Catalyst supports have very important effects on catalyst performance.A novel expanded multilayered vermiculite（EML-VMT） is successfully used as the catalyst support for the acetylene hydrochlorination.By mixing car...Catalyst supports have very important effects on catalyst performance.A novel expanded multilayered vermiculite（EML-VMT） is successfully used as the catalyst support for the acetylene hydrochlorination.By mixing carbon on the surface of EML-VMT[i.e.,EML-VMT-C）,the HgCl2/EML-VMT-C achieved a high acetylene conversion of 97.3%,a vinyl chloride selectivity of 100%and a turn over frequency（TOF） value of 8.83 × 10^-3s^-1 at a temperature of 140 C,an acetylene gas hourly space velocity（GHSV） of 108 h^-1,and a feed volume ratio V（HC1）/V（C2H2） of 1.15.Moreover,the HgCl2/EML-VMT-C shows good stability.The EML-VMT also shows potential in the preparation of other EML-VMT-supported catalysts.展开更多
Background Acute normovolemic hemodilution(ANH)was first introduced in glioblastoma surgery,and its role in reducing allogeneic blood transfusion was investigated in this study.Methods This study enrolled supratentori...Background Acute normovolemic hemodilution(ANH)was first introduced in glioblastoma surgery,and its role in reducing allogeneic blood transfusion was investigated in this study.Methods This study enrolled supratentorial glioblastoma patients who received total resection.In the ANH group,the patients were required to draw blood before the operation,and the blood will be transfused back to the patient during the operation.The association between ANH and clinical features was investigated.Results Sixty supratentorial glioblastoma patients were enrolled in this study,25 patients were allocated in the ANH group,and another 35 patients were included in the control group.ANH dramatically reduced the need for allogeneic blood transfusion(3[12%]vs 12[34.3%],P=0.049),and the blood transfusion per total of patients was dramatically decreased by the application of ANH(0.40±1.15 units vs 1.06±1.59 units,P=0.069).Furthermore,ANH also markedly reduced the requirement of fresh frozen plasma(FFP)transfusion(2[8%]vs 11[31.4%],P=0.030)and the volume of FFP transfusion per total of patients(32.00±114.46 mL vs 115.71±181.00 mL,P=0.033).The complication rate was similar between the two groups.Conclusions ANH was a safe and effective blood conservation technique in glioblastoma surgery.展开更多
2022年9月,《韩流!韩流》时尚主题展即将在维多利亚与艾尔伯特博物馆(VICTORIA AND ALBERT MUSEUM)拉开帷幕.本次展览设立"从废墟到智能手机""聚焦韩剧和电影""流行音乐和同人圈""K-beauty与时尚&qu...2022年9月,《韩流!韩流》时尚主题展即将在维多利亚与艾尔伯特博物馆(VICTORIA AND ALBERT MUSEUM)拉开帷幕.本次展览设立"从废墟到智能手机""聚焦韩剧和电影""流行音乐和同人圈""K-beauty与时尚"四大主题,约200件展品,从时尚、戏剧、音乐、文学和电影等领域,展示韩国丰富多彩、充满活力的流行文化,引导观众沉浸式体验自1990年代后期席卷亚洲乃至全球的"韩流"现象."韩流"作为韩国文化产业的代表,在全球范围内输出将近三十年,经久不衰的同时,也形成了独特的流行文化产业的高标准生产模式.在传统与现代、东方与西方等各种碰撞中,迸发出蓬勃强悍的生命力.作为系统梳理韩国流行文化的首展,V&A博物馆的本次展览也表明传统西方文化阵营再也无法忽视这股来自东方的流行力量.展开更多
The Jiangmen Underground Neutrino Observatory(JUNO)is a large liquid scintillator detector designed to explore many topics in fundamental physics.In this study,the potential of searching for proton decay in the p→νK...The Jiangmen Underground Neutrino Observatory(JUNO)is a large liquid scintillator detector designed to explore many topics in fundamental physics.In this study,the potential of searching for proton decay in the p→νK^(+)mode with JUNO is investigated.The kaon and its decay particles feature a clear three-fold coincidence signature that results in a high efficiency for identification.Moreover,the excellent energy resolution of JUNO permits suppression of the sizable background caused by other delayed signals.Based on these advantages,the detection efficiency for the proton decay via p→νK^(+)is 36.9%±4.9%with a background level of 0.2±0.05(syst)±0.2(stat)events after 10 years of data collection.The estimated sensitivity based on 200 kton-years of exposure is 9.6×1033 years,which is competitive with the current best limits on the proton lifetime in this channel and complements the use of different detection technologies.展开更多
基金financially supported by National Natural Science Foundation of China(Nos.21163015,21366027)the Doctor Foundation of Bingtuan(No.2014BB004)+2 种基金the National Basic Research Program of China(973Program,No. 2012CB720300)the Program for Changjiang Scholars,Innovative Research Team in University(No.IRT1161)the Program of Science and Technology Innovation Team in Bingtuan(No.2011CC001)
文摘Catalyst supports have very important effects on catalyst performance.A novel expanded multilayered vermiculite（EML-VMT） is successfully used as the catalyst support for the acetylene hydrochlorination.By mixing carbon on the surface of EML-VMT[i.e.,EML-VMT-C）,the HgCl2/EML-VMT-C achieved a high acetylene conversion of 97.3%,a vinyl chloride selectivity of 100%and a turn over frequency（TOF） value of 8.83 × 10^-3s^-1 at a temperature of 140 C,an acetylene gas hourly space velocity（GHSV） of 108 h^-1,and a feed volume ratio V（HC1）/V（C2H2） of 1.15.Moreover,the HgCl2/EML-VMT-C shows good stability.The EML-VMT also shows potential in the preparation of other EML-VMT-supported catalysts.
基金Fujian Provincial Health Technology Project(No.2021GGA031 to Qing-Song Lin)Natural Science Foundation of Fujian Province(No.2021J05148 to Qing-Song Lin)+2 种基金Fujian Provincial Finance Project(No.BPB-LQS2021 to Qing-Song Lin)Nature Science Foundation of Fujian province(No.2022J01678 to Ping Chen)Project to improve the diagnosis and treatment of intractable diseases of the cerebrovascular and nervous system(No.PT-YNBZW2018)
文摘Background Acute normovolemic hemodilution(ANH)was first introduced in glioblastoma surgery,and its role in reducing allogeneic blood transfusion was investigated in this study.Methods This study enrolled supratentorial glioblastoma patients who received total resection.In the ANH group,the patients were required to draw blood before the operation,and the blood will be transfused back to the patient during the operation.The association between ANH and clinical features was investigated.Results Sixty supratentorial glioblastoma patients were enrolled in this study,25 patients were allocated in the ANH group,and another 35 patients were included in the control group.ANH dramatically reduced the need for allogeneic blood transfusion(3[12%]vs 12[34.3%],P=0.049),and the blood transfusion per total of patients was dramatically decreased by the application of ANH(0.40±1.15 units vs 1.06±1.59 units,P=0.069).Furthermore,ANH also markedly reduced the requirement of fresh frozen plasma(FFP)transfusion(2[8%]vs 11[31.4%],P=0.030)and the volume of FFP transfusion per total of patients(32.00±114.46 mL vs 115.71±181.00 mL,P=0.033).The complication rate was similar between the two groups.Conclusions ANH was a safe and effective blood conservation technique in glioblastoma surgery.
文摘2022年9月,《韩流!韩流》时尚主题展即将在维多利亚与艾尔伯特博物馆(VICTORIA AND ALBERT MUSEUM)拉开帷幕.本次展览设立"从废墟到智能手机""聚焦韩剧和电影""流行音乐和同人圈""K-beauty与时尚"四大主题,约200件展品,从时尚、戏剧、音乐、文学和电影等领域,展示韩国丰富多彩、充满活力的流行文化,引导观众沉浸式体验自1990年代后期席卷亚洲乃至全球的"韩流"现象."韩流"作为韩国文化产业的代表,在全球范围内输出将近三十年,经久不衰的同时,也形成了独特的流行文化产业的高标准生产模式.在传统与现代、东方与西方等各种碰撞中,迸发出蓬勃强悍的生命力.作为系统梳理韩国流行文化的首展,V&A博物馆的本次展览也表明传统西方文化阵营再也无法忽视这股来自东方的流行力量.
基金supported by the Chinese Academy of Sciencesthe National Key R&D Program of China+22 种基金the CAS Center for Excellence in Particle PhysicsWuyi Universitythe Tsung-Dao Lee Institute of Shanghai Jiao Tong University in Chinathe Institut National de Physique Nucléaire et de Physique de Particules (IN2P3) in Francethe Istituto Nazionale di Fisica Nucleare (INFN) in Italythe Italian-Chinese collaborative research program MAECI-NSFCthe Fond de la Recherche Scientifique (F.R.S-FNRS)FWO under the "Excellence of Science-EOS" in Belgiumthe Conselho Nacional de Desenvolvimento Científico e Tecnològico in Brazilthe Agencia Nacional de Investigacion y Desarrollo in Chilethe Charles University Research Centrethe Ministry of Education,Youth,and Sports in Czech Republicthe Deutsche Forschungsgemeinschaft (DFG)the Helmholtz Associationthe Cluster of Excellence PRISMA+ in Germanythe Joint Institute of Nuclear Research (JINR)Lomonosov Moscow State University in Russiathe joint Russian Science Foundation (RSF)National Natural Science Foundation of China (NSFC) research programthe MOST and MOE in Taiwan,Chinathe Chulalongkorn UniversitySuranaree University of Technology in Thailandthe University of California at Irvine in USA
文摘The Jiangmen Underground Neutrino Observatory(JUNO)is a large liquid scintillator detector designed to explore many topics in fundamental physics.In this study,the potential of searching for proton decay in the p→νK^(+)mode with JUNO is investigated.The kaon and its decay particles feature a clear three-fold coincidence signature that results in a high efficiency for identification.Moreover,the excellent energy resolution of JUNO permits suppression of the sizable background caused by other delayed signals.Based on these advantages,the detection efficiency for the proton decay via p→νK^(+)is 36.9%±4.9%with a background level of 0.2±0.05(syst)±0.2(stat)events after 10 years of data collection.The estimated sensitivity based on 200 kton-years of exposure is 9.6×1033 years,which is competitive with the current best limits on the proton lifetime in this channel and complements the use of different detection technologies.
