对Brachyspira asperella Yu et Zhang的40个个体的测量统计表明,此种在生长发育过程中可以区分出3个生长阶段:幼年期壳体生长速度缓慢,壳形卵圆形,胎壳乳突状,壳口圆形;成年期生长迅速,壳高显著大于壳宽的增长率,壳形卵圆形-长卵圆形,...对Brachyspira asperella Yu et Zhang的40个个体的测量统计表明,此种在生长发育过程中可以区分出3个生长阶段:幼年期壳体生长速度缓慢,壳形卵圆形,胎壳乳突状,壳口圆形;成年期生长迅速,壳高显著大于壳宽的增长率,壳形卵圆形-长卵圆形,壳口卵圆形;老年期生长速度缓慢,壳形长卵圆形,壳饰强烈。这3个生长期代表了此种的个体发育过程。研究化石腹足类种的个体发育过程不仅能了解这一类群的系统发生史、生物演化过程及生物间的亲缘关系,而且能提高物种研究程度,避免分类上的错误。展开更多
President of China National Council of Light Industry Yu Zhen recently gave a briefing to a reporter on the targets and tasks of the name brand strategy adopted by China’s light industry.
Zhang Yifan is the son of gardening Master Zhang Nanyuan, and his story can only be found in Qi Biaojia's Diary. Qi recorded his communications with Zhang Yifan and Zhang's transformation over Yu Garden in det...Zhang Yifan is the son of gardening Master Zhang Nanyuan, and his story can only be found in Qi Biaojia's Diary. Qi recorded his communications with Zhang Yifan and Zhang's transformation over Yu Garden in detail, thus the diary shows high documentation value. Zhang's transformation over Yu Garden was important for others exploring and understanding the contents, style, and construction period of Zhangs' rockery gardening, and also for spreading Zhangs' style in Yuezhong(the present Shaoxing City, and Xiaoshan District of Hangzhou, including 8 counties of the former Shaoxing Prefecture). This paper summarized and verified the characteristics, contents and construction period of Zhangs' rockery gardening by analyzing the study case, and elaborated the spreading and development of Zhangs' gardening style in Yuezhong.展开更多
The China National Council of Light Industry is the reshuffled former Ministry of Light Industry. It began operation in Beijing on July 15, 1993. Chairman Yu Zhen gave the following introduction on the council’s work...The China National Council of Light Industry is the reshuffled former Ministry of Light Industry. It began operation in Beijing on July 15, 1993. Chairman Yu Zhen gave the following introduction on the council’s work: The China National Council of Light Industry retains the administration functions and responsibilities of the former Ministry of Light Industry. Its functions of coordination, service展开更多
文摘对Brachyspira asperella Yu et Zhang的40个个体的测量统计表明,此种在生长发育过程中可以区分出3个生长阶段:幼年期壳体生长速度缓慢,壳形卵圆形,胎壳乳突状,壳口圆形;成年期生长迅速,壳高显著大于壳宽的增长率,壳形卵圆形-长卵圆形,壳口卵圆形;老年期生长速度缓慢,壳形长卵圆形,壳饰强烈。这3个生长期代表了此种的个体发育过程。研究化石腹足类种的个体发育过程不仅能了解这一类群的系统发生史、生物演化过程及生物间的亲缘关系,而且能提高物种研究程度,避免分类上的错误。
文摘President of China National Council of Light Industry Yu Zhen recently gave a briefing to a reporter on the targets and tasks of the name brand strategy adopted by China’s light industry.
基金Sponsored by 2017 Scientific Research Fund of Beijing Department of EducationYuyou Youth Project of North China University of Technology in 2018(18XN012-025)
文摘Zhang Yifan is the son of gardening Master Zhang Nanyuan, and his story can only be found in Qi Biaojia's Diary. Qi recorded his communications with Zhang Yifan and Zhang's transformation over Yu Garden in detail, thus the diary shows high documentation value. Zhang's transformation over Yu Garden was important for others exploring and understanding the contents, style, and construction period of Zhangs' rockery gardening, and also for spreading Zhangs' style in Yuezhong(the present Shaoxing City, and Xiaoshan District of Hangzhou, including 8 counties of the former Shaoxing Prefecture). This paper summarized and verified the characteristics, contents and construction period of Zhangs' rockery gardening by analyzing the study case, and elaborated the spreading and development of Zhangs' gardening style in Yuezhong.
文摘The China National Council of Light Industry is the reshuffled former Ministry of Light Industry. It began operation in Beijing on July 15, 1993. Chairman Yu Zhen gave the following introduction on the council’s work: The China National Council of Light Industry retains the administration functions and responsibilities of the former Ministry of Light Industry. Its functions of coordination, service
