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A method of determining typical meteorological year for evaluating overheating performance of passive buildings

Building Simulation 2023年第4期16卷 511-526页

作者： Bin Qian Tao Yu Chen Zhang per Heiselberg Bo Lei Li Yang School of Mechanical Engineering Southwest Jiaotong University610031 ChengduChina Department of Built Environment Aalborg UniversityAalborg9100Denmark

In the simulation of building overheating risks,the use of typical meteorological years(TMY)can greatly reduce the simulation workload and accurately reflect the distribution of simulation results according to the weather conditions over a given ***,all meteorological parameters in most current TMY methods use a uniform weighting factor which may make the simulation results against the actual simulation results of the period and negatively affect the accuracy of the evaluation *** addition to differences in climate characteristics between climate zones,the sensitivity of different simulation results to external parameters will also be ***,a TMY method based on the Finkelstein-Schafer statistical method is proposed,which considers the climatic characteristics of different regions and the correlation with the output parameters of indoor simulation to select the typical *** proposed method is demonstrated in the three future scenarios for the three cities in different climate zones in *** results show that the traditional TMY method has an overestimated weight of solar radiation and wind speed and an undervalued weight of dry bulb temperature when indoor temperature-related indicators are the output *** with the traditional TMY method,the TMY generated by the improved method is closer to the distribution characteristics of the long-term outdoor weather ***,when using the improved TMY data to evaluate the overheating performance of the passive residential buildings,the difference of the results of the unmet degree hours,indoor overheating degree,and the overheating escalation factor between the long-term projected data and the TMY data can be reduced by 63%–67%compared with the traditional TMY data.

关键词： passive buildings overheating typical meteorological year Finkelstein-Schafer statistical method

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Exploiting the quantum mechanically derived force field for functional materials simulations

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npj Computational Materials 2021年第1期7卷 1405-1413页

作者： Alexey Odinokov Alexander Yakubovich Won-Joon son Yongsik Jung Hyeonho Choi Samsung R&D Institute Russia(SRR) Samsung Electronics12 Dvintsev StreetMoscow 127018Russia Data and Information Technology Center Samsung ElectronicsHwaseong 18448Korea Samsung Advanced Institute of Technology(SAIT) Samsung Electronics130 Samsung-roYeongtong-guSuwon 16678Korea

The computational design of functional materials relies heavily on large-scale atomistic *** simulations are often problematic for conventional classical force fields,which require tedious and time-consuming parameterization of interaction *** problem can be solved using a quantum mechanically derived force field(QMDFF)—a system-specific force field derived directly from the first-principles *** present a computational approach for atomistic simulations of complex molecular systems,which include the treatment of chemical reactions with the empirical valence bond *** accuracy of the QMDFF is verified by comparison with the experimental properties of liquid *** illustrate the capabilities of our methodology to simulate functional materials in several case studies:chemical degradation of material in organic light-emitting diode(OLED),polymer chain packing,material morphology of organometallic *** presented methodology is fast,accurate,and highly automated,which allows its application in diverse areas of materials science.

关键词： functional field quantum

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Contribution of Genomics to Gene Discovery in Plant Abiotic stress Responses

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Molecular Plant 2012年第6期5卷 1176-1178页

作者： Yun Ma Feng Qin Lam-son Phan Tran Key Laboratory of Plant Molecular Physiology Institute of BotanyChinese Academy of SciencesBeijing100039Chlna Signaling Pathway Research Unit Plant Science CenterRIKEN Yokohama Institute1-7-22Suehiro-choTsurumiYokohama 230-0045Japan

Sustaining agricultural production under adverse environ- mental conditions, such as drought and high salinity, rep- resents a major challenge. The discovery of key genes and signal transduction pathways underlying plant responses to environmental stress will play an important role in devel- oping strategies for the genetic improvement of crops to address this challenge. Crop functional genomics has greatly contributed to the identification of abiotic stress-related genes. Current advances in genomic technologies now pro- vide effective and high-throughput methods for identifying stress-related genes at a genome-wide level, especially with the availability of the complete genomic sequence of several model and crop plant species. The development of genetic database resources has allowed bioinformatic approaches to identify stress-tolerant gene families across species based on homology and synteny. Additionally, genome-wide associa- tion studies （GWAS） for complex trait loci in crops have facili- tated the discovery of critical stress-related genes and their favorable alleles.

关键词： IN-SILICO ANALYSIS TRANSCRIPTION FACTORS DEHYDRATION stRESS PREDICTION

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Developmental process of the arcuate fasciculus from infancy to adolescence: a diffusion tensor imaging study

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Neural Regeneration Research 2016年第6期11卷 937-943页

作者： Hyeong Jun Tak Jin Hyun Kim Su Min son Department of Physical Medicine and Rehabilitation School of Medicine Yeungnam University

We investigated the radiologic developmental process of the arcuate fasciculus（AF） using subcomponent diffusion tensor imaging（DTI） analysis in typically developing volunteers. DTI data were acquired from 96 consecutive typically developing children, aged 0–14 years. AF subcomponents, including the posterior, anterior, and direct AF tracts were analyzed. Success rates of analysis（AR） and fractional anisotropy（FA） values of each subcomponent tract were measured and compared. AR of all subcomponent tracts, except the posterior, showed a significant increase with aging（P 〈 0.05）. Subcomponent tracts had a specific developmental sequence： First, the posterior AF tract, second, the anterior AF tract, and last, the direct AF tract in identical hemispheres. FA values of all subcomponent tracts, except right direct AF tract, showed correlation with subject＇s age（P 〈 0.05）. Increased AR and FA values were observed in female subjects in young age（0–2 years） group compared with males（P 〈 0.05）. The direct AF tract showed leftward hemispheric asymmetry and this tendency showed greater consolidation in older age（3–14 years） groups（P 〈 0.05）. These findings demonstrated the radiologic developmental patterns of the AF from infancy to adolescence using subcomponent DTI analysis. The AF showed a specific developmental sequence, sex difference in younger age, and hemispheric asymmetry in older age.

关键词： tracts tensor younger older developmental maturation typically asymmetry anisotropy fractional

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Distributions of Sasang constitutions and six syndromes in patients with functional dyspepsia and healthy subjects

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Journal of Traditional Chinese Medicine 2013年第5期33卷 626-629页

作者： Junghyo Cho Yochan Ahn Dongsoo Lee Changgue son Liver and Immunology Research Center Daejeon Oriental Hospital of Daejeon University Department of Health Service Management Daejeon University Department of Internal Medicine Daejeon St. Mary's Hospita The Catholic University of Korea

OBJECTIVE:To investigated the characteristics of patients with functional dyspepsia(FD)in terms of Sasang constitutional ***:A total of 116 patients with FD were recruited based on diagnosis by gastroscopy and symptomatic *** distributions of Sasang constitutions and six syndromes in terms of TKM theory in the patients was compared with those from 1423 healthy ***:The distribution of Sasang constitutions for the patients with FD significantly differed from that for healthy subjects,especially among women;36.7%vs 45.6%for Taeumin,28.9%vs 33.9%for Soumin,and 34.4%vs 20.4%for *** results assumed a high prevalence in Soyangin women(around 1.7 folds),and Soumin(45.2%),inparticular,had a high prevalence of"deficiency and coldness of spleen and stomach"compared with Taeumin(14.9%)and Soyangin types(15.7%).CONCLUSION:This study identified a trend for the frequency of FD and the Sasang *** findings may provide new ideas for the study of prevention and management of FD.

关键词： Dyspepsia Sasang constitution Syndrome differentiation Medicine Chinese traditional Medicine Korean traditional

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Effect of Land Use Change on Runoff and Sediment Yield in Da River Basin of Hoa Binh province, Northwest Vietnam

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Journal of Mountain Science 2015年第4期12卷 1051-1064页

作者： NGO Thanh son NGUYEN Duy Binh Rajendra Prasad SHREstHA Asian Institute of Technology Faculty of Land Resources Management Vietnam National University of Agriculture Faculty of Information Technology Vietnam National University of Agriculture

The objective of this study was to assess runoff discharge and sediment yield from Da River Basin in the Northwest of Vietnam using Soil and Water Assessment Tools(SWAT) *** SWAT model was calibrated and validated using the observed monthly stream flows and sediment yield at selected gauging *** results indicated that SWAT generally performs well in simulating runoff and sediment yield according to Nash-Sutcliffe efficiency(NSE), Observation's standard deviation ratio(RSR), and percent bias(PBIAS) *** runoff, the values of NSE, RSR, and PBIAS were 0.98,0.02, and 3.69 during calibration period and 0.99,0.01, and 1.56 during validation period, *** sediment yield, the efficiency was lower than the value of NSE, RSR, and PBIAS during calibration period were 0.81, 0.19, and-4.14 and 0.84, 0.16, and-2.56 during validation period, *** results of the study indicated that the vegetation status has a significant impact on runoff and sediment *** in land use type between 1995 and2005 from forest to field crop and urban strongly contributed to increasing the average annual runoff from 182.5 to 342.7 mm and sediment yield from101.3 to 148.1 ton-1 *** 2005 and 2010, adecrease of both runoff(from 342.7 to 167.6 mm) and sediment yield(from 148.1 to 74.0 ton-1 ha) was due to the expansion of forested area and application of soil conservation *** results of this study are important for developing soil and water conservation programs, extending future SWAT modelling studies and disseminating these results to other regions in Vietnam.

关键词： Land use change Hydrology Soil erosion Soil and Water Assessment Tools(SWAT) Da River Basin

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Motor function outcomes of pediatric patients with hemiplegic cerebral palsy after rehabilitation treatment:a diffusion tensor imaging study

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Neural Regeneration Research 2015年第4期10卷 624-630页

作者： Jin Hyun Kim Yong Min Kwon Su Min son Department of Physical Medicine and Rehabilitation School of MedicineYeungnam University

Previous diffusion tensor imaging （DTI） studies regarding pediatric patients with motor dys-function have conifrmed the correlation between DTI parameters of the injured corticospinal tract and the severity of motor dysfunction. There is also evidence that DTI parameters can help predict the prognosis of motor function of patients with cerebral palsy. But few studies are re-ported on the DTI parameters that can relfect the motor function outcomes of pediatric patients with hemiplegic cerebral palsy after rehabilitation treatment. In the present study, 36 pediatric patients with hemiplegic cerebral palsy were included. Before and after rehabilitation treatment, DTI was used to measure the ifber number （FN）, fractional anisotropy （FA） and apparent dif-fusion coefifcient （ADC） of bilateral corticospinal tracts. Functional Level of Hemiplegia scale （FxL） was used to assess the therapeutic effect of rehabilitative therapy on clinical hemiplegia. Correlation analysis was performed to assess the statistical interrelationship between the change amount of DTI parameters and FxL. DTI ifndings obtained at the initial and follow-up evalua-tions demonstrated that more affected corticospinal tract yielded signiifcantly decreased FN and FA values and signiifcantly increased ADC value compared to the less affected corticospinal tract. Correlation analysis results showed that the change amount of FxL was positively correlated to FN and FA values, and the correlation to FN was stronger than the correlation to FA. The results suggest that FN and FA values can be used to evaluate the motor function outcomes of pediatric patients with hemiplegic cerebral palsy after rehabilitation treatment and FN is of more signiif-cance for evaluation.

关键词： nerve regeneration cerebral palsy corticospinal tract diffusion tensor hemiplegia motor rehabilitation neural regeneration

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Authentication masking code against DoS of T-MAC protocol

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Journal of Central South University 2013年第7期20卷 1889-1895页

作者： son Young-ho HONG Jin-keun BAE Keun-sung Attached Institute of ETRI Division of Information & Communication Baekseok University School of Electrical Engineering & Computer Science Kyungpook National University

Security vulnerability of denial of service (DoS) in time out-medium access control (T-MAC) protocol was discussed and analysis of power consumption at each stage of T-MAC protocol was carried out. For power efficient authentication scheme which can provide reliability, efficiency, and security for a general T-MAC communication, a novel synchronization and authentication scheme using authentication masking code was proposed. Authentication data were repeated and masked by PN sequence. The simulation results show that the proposed approach can provide synchronization and authentication simultaneously for nodes in wireless sensor network (WSN). 63 bits AMC code gives above 99.97% synchronization detection and 93.98% authentication data detection probability in BER 0.031 7.

关键词： time out-medium access control (T-MAC) security vulnerability authentication synchronization authenticationmasking code

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Horizontal distribution of Changjiang Diluted Water in summer inferred from total suspended sediment in the Yellow Sea and East China Sea

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Acta Oceanologica Sinica 2015年第12期34卷 44-50页

作者： LEE Dong-Kyu KWON Jae-Il son Seung Hyun Pusan National University Coastal Disaster Research Center Korea Institute of Ocean Science and Technology China-Korea Joint Ocean Research Center Cooperative Institute for Research in the Atmosphere Colorado State University

During the summer in the Yellow Sea and East China Sea, the resuspension of the bottom sediment is obstructed by strong stratification and, as a result, the concentration of total suspended sediment（TSS） can be used as an excellent tracer for Changjiang Diluted Water（CDW）. To analyze the spatial and temporal variations of the CDW distribution, the monthly mean TSS from Moderate Resolution Imaging Spectroradiometer（MODIS） ocean color data are constructed and are converted to salinity using the relationship between salinity observed from AQUARIUS and TSS. The process produces the detailed horizontal distribution of salinity with very high resolution（1 km）. From monthly mean salinity map from 2002 to 2012 in July and August, the expansion patterns of CDW are analyzed. The southerly wind in July and southeasterly wind in August transport the CDW eastward and northeastward, respectively. It is found that the yearly variation of the expansion of CDW toward the southern sea area of Korea is mostly due to the variation of southerly wind and the fluctuations of fresh water discharge into the Changjiang estuary show relatively little impact on the eastward extend of CDW. When 11-year mean（from2002 to 2012） salinity map in August is compared with World Ocean Atlas 2013, it is revealed that wind in August strengthened six times from 1994 and it causes the expansion of CDW extended 150 km further eastward.

关键词： Yellow and East China Seas Changjiang diluted water total suspended sediment MODIS

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3-Multi ranked encryption with enhanced security in cloud computing

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Digital Communications and Networks 2023年第2期9卷 313-326页

作者： YeEun Kim Junggab son Reza M.Parizi Gautam Srivastava Heekuck Oh Major in Bio Artificial Intelligence Dept.of Computer Science and EngineeringHanyang UniversityAnsanRepublic of Korea Department of Computer Science Kennesaw State UniversityMariettaUSA Department of Software Engineering Kennesaw State UniversityMariettaUSA Department of Mathematics and Computer Science Brandon UniversityBrandonCanada Research Center for Interneural Computing China Medical UniversityTaichungTaiwanChina Dept.of Computer Science and Engineering Hanyang UniversityAnsanRepublic of Korea

Searchable Encryption(SE)enables data owners to search remotely stored ciphertexts selectively.A practical model that is closest to real life should be able to handle search queries with multiple keywords and multiple data owners/users,and even return the top-k most relevant search results when *** refer to a model that satisfies all of the conditions a 3-multi ranked search ***,SE schemes that have been proposed to date use fully trusted trapdoor generation centers,and several methods assume a secure connection between the data users and a trapdoor generation *** is,they assume the trapdoor generation center is the only entity that can learn the information regarding queried keywords,but it will never attempt to use it in any other manner than that requested,which is impractical in real *** this study,to enhance the security,we propose a new 3-multi ranked SE scheme that satisfies all conditions without these security *** proposed scheme uses randomized keywords to protect the interested keywords of users from both outside adversaries and the honest-but-curious trapdoor generation center,thereby preventing attackers from determining whether two different queries include the same ***,we develop a method for managing multiple encrypted keywords from every data owner,each encrypted with a different *** evaluation demonstrates that,despite the trade-off overhead that results from the weaker security assumption,the proposed scheme achieves reasonable performance compared to extant schemes,which implies that our scheme is practical and closest to real life.

关键词： Searchable encryption Multi-keyword search Multiple data owners/users Ranked search Enhanced security

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