With abundant labor resources and the increase in policy sup port for economie development and loreign investment, Africa is becoming a new sought-after destination for investment by multinational companics.
China Meteorological Administration (CMA) issued the Annual Repor t on Meteorological Standardization Development (2024) on December 27, 2024.Composed of 6 chapters, the report thoroughly analyzes the development tren...China Meteorological Administration (CMA) issued the Annual Repor t on Meteorological Standardization Development (2024) on December 27, 2024.Composed of 6 chapters, the report thoroughly analyzes the development trend and status of meteorological standardization, its management, construction of meteorological standards system, application of meteorological standards, and basic capacity building of meteorological standardization. Through summarizing the development characteristics, and analyzing the existing problems, it puts forward suggestions for future development.展开更多
Since 2007,the"Doing Business in China"Program in Antai College of Economics&Management at Shanghai Jiao Tong University has been a great success among global business leaders.As one of the world's m...Since 2007,the"Doing Business in China"Program in Antai College of Economics&Management at Shanghai Jiao Tong University has been a great success among global business leaders.As one of the world's most complex and rapidly growing markets in both dollar and percentage terms,global companies in China are faced with dynamic business environments,making it essential for managers to understand cultures and ways of doing business to work efficiently.展开更多
Glial progenitor cells were reported to have the capacity to generate various types of cells in both the central nervous system(CNS)and peripheral nervous system.Glial progenitor cells can respond to diverse environme...Glial progenitor cells were reported to have the capacity to generate various types of cells in both the central nervous system(CNS)and peripheral nervous system.Glial progenitor cells can respond to diverse environmental signals and transform into distinct populations,each serving specific functions.Notably,the adult spinal cord hosts various populations of glial progenitors,a region integral to the central nervous system.During development,glial progenitors express glial fibrillary acidic protein(GFAP;Dimou and Gotz,2014).However,the specific identities of GFAP-expressing progenitors in the adult spinal cord were not thoroughly investigated.展开更多
Guided by SAMR, China's standardization has achieved remarkable results. The State Grid Corporation of China steadily operates the power grid with the highest voltage level, the strongest energy resource allocatio...Guided by SAMR, China's standardization has achieved remarkable results. The State Grid Corporation of China steadily operates the power grid with the highest voltage level, the strongest energy resource allocation capacity, and the largest scale of new energy grid connection. The State Grid thoroughly implements the National Standardization Development Outline, and strengthens the top-level design to build a new pattern of the coordinated development of domestic and international standardization work, which demonstrates the role of standards in supporting the high-quality development of power grid.展开更多
The meeting on the standards internationalization work of advanced manufacturing was recently held in Beijing, with the aim to thoroughly implement the spirits for institutional opening up of the 20th CPC National Con...The meeting on the standards internationalization work of advanced manufacturing was recently held in Beijing, with the aim to thoroughly implement the spirits for institutional opening up of the 20th CPC National Congress, and accelerate improving the internationalization of standards in the field of advanced manufacturing.展开更多
Climate change has become one of the most serious challenges to the sustainable development of mankind,while green and low-carbon development provides a new important stimulus for the global economy.At the China Devel...Climate change has become one of the most serious challenges to the sustainable development of mankind,while green and low-carbon development provides a new important stimulus for the global economy.At the China Development Forum which was held recently,the term"green supply chain"was frequently mentioned.A green supply chain refers to a supply chain that adopts carbon reduction and decarbonization technologies thoroughly.The green supply chain system that China is currently committed to building will greatly contribute to the goal of carbon neutrality in the context of global climate change.展开更多
On September 7,2013,President Xi Jinping proposed the significant initiative of jointly building the Silk Road Economic Belt.On October 3,2013,President Xi proposed the major initiative of jointly building the 21st Ce...On September 7,2013,President Xi Jinping proposed the significant initiative of jointly building the Silk Road Economic Belt.On October 3,2013,President Xi proposed the major initiative of jointly building the 21st Century Maritime Silk Road.Since its inception in the autumn of 2013,the Belt and Road initiative,envisioned as a monumental project carrying the mission of the era,has turned a new page in the global development process.Over the past 11 years,China Petroleum Pipeline Engineering Co.,Ltd.(CPP)has thoroughly implemented the strategic deployment of China National Petroleum Corporation(CNPC),actively fulfilled its corporate responsibilities,and embraced high-quality participation in the Belt and Road Initiative as its mission.By fully leveraging its international advantages,CPP has continuously contributed“pipeline strength”to the high-quality joint construction of the Belt and Road.展开更多
Hi, I’m Jason, an 11-yearold primary school student. I pride myself on being polite and friendly. My favorite subject is English because it’s absolutely fascinating. I thoroughly enjoy my school life.
Several countries have become notable production powers in the global textile market due to their unique advantages and strengths.In 2023,these countries not only occupied a leading position in terms of textile produc...Several countries have become notable production powers in the global textile market due to their unique advantages and strengths.In 2023,these countries not only occupied a leading position in terms of textile production scale,but also showed their unique charm in terms of technological innovation,market layout and foreign trade strategy.By thoroughly understanding the characteristics and advantages of the textile industry in these countries,as well as their performance in foreign trade,we can better grasp the development trends and opportunities of the global textile market.We look forward to these countries continuing to play a leading role in the global textile market and writing a new brilliant chapter.展开更多
Seed germination is associated with grain yield and quality in crop production.Gibberellic acid(GA)serves as a major phytohormone in the promotion of seed germination.It is synthesized in the embryos and transmitted t...Seed germination is associated with grain yield and quality in crop production.Gibberellic acid(GA)serves as a major phytohormone in the promotion of seed germination.It is synthesized in the embryos and transmitted to the aleurone layers,where GA triggers the synthesis and secretion of a set of hydrolases,especiallyα-amylase.Subsequently,the storage nutrients such as starch in the endosperm are digested by these hydrolases and absorbed by the embryo to sustain seed germination and early seedling establishment(Kaneko et al,2002).The detailed GA biosynthesis process has been well studied and thoroughly reviewed in several literatures(Sakamoto et al,2004;Reinecke et al,2013).Briefly,geranylgeranyl diphosphate(GGDP)is turned into ent-kaurene by two terpene synthases,ent-copalyl diphosphate synthase(CPS)and ent-kaurene synthase(KS).Subsequently,the conversion of GA precursor ent-kaurene to ent-kaurenoic acid is catalyzed by ent-kaurene oxidase(KO),and that from ent-kaurenoic acid to GA12 is catalyzed by ent-kaurenoic acid oxidase(KAO).Ultimately,GA12 is converted to various GA intermediates and bioactive GAs by GA20-oxidase(GA20ox)and GA3-oxidase(GA3ox),respectively.展开更多
Potato invertase inhibitor(StInvInh2)positively regulates cold-induced sweetening(CIS)resistance by inhibiting the activity of vacuolar invertase.The distinct expression patterns of StInvInh2 have been thoroughly char...Potato invertase inhibitor(StInvInh2)positively regulates cold-induced sweetening(CIS)resistance by inhibiting the activity of vacuolar invertase.The distinct expression patterns of StInvInh2 have been thoroughly characterized in different potato genotypes,but the related CIS ability has not been characterized.The understanding of the regulatory mechanisms that control StInvInh2 transcription is unclear.In this study,we identified an ERF‐Ⅶ transcription factor,StRAP2.3,that directly regulates StInvInh2 to positively modulate CIS resistance.Acting as a nuclear-localized transcriptional activator,StRAP2.3 directly binds the ACCGAC cis-element in the promoter region of StInvInh2,enabling promoter activity.Overexpression of StRAP2.3 in CIS-sensitive potato tubers induced StInvInh2 mRNA abundance and increased CIS resistance.In contrast,silencing StRAP2.3 in CIS-resistant potato tubers repressed the expression of StInvInh2 and decreased CIS resistance.We conclude that cold-responsive StInvInh2 is due to the binding of StRAP2.3 to the ACCGAC cis-element in the promoter region of StInvInh2.Overall,these findings indicate that StRAP2.3 directly regulates StInvInh2 to positively modulate CIS resistance,which may provide a strategy to improve the processing quality of potatoes.展开更多
A new space era is bringing deployments of thousands of networked assets in near-Earth and deep-space.Delay-Tolerant Networking(DTN)protocols and algorithms such as Contact Graph Routing(CGR)are state-of-the-art techn...A new space era is bringing deployments of thousands of networked assets in near-Earth and deep-space.Delay-Tolerant Networking(DTN)protocols and algorithms such as Contact Graph Routing(CGR)are state-of-the-art technologies certainly capable of achieving this ambitious objective.Nevertheless,in this paper,we highlight and analyze the roots of current scalability limits of CGR,to then propose more efficient alternatives.In particular,we leverage a different graph modeling approach that enables optimizations such as priority queues and spanning-tree searches in the core route determination process.While such abstract data types are difficult to adapt to CGR,we incorporate them into a novel Shortest-Path Tree Approach for Routing in Space Networks(SPSN),which is presented as a compute-efficient alternative.This paper thoroughly describes the SPSN approach including route object modeling,capacity-oriented search,and potential route management techniques.Prototype evaluations analyzed in this paper present significant evidence that SPSN outperforms legacy CGR in more than an order of magnitude in contact plans comprising thousands of contacts.展开更多
Computational bioacoustics is a relatively young research area,yet it has increasingly received attention over the last decade because it can be used in a wide range of appli-cations in a cost-effective manner.This wo...Computational bioacoustics is a relatively young research area,yet it has increasingly received attention over the last decade because it can be used in a wide range of appli-cations in a cost-effective manner.This work focuses on the problem of detecting the novel bird calls and songs associated with various species and individual birds.To this end,variational autoencoders,consisting of deep encoding-decoding networks,are employed.The encoder encompasses a series of convolutional layers leading to a smooth high-level abstraction of log-Mel spectrograms that characterise bird vocalisations.The decoder operates on this latent representation to generate each respective original observation.Novel species/individual detection is carried out by monitoring and thresholding the expected reconstruction probability.We thoroughly evaluate the pro-posed method on two different data sets,including the vocalisations of 11 North American bird species and 16 Athene noctua individuals.展开更多
Structural variants(SVs)are a type of genetic variation that contribute substantially to phenotypic diversity and evolution.Further study of SVs will help us understand the influence of SVs associated with tea quality...Structural variants(SVs)are a type of genetic variation that contribute substantially to phenotypic diversity and evolution.Further study of SVs will help us understand the influence of SVs associated with tea quality and stress resistance and provide new insight into tea plant breeding improvement and genetic research.However,SVs have not been thoroughly discovered in the tea plant genomes.Herein,we constructed a large-scale SV map across a population of 107 resequenced genomes,including both ancient and cultivated tea plants.A total of 44,240 highconfident SVs were identified,including 34,124 DEL(deletions),4,448 DUP(duplications),2,503 INV(inversions),544 INS(insertions)and 2,621 TRA(translocations).In total,12,400 protein-coding genes were overlapped with SVs,of which 49.5%were expressed in all five tea tissues.SVbased analysis of phylogenetic relationships and population structure in tea plants showed a consistent evolutionary history with the SNP-based results.We also identified SVs subject to artificial selection and found that genes under domestication were enriched in metabolic pathways involving theanine and purine alkaloids,biosynthesis of monoterpenoid,phenylpropanoid,fatty acid,and isoflavonoid,contributing to traits of agronomic interest in tea plants.In addition,a total of 27 terpene synthase(TPS)family genes were selected during domestication.These results indicate that these SVs could provide extensive genomic information for tea quality improvement.展开更多
A new linear phased array on a concave cylindrical transducer is designed for meeting the specific requirements of applications for interstitial thermal ablation.Using the array,a focal line can be generated rapidly a...A new linear phased array on a concave cylindrical transducer is designed for meeting the specific requirements of applications for interstitial thermal ablation.Using the array,a focal line can be generated rapidly and the focal position can be adjusted in the proper range without the use of complex mechanical structures.The focused acoustic field distributions in the axial,radial and azimuthal directions of the transducer are investigated theoretically by numerical simulation.Effects of the focal distance,steering angle,element arc-width,arc-space between adjacent elements and number of elements on the acoustic field are also thoroughly studied.Many important results are obtained.展开更多
The region AR 5395 was the largest active region in Mar, 1989. It first appearedfrom solar east limb on Mar. 7th. We saw an 1B class flare with compact structure ofchromospheric faculae at 0830 UT on Mar. 8th. At 0245...The region AR 5395 was the largest active region in Mar, 1989. It first appearedfrom solar east limb on Mar. 7th. We saw an 1B class flare with compact structure ofchromospheric faculae at 0830 UT on Mar. 8th. At 0245 UT, the photo of 2N / M1.8flare was obtained with Hα telescope on 9th, and the bending slim filaments tend to展开更多
After the State Council of China promulgated the Outlines of Chinese Industrial Policy for the 1990s, Ye Qing, vice-minister of the State Planning Commission, briefed this reporter Yah Miao on the background and main ...After the State Council of China promulgated the Outlines of Chinese Industrial Policy for the 1990s, Ye Qing, vice-minister of the State Planning Commission, briefed this reporter Yah Miao on the background and main contents of the outlines. He noted that since the beginning of the 1990s, China’s economy has seen rapid growth, major changes have展开更多
The efficiency and quality of human induced pluripotent stem cell-derived cardiomyocytes(hiPSC CMs)is crucial for regenerative medicine,disease modeling,drug screening and the study of the development events during ca...The efficiency and quality of human induced pluripotent stem cell-derived cardiomyocytes(hiPSC CMs)is crucial for regenerative medicine,disease modeling,drug screening and the study of the development events during cardiac specification.However,their applications have been hampered by the differentiation efficiency,poor maturation and high interline variability.Recent studies have reported that histamine plays important roles in hema topoietic stem cell proliferation and neutrophil maturation.However,its roles in cardiovascular tissue regeneration have not been thoroughly investigated.In the current study,we identified a novel physiological function of the histamine/histamine 1 receptor(H,R)signal in regulating the differentiation of hiPSC-CMs and heart development.展开更多
CCPIT CCPIT Annual Meeting 2020 Opens in Beijing The CCPIT Annual Meeting 2020 was convened in Beijing on February 2.The meeting,following the guidance of Xi Jinping’s Thoughts on Socialism with Chinese Characteristi...CCPIT CCPIT Annual Meeting 2020 Opens in Beijing The CCPIT Annual Meeting 2020 was convened in Beijing on February 2.The meeting,following the guidance of Xi Jinping’s Thoughts on Socialism with Chinese Characteristics for a New Era,and which was tasked with thoroughly implementing the principles of the Party’s 19th National Congress and the second,third,fourth and fifth plenary sessions of the 19th Central Committee,and earnestly putting into practice the arrangements of the Central Economic Work Conference,reviewed the annual performance of the China Council for the Promotion of International Trade(CCPIT)in terms of trade promotion during 2020,and deployed key tasks for 2021.CCPIT Chairperson Gao Yan delivered the keynote speech at the meeting,which was moderated by Vice Chairman Lu Pengqi.展开更多
文摘With abundant labor resources and the increase in policy sup port for economie development and loreign investment, Africa is becoming a new sought-after destination for investment by multinational companics.
文摘China Meteorological Administration (CMA) issued the Annual Repor t on Meteorological Standardization Development (2024) on December 27, 2024.Composed of 6 chapters, the report thoroughly analyzes the development trend and status of meteorological standardization, its management, construction of meteorological standards system, application of meteorological standards, and basic capacity building of meteorological standardization. Through summarizing the development characteristics, and analyzing the existing problems, it puts forward suggestions for future development.
文摘Since 2007,the"Doing Business in China"Program in Antai College of Economics&Management at Shanghai Jiao Tong University has been a great success among global business leaders.As one of the world's most complex and rapidly growing markets in both dollar and percentage terms,global companies in China are faced with dynamic business environments,making it essential for managers to understand cultures and ways of doing business to work efficiently.
基金supported by grants from the NIH,United States (R01AG078728-01 and R21NS113068)Fund-the UTHSC Senator Lloyd and B.A.Bentsen Center for Stroke Research (to JQW)。
文摘Glial progenitor cells were reported to have the capacity to generate various types of cells in both the central nervous system(CNS)and peripheral nervous system.Glial progenitor cells can respond to diverse environmental signals and transform into distinct populations,each serving specific functions.Notably,the adult spinal cord hosts various populations of glial progenitors,a region integral to the central nervous system.During development,glial progenitors express glial fibrillary acidic protein(GFAP;Dimou and Gotz,2014).However,the specific identities of GFAP-expressing progenitors in the adult spinal cord were not thoroughly investigated.
文摘Guided by SAMR, China's standardization has achieved remarkable results. The State Grid Corporation of China steadily operates the power grid with the highest voltage level, the strongest energy resource allocation capacity, and the largest scale of new energy grid connection. The State Grid thoroughly implements the National Standardization Development Outline, and strengthens the top-level design to build a new pattern of the coordinated development of domestic and international standardization work, which demonstrates the role of standards in supporting the high-quality development of power grid.
文摘The meeting on the standards internationalization work of advanced manufacturing was recently held in Beijing, with the aim to thoroughly implement the spirits for institutional opening up of the 20th CPC National Congress, and accelerate improving the internationalization of standards in the field of advanced manufacturing.
文摘Climate change has become one of the most serious challenges to the sustainable development of mankind,while green and low-carbon development provides a new important stimulus for the global economy.At the China Development Forum which was held recently,the term"green supply chain"was frequently mentioned.A green supply chain refers to a supply chain that adopts carbon reduction and decarbonization technologies thoroughly.The green supply chain system that China is currently committed to building will greatly contribute to the goal of carbon neutrality in the context of global climate change.
文摘On September 7,2013,President Xi Jinping proposed the significant initiative of jointly building the Silk Road Economic Belt.On October 3,2013,President Xi proposed the major initiative of jointly building the 21st Century Maritime Silk Road.Since its inception in the autumn of 2013,the Belt and Road initiative,envisioned as a monumental project carrying the mission of the era,has turned a new page in the global development process.Over the past 11 years,China Petroleum Pipeline Engineering Co.,Ltd.(CPP)has thoroughly implemented the strategic deployment of China National Petroleum Corporation(CNPC),actively fulfilled its corporate responsibilities,and embraced high-quality participation in the Belt and Road Initiative as its mission.By fully leveraging its international advantages,CPP has continuously contributed“pipeline strength”to the high-quality joint construction of the Belt and Road.
文摘Hi, I’m Jason, an 11-yearold primary school student. I pride myself on being polite and friendly. My favorite subject is English because it’s absolutely fascinating. I thoroughly enjoy my school life.
文摘Several countries have become notable production powers in the global textile market due to their unique advantages and strengths.In 2023,these countries not only occupied a leading position in terms of textile production scale,but also showed their unique charm in terms of technological innovation,market layout and foreign trade strategy.By thoroughly understanding the characteristics and advantages of the textile industry in these countries,as well as their performance in foreign trade,we can better grasp the development trends and opportunities of the global textile market.We look forward to these countries continuing to play a leading role in the global textile market and writing a new brilliant chapter.
基金the National Natural Science Foundation of China(Grant No.31701395)the special research funds for the Central Public Research Institute of the China National Rice Research Institute(Grant No.2017RG002-5)the special research funds of State Key Laboratory of Rice Biology(Grant No.2017ZZKT10105).
文摘Seed germination is associated with grain yield and quality in crop production.Gibberellic acid(GA)serves as a major phytohormone in the promotion of seed germination.It is synthesized in the embryos and transmitted to the aleurone layers,where GA triggers the synthesis and secretion of a set of hydrolases,especiallyα-amylase.Subsequently,the storage nutrients such as starch in the endosperm are digested by these hydrolases and absorbed by the embryo to sustain seed germination and early seedling establishment(Kaneko et al,2002).The detailed GA biosynthesis process has been well studied and thoroughly reviewed in several literatures(Sakamoto et al,2004;Reinecke et al,2013).Briefly,geranylgeranyl diphosphate(GGDP)is turned into ent-kaurene by two terpene synthases,ent-copalyl diphosphate synthase(CPS)and ent-kaurene synthase(KS).Subsequently,the conversion of GA precursor ent-kaurene to ent-kaurenoic acid is catalyzed by ent-kaurene oxidase(KO),and that from ent-kaurenoic acid to GA12 is catalyzed by ent-kaurenoic acid oxidase(KAO).Ultimately,GA12 is converted to various GA intermediates and bioactive GAs by GA20-oxidase(GA20ox)and GA3-oxidase(GA3ox),respectively.
基金the National Natural Science Foundation of China(31571728)the Chongqing Technology Innovation and Application Development Project(cstc2019jscx-gksbX0157)+1 种基金the Fundamental Research Funds for the Central Universities(XDJK2019D023)the National Key Research and Development Program(2018YFE0127900).
文摘Potato invertase inhibitor(StInvInh2)positively regulates cold-induced sweetening(CIS)resistance by inhibiting the activity of vacuolar invertase.The distinct expression patterns of StInvInh2 have been thoroughly characterized in different potato genotypes,but the related CIS ability has not been characterized.The understanding of the regulatory mechanisms that control StInvInh2 transcription is unclear.In this study,we identified an ERF‐Ⅶ transcription factor,StRAP2.3,that directly regulates StInvInh2 to positively modulate CIS resistance.Acting as a nuclear-localized transcriptional activator,StRAP2.3 directly binds the ACCGAC cis-element in the promoter region of StInvInh2,enabling promoter activity.Overexpression of StRAP2.3 in CIS-sensitive potato tubers induced StInvInh2 mRNA abundance and increased CIS resistance.In contrast,silencing StRAP2.3 in CIS-resistant potato tubers repressed the expression of StInvInh2 and decreased CIS resistance.We conclude that cold-responsive StInvInh2 is due to the binding of StRAP2.3 to the ACCGAC cis-element in the promoter region of StInvInh2.Overall,these findings indicate that StRAP2.3 directly regulates StInvInh2 to positively modulate CIS resistance,which may provide a strategy to improve the processing quality of potatoes.
文摘A new space era is bringing deployments of thousands of networked assets in near-Earth and deep-space.Delay-Tolerant Networking(DTN)protocols and algorithms such as Contact Graph Routing(CGR)are state-of-the-art technologies certainly capable of achieving this ambitious objective.Nevertheless,in this paper,we highlight and analyze the roots of current scalability limits of CGR,to then propose more efficient alternatives.In particular,we leverage a different graph modeling approach that enables optimizations such as priority queues and spanning-tree searches in the core route determination process.While such abstract data types are difficult to adapt to CGR,we incorporate them into a novel Shortest-Path Tree Approach for Routing in Space Networks(SPSN),which is presented as a compute-efficient alternative.This paper thoroughly describes the SPSN approach including route object modeling,capacity-oriented search,and potential route management techniques.Prototype evaluations analyzed in this paper present significant evidence that SPSN outperforms legacy CGR in more than an order of magnitude in contact plans comprising thousands of contacts.
基金This work was carried out within the project automatIc aNalySis of comPlex evovlIng auditoRy scEnes(INSPIRE)funded by the Piano Sostegno alla Ricerca of University of Milan.
文摘Computational bioacoustics is a relatively young research area,yet it has increasingly received attention over the last decade because it can be used in a wide range of appli-cations in a cost-effective manner.This work focuses on the problem of detecting the novel bird calls and songs associated with various species and individual birds.To this end,variational autoencoders,consisting of deep encoding-decoding networks,are employed.The encoder encompasses a series of convolutional layers leading to a smooth high-level abstraction of log-Mel spectrograms that characterise bird vocalisations.The decoder operates on this latent representation to generate each respective original observation.Novel species/individual detection is carried out by monitoring and thresholding the expected reconstruction probability.We thoroughly evaluate the pro-posed method on two different data sets,including the vocalisations of 11 North American bird species and 16 Athene noctua individuals.
基金supported by Shenzhen Science and Technology Program(Grant No.RCYX20210706092103024)two projects funded by the State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops(No.SKL2018001 to X.Z.and No.SKL20190012 to H.Z.)。
文摘Structural variants(SVs)are a type of genetic variation that contribute substantially to phenotypic diversity and evolution.Further study of SVs will help us understand the influence of SVs associated with tea quality and stress resistance and provide new insight into tea plant breeding improvement and genetic research.However,SVs have not been thoroughly discovered in the tea plant genomes.Herein,we constructed a large-scale SV map across a population of 107 resequenced genomes,including both ancient and cultivated tea plants.A total of 44,240 highconfident SVs were identified,including 34,124 DEL(deletions),4,448 DUP(duplications),2,503 INV(inversions),544 INS(insertions)and 2,621 TRA(translocations).In total,12,400 protein-coding genes were overlapped with SVs,of which 49.5%were expressed in all five tea tissues.SVbased analysis of phylogenetic relationships and population structure in tea plants showed a consistent evolutionary history with the SNP-based results.We also identified SVs subject to artificial selection and found that genes under domestication were enriched in metabolic pathways involving theanine and purine alkaloids,biosynthesis of monoterpenoid,phenylpropanoid,fatty acid,and isoflavonoid,contributing to traits of agronomic interest in tea plants.In addition,a total of 27 terpene synthase(TPS)family genes were selected during domestication.These results indicate that these SVs could provide extensive genomic information for tea quality improvement.
基金Supported in part by the National Natural Science Foundation of China under Grant No.30772072Zhonghui Medical Technology Company of Jiangsu,China.
文摘A new linear phased array on a concave cylindrical transducer is designed for meeting the specific requirements of applications for interstitial thermal ablation.Using the array,a focal line can be generated rapidly and the focal position can be adjusted in the proper range without the use of complex mechanical structures.The focused acoustic field distributions in the axial,radial and azimuthal directions of the transducer are investigated theoretically by numerical simulation.Effects of the focal distance,steering angle,element arc-width,arc-space between adjacent elements and number of elements on the acoustic field are also thoroughly studied.Many important results are obtained.
文摘The region AR 5395 was the largest active region in Mar, 1989. It first appearedfrom solar east limb on Mar. 7th. We saw an 1B class flare with compact structure ofchromospheric faculae at 0830 UT on Mar. 8th. At 0245 UT, the photo of 2N / M1.8flare was obtained with Hα telescope on 9th, and the bending slim filaments tend to
文摘After the State Council of China promulgated the Outlines of Chinese Industrial Policy for the 1990s, Ye Qing, vice-minister of the State Planning Commission, briefed this reporter Yah Miao on the background and main contents of the outlines. He noted that since the beginning of the 1990s, China’s economy has seen rapid growth, major changes have
文摘The efficiency and quality of human induced pluripotent stem cell-derived cardiomyocytes(hiPSC CMs)is crucial for regenerative medicine,disease modeling,drug screening and the study of the development events during cardiac specification.However,their applications have been hampered by the differentiation efficiency,poor maturation and high interline variability.Recent studies have reported that histamine plays important roles in hema topoietic stem cell proliferation and neutrophil maturation.However,its roles in cardiovascular tissue regeneration have not been thoroughly investigated.In the current study,we identified a novel physiological function of the histamine/histamine 1 receptor(H,R)signal in regulating the differentiation of hiPSC-CMs and heart development.
文摘CCPIT CCPIT Annual Meeting 2020 Opens in Beijing The CCPIT Annual Meeting 2020 was convened in Beijing on February 2.The meeting,following the guidance of Xi Jinping’s Thoughts on Socialism with Chinese Characteristics for a New Era,and which was tasked with thoroughly implementing the principles of the Party’s 19th National Congress and the second,third,fourth and fifth plenary sessions of the 19th Central Committee,and earnestly putting into practice the arrangements of the Central Economic Work Conference,reviewed the annual performance of the China Council for the Promotion of International Trade(CCPIT)in terms of trade promotion during 2020,and deployed key tasks for 2021.CCPIT Chairperson Gao Yan delivered the keynote speech at the meeting,which was moderated by Vice Chairman Lu Pengqi.
