ITU Telecom Asia 2004, one of the largest and most impor-tant events in the world, was held for the first time in Busan,Korea. The event, running from September 7-11, is the 7thregional ITU Telecom event being held in...ITU Telecom Asia 2004, one of the largest and most impor-tant events in the world, was held for the first time in Busan,Korea. The event, running from September 7-11, is the 7thregional ITU Telecom event being held in the Asia-Pacificregion.Under the theme“Asia Leading the Future,”ITU TeleeomAsia 2004 provided an unrivalled set of opportunities to ex-plore the full scope of the region’ s telecom market. The ac-companying exhibition featured the latest products and ser-vices across all segments of the telecom industry.展开更多
With thousands of years' civilization, Shaanxi province is a great cultural province located in the middle reaches of Yellow River in Northwest China. Cultural gene creating territorial feature and humanistic sigh...With thousands of years' civilization, Shaanxi province is a great cultural province located in the middle reaches of Yellow River in Northwest China. Cultural gene creating territorial feature and humanistic sight and constituting historic legend, Shaanxi Acrobatic Art Troupe was founded in 1957 in this land.展开更多
The economic area formed by a cluster of cities in the central part of Liaoning Province is composed of such major cities as Shenyang, Anshan, a city of steel, Fushun, a city of coal, Benxi, a city of coal and iron, D...The economic area formed by a cluster of cities in the central part of Liaoning Province is composed of such major cities as Shenyang, Anshan, a city of steel, Fushun, a city of coal, Benxi, a city of coal and iron, Dandong, a city of textile, Liaoyang, a city of chemical fibre, the port city Yingkou, and Tieling, a city of iron and grains, as well as the Anshan Iron and Steel Company, Benxi Iron and Steel Company, Fushun展开更多
Prof. Zhou Peiyuan (P.Y.Chou) was a celebrated scientist, educationalist and social activist well-known both at home and abroad. He was an outstanding leader in the Chinese science and technology community, a founder ...Prof. Zhou Peiyuan (P.Y.Chou) was a celebrated scientist, educationalist and social activist well-known both at home and abroad. He was an outstanding leader in the Chinese science and technology community, a founder of modern mechanics in China, a fighter dedicated to world peace and an international envoy of peace and goodwill sent by the Chinese people as well as a peopleto-people diplomat for the promotion ofinternational exchange and cooperation in science and technology.展开更多
Veterans and newcomers make the Asian Games a wonder China has concluded its showing at the 16th Asian Games in Guangzhou, Guangdong Province, but those people who shed tears, sweat
China’s LED industry is expected to grow by 30 percent year on year by 2015 On October 12, the National Development and Reform Commission (NDRC) announced a six-year program for the LED (lightemitting diode) industry...China’s LED industry is expected to grow by 30 percent year on year by 2015 On October 12, the National Development and Reform Commission (NDRC) announced a six-year program for the LED (lightemitting diode) industry, delivering a strong boost to the energy-efficient sector.展开更多
The area around the Asian Games Village in north Beijing has seen rapid development in recent years,boosted by the construction of Olympic stadiums,such as the National Stadium,National Aquatics Center,Olympic Hockey ...The area around the Asian Games Village in north Beijing has seen rapid development in recent years,boosted by the construction of Olympic stadiums,such as the National Stadium,National Aquatics Center,Olympic Hockey Field, Archery Field and Tennis Center. Equipped with complete facilities,展开更多
The“nine cycles of steaming and shining”,“nine making”,“nine turns”and“nine cycles of calcining and quenching”methods that are recorded and used since ancient times are merely one aspect of the unique processi...The“nine cycles of steaming and shining”,“nine making”,“nine turns”and“nine cycles of calcining and quenching”methods that are recorded and used since ancient times are merely one aspect of the unique processing methods of traditional Chinese medicine.Inducing the Chinese medicine processing method“nine cycles of steaming and shining”from historical review and summarizing the practical wisdom based on the canonical aspects of traditional Chinese medicine and the experiences of ancient Chinese medicine sages to promote the new development of traditional Chinese medicine.After the long-term and multiple“nine”processing,the materials of traditional Chinese medicine exhibit significant beneficial changes in terms of taste,efficacy,and chemical composition contents,thus emphasizing that Chinese medicine processing plays a significant role in their efficacy enhancement and toxicity reduction.Heshouwu(Polygoni Multiflori Radix),Dihuang(Rehmanniae Radix),Huangjing(Rhizoma Polygonati),Dahuang(Radix et Rhizoma Rhei),and Xixiancao(Herba Siegesbeckiae)are representatives of Chinese medicinal materials prepared using the“nine-system”processing method.This review discovers the aim and the molecular mechanism of“nine”processing of the abovementioned herbs from the viewpoints of modern pharmacochemistry and pharmacology to provide a theoretical support for the“nine”processing method of traditional Chinese medicine and to promote the international market of traditional Chinese medicine.展开更多
上海高重复频率硬X射线自由电子激光装置(Shanghai HIgh repetition rate XFEL aNd Extreme light facility,SHINE)使用低温超导高频腔加速电子,电子能量可以到达8 GeV。对于SHINE的电子束团横向截面测量将使用丝扫描这种半拦截式的截...上海高重复频率硬X射线自由电子激光装置(Shanghai HIgh repetition rate XFEL aNd Extreme light facility,SHINE)使用低温超导高频腔加速电子,电子能量可以到达8 GeV。对于SHINE的电子束团横向截面测量将使用丝扫描这种半拦截式的截面测量方法,产生的次级粒子数量较拦截式测量方法(如截面靶小)可以减小超导腔失超的风险,但需要实现束损探测器的信号与电机位置同步采集。本文基于Zynq-UltraScale+型片上系统设计与实现了丝扫描系统数据采集系统,首先对该数据采集系统的实现方式作了详细描述,然后利用实验平台检验了电机位置测量的正确性,并验证了同步采集探测器信号和扫描丝位置的功能。实验结果表明:该数据采集系统可以满足SHINE丝扫描截面测量系统的运行要求。展开更多
The third harmonic superconducting cryomodule is being designed for the Shanghai High repetition rate XFEL and Extreme light facility(SHINE)project,which is under construction.In contrast to the European X-ray Free El...The third harmonic superconducting cryomodule is being designed for the Shanghai High repetition rate XFEL and Extreme light facility(SHINE)project,which is under construction.In contrast to the European X-ray Free Electron Laser(E-XFEL)project,the 3.9 GHz cryomodules in the SHINE project will operate in the continuous wave regime with higher radio frequency average power for both cavities and couplers.We propose a 3.9 GHz fundamental power coupler with an adjustable antenna length,for satisfying the SHINE project requirements.Here,we describe the 3.9 GHz fundamental power coupler's design considerations and power requirements for various operating modes of the SHINE Linac.We also present the results of the radio frequency simulation and optimization,including the studies on multipacting and thermal analysis of the proposed 3.9 GHz coupler.展开更多
文摘ITU Telecom Asia 2004, one of the largest and most impor-tant events in the world, was held for the first time in Busan,Korea. The event, running from September 7-11, is the 7thregional ITU Telecom event being held in the Asia-Pacificregion.Under the theme“Asia Leading the Future,”ITU TeleeomAsia 2004 provided an unrivalled set of opportunities to ex-plore the full scope of the region’ s telecom market. The ac-companying exhibition featured the latest products and ser-vices across all segments of the telecom industry.
文摘With thousands of years' civilization, Shaanxi province is a great cultural province located in the middle reaches of Yellow River in Northwest China. Cultural gene creating territorial feature and humanistic sight and constituting historic legend, Shaanxi Acrobatic Art Troupe was founded in 1957 in this land.
文摘The economic area formed by a cluster of cities in the central part of Liaoning Province is composed of such major cities as Shenyang, Anshan, a city of steel, Fushun, a city of coal, Benxi, a city of coal and iron, Dandong, a city of textile, Liaoyang, a city of chemical fibre, the port city Yingkou, and Tieling, a city of iron and grains, as well as the Anshan Iron and Steel Company, Benxi Iron and Steel Company, Fushun
文摘Prof. Zhou Peiyuan (P.Y.Chou) was a celebrated scientist, educationalist and social activist well-known both at home and abroad. He was an outstanding leader in the Chinese science and technology community, a founder of modern mechanics in China, a fighter dedicated to world peace and an international envoy of peace and goodwill sent by the Chinese people as well as a peopleto-people diplomat for the promotion ofinternational exchange and cooperation in science and technology.
文摘Veterans and newcomers make the Asian Games a wonder China has concluded its showing at the 16th Asian Games in Guangzhou, Guangdong Province, but those people who shed tears, sweat
文摘China’s LED industry is expected to grow by 30 percent year on year by 2015 On October 12, the National Development and Reform Commission (NDRC) announced a six-year program for the LED (lightemitting diode) industry, delivering a strong boost to the energy-efficient sector.
文摘The area around the Asian Games Village in north Beijing has seen rapid development in recent years,boosted by the construction of Olympic stadiums,such as the National Stadium,National Aquatics Center,Olympic Hockey Field, Archery Field and Tennis Center. Equipped with complete facilities,
基金This study was supported by a grant from The Key Technology Research for Traditional Chinese Medicine Modernization of Shanxi Province(Zhendong Special Project,2014ZD0302)The Key Research&Development Plan of Shanxi Province(Social Development Project,201603D3112002)Cultivate Scientific Research Excellence Programs of Higher Education Institutions in Shanxi(20190127).
文摘The“nine cycles of steaming and shining”,“nine making”,“nine turns”and“nine cycles of calcining and quenching”methods that are recorded and used since ancient times are merely one aspect of the unique processing methods of traditional Chinese medicine.Inducing the Chinese medicine processing method“nine cycles of steaming and shining”from historical review and summarizing the practical wisdom based on the canonical aspects of traditional Chinese medicine and the experiences of ancient Chinese medicine sages to promote the new development of traditional Chinese medicine.After the long-term and multiple“nine”processing,the materials of traditional Chinese medicine exhibit significant beneficial changes in terms of taste,efficacy,and chemical composition contents,thus emphasizing that Chinese medicine processing plays a significant role in their efficacy enhancement and toxicity reduction.Heshouwu(Polygoni Multiflori Radix),Dihuang(Rehmanniae Radix),Huangjing(Rhizoma Polygonati),Dahuang(Radix et Rhizoma Rhei),and Xixiancao(Herba Siegesbeckiae)are representatives of Chinese medicinal materials prepared using the“nine-system”processing method.This review discovers the aim and the molecular mechanism of“nine”processing of the abovementioned herbs from the viewpoints of modern pharmacochemistry and pharmacology to provide a theoretical support for the“nine”processing method of traditional Chinese medicine and to promote the international market of traditional Chinese medicine.
文摘上海高重复频率硬X射线自由电子激光装置(Shanghai HIgh repetition rate XFEL aNd Extreme light facility,SHINE)使用低温超导高频腔加速电子,电子能量可以到达8 GeV。对于SHINE的电子束团横向截面测量将使用丝扫描这种半拦截式的截面测量方法,产生的次级粒子数量较拦截式测量方法(如截面靶小)可以减小超导腔失超的风险,但需要实现束损探测器的信号与电机位置同步采集。本文基于Zynq-UltraScale+型片上系统设计与实现了丝扫描系统数据采集系统,首先对该数据采集系统的实现方式作了详细描述,然后利用实验平台检验了电机位置测量的正确性,并验证了同步采集探测器信号和扫描丝位置的功能。实验结果表明:该数据采集系统可以满足SHINE丝扫描截面测量系统的运行要求。
基金supported by Shanghai Municipal Science and Technology Major Project(No.2017SHZDZX02)。
文摘The third harmonic superconducting cryomodule is being designed for the Shanghai High repetition rate XFEL and Extreme light facility(SHINE)project,which is under construction.In contrast to the European X-ray Free Electron Laser(E-XFEL)project,the 3.9 GHz cryomodules in the SHINE project will operate in the continuous wave regime with higher radio frequency average power for both cavities and couplers.We propose a 3.9 GHz fundamental power coupler with an adjustable antenna length,for satisfying the SHINE project requirements.Here,we describe the 3.9 GHz fundamental power coupler's design considerations and power requirements for various operating modes of the SHINE Linac.We also present the results of the radio frequency simulation and optimization,including the studies on multipacting and thermal analysis of the proposed 3.9 GHz coupler.
