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A visitor takes photos of exhibits during an exhibition of Chinese royal goldware of Ming Dynasty (1368-1644) at the National History Museum of Romania in Bucharest, Romania, Nov. 20, 2019. An exhibition of Chinese royal goldware of Ming Dynasty opened Wednesday at the National History Museum of Romania, on the occasion of the 70th anniversary of China-Romania diplomatic relations. The exhibition "Royal Gold Wares of Wanl。i Period, Ming Dynasty -- Dong Bo Zhai Collection" is the first collaboration between National History Museum of Romania and a Chinese private museum. All the 145 pieces of goldware, dating from Wanli period (1573-1620) of Ming Dynasty, are the collections of Xi'an Qu。jiang Museum of Fine Arts. The exhibition, which will be open until March 22, 2020 (Photo by Gabriel Petrescu/Xinhua)BUCHAREST, Nov. 20 (Xinhua) -- An exhibition of Chinese royal goldware of Ming Dynasty opened Wednesday at the National History Museum of Romania, on the occasion of the 70th anniversary of China-Romania diplomatic relations.The exhibition "Royal Gold Wares of Wanli Period, Ming Dynasty -- Dong Bo Zhai Collection" is the first collaboration between National History Museum of Romania and a Chinese private museum.At its opening ceremony, Chinese Ambassador to Romania Jiang Yu said that "culture is colorful because of communication, and cultu。re is enriched by mutual learning.""It is hoped that the people of the two countries will share their hearts and minds, and jointly build the friendship through cultural exchanges and mutual understanding," she added.Irina Cajal, undersecretary of state of the Romanian Culture Ministry, said that cultural exchanges are "the best way" to enhance friendship between the people of the two countries.The exhibition is the second large-scale Chinese exhibition held at the National History Museum after the 2013 "Treasures of China," which gives the Romanian people a chance to appreciate at close range the exquisite craftsmanship of ancient China, and enhance their understanding of China, said Cajal.All the 145 pieces of goldware, d。ating from Wanli period (1573-1620) of Ming Dynasty, are the collections of Xi'an Qujiang Museum of Fine Arts.Zhou Tianyou, director of Qujiang Museum of Fine Arts, said he believes the collections could "play an active role in enhancing the bilateral friendship between China and Romania."The exhibition, which will be open until March 22, 2020, includes ornaments such as the traditional hair pins, earrings and bracelets, vessels used in religious rituals, vessels for serving drinks, sets of baskets with flowers an。d purely decorative objects, said the Romanian museum. 1 2 3 4 Next Page Last Page41 [ Editor: SRQ ]Chinese royal goldware of Ming Dynasty on display in Romania(2)

BEIJING, Dec. 19 (Xinhua) -- Chinese scientists have provided experimental information on the existence and temperature-dependent size of critical ice nuclei for the first time.Water freezing is ubiquitous, but the process of how water turns into ice at the micro level is unknown. Ice nucleation is the controlling step in water freezing and has, for nearly a century, been assumed to require the formation of a critical ice nucleus, according to the classical nucleation theory. But there has been no direct。 experimental evidence for the existence of such a nucleus, owing to its transient and nanoscale nature.Researchers from the Institute of Chemistry, Chinese Academy of Sciences and the University of the Chinese Academy of Sciences creatively probed the existence of a critical ice nucleus and its size for ice formation with graphene oxide nanosheets.In a paper published in the journal Nature, researchers used different-sized graphene oxide nanosheets to detect the critical size of the ice nucleus.They inferred f。rom the experimental data and theoretical calculations that the critical size of the graphene oxide reflects the size of the critical ice nucleus, which in the case of sufficiently large graphene oxi。des sits on their surface and gives rise to ice formation behavior consistent with classical nucleation theory."This experiment can be understood like this: using nanoparticles with a determined size as rulers to measure the critical ice nucleus and continuously reducing the temperature to 。make the ice nucleus size reach the required critical size. When the ice nucleus size is exactly the same as the size of the nanoparticles, it is easy to form a critic。al ice nucleus," Wang said.The research has deepened the microscopic understanding of water freezing and has also provided important theoretical guidance for the application of artificial ice control. It will play a vital role in the fields of chemical industry, cryobiology and materials science.[ Editor:SRQ ]Chinese scientists confirm existence of critical ice nucleusQin Zhongjun, a molecular biologist at the Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, of Chinese Academy of Sciences, introduces his research in Shanghai, east China, Aug. 2, 2018. Brewer's yeast, one-third of whose genome is said to share ancestry with a human's, has 16 chromosomes. However, Chinese scientists have managed to fit nearly all its genetic material into just one chromosome while not affecting the majority of its functions, according to a paper released Thursday on Nature's website. Qin Zhongjun and his team used CRISPR-Cas9 genome-editing to create a single chromosome yeast strain, the paper said. (Xinhua/Zhang Yuwei)SHANGHAI, Aug. 2 (Xinhua) -- Brewer's yeast, one-third of whose genome is said to share ancestry with humans, has 16 chromosomes. However, Chinese scientists have managed to fit nearly all its genetic material into just one chromosome while not affecting the majority of its functions, according to a paper released Thursday on the website of the journal Nature.Qin Zhongjun, a molecular biologist at the Center for Excellence in Molecular Plant Sciences of the Shanghai Institute of Plant Physiology and Ecology under the Chinese Academy of Sciences, and his team used CRISPR-Cas9 genome-editing to create a single-chromosome yeast strain, the paper said.Yeast is a type of eukaryote, which also includes humans, plants, and animals. Humans have 46 chromosomes, whereas male jack jumper ants have just one. It seems that the number of chromosomes of a eukaryote has no correlation with the amount of genetic information they possess, the paper said."Our research shows that all the genetic information can be concentrated in just one chromosome," Qin said.In the past, researchers had fused two yeast chromosomes together, but no one had ever performed the type of extreme genetic surgery that Qin and his colleagues set out to do several years 。ago.Using the CRISPR-Cas9, Qin's team removed the DNA at the telomeres, the ends of chromosomes that protect them from degrading. They also snipped out the centromeres, sequences in the middle that are important to DNA replication, the paper said.First, they fused two chromosomes, then joined this product to another chromosome, and repeated the process in successive rounds until there was only one chromosome left, it said.Despite the genetic clipping and restructuring, yeast with one "super-chromosome" is similar to natural yeast in cell growth and gene expression, Qin said."It overturns the traditional view that gene expression is determined by the structure of chromosomes," he said.By simplifying a complex genome system, Qin suggested that the research provides a new approach to studying the functions of telomeres.Earlier research found that the length of telomeres is related to early aging, the formation of tumors, and other diseases. Telomeres shorten as a cell splits, but if telomeres cannot shorten anymore, the cell dies."A normal 。yeast genome has 32 telomeres of various lengths. It is too hard to describe each telomere's ch。anges or reactions to drugs. But with only one chromosome and two telomeres, it will be easier to find the patterns," Qin said.The research may also pave the way for new man-made species in the future. "Yeast has great tolerance in genetic modification, and it is possible to add new chromosome segments to the genome. Researchers can make bolder attempts," he said.According to the paper, the change to the chromosome number has little impact on the gene activity. However, the single-chromosome strain produces fewer spores, which a。re reproductive cells for non-flowering plants, bacteria, fungi, and algae, in sexual reproduction."The survival rate of spores produced by a natu。ral yeast strain is 98 percent, while that of ours is 87.5 percent. The gap is not big," Qin said.The paper also said that Jef Boeke, a geneticist at New York University, and his team submitted their outcome for similar research. They condensed the yeast genome into a pair of chromosomes, but could not fuse the pair into one.One explanation for the difference is that Qin's team removed 19 repetitive stretches of DNA. Qin suggested these sequences might have interfered with the mechanism that cells use to fuse two chromosomes into one.The two teams worked independently from each other. 1 2 3 4 5 6 7 8 9 10 Next Page Last Page101 [ Editor: Zhang Zhou ]Chinese scientists perform genetic surgery to create first singleChinese Vice Premier Sun Chunlan, also a member of the Political Bureau of the Communist Party of China Central Com。mittee, visits Suizhou City in central China's Hubei Province, Feb. 16, 2020. Sun is leading a central government team guiding the coronavirus epidemic control work in Hubei. (Xinhua/Xiao Yijiu)WUHAN, Feb. 17 (Xinhua) -- Chinese Vi。ce Premier Sun Chunlan has stressed the importance of prevention in the fight against the novel coronavirus disease (COVID-19) outbreak, noting that the fight will be won only if prevention and control measures are put in place in every community.Sun, 。who is also a member of the Political Bureau of the Communist Party of China Central Committee, is leading a ce。ntral government team guiding the coronavirus epidemic control work in central China's Hubei Province, the center of the outbreak.The guiding team visited local communities, a supermarket, and a backup medical facility as well as medical staff in the province's Suizhou city on Sunday.Sun urged efforts to ensure the supply and distribution of living 。materials for community residents.When learning that there remained a shortage of medical personnel, Sun instructed the national health authorities to immediately send more medics to assist Suizhou.While visiting Wuhan-based Tongji Hospital on Monday, Sun talked with frontline medical personnel and called on them to do everything possible to save lives. [ Editor: WPY ]Chinese vice premier stresses food safety

磷酸氯。喹治疗新冠肺炎具有疗效 针对网上流传。的新冠病毒是自。限性疾病、可在家自。愈的说法,王贵强表示,自限性疾病不等。于不需要治疗。2015年促成的中国第一个互联网公益。日——99公益日,已。成。为参与人数最多、。影响力最广、场。景最多元的现象级全民公益行动日。A biomimetic robot swerves in a swimming pool in Xi'an, northwest China's Shaanxi Province, on Aug. 3, 2019. Chinese researchers in Northwestern Polytechnical University have developed a biomimetic robot in the shape of a manta ray, or devilfish, that can flap its wings and slide underwater. The researchers created the bionic soft robot prototype modeled on the sha。pe and motion of a manta ray. The prototype, with a wingspan of 80 cm, is powered by a lithium battery and can swim at a speed of up to 1。.85 km per hour. The team will test the robot in lake conditions soon and in the open ocean next year. They also plan to load more sensors for visual and sound detection on the robot for further research. (Xinhua/Shao Rui) 1 2 3 4 5 6 7 Next Page Last Page71 [ Edito。r: Shi Ruoqi ]Chinese researchers fin。d new target for trea。tment of polycystic ovary syndromeSalespeople update the content of its online store at Foshoushan Food。 Co., Ltd. in Guang'an, southwest China's Sichuan Prov。ince, Sept. 10, 2017. Salt preserved eggs, a kind of traditional food of Guang'an City, is made of duck eggs boiled and steamed with dozens of con。diments. Guang'an City has made the traditional food as a scaled industry by encouraging food companies to diversify their products and pro。moting sale on the internet. (Xinhua/Wang Quanchao) 。1 2 3 4 Next Page Last Page41 [ Editor: meng ]Chinese traditional food connects with Internet in SW China(1)

英。国部分地区遭。。受洪水侵袭 2月17日,在英国英。格兰。北部约克,一辆汽车困在洪水中。BOAO, Ha。inan, April 7 (Xinhua) -- Chinese President Xi Jinping on Sunday urged stronger global cooperation to consolidate the foundati。on for sustaining stable growth of the world economy.He made the remarks when delivering a keynote speech at the opening ceremony of the Boao Forum for Asia (BFA) Annual Conference 2013 held in Boao, a coastal town in 。south China's Hainan Province.All countries in the world are closely linked and share converging interests, and should both pool and share their strengths, Xi said.Countries should accommodate the legitimate concerns of others and promote the common development of all while pursuing their own interests, he said."We should。 enhance South-South cooperation and North-South dialogue and promote balanced development of the developing and developed countries," the presid。ent said.He called for more vigorous work to create more cooperation opportunities, upgrade cooperation and deliver more development dividends to the people. [Editor: [Prev]Chinese president Xi's speech at Boao draws positive comments[Next]About BFA Run Run Shaw Hong Kong media mogul and philanthropist, aged 107, passed away at home on Tuesday morning.Chinese president's initiatives at UN "generous opportunity" for developing countries

BEIJING, Dec. 19 (Xinhua) -- Chinese scientists have provided experimental information on the existence and temperature-dependent size of critical ice nuclei for the first time.Water freezing is ubiquitous, but the process of how water turns into ice at the micro level is unknown. Ice nucleation is the controlling step in water freezing and has, for nearly a century, been assumed to require the formation of a critical ice nucleus, according to the classical nucleation theory. But there has been no direct。 experimental evidence for the existence of such a nucleus, owing to its transient and nanoscale nature.Researchers from the Institute of Chemistry, Chinese Academy of Sciences and the University of the Chinese Academy of Sciences creatively probed the existence of a critical ice nucleus and its size for ice formation with graphene oxide nanosheets.In a paper published in the journal Nature, researchers used different-sized graphene oxide nanosheets to detect the critical size of the ice nucleus.They inferred f。rom the experimental data and theoretical calculations that the critical size of the graphene oxide reflects the size of the critical ice nucleus, which in the case of sufficiently large graphene oxi。des sits on their surface and gives rise to ice formation behavior consistent with classical nucleation theory."This experiment can be understood like this: using nanoparticles with a determined size as rulers to measure the critical ice nucleus and continuously reducing the temperature to 。make the ice nucleus size reach the required critical size. When the ice nucleus size is exactly the same as the size of the nanoparticles, it is easy to form a critic。al ice nucleus," Wang said.The research has deepened the microscopic understanding of water freezing and has also provided important theoretical guidance for the application of artificial ice control. It will play a vital role in the fields of chemical industry, cryobiology and materials science.[ Editor:SRQ ]Chinese scientists confirm existence of critical ice nucleusQin Zhongjun, a molecular biologist at the Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, of Chinese Academy of Sciences, introduces his research in Shanghai, east China, Aug. 2, 2018. Brewer's yeast, one-third of whose genome is said to share ancestry with a human's, has 16 chromosomes. However, Chinese scientists have managed to fit nearly all its genetic material into just one chromosome while not affecting the majority of its functions, according to a paper released Thursday on Nature's website. Qin Zhongjun and his team used CRISPR-Cas9 genome-editing to create a single chromosome yeast strain, the paper said. (Xinhua/Zhang Yuwei)SHANGHAI, Aug. 2 (Xinhua) -- Brewer's yeast, one-third of whose genome is said to share ancestry with humans, has 16 chromosomes. However, Chinese scientists have managed to fit nearly all its genetic material into just one chromosome while not affecting the majority of its functions, according to a paper released Thursday on the website of the journal Nature.Qin Zhongjun, a molecular biologist at the Center for Excellence in Molecular Plant Sciences of the Shanghai Institute of Plant Physiology and Ecology under the Chinese Academy of Sciences, and his team used CRISPR-Cas9 genome-editing to create a single-chromosome yeast strain, the paper said.Yeast is a type of eukaryote, which also includes humans, plants, and animals. Humans have 46 chromosomes, whereas male jack jumper ants have just one. It seems that the number of chromosomes of a eukaryote has no correlation with the amount of genetic information they possess, the paper said."Our research shows that all the genetic information can be concentrated in just one chromosome," Qin said.In the past, researchers had fused two yeast chromosomes together, but no one had ever performed the type of extreme genetic surgery that Qin and his colleagues set out to do several years 。ago.Using the CRISPR-Cas9, Qin's team removed the DNA at the telomeres, the ends of chromosomes that protect them from degrading. They also snipped out the centromeres, sequences in the middle that are important to DNA replication, the paper said.First, they fused two chromosomes, then joined this product to another chromosome, and repeated the process in successive rounds until there was only one chromosome left, it said.Despite the genetic clipping and restructuring, yeast with one "super-chromosome" is similar to natural yeast in cell growth and gene expression, Qin said."It overturns the traditional view that gene expression is determined by the structure of chromosomes," he said.By simplifying a complex genome system, Qin suggested that the research provides a new approach to studying the functions of telomeres.Earlier research found that the length of telomeres is related to early aging, the formation of tumors, and other diseases. Telomeres shorten as a cell splits, but if telomeres cannot shorten anymore, the cell dies."A normal 。yeast genome has 32 telomeres of various lengths. It is too hard to describe each telomere's ch。anges or reactions to drugs. But with only one chromosome and two telomeres, it will be easier to find the patterns," Qin said.The research may also pave the way for new man-made species in the future. "Yeast has great tolerance in genetic modification, and it is possible to add new chromosome segments to the genome. Researchers can make bolder attempts," he said.According to the paper, the change to the chromosome number has little impact on the gene activity. However, the single-chromosome strain produces fewer spores, which a。re reproductive cells for non-flowering plants, bacteria, fungi, and algae, in sexual reproduction."The survival rate of spores produced by a natu。ral yeast strain is 98 percent, while that of ours is 87.5 percent. The gap is not big," Qin said.The paper also said that Jef Boeke, a geneticist at New York University, and his team submitted their outcome for similar research. They condensed the yeast genome into a pair of chromosomes, but could not fuse the pair into one.One explanation for the difference is that Qin's team removed 19 repetitive stretches of DNA. Qin suggested these sequences might have interfered with the mechanism that cells use to fuse two chromosomes into one.The two teams worked independently from each other. 1 2 3 4 5 6 7 8 9 10 Next Page Last Page101 [ Editor: Zhang Zhou ]Chinese scientists perform genetic surgery to create first singleChinese Vice Premier Sun Chunlan, also a member of the Political Bureau of the Communist Party of China Central Com。mittee, visits Suizhou City in central China's Hubei Province, Feb. 16, 2020. Sun is leading a central government team guiding the coronavirus epidemic control work in Hubei. (Xinhua/Xiao Yijiu)WUHAN, Feb. 17 (Xinhua) -- Chinese Vi。ce Premier Sun Chunlan has stressed the importance of prevention in the fight against the novel coronavirus disease (COVID-19) outbreak, noting that the fight will be won only if prevention and control measures are put in place in every community.Sun, 。who is also a member of the Political Bureau of the Communist Party of China Central Committee, is leading a ce。ntral government team guiding the coronavirus epidemic control work in central China's Hubei Province, the center of the outbreak.The guiding team visited local communities, a supermarket, and a backup medical facility as well as medical staff in the province's Suizhou city on Sunday.Sun urged efforts to ensure the supply and distribution of living 。materials for community residents.When learning that there remained a shortage of medical personnel, Sun instructed the national health authorities to immediately send more medics to assist Suizhou.While visiting Wuhan-based Tongji Hospital on Monday, Sun talked with frontline medical personnel and called on them to do everything possible to save lives. [ Editor: WPY ]Chinese vice premier stresses food safety

BEIJING, Dec. 19 (Xinhua) -- Chinese scientists have provided experimental information on the existence and temperature-dependent size of critical ice nuclei for the first time.Water freezing is ubiquitous, but the process of how water turns into ice at the micro level is unknown. Ice nucleation is the controlling step in water freezing and has, for nearly a century, been assumed to require the formation of a critical ice nucleus, according to the classical nucleation theory. But there has been no direct。 experimental evidence for the existence of such a nucleus, owing to its transient and nanoscale nature.Researchers from the Institute of Chemistry, Chinese Academy of Sciences and the University of the Chinese Academy of Sciences creatively probed the existence of a critical ice nucleus and its size for ice formation with graphene oxide nanosheets.In a paper published in the journal Nature, researchers used different-sized graphene oxide nanosheets to detect the critical size of the ice nucleus.They inferred f。rom the experimental data and theoretical calculations that the critical size of the graphene oxide reflects the size of the critical ice nucleus, which in the case of sufficiently large graphene oxi。des sits on their surface and gives rise to ice formation behavior consistent with classical nucleation theory."This experiment can be understood like this: using nanoparticles with a determined size as rulers to measure the critical ice nucleus and continuously reducing the temperature to 。make the ice nucleus size reach the required critical size. When the ice nucleus size is exactly the same as the size of the nanoparticles, it is easy to form a critic。al ice nucleus," Wang said.The research has deepened the microscopic understanding of water freezing and has also provided important theoretical guidance for the application of artificial ice control. It will play a vital role in the fields of chemical industry, cryobiology and materials science.[ Editor:SRQ ]Chinese scientists confirm existence of critical ice nucleusQin Zhongjun, a molecular biologist at the Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, of Chinese Academy of Sciences, introduces his research in Shanghai, east China, Aug. 2, 2018. Brewer's yeast, one-third of whose genome is said to share ancestry with a human's, has 16 chromosomes. However, Chinese scientists have managed to fit nearly all its genetic material into just one chromosome while not affecting the majority of its functions, according to a paper released Thursday on Nature's website. Qin Zhongjun and his team used CRISPR-Cas9 genome-editing to create a single chromosome yeast strain, the paper said. (Xinhua/Zhang Yuwei)SHANGHAI, Aug. 2 (Xinhua) -- Brewer's yeast, one-third of whose genome is said to share ancestry with humans, has 16 chromosomes. However, Chinese scientists have managed to fit nearly all its genetic material into just one chromosome while not affecting the majority of its functions, according to a paper released Thursday on the website of the journal Nature.Qin Zhongjun, a molecular biologist at the Center for Excellence in Molecular Plant Sciences of the Shanghai Institute of Plant Physiology and Ecology under the Chinese Academy of Sciences, and his team used CRISPR-Cas9 genome-editing to create a single-chromosome yeast strain, the paper said.Yeast is a type of eukaryote, which also includes humans, plants, and animals. Humans have 46 chromosomes, whereas male jack jumper ants have just one. It seems that the number of chromosomes of a eukaryote has no correlation with the amount of genetic information they possess, the paper said."Our research shows that all the genetic information can be concentrated in just one chromosome," Qin said.In the past, researchers had fused two yeast chromosomes together, but no one had ever performed the type of extreme genetic surgery that Qin and his colleagues set out to do several years 。ago.Using the CRISPR-Cas9, Qin's team removed the DNA at the telomeres, the ends of chromosomes that protect them from degrading. They also snipped out the centromeres, sequences in the middle that are important to DNA replication, the paper said.First, they fused two chromosomes, then joined this product to another chromosome, and repeated the process in successive rounds until there was only one chromosome left, it said.Despite the genetic clipping and restructuring, yeast with one "super-chromosome" is similar to natural yeast in cell growth and gene expression, Qin said."It overturns the traditional view that gene expression is determined by the structure of chromosomes," he said.By simplifying a complex genome system, Qin suggested that the research provides a new approach to studying the functions of telomeres.Earlier research found that the length of telomeres is related to early aging, the formation of tumors, and other diseases. Telomeres shorten as a cell splits, but if telomeres cannot shorten anymore, the cell dies."A normal 。yeast genome has 32 telomeres of various lengths. It is too hard to describe each telomere's ch。anges or reactions to drugs. But with only one chromosome and two telomeres, it will be easier to find the patterns," Qin said.The research may also pave the way for new man-made species in the future. "Yeast has great tolerance in genetic modification, and it is possible to add new chromosome segments to the genome. Researchers can make bolder attempts," he said.According to the paper, the change to the chromosome number has little impact on the gene activity. However, the single-chromosome strain produces fewer spores, which a。re reproductive cells for non-flowering plants, bacteria, fungi, and algae, in sexual reproduction."The survival rate of spores produced by a natu。ral yeast strain is 98 percent, while that of ours is 87.5 percent. The gap is not big," Qin said.The paper also said that Jef Boeke, a geneticist at New York University, and his team submitted their outcome for similar research. They condensed the yeast genome into a pair of chromosomes, but could not fuse the pair into one.One explanation for the difference is that Qin's team removed 19 repetitive stretches of DNA. Qin suggested these sequences might have interfered with the mechanism that cells use to fuse two chromosomes into one.The two teams worked independently from each other. 1 2 3 4 5 6 7 8 9 10 Next Page Last Page101 [ Editor: Zhang Zhou ]Chinese scientists perform genetic surgery to create first singleChinese Vice Premier Sun Chunlan, also a member of the Political Bureau of the Communist Party of China Central Com。mittee, visits Suizhou City in central China's Hubei Province, Feb. 16, 2020. Sun is leading a central government team guiding the coronavirus epidemic control work in Hubei. (Xinhua/Xiao Yijiu)WUHAN, Feb. 17 (Xinhua) -- Chinese Vi。ce Premier Sun Chunlan has stressed the importance of prevention in the fight against the novel coronavirus disease (COVID-19) outbreak, noting that the fight will be won only if prevention and control measures are put in place in every community.Sun, 。who is also a member of the Political Bureau of the Communist Party of China Central Committee, is leading a ce。ntral government team guiding the coronavirus epidemic control work in central China's Hubei Province, the center of the outbreak.The guiding team visited local communities, a supermarket, and a backup medical facility as well as medical staff in the province's Suizhou city on Sunday.Sun urged efforts to ensure the supply and distribution of living 。materials for community residents.When learning that there remained a shortage of medical personnel, Sun instructed the national health authorities to immediately send more medics to assist Suizhou.While visiting Wuhan-based Tongji Hospital on Monday, Sun talked with frontline medical personnel and called on them to do everything possible to save lives. [ Editor: WPY ]Chinese vice premier stresses food safety

A visitor takes photos of exhibits during an exhibition of Chinese royal goldware of Ming Dynasty (1368-1644) at the National History Museum of Romania in Bucharest, Romania, Nov. 20, 2019. An exhibition of Chinese royal goldware of Ming Dynasty opened Wednesday at the National History Museum of Romania, on the occasion of the 70th anniversary of China-Romania diplomatic relations. The exhibition "Royal Gold Wares of Wanli Period, Ming Dynasty -- Dong Bo Zhai Collection" is the first collaboration between National History Museum of Romania and a Chinese private museum. All the 145 pieces of goldware, dating from Wanli period (1573-1620) of Ming Dynasty, are the collections of Xi'an Qujiang Museum of Fine Arts. The exhibition, which will be open until March 22, 2020 (Photo by Gabriel Petrescu/Xinhua)BUCHAREST, Nov. 20 (。Xinhua) -- An exhibition of Chinese royal goldware of Ming Dynasty opened Wednesday at the National History Museum of Romania, on the occasion of the 70th anniversary of China-Romania diplomatic relations.The exhibition "Royal Gold Wares of Wanli Period, Ming Dynasty -- Dong Bo Zhai Collection" is the first collaboration between National History Museum of Romania and a Chinese private museum.At its opening ceremony, Chinese Ambassador to Romania Jiang Yu said that "culture is colorful because of communication, and culture is enriched by mutual learning.""It is hoped that the people of the two countries will share the。ir hearts and minds, and jointly build the friendship through cultural excha。nges and mutual understanding," she added.I。rina Cajal, undersecretary of state of the Romanian Culture Ministry, said that cultural exchanges are "the best way" to enhance friendship between the people of the two countries.The exhibition is the second large-scale Chinese exhibition held at the National History Museum after the 2013 "Treasures of China," which gives the Romanian people a chance to appreciate at close range the exquisite craftsmanship of ancient China, and enhance their understanding of China, said Cajal.All the 145 pieces of goldware, dating from Wanli period (1573-1620) of Ming Dynasty, are the collections of。 Xi'an Qujiang Museum of Fine Arts.Zhou Tianyou, director of Qujiang Museum of Fine Arts, said he believes the collections could "play an active role in enhancing the bilateral friendship between China and Romania."The exhibition, which will be open until March 22, 2020, includes ornaments such as the traditional hair pins, earrings and bracelets, vessels used in religious rituals, vessels for serving drinks, sets of baskets with flowers and purely decorative objects, said the Romanian museum. 1 2 3 4 Next Page Last Page41 [ Editor: SRQ ]Chinese royal goldware of Ming Dynasty on display in Romania(2)BEIJING, Dec. 19 (Xinhua) -- Chinese scientists have provided experimental information on the existence and temperature-dependent size of critical ice nuclei for the first time.Water freezing is ubiquitous, but the process of how water turns into ice at the micro level is unknown. Ice nucleation is the controlling step in water freezing and has, for nearly a century, been assumed to require the formation of a critical ice nucleus, according to the classical nucleation theory. But there has been no direct experimental evidence for the existence of such a nucleus, owing to its transient and nanoscale nature.Researchers from the Institute of Chemistry, Chinese Academy of Sciences and the University of the Chinese Academy of Sciences creatively probed the existen。ce of a critical ice nucleus and its size for ice formation with graphene oxide nanosheets.In a paper published in the journal Nature, researchers used different-sized graphene oxide nanosheets to detect the critical size of。 the ice nucleus.They inferred from the experimental data and theoretical calculations that the critical size of the graphene oxide reflects the size of the critical ice nu。cleus, which in the case of sufficiently large graphene oxides sits on their surface and gives rise to ice forma。tion behavior consistent with classical nucleation theory."This experiment can be understood like this: using nanoparticles with a determined size as rulers to measure the critical ice nucleus and continuously reducing the temperature to make the ice nucleus size reach the required critical size. When the ice nucleus size is exactly the same as the size of the nanoparticles, it is easy to form a critical ice nucleus," Wang said.The research has deepened。 the microscopic understanding of water freezing and has also provided important theoretical guidance for the application of artificial ice control. It will play a vital role in the fields of chemical industry, cryobiology and materials science.[ Editor:SRQ ]Chinese scientists confirm existence of critical ice nucleus

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