improve popcorn （Zea mays L.） through 1-2 backcrosses with popcorn as recurrent parents. Popping characteristics of derived lines from popcorn × dent or flint corn crosses play a determinant role in popcorn breeding. Advanced backcross QTL methods can effectively combine QTL identification and plant breeding. 220 selected BC2F2 families developed from a cross between Dan 232, a dent corn inbred line, and N04, an elite popcorn inbred line, were evaluated for three popping characteristics, popping volume, flake size, and popping rate, under two environmental conditions. Using composite interval mapping, a total of 10 significant QTLs were detected, and of these, 2 to 4 QTLs were identified for each trait. Six QTLs had favorable alleles contributed by Dan 232. Comparison with the 15 QTLs detected in the F2：3 families showed that 3 QTLs were the same in both populations. The QTLs should be redetected in generations developed through severe selection. Improved N04 and near isogenic lines could be developed from this BC2F2 population through selfing or another 1 to 2 backcrosses with N04.
