检索结果-南通市图书馆

Chinese Journal of Integrative Medicine 2015年第2期21卷 157-160页

作者： Jiman Kim seungwon kwon Kyunghee-saeng Haniwon(Korean Medicine Clinic) Department of Cardiovascular and Neurologic Diseases College of Korean MedicineKyungHee University

Diabetes mellitus is the fourth leading cause of death worldwide, following cancer, cerebrovascular disease, and heart disease. It is triggered by hyperglycemia and other metabolic disorders. Diabetes is a complex endocrine disease that causes chronic vascular complications such as diabetic nephropathy, retinopathy, and polyneuropathy.

关键词： oral Effect of Yanggyuksanhwa-Tang on Non-Insulin-Dependent Diabetes Mellitus Unresponsive to Oral Hypoglycemic Agents DCCT

Effect of the herbal medicine Danggui Sini plus Wuzhuyu Shengjiang Tang on erythrocyte deformability in normal subjects: a cross-over trial

在线全文

学校读者我要写书评

暂无评论

Journal of Traditional Chinese Medicine 2018年第5期38卷 769-772页

作者： JiEun Lee Seung-Yeon Cho Seong-Uk Park Woo-Sang Jung Sang-Kwan Moon Jung-Mi Park Chang-Nam Ko Ki-Ho Cho seungwon kwon Department of Cardiology and Neurology College of Korean Medicine Kyung Hee University

OBJECTIVE: To show whether Danggui Sini plus Wuzhuyu Shengjiang Tang(DSWST) has any transient effect on erythrocyte deformability in normal ***: A total of 25 subjects [mean age(27.8± 1.8) years] was enrolled in this study. The study was designed as a cross-over trial in which the subjects took part for 2 d. On the first day, blood samples were collected at baseline and 1-2 h after administration of water, whereas, on the second day, instead of water, the subjects were administered DSWST after the baseline blood sampling. The blood samples collected at baseline and after the administration water or DSWST, were examined for erythrocyte ***: The elongation index increased significantly after 2 h(P = 0.009) compared to the baseline after DSWST intake. However, after water intake, there was no significant differenceobserved. When comparing the percent change of erythrocyte deformability between DSWST and water, we found that after 2 h of administration,DSWST improved erythrocyte deformability significantly compared to water(P < 0.001).CONCLUSION: DSWST has a transient effect on erythrocyte deformability in normal subjects.

关键词： Erythrocyte deformability Peptide elongation factors Raynaud disease Coldness of hands and feet Cross-over studies Danggui Sini plus Wuzhuyu Shengjiang Tang

Tracking of horizontal alignment of the long and large diameter uncharged hole in NATM tunnel

在线全文

学校读者我要写书评

暂无评论

Underground Space 2024年第3期16卷 18-28页

作者： Min-Seong Kim Sean seungwon Lee Department of Energy and Resources Engineering Chonnam National UniversityGwangju 61186Republic of Korea Department of Earth Resources and Environmental Engineering Hanyang UniversitySeoul 04763Republic of Korea

The long and large diameter uncharged hole boring(LLB)method is a cut blasting method that minimizes blast-induced vibrations by creating long and large diameter uncharged holes at the excavation face of tunnels prior to tunnel *** in this method typically uses a 50 m long with a 382 mm diameter hammer bit in the horizontal direction at the tunnel ***,the significant weight and uni-directional rotation of the rod head,as well as variables such as geological characteristics,machine conditions,and inexperienced operators result in significant deviation from the target borehole alignment that hinders the vibration-dampening effect of the uncharged ***,since there is no method to verify the alignment of the boreholes until main tunnel construction,borehole misalignment is often not discovered until weeks after construction,which requires tunnel construction to cease until the equipment can be remobilized and an additional borehole be created,causing significant delays and increased costs for the entire tunnel *** this study,the borehole alignment tracking and ground exploration system(BGS)is developed to predict and monitor the quality and alignment of boreholes for cut blasting methods such as the LLB methods immediately after *** BGS was subsequently tested at a subway construction site to evaluate its performance in the *** measurements yielded by the BGS were compared with manually measured boring positions at every 5 m along the *** the BGS showed a maximum deviation of approximately 12%at a local point where the hole surface was relatively rough,the accuracy for the final boring position was approximately 97%,demonstrating excellent precision of the alignment tracking *** BGS demonstrates excellent performance in predicting ground conditions and the boring quality of a cut hole immediately after drilling,and shows promise in various other applications for monitoring borehole alignment.

关键词： Tunnel blasting LLB method Drilling deviation Vertical sagging Horizontal alignment tracking BGS

Ballistic limit velocity of small caliber projectiles against SS400 steel plates:Live fire experiments and empirical models

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Defence Technology（防务技术） 2024年第11期41卷 22-34页

作者： Jong-Hwan Kim seungwon Baik Jirui Fu Joon-Hyuk Park Mechanical&Systems Engineering Korea Military Academy574 Hwarang-roNowon-guSeoul17977South Korea Mechanical and Aerospace Engineering University of Central Florida4000 Central Florida BlvdOrlandoFL 32816United States

This study presents the ballistic limit velocity of small caliber projectiles against SS400 steel plate derived from live-fire ballistic experiments. Four different small caliber projectiles were tested against SS400 steel plates of 9 mm, 10 mm, and 12 mm thicknesses. The ballistic limit velocity was calculated using two standard methods, MIL-STD-662F and NIJ-STD-0101.06, and additionally using a support vector machine algorithm. The results show a linear relationship between the plate thickness and ballistic limit velocity. Further, the relative penetration performance among five different small caliber projectiles was analyzed using the Penetration Performance Ratio(PPR) introduced in this study, which suggests the potential of PPR to predict the ballistic limit velocity of other untested materials and/or different projectiles.

关键词： Live fire ballistic experiment SS400 Ballistic limit velocity Small caliber projectile

Machine Learning-Based Two-Stage Data Selection Scheme for Long-Term Influenza Forecasting

在线全文

学校读者我要写书评

暂无评论

Computers, Materials & Continua 2021年第9期68卷 2945-2959页

作者： Jaeuk Moon seungwon Jung Sungwoo Park Eenjun Hwang School of Electrical Engineering Korea UniversitySeoul02841Korea

One popular strategy to reduce the enormous number of illnesses and deaths from a seasonal influenza pandemic is to obtain the influenza vaccine on ***,vaccine production preparation must be done at least six months in advance,and accurate long-term influenza forecasting is essential for *** diverse machine learning models have been proposed for influenza forecasting,they focus on short-term forecasting,and their performance is too dependent on input *** a country’s longterm influenza forecasting,typical surveillance data are known to be more effective than diverse external data on the *** propose a two-stage data selection scheme for worldwide surveillance data to construct a longterm forecasting model for influenza in the target *** the first stage,using a simple forecasting model based on the country’s surveillance data,we measured the change in performance by adding surveillance data from other countries,shifted by up to 52 *** the second stage,for each set of surveillance data sorted by accuracy,we incrementally added data as input if the data have a positive effect on the performance of the forecasting model in the first *** the selected surveillance data,we trained a new longterm forecasting model for influenza and perform influenza forecasting for the target *** conducted extensive experiments using six machine learning models for the three target countries to verify the effectiveness of the proposed *** report some of the results.

关键词： Influenza data selection machine learning forecasting

Materials and devices for flexible and stretchable photodetectors and light-emitting diodes

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Nano Research 2021年第9期14卷 2919-2937页

作者： Jun-Kyul Song Min Sung Kim seungwon Yoo Ja Hoon Koo Dae-Hyeong Kim Center for Nanoparticle Research Institute for Basic Science(IBS)Seoul 08826Republic of Korea School of Chemical and Biological Engineering and Institute of Chemical Processes Seoul National UniversitySeoul 08826Republic of Korea Interdisciplinary Program for Bioengineering Seoul National UniversitySeoul 08826Republic of Korea Department of Materials Science and Engineering Seoul National UniversitySeoul 08826Republic of Korea

Recently,significant efforts have been directed at overcoming the limitations of conventional rigid optoelectronic devices,particularly their poor mechanical stability under bending,folding,and stretching *** of major approaches for rendering optoelectronic devices mechanically deformable is to replace the conventional electronic/optoelectronic materials with functional nanomaterials or organic materials that are intrinsically flexible/***,advanced device designs and unconventional fabrication methods have also contributed to the development of soft optoelectronic ***,new devices such as bio-inspired curved image sensors,wearable light emitting devices,and deformable bio-integrated optoelectronic devices have been *** this review,recent progress in the development of soft optoelectronic materials and devices is ***,various materials such as nanomaterials,organic materials,and their hybrids that are suitable for developing deformable photodetectors,are ***,the nanomaterials and organic/polymeric materials that are applicable in deformable light-emitting diodes are ***,representative system-level applications of flexible and stretchable photodetectors and light-emitting diodes are reviewed,and future prospects are discussed.

关键词： nanomaterial organic material photodetector light-emitting diode flexible optoelectronics stretchable optoelectronics

Flexible thermocouple using a thermoelectric graphene fiber with a seamless junction

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Materials Science & Technology 2024年第5期172卷 15-22页

作者： seungwon Kim Soomook Lim Myeong Hee Jeong Wonjoon Kim Seunghyun Baik Ji Won Suk School of Mechanical Engineering Sungkyunkwan UniversitySuwonGyeonggi-do 16419Republic of Korea Department of Smart Fab.Technology Sungkyunkwan UniversitySuwonGyeonggi-do 16419Republic of Korea SKKU Advanced Institute of Nanotechnology(SAINT) Sungkyunkwan UniversitySuwonGyeonggi-do 16419Republic of Korea

Temperature is an important physical variable that indicates the condition of the human body and artificial *** wearable applications require the development of temperature sensors with different form *** this study,a fiber-shaped thermoelectric temperature sensor is fabricated using a continuous graphene fiber whose two halves possess different reduction states.A seamless junction is formed by partially reducing a wet-spun graphene oxide fiber with hydroiodic acid(HI)solutions of different ***-half of the fiber is mildly reduced with 0.97 wt%HI,while the other half is highly reduced with 30.6 wt%*** different reduction states of the graphene composite fiber result in different Seebeck coefficients,allowing for the fabrication of a fiber-shaped graphene thermocou-ple without any laborious *** flexible graphene thermocouple exhibits high sensitivity with a thermopower of 12.5μV K^(-1)in the temperature range of room temperature to∼70℃.Furthermore,it exhibits high linearity with a correlation coefficient exceeding 0.995 and fast response with a time constant of 0.24 *** to its mechanical robustness and flexibility,the stand-alone graphene ther-mocouple can be knitted into a cotton fabric glove,which presents a fast response to environmental changes without any external power *** work offers a unique fabrication method for producing a high-performance,flexible thermocouple that features a seamless and clear junction without the use of additional *** alternative method eliminates the complicated assembly processes typically required for conventional thermocouples.

关键词： Graphene fiber Thermocouple Reduced graphene oxide Flexible temperature sensor Seebeck coefficient

View Types and Visual Communication Cues for Remote Collaboration

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Computers, Materials & Continua 2023年第2期74卷 4363-4379页

作者： seungwon Kim Weidong Huang Chi-Min Oh Gun Lee Mark Billinghurst Sang-Joon Lee AI Convergence College Chonnam National UniversityGwangju61186Korea University of Technology Sydney Sydney2007Australia SafeMotion Gwangju61011Korea School of ITMS University of South AustraliaAdelaide5001Australia Interdisciplinary Program of Digital Future Convergence Service Chonnam National UniversityGwangju61186Korea

Over the last several years,remote collaboration has been getting more attention in the research community because of the COVID-19 *** previous studies,researchers have investigated the effect of adding visual communication cues or shared views in collaboration,but there has not been any previous study exploring the influence between *** this paper,we investigate the influence of view types on the use of visual communication *** compared the use of the three visual cues(hand gesture,a pointer with hand gesture,and sketches with hand gesture)across two view types(dependent and independent views),*** conducted a user study,and the results showed that hand gesture and sketches with the hand gesture cueswerewell matchedwith the dependent viewcondition,and using a pointer with the hand gesture cue was suited to the independent view *** the dependent view,the hand gesture and sketch cues required less mental effort for collaborative communication,had better usability,provided better message understanding,and increased feeling of co-presence compared to the independent *** the dependent view supported the same viewpoint between the remote expert and a local worker,the local worker could easily understand the remote expert’s hand *** contrast,in the independent view case,when they had different viewpoints,it was not easy for the local worker to understand the remote expert’s hand *** sketch cue had a benefit of showing the final position and orientation of the manipulating objects with the dependent view,but this benefit was less obvious in the independent view case(which provided a further view compared to the dependent view)because precise drawing in the sketches was difficult from a *** the contrary,a pointer with the hand gesture cue required less mental effort to collaborate,had better usability,provided better message understanding,and an increased feeling of co-presence in the independent view con

关键词： Mixed reality remote collaboration

NEW ERA SOFTWARE DEFINED NETWORK

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

China Communications 2016年第3期13卷 I0002-I0003页

作者： Bi Jun seungwon Shin Kai Chen network architecture research division institute for network sciences and cyberspace at tsinghua university asiafi (asia future internet forum) steering group china sdn commission infocom icnp mobihoc icccn organization committee or technical program committees at sigcomm icnp infocom co next sosr/hot sdn the school of computing kaist open networking foundation (onf) department of computer science and engineering hong kong university of science and technology

Software-Defined Networking(SDN)is now considered as one of the promising future networking technologies,and this trend can be clearly verified by observing activities of both industry and *** industry,we can easily n... 详细信息

关键词：网络公司软件定义 SDN 工业界学术界思科

The protective roles of integrin α4β7 and Amphiregulin-expressing innate lymphoid cells in lupus nephritis

在线全文

学校读者我要写书评

暂无评论

Cellular & Molecular Immunology 2024年第7期21卷 723-737页

作者： seungwon Ryu Kyung Ah Kim Jinwoo Kim Dong Hun Lee Yong-Soo Bae Hajeong Lee Byoung Choul Kim Hye Young Kim Department of Microbiology Gachon University College of MedicineIncheon21999South Korea Department of Nano-Bioengineering Incheon National UniversityIncheon22012South Korea Laboratory of Mucosal Immunology Department of Biomedical SciencesSeoul National University College of MedicineSeoul03080South Korea Department of Dermatology Seoul National University College of MedicineSeoul03080South Korea Laboratory of Cutaneous Aging Research Biomedical Research InstituteSeoul National University HospitalSeoul03080South Korea Institute of Human–Environment Interface Biology Medical Research CenterSeoul National UniversitySeoul03080South Korea Department of Biological Sciences SRC Center for Immune Research on Non-lymphoid OrgansSungkyunkwan UniversitySuwon16419South Korea Department of Biological Sciences Sungkyunkwan UniversitySuwon16419South Korea Division of Nephrology Department of Internal MedicineSeoul National University Hospital and Seoul National University College of MedicineSeoul03080South Korea Institute of Allergy and Clinical Immunology Seoul National University Medical Research CenterSeoul National University College of MedicineSeoul03080South Korea

Type 2 innate lymphoid cells (ILC2s) have emerged as key regulators of the immune response in renal inflammatory diseases such as lupus nephritis. However, the mechanisms underlying ILC2 adhesion and migration in the kidney remain poorly understood. Here, we revealed the critical role of integrin α4β7 in mediating renal ILC2 adhesion and function. We found that integrin α4β7 enables the retention of ILC2s in the kidney by binding to VCAM-1, E-cadherin, or fibronectin on structural cells. Moreover, integrin α4β7 knockdown reduced the production of the reparative cytokine amphiregulin (Areg) by ILC2s. In lupus nephritis, TLR7/9 signaling within the kidney microenvironment downregulates integrin α4β7 expression, leading to decreased Areg production and promoting the egress of ILC2s. Notably, IL-33 treatment upregulated integrin α4β7 and Areg expression in ILC2s, thereby enhancing survival and reducing inflammation in lupus nephritis. Together, these findings highlight the potential of targeting ILC2 adhesion as a therapeutic strategy for autoimmune kidney diseases.

关键词： Innate lymphoid cells Tissue residency Adhesion molecules Integrins Kidney Lupus nephritis Amphiregulin