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Geoeffectiveness of the coronal mass ejections associated with solar proton events

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Research in Astronomy and Astrophysics 2016年第1期16卷 117-128页

作者： Gui-Ming Le Chuan Li yu-Hua Tang Liu-Guan Ding zhi-Qiang Yin yu-Lin Chen Yang-Ping Lu Min-Hao Chen Zhong-Yi Li Key Laboratory of Space Weather National Center for Space Weather China Meteorological Administration Beijing 100081 China School of Astronomy and Space Science Nanjing University Xianlin Campus Nanjing 210046 China National Astronomical Observatories Chinese Academy of-Sciences Beijing 100012 China School of Mathematics and Statistics Nanjing University of Information Science and Technology Nanjing 210044China

The intensity-time profiles of solar proton events（SPEs） are grouped into three types in the present study. The Type-I means that the intensity-time profile of an SPE has one peak, which occurs shortly after the associated solar flare and coronal mass ejection（CME）. The Type-II means that the SPE profile has two peaks： the first peak occurs shortly after the solar eruption, the second peak occurs at the time when the CME-driven shock reaches the Earth, and the intensity of the second peak is lower than the first *** the intensity of the second peak is higher than the first one, or the SPE intensity increases continuously until the CME-driven shock reaches the Earth, this kind of intensity-time profile is defined as Type-III. It is found that most CMEs associated with Type-I SPEs have no geoeffectiveness and only a small part of CMEs associated with Type-I SPEs can produce minor（–50 n T ≤ Dst ≤–30 n T） or moderate geomagnetic storms（–100 n T≤ Dst ≤–50 n T）, but never an intense geomagnetic storm（–200 n T ≤ Dst 〈-100 n T）. However,most of the CMEs associated with Type-II and Type-III SPEs can produce intense or great geomagnetic storms（Dst ≤-200 n T）. The solar wind structures responsible for the geomagnetic storms associated with SPEs with different intensity-time profiles have also been investigated and discussed.

关键词： Sun: coronal mass ejections (CMEs) -- Sun: particle emission -- Sun: solar-terrestrial rela- tions

Runx3 might participate in regulating dendriti cell function in patients with irritable bowel syndrome

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Asian Pacific Journal of Tropical Medicine 2014年第9期7卷 754-756页

作者： Hua-zhi Wu Man-Ni Cai yu An Cheng Lan Jia-Li Wei Xiao-Ning Sun Ningxia Medical University Department of Gastroenterology Ningxia People's Hospital Department of Gastroenterology Hainan Provincial People's Hospital

Objective:To evaluate the expression levels and correlations among the expressions of transforming growth factor-β1（TGF-β1）,Kunx3 and CD83 in colonic mucosal specimens from IBS ***:A total of 40 patients were selected,who were confirmed as IBS by Rome III standard and 40 healthy volunteers served as *** mucosal specimens of each subject were collected from colon sigmoideum with biopsy ***3,TGF-β1?and CD83(the marker for immunecompetent mature dendritic cells（DCs）mRNA in the sigmoid colon tissue were measured by real-time fluorescence quantitative ***:Compared with the control group,CD83 mRNA expressions were higher in patients with IBS than in healthy controls（P0.05）.Conclusions:The increase of abnormal dendritic cells might influence the occurrence and development of ***-β1 signal pathway might not be involved in Runx 3-regulated maturation of dendritic cells in IBS.

关键词： Irritable bowel syndrome Runt-related transcription factor 3 Transforming growth factor-beta(1) Dendriti cell CD83

Metalloprotein-inspired supramolecular photodynamic nanodrugs by multicomponent coordination for deep penetration and enhanced biofilm eradication

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Nano Research 2023年第5期16卷 7312-7322页

作者： Zhuo-Ran Yang Jingyi Xiong Sirui Wei Kehan Du Huimin Qin Teng Ma Niannian Lv Xinyu yu Hao jiang Jintao Zhu Hubei Engineering Research Center for Biomaterials and Medical Protective Materials School of Chemistry and Chemical EngineeringHuazhong University of Science and TechnologyWuhan 430074China Department of Neurosurgery Union HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430022China

Bacterial infections exacerbate the formation of bacterial biofilms,leading to resistance to traditional drugs,persistent infection,and even threatening patient’s *** antimicrobial materials against drug-resistant bacterial biofilms are highly *** this study,a photodynamic nanodrug with bacterial targeting was constructed by cooperative coordination of zinc ion with an antimicrobial peptide with hydrophobic tripeptides on the side chains and the photosensitizer chlorin *** supramolecular nanodrug with a uniform spherical structure possessed high photosensitizer loading capacity and enhanced photodynamic efficacy,which could deep penetrate and eradicate methicillin-resistant Staphylococcus aureus(MRSA)biofilms upon 655 nm laser ***,in vivo experiments verified the efficient elimination of MRSA biofilms on implanted *** study provides a novel strategy to fabricate metalloprotein-inspired supramolecular photodynamic nanodrugs against drugresistant bacterial biofilms-associated infections in vivo.

关键词： photodynamic therapy supramolecular assembly coordination deep penetration biofilm eradication

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下一代光核心负载均衡分组交换机研究

计算机学报 2011年第7期34卷 1332-1341页

作者：夏羽曾华燊高志江申志军西南交通大学信息科学与技术学院成都610031 纽约大学理工学院电子与计算机工程系美国纽约

着重研究了在第五代交换机体系结构中极具竞争力的以阵列波导光栅路由器件为核心的负载均衡交换结构(AWGR-LB).负载均衡结构通常使用严格的时分复用方式,调度简单但性能不够理想;AWGR的使用能够大大提高交换机整体容量,但由于其波长速... 详细信息

着重研究了在第五代交换机体系结构中极具竞争力的以阵列波导光栅路由器件为核心的负载均衡交换结构(AWGR-LB).负载均衡结构通常使用严格的时分复用方式,调度简单但性能不够理想;AWGR的使用能够大大提高交换机整体容量,但由于其波长速率仅为端口速率的1/N(其中N为端口数),其时延性能与传统交换矩阵相比仍有较大差距,因而不能提供良好的服务质量保证.文中提出了一种适应性时分复用调度算法,能够在保持100%吞吐率优势的同时,极大地改善负载均衡结构的时延性能;同时文中提出的双波导光栅路由器方案,使光交换矩阵能模拟传统交叉开关的工作模式,从而达到以端口线速率交换的效果,与适应性时分复用调度算法相结合,可进一步提高AWGR-LB的性能.

关键词：分组交换负载均衡交换机 Byte-Focal交换机时延性能吞吐率

Optimization of fenestrated technique in application to aortic aneurysms with an attached branch

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Medicine in Novel Technology and Devices 2020年第3期7卷 1-7页

作者： Li Zhongyou Chen Chong Chen yu Wang Guanshi jiang Wentao Department of Applied Mechanics Sichuan UniversityChengdu610065China College of Manufacturing Science&Engineering Sichuan UniversityChengdu610065China

Background:The fenestrated stent technique has been developed for the treatment of aneurysms with ***,the hole size and type,which are the key factors for optimal treatment outcomes,are still controversial in clinical ***,a hemodynamics investigation in terms of the size and type of the hole was performed with the objective of providing evidence for optimization of this ***:Six cases were modeled for comparison:cases 1 and 2 corresponded to suprarenal aortic aneurysm(SRAA)models with no stent and a multilayer stent(MS),respectively;cases 3–6 represented the SRAA models treated with fenestrated stent grafts(FSGs)including a small-sized hole(SSH,3 mm),middle-sized hole(MSH,6 mm),large-sized hole(LSH,9 mm),and multiple holes(MH,which included the features of both the MS and stent graft,6 mm),*** total stent area in cases 4 and 6 was equal to the cross-section of the ***:As opposed to cases 1 and 2,the pressure on the aneurysmal wall reduced more significantly with FSG intervention(cases 3–6),and the area of low wall shear stress(WSS)on the aneurysmal wall was unexpectedly large in case 5 owing to jet flow *** branch flux increased with the increase of the hole size,and normal blood flow in the branch was only observed in case ***,the weakest jet flow was found in case ***:Our findings indicate that the diameter of the hole should be slightly larger than that of the branch to achieve better aneurysm isolation and preserve branch patency.

关键词： Aortic aneurysm Branch Fenestrated stent graft Hole Numerical simulation Hemodynamics

Photothermal‑Triggered Structural Change of Nanofiber Scaffold Integrating with Graded Mineralization to Promote Tendon–Bone Healing

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Advanced Fiber Materials 2022年第4期4卷 908-922页

作者： Chenghao yu Tianrui Wang Hongcui Diao Na Liu Yi Zhang Hongyuan jiang Peng Zhao Zhengyi Shan Zewen Sun Tong Wu Xiumei Mo Tengbo yu Department of Sports Medicine Affiliated Hospital of Qingdao UniversityQingdao 266061ShandongChina Institute of Neuroregeneration and Neurorehabilitation Qingdao Medical CollegeQingdao UniversityQingdao 266071ShandongChina Shandong Key Laboratory of Textile Materials for Healthcare Collaborative Innovation Center for Eco-Textiles of Shandong Province and the Ministry of Education308 Ningxia RoadQingdao 266071ShandongChina State Key Lab for Modification of Chemical Fibers and Polymer Materials College of ChemistryChemical Engineering and BiotechnologyDonghua UniversityShanghai 201620China Department of Endocrinology Jinan Central Hospital Affiliated To Shandong UniversityNo.105 Jiefang RoadJinan 250013ShandongChina

Scaffolds functionalized with graded changes in both fiber alignment and mineral content are more appealing for tendon-bone *** study reports the healing of rotator cuff injury using a heterogeneous nanofiber scaffold,which is associated with a structural gradating from aligned to random and an increasing gradient of mineral content in the same *** photothermal-triggered structural change of a nanofiber scaffold followed by graded mineralization is key to constructing such *** type of scaffold was found to be biocompatible and provide beneficial contact guidance in the manipulation of tendon-derived stem cell morphologies in ***,tenogenic and osteogenic differentiation of tendon-derived stem cells were simultaneously achieved using the fabricated *** vivo investigation also showed the improved healing of rabbit rotator cuff injuries based on immunohistochemical analysis and biomechanical investigation that indicates the promising potential of a dual-gradient nanofiber scaffold in clinical tendon-bone healing.

关键词： Photothermal welding Graded mineralization Nanofiber scaffold Tendon-derived stem cells Tendon-tobone healing

High-Order Elastic Constants and Anharmonic Properties of NaBH_(4):First-Principles Calculations

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Chinese Physics Letters 2011年第7期28卷 236-238页

作者： ZHANG Xiao-Dong jiang Zhen-Yi ZHOU Bo HOU Zhu-Feng HOU yu-Qing Institute of Modern Physics Northwest UniversityXi'an 710069 Department of Physics Fudan UniversityShanghai 200433 Department of Electronic Science Northwest UniversityXi'an 710069

We present theoretical studies for second-and third-order elastic constants in NaBH_(4) based on ab initio *** calculated second−order elastic constants agree well with available experimental *** anharmonic properties of NaBH_(4),such as pressure derivative of the second−order elastic constants and the Grüneisen constants for long-wavelength acoustic mode γ(q,j),are characterized using the third-order elastic constants.

关键词： constants NaBH_(4) constants

Transmission Probability of an Ultracold Three-Level Atom Through a Micromaser Cavity

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Chinese Physics Letters 1999年第8期16卷 568-570页

作者： ZHANG zhi-ming ZHOU Shi-kang XIA yu-xing CHEN Ying-li XIE Sheng-wu Department of Applied Physics Shanghai Jiao Tong UniversityShanghai 200030 Laser Spectroscopy Laboratory Anhui Institute of Optics and Fine MechanicsChinese Academy of SciencesHefei 230031

The transmission probability of an ultracold cascade three-level atom through a micromaser cavity is calculated and analyzed. It is shown that the micromaser cavity can be used as a velocity selector for ultracold thr... 详细信息

关键词： maser Probability selectivity

Identification of QTLs for seed storability in rice under natural aging conditions using two RILs with the same parent Shennong 265

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Journal of Integrative Agriculture 2017年第5期16卷 1084-1092页

作者： DONG Xiao-yan FAN Shu-xiu LIU Jin WANG Qi LI Mei-rong jiang Xin LIU Zhen-yu YIN Ye-chao WANG Jia-yu Rice Research Institute Shenyang Agricultural University/Key Laboratory of Northeast Rice Biology and BreedingMinistry of Agriculture/Key Laboratory of Northern japonica Rice Genetics and BreedingMinistry of EducationShenyang 110866P.R.China

Seed storability （SS） is an important trait for agronomic production and germplasm preservation in rice （Oryza sativa L.）. Quantitative trait locus （QTL） for seed storability in three storage periods was identified using two sets of recombinant inbred lines （RILs） derived from the crosses with a colnmon female parent Shennong 265 （SN265）. Ten QTLs for seed storability were detected on chromosomes 1, 2, 3, 4, 6, 8, and 12in SL-RILs （SN265/Lijiangxingtuanheigui （LTH））, and a total of 12 QTLs were identified on chromosomes 2, 3, 4, 6, 9, and 10 in SH-RILs （SN265/Luhui 99 （LH99））in different storage periods. Among these QTLs, five major QTLs were identified in more than one storage period. The qSS3-1, qSS3-2, qSS12-1, and qSS12-2 were detected in SL-RILs. Similarly, qSS2-2, qSS2-3, qSS6-2, qSS6-3, qSS6-4, qSS9-1, and qSS9-2 were detected in SH-RILs. In addition, the maximum phenotypic variation was derived from the qSS6-1 and qSS9-2, explaining 53.58 and 29.09%, respectively, while qSS6-1 was a new stable QTL for seed storability. These results provide an opportunity for pyramiding and map-based cloning major QTLs for seed storability in rice.

关键词： rice recombinant inbred lines natural aging seed storability quantitative trait locus