The Northeastern margin of Qinghai—Tibet plateau,here refers to the region bounded by Western Qinling fault zone and Longshoushan—Liupanshan tectonic zone, where obliquely compression deformation occurred with the N...The Northeastern margin of Qinghai—Tibet plateau,here refers to the region bounded by Western Qinling fault zone and Longshoushan—Liupanshan tectonic zone, where obliquely compression deformation occurred with the NE\|trending maximum principle axis of stress, with Ordos Massif to the east, Alaxa Block to the north, and Qinghai—Tibet plateau to the southwest. The main structure in this region is Haiyuan—Gulang transpression zone. It consists of a series of active faults: the Haiyuan fault zone, the Tianjingshan fault zone, the Yantongshan fault zone and the Niushoushan—Luoshan fault zone.展开更多
The journal Chemical Research in Chinese Universities is a comprehensive academic journal in the field of chemistry,published bimonthly since 1984.The journal publishes research articles,letters/communications and rev...The journal Chemical Research in Chinese Universities is a comprehensive academic journal in the field of chemistry,published bimonthly since 1984.The journal publishes research articles,letters/communications and reviews written by faculty members,researchers and postgraduates in universities,colleges and research institutes all over China and overseas.It reports the latest and the most creative results of important fundamental research in all aspects of chemistry and of developments with significant consequences across sub-disciplines.This journal is sponsored by Jilin University and mandated by the Ministry of Education of P.R.China.展开更多
The journal Chemical Research in Chinese Universities is a comprehensive academic journal in the field of chemistry,published bimonthly since 1984.The journal publishes research articles,letters/communications and rev...The journal Chemical Research in Chinese Universities is a comprehensive academic journal in the field of chemistry,published bimonthly since 1984.The journal publishes research articles,letters/communications and reviews written by faculty members,researchers and postgraduates in universities,colleges and research institutes all over China and overseas.It reports the latest and the most creative results of important fundamental research in all aspects of chemistry and of developments with significant consequences across sub-disciplines.This journal is sponsored by Jilin University and mandated by the Ministry of Education of P.R.China.展开更多
The journal Chemical Research in Chinese Universities is a comprehensive academic journal in the field of chemistry,published bimonthly since 1984.The journal publishes research articles,letters/communications and rev...The journal Chemical Research in Chinese Universities is a comprehensive academic journal in the field of chemistry,published bimonthly since 1984.The journal publishes research articles,letters/communications and reviews written by faculty members,researchers and postgraduates in universities,colleges and research institutes all over China and overseas.It reports the latest and the most creative results of important fundamental research in all aspects of chemistry and of developments with significant consequences across sub-disciplines.This journal is sponsored by Jilin University and mandated by the Ministry of Education of P.R.China.展开更多
Introduction Post-traumatic osteoarthritis(PTOA)is a long-term adverse consequence of joint trauma,e.g.,meniscus or ligament tears,which are among the most common injuries for young adults with excessive physical acti...Introduction Post-traumatic osteoarthritis(PTOA)is a long-term adverse consequence of joint trauma,e.g.,meniscus or ligament tears,which are among the most common injuries for young adults with excessive physical activities,such as athletes and military employees.Currently,few preventive treatments exist for PTOA,with typical outcomes being gradual cartilage degeneration and eventual loss of joint function.Apoptosis and altered etabolism of chondrocytes,the sole cell type in cartilage,may be responsible for the development of PTOA in a subset of patients without traumatic cartilage destruction but with persistent altered joint loading post-trauma,which is the focus of this study.展开更多
Endothelial dysfunction,caused by declining impact of endothelium-derived relaxing factors and/or exaggerated production and activity of endothelium-derived contracting factors in the vascular wall,is the common conse...Endothelial dysfunction,caused by declining impact of endothelium-derived relaxing factors and/or exaggerated production and activity of endothelium-derived contracting factors in the vascular wall,is the common consequence of diabetes and hypertension.The degree of endothelial dysfunction predicts future cardiovascular outcomes.We have examined the cellular mechanisms involved in展开更多
The subjection function of the fuzzy quantity is bell like,which is on the base of the theory;but during the course of the control,each fuzzy grade should be predigested into a triangle of W=4.
“Chemical Research in Chinese Universities”(English Edition),sponsored by Jilin University mandated by the Ministry of Education of P.R.China and published by Higher Education Press in 1984,is a comprehensive academ...“Chemical Research in Chinese Universities”(English Edition),sponsored by Jilin University mandated by the Ministry of Education of P.R.China and published by Higher Education Press in 1984,is a comprehensive academic journal in the field of chemistry.The journal contains original papers,letters,reviews,and highlight written by faculty members,scientific researchers,postgraduates and graduate students of universities and colleges,and scientific institutes all over China and the world,and reports the latest and most creative results of important fundamental research in all aspects of chemistry and of developments with significant consequences across subdisciplines.展开更多
Impact of the Coarse Indoor Non-radioactive Aerosols on the Background Radon Progenies’Compensation of a Continuous Air Monitor Gwena l Hoarau 1,Grégoire Dougniaux 1,Fran ois Gensdarmes 1,Philippe Cassette 2,Gil...Impact of the Coarse Indoor Non-radioactive Aerosols on the Background Radon Progenies’Compensation of a Continuous Air Monitor Gwena l Hoarau 1,Grégoire Dougniaux 1,Fran ois Gensdarmes 1,Philippe Cassette 2,Gilles Ranchoux 3(1.Institut de Radioprotection et de S retéNucléaire(IRSN),PSN-RES,SCA,Laboratoire de physique et mérologie des aérosols(LPMA),Gif-sur-Yvette,91192.France;2.Commissariatàl'nergie Atomique et aux nergies Alternatives(CEA),LIST,Laboratoire National Henri Becquerel(LNE-LNHB),Saclay,91191,France;3.lecricitéde France(EDF),Direction des Projets Déconstruction-Déchets(DP2D),Lyon,69006,France)Abstract:This paper addresses the problem of false positive alarm when using a continuous air monitor(CAM)in decommissioning sites of nuclear facilities.CAMs are used to measure airborne activity and play an important role in the radiation protection of workers likely to be exposed to radioactive aerosols.Monitors usually sample aerosols on a membrane filter.Radioactive particles sampled are detected through the alpha and beta decays that they emit.These latter ionizing particles are measured online by spectrometry thanks to a Passivated Implanted Planar Silicon detector(PIPS).Alpha and beta decays,in this context,come mainly from the natural radon progeny(218 Po,214 Pb,and so on)and,in the case of radioactive contamination,also from artificial radionuclides such as 239 Pu or 137 Cs.The aim of the CAM is to alert the workers when the artificial airborne activity occurs,always considering the presence of a variable background due to the natural particulate airborne activity.The CAM-specific algorithm considers this background dynamically and continuously,often by using a constant parameter.However,non-radioactive aerosols are also sampled on the membrane filter.These latter make the discrimination more difficult as they lead to the deterioration of the alpha-energy spectrum.In this paper,the effect of coarse non-radioactive aerosols on the CAM response is highlighted with four aerosol size-distributions.The evolution of the background is characterized as a function of the aerosol mass sampled,with the example of a simple algorithm.Thus,in this paper,results show a positive correlation of the background with the aerosol mass sampled by the CAM.In addition,results highlight at least two different evolutionary trends according to the aerosol size distribution.An explanation of these evolutions is given by considering the penetration profile of the natural radioactive aerosols in the granular deposit above the CAM filter.The main consequence of these results is that the background could not be considered as proportional to radon progeny as it is currently used.展开更多
Development and Validation of a New Domestic Software for Dose Assessment during Normal and Accident Conditions in Nuclear Power Plants(NPPS)Ali Haghighi Shad 1,Darioush Masti 2,Mitra Athari Allaf 1,Kamran Sepanloo 3,...Development and Validation of a New Domestic Software for Dose Assessment during Normal and Accident Conditions in Nuclear Power Plants(NPPS)Ali Haghighi Shad 1,Darioush Masti 2,Mitra Athari Allaf 1,Kamran Sepanloo 3,Seyed Amir Hossein Feghhi 4(1.Department of Nuclear Engineering,Science and Research Branch,Islamic Azad University,Tehran,Iran;2.Department of Nuclear Engineering,Bushehr Branch,Islamic Azad University,Boushehr,Iran;3.Reactor and Nuclear Safety School,Nuclear Science and Technology Research Institute(NSTRI),Tehran,Iran;4.Department of Radiation Application,Shahid Beheshti University,Tehran,Iran)Abstract:In this research,a comprehensive code called KIANA is developed based on the Gaussian plume model to simulate and predict the radiological consequences received through all the possible,reasonable,probable,and standard exposure pathways for NPPs and chemical facilities.To validate the KIANA code,a case study is modeled for Bushehr Nuclear Power Plant Unit One(BNPP-1),and the KIANA code results are compared with the results of the Final Safety Analysis Report(FSAR-2017)data of BNPP-1.To assess the performance of the KIANA code,the total dose due to the airborne pathway in accident conditions including small break LOCA(SBLOCA),large break LOCA(LBLOCA),and equivalent exposure dose for the thyroid gland of a group of infants and children age 1 to 8 y at BNPP-1,are investigated.The KIANA code results show that the total effective doses do not exceed the regulatory limit of 5 mSv for external and internal exposures and the regulatory limit of 50 mSv for thyroid equivalent dose.The KIANA code results indicate good agreement with the results of FSAR-2017.展开更多
文摘The Northeastern margin of Qinghai—Tibet plateau,here refers to the region bounded by Western Qinling fault zone and Longshoushan—Liupanshan tectonic zone, where obliquely compression deformation occurred with the NE\|trending maximum principle axis of stress, with Ordos Massif to the east, Alaxa Block to the north, and Qinghai—Tibet plateau to the southwest. The main structure in this region is Haiyuan—Gulang transpression zone. It consists of a series of active faults: the Haiyuan fault zone, the Tianjingshan fault zone, the Yantongshan fault zone and the Niushoushan—Luoshan fault zone.
文摘The journal Chemical Research in Chinese Universities is a comprehensive academic journal in the field of chemistry,published bimonthly since 1984.The journal publishes research articles,letters/communications and reviews written by faculty members,researchers and postgraduates in universities,colleges and research institutes all over China and overseas.It reports the latest and the most creative results of important fundamental research in all aspects of chemistry and of developments with significant consequences across sub-disciplines.This journal is sponsored by Jilin University and mandated by the Ministry of Education of P.R.China.
文摘The journal Chemical Research in Chinese Universities is a comprehensive academic journal in the field of chemistry,published bimonthly since 1984.The journal publishes research articles,letters/communications and reviews written by faculty members,researchers and postgraduates in universities,colleges and research institutes all over China and overseas.It reports the latest and the most creative results of important fundamental research in all aspects of chemistry and of developments with significant consequences across sub-disciplines.This journal is sponsored by Jilin University and mandated by the Ministry of Education of P.R.China.
文摘The journal Chemical Research in Chinese Universities is a comprehensive academic journal in the field of chemistry,published bimonthly since 1984.The journal publishes research articles,letters/communications and reviews written by faculty members,researchers and postgraduates in universities,colleges and research institutes all over China and overseas.It reports the latest and the most creative results of important fundamental research in all aspects of chemistry and of developments with significant consequences across sub-disciplines.This journal is sponsored by Jilin University and mandated by the Ministry of Education of P.R.China.
基金supported by NIH P30GM103333 grantNIH 1R01AR054385-01A grant+1 种基金NASA/EPSCoR Seed Grant ProgramMusculoskeletal Transplant Foundation
文摘Introduction Post-traumatic osteoarthritis(PTOA)is a long-term adverse consequence of joint trauma,e.g.,meniscus or ligament tears,which are among the most common injuries for young adults with excessive physical activities,such as athletes and military employees.Currently,few preventive treatments exist for PTOA,with typical outcomes being gradual cartilage degeneration and eventual loss of joint function.Apoptosis and altered etabolism of chondrocytes,the sole cell type in cartilage,may be responsible for the development of PTOA in a subset of patients without traumatic cartilage destruction but with persistent altered joint loading post-trauma,which is the focus of this study.
文摘Endothelial dysfunction,caused by declining impact of endothelium-derived relaxing factors and/or exaggerated production and activity of endothelium-derived contracting factors in the vascular wall,is the common consequence of diabetes and hypertension.The degree of endothelial dysfunction predicts future cardiovascular outcomes.We have examined the cellular mechanisms involved in
文摘The subjection function of the fuzzy quantity is bell like,which is on the base of the theory;but during the course of the control,each fuzzy grade should be predigested into a triangle of W=4.
文摘“Chemical Research in Chinese Universities”(English Edition),sponsored by Jilin University mandated by the Ministry of Education of P.R.China and published by Higher Education Press in 1984,is a comprehensive academic journal in the field of chemistry.The journal contains original papers,letters,reviews,and highlight written by faculty members,scientific researchers,postgraduates and graduate students of universities and colleges,and scientific institutes all over China and the world,and reports the latest and most creative results of important fundamental research in all aspects of chemistry and of developments with significant consequences across subdisciplines.
文摘Impact of the Coarse Indoor Non-radioactive Aerosols on the Background Radon Progenies’Compensation of a Continuous Air Monitor Gwena l Hoarau 1,Grégoire Dougniaux 1,Fran ois Gensdarmes 1,Philippe Cassette 2,Gilles Ranchoux 3(1.Institut de Radioprotection et de S retéNucléaire(IRSN),PSN-RES,SCA,Laboratoire de physique et mérologie des aérosols(LPMA),Gif-sur-Yvette,91192.France;2.Commissariatàl'nergie Atomique et aux nergies Alternatives(CEA),LIST,Laboratoire National Henri Becquerel(LNE-LNHB),Saclay,91191,France;3.lecricitéde France(EDF),Direction des Projets Déconstruction-Déchets(DP2D),Lyon,69006,France)Abstract:This paper addresses the problem of false positive alarm when using a continuous air monitor(CAM)in decommissioning sites of nuclear facilities.CAMs are used to measure airborne activity and play an important role in the radiation protection of workers likely to be exposed to radioactive aerosols.Monitors usually sample aerosols on a membrane filter.Radioactive particles sampled are detected through the alpha and beta decays that they emit.These latter ionizing particles are measured online by spectrometry thanks to a Passivated Implanted Planar Silicon detector(PIPS).Alpha and beta decays,in this context,come mainly from the natural radon progeny(218 Po,214 Pb,and so on)and,in the case of radioactive contamination,also from artificial radionuclides such as 239 Pu or 137 Cs.The aim of the CAM is to alert the workers when the artificial airborne activity occurs,always considering the presence of a variable background due to the natural particulate airborne activity.The CAM-specific algorithm considers this background dynamically and continuously,often by using a constant parameter.However,non-radioactive aerosols are also sampled on the membrane filter.These latter make the discrimination more difficult as they lead to the deterioration of the alpha-energy spectrum.In this paper,the effect of coarse non-radioactive aerosols on the CAM response is highlighted with four aerosol size-distributions.The evolution of the background is characterized as a function of the aerosol mass sampled,with the example of a simple algorithm.Thus,in this paper,results show a positive correlation of the background with the aerosol mass sampled by the CAM.In addition,results highlight at least two different evolutionary trends according to the aerosol size distribution.An explanation of these evolutions is given by considering the penetration profile of the natural radioactive aerosols in the granular deposit above the CAM filter.The main consequence of these results is that the background could not be considered as proportional to radon progeny as it is currently used.
文摘Development and Validation of a New Domestic Software for Dose Assessment during Normal and Accident Conditions in Nuclear Power Plants(NPPS)Ali Haghighi Shad 1,Darioush Masti 2,Mitra Athari Allaf 1,Kamran Sepanloo 3,Seyed Amir Hossein Feghhi 4(1.Department of Nuclear Engineering,Science and Research Branch,Islamic Azad University,Tehran,Iran;2.Department of Nuclear Engineering,Bushehr Branch,Islamic Azad University,Boushehr,Iran;3.Reactor and Nuclear Safety School,Nuclear Science and Technology Research Institute(NSTRI),Tehran,Iran;4.Department of Radiation Application,Shahid Beheshti University,Tehran,Iran)Abstract:In this research,a comprehensive code called KIANA is developed based on the Gaussian plume model to simulate and predict the radiological consequences received through all the possible,reasonable,probable,and standard exposure pathways for NPPs and chemical facilities.To validate the KIANA code,a case study is modeled for Bushehr Nuclear Power Plant Unit One(BNPP-1),and the KIANA code results are compared with the results of the Final Safety Analysis Report(FSAR-2017)data of BNPP-1.To assess the performance of the KIANA code,the total dose due to the airborne pathway in accident conditions including small break LOCA(SBLOCA),large break LOCA(LBLOCA),and equivalent exposure dose for the thyroid gland of a group of infants and children age 1 to 8 y at BNPP-1,are investigated.The KIANA code results show that the total effective doses do not exceed the regulatory limit of 5 mSv for external and internal exposures and the regulatory limit of 50 mSv for thyroid equivalent dose.The KIANA code results indicate good agreement with the results of FSAR-2017.
