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Retrieval of the Single Scattering Albedo of Asian Dust Mixed with Pollutants Using Lidar Observations

Advances in Atmospheric Sciences 2014年第6期31卷 1417-1426页

作者： Sungkyun shin Young Min NOH Kwonho LEE Hanlim LEE Detlef MLLER Y.J.KIM Kwanchul KIM dongho shin School of Environmental Science and Engineering Gwangju Institute of Science and TechnologyKorea Department of Geoinformatics Engineering Kyungil UniversityKorea Department of Spatial Information Engineering Pukyong National UniversityKorea Science System and Applications Inc. NASA Langley Research CenterUSA University of Hertfordshire United Kingdom

The vertical distribution of single scattering albedos （SSAs） of Asian dust mixed with pollutants was derived using the multi-wavelength Raman lidar observation system at Gwangju （35.10°N,126.53°E）.Vertical profiles of both backscatter and extinction coefficients for dust and non-dust aerosols were extracted from a mixed Asian dust plume using the depolarization ratio from lidar *** profiles of backscatter and extinction coefficients of non-dust particles were input into an inversion algorithm to retrieve the SSAs of non-dust *** aerosol layers at different heights had different light-absorbing *** SSAs of non-dust particles at each height varied with aerosol type,which was either urban/industrial pollutants from China transported over long distances at high altitude,or regional/local pollutants from the Korean *** advantage of independent profiles of SSAs of non-dust particles,vertical profiles of SSAs of Asian dust mixed with pollutants were estimated for the first time,with a new approach suggested in this study using an empirical determination of the SSA of pure *** SSAs of the Asian dust-pollutants mixture within the planetary boundary layer （PBL） were in the range 0.88-0.91,while the values above the PBL were in the range 0.76-0.87,with a very low mean value of 0.76 ± *** total mixed dust plume SSAs in each aerosol layer were integrated over height for comparison with results from the Aerosol Robotics Network （AERONET） *** of SSA retrieved from lidar observations of 0.92 ± 0.01 were in good agreement with the results from AERONET measurements.

关键词： lidar Asian dust depolarization ratio microphysical properties single scattering albedo

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韩国建筑企业破产预警研究

韩国建筑企业破产预警研究

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作者： shin dongho 浙江大学

学位级别：硕士

对韩国经济来说,韩国建筑企业的重要性是无法仅仅统计数字来说明的。但是,原有的研究是大部分关于制造企业的分析,使用2008年金融危机以前的资料。有些论文研究建筑企业的破产预警,但是在选择财务指标方面没有反映建筑企业的现况。所以... 详细信息

对韩国经济来说,韩国建筑企业的重要性是无法仅仅统计数字来说明的。但是,原有的研究是大部分关于制造企业的分析,使用2008年金融危机以前的资料。有些论文研究建筑企业的破产预警,但是在选择财务指标方面没有反映建筑企业的现况。所以,与以前的研究不同,本文使用因2008年金融危机而破产的建筑企业财务指标,首次使用针对建筑企业的指标,努力建立能够反映韩国建筑公司现实的客观和有实用性的破产预警模型。比如,运用模型中,通过使用在财务报表注释提取的信用担保比率指标,在模型内反映了韩国建筑公司提供给开发商过多信用担保的现实。并且,考虑到韩国建筑公司施工未收金、售房未收金、出租未收金及未支付金大的现实,计算应收账款和短期债务的时候将这些金额都放入模型中更试图反映韩国建筑公司的现实。本文以2008年金融危机发生后破产的30家破产建筑公司和2012年30家优质建筑公司作为构建模型的样本,运用SPSS统计分析软件展开研究。参考以前研究结果选择32个财务指标后,通过两独立样本T检验选择12个指标,根据那些指标运用Logistic回归和判别分析方法,构建一共4个的预测模型后,比较评价个别模型的预测力和准确率。根据以上的研究,本文得到如下结论：(1)通过两独立样本T检验和相关关系分析筛选得出的12个变量,其中5个(权益比率、流动比率、信用担保比率、短期贷款比率及短期负债比率)为稳定性有关比率。这样能够确认像原有的建筑公司破产预测模型研究一样,负债管理有关稳定性指标是最重要的指标;(2) Logistic回归分析模型为2个。在logit1模型中信用担保比率、短期债务比率、总资产周转率和销售’管理费用比率4个指标被选择。在logit2模型中,前3个指标的选取与logit1结果一致,最后一个指标的选取不同于logit1的销售‘管理费用比率。使用保留样本的模型准确率两个模型分别显示为85.42%和83.33%;(3)判别分析模型也为2个。判别1模型中营业外支出比率和利息保障倍数被选择,判别2模型中短期债务比率和总资产周转率被选择。值得注意的是短期债务比率和总资产周转率在Logistic模型和判别模型两个模型中都被选择了,显示短期债务管理和维持一定适当的营业收入管理的重要性。使用保留样本的模型准确率两个模型分别显示为79.17%和64.58%。

关键词： 2008年金融危机建筑企业破产 Logistic回归分析模型判别分析模型

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Pan-TRK positive uterine sarcoma in immunohistochemistry without neurotrophic tyrosine receptor kinase gene fusions:A case report

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World Journal of Clinical Cases 2025年第2期13卷 39-49页

作者： Seungmee Lee Yu-Ra Jeon Changmin shin Sun-Young Kwon Sojin shin Department of Obstetrics and Gynecology Keimyung University School of MedicineDaegu 42601South Korea Department of Pathology and Institute for Cancer Research Keimyung University School of MedicineDaegu 42601South Korea

BACKGROUND The classification of uterine sarcomas is based on distinctive morphological and immunophenotypic characteristics,increasingly supported by molecular genetic *** on neurotrophic tyrosine receptor kinase(NTRK)gene fusionpositive uterine sarcoma,potentially aggressive and morphologically similar to fibrosarcoma,are limited due to its recent ***-TRK immunohistochemistry(IHC)analysis serves as an effective screening tool with high sensitivity and specificity for NTRK-fusion *** SUMMARY We report a case of a malignant mesenchymal tumor originating from the uterine cervix,which was pan-TRK IHC-positive but lacked NTRK gene fusions,accompanied by a brief literature review.A 55-year-old woman presented to the emergency department with abdominal pain and distension,exhibiting significant ascites and multiple solid pelvic *** examination revealed a tumor encompassing the uterine cervix,extending to the vagina and uterine corpus.A punch biopsy of the cervix indicated NTRK sarcoma with positive immunochemical pan-TRK ***,subsequent next generation sequencing revealed no NTRK gene fusion,leading to a diagnosis of poorly differentiated,advanced-stage *** The clinical significance of NTRK gene fusion lies in potential treatment with TRK inhibitors for positive *** such rare tumors is crucial due to the potential applicability of tropomyosin receptor kinase inhibitor treatment.

关键词： Uterine sarcoma Cervical sarcoma Neurotrophic tyrosine receptor kinase gene fusion Next generation sequencing Case report

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Characteristics of High Speed Electro-thermal Jet Activated by Pulsed DC Discharge

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Chinese Journal of Aeronautics 2010年第5期23卷 518-522页

作者： Jichul shin Department of Aerospace Engineering University of Ulsan

Experimental study of synthetic jet produced by pulsed direct current （DC） discharge is presented. High velocity jet is acti- vated electro-thermally by high frequency pulsed DC discharge in small cavity. A cavity of 2.38 mm diameter cylinder bounded by circular electrode is made in a ceramic plate and a small orifice of 1.78 mm diameter is drilled in the middle of cavity. High frequency pulsed DC discharge instantaneously heats air in the cavity and produces high velocity jet at the exit of the orifice. Schlieren imaging at high framing rate of 100 kHz reveals the presence of supersonic precursor shock followed by the jet emerg- ing from the orifice. The jet velocity reaches as high as about 300 m/s. Jet with smaller cavity volume produces lesser effect and jet velocity reaches maximum at certain cavity volume with given discharge current and orifice size. As duty time of pulse increases from 5 to 20 μs at fixed frequency of 5 kHz, the jet velocity also increases and becomes nearly constant with further increase in duty time. At fixed duty time of 20 μs, higher frequency pulsing of 10 kHz produces degradation of the jet as the discharge pulse continues. The jet developed in this study is demonstrated to be strong enough to penetrate deep into supersonic boundary layer and to produce a bow shock when the jet is issued into Mach 3 supersonic flow.

关键词： synthetic jet pulsed DC plasma supersonic flow actuation

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Facial Expression Recognition of Various Internal States via Manifold Learning

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Journal of Computer Science & Technology 2009年第4期24卷 745-752页

作者： Young-Suk shin IEEE Department of Information and Communication Engineering Chosun University

Emotions are becoming increasingly important in human-centered interaction architectures. Recognition of facial expressions, which are central to human-computer interactions, seems natural and desirable. However, facial expressions include mixed emotions, continuous rather than discrete, which vary from moment to moment. This paper represents a novel method of recognizing facial expressions of various internal states via manifold learning, to achieve the aim of humancentered interaction studies. A critical review of widely used emotion models is described, then, facial expression features of various internal states via the locally linear embedding （LLE） are extracted. The recognition of facial expressions is created with the pleasure-displeasure and arousal-sleep dimensions in a two-dimensional model of emotion. The recognition result of various internal state expressions that mapped to the embedding space via the LLE algorithm can effectively represent the structural nature of the two-dimensional model of emotion. Therefore our research has established that the relationship between facial expressions of various internal states can be elaborated in the two-dimensional model of emotion, via the locally linear embedding algorithm.

关键词： manifold learning locally linear embedding dimension model pleasure-displeasure dimension arousal-sleep dimension

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A characterization of Burniat surfaces with K^2 = 4 and of non nodal type

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Science China Mathematics 2016年第5期59卷 839-848页

作者： shin YongJoo Shanghai Center for Mathematical Sciences Fudan University

Let S be a minimal surface of general type with pg(S) = 0 and K_S^2= 4. Assume the bicanonical map ψ of S is a morphism of degree 4 such that the image of ψ is smooth. Then we prove that the surface S is a Burniat ... 详细信息

关键词： bicanonical map Burniat surface surface of general type

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NOON-state interference in the frequency domain

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Light(Science & Applications) 2024年第5期13卷 843-851页

作者： Dongjin Lee Woncheol shin Sebae Park Junyeop Kim Heedeuk shin Department of Physics Pohang University of Science and Technology(POSTECH)Pohang 37673South Korea

The examination of entanglement across various degrees of freedom has been pivotal in augmenting our understanding of fundamental physics,extending to high dimensional quantum states,and promising the scalability of quantum *** this paper,we demonstrate the photon number path entanglement in the frequency domain by implementing a frequency beam splitter that converts the single-photon frequency to another with 50%probability using Bragg scattering four-wave *** two-photon NOON state in a single-mode fiber is generated in the frequency domain,manifesting the two-photon interference with two-fold enhanced resolution compared to that of single-photon interference,showing the outstanding stability of the *** successful translation of quantum states in the frequency domain will pave the way toward the discovery of fascinating quantum phenomena and scalable quantum information processing.

关键词： quantum state showing

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皮革的可塑性 POLENE首尔专卖店

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室内设计与装修 2025年第1期 90-95页

作者：无 Minwoo(Ian)Yang Sunho shin Hyevin Park Yongjoon Choi(摄影) 秋落(编译) WGNB 不详

继巴黎、纽约和东京之后,专注皮革设计的小众品牌Pol$ne于日前在韩国首尔开设首家品牌旗舰店,也是全球第4间专卖店。这个深受时尚迷和年轻一代欢迎的法国小众品牌,将店址选在逛街胜地之一的江南新沙洞,打造了两层的品牌旗舰店。除了延... 详细信息

继巴黎、纽约和东京之后,专注皮革设计的小众品牌Pol$ne于日前在韩国首尔开设首家品牌旗舰店,也是全球第4间专卖店。这个深受时尚迷和年轻一代欢迎的法国小众品牌,将店址选在逛街胜地之一的江南新沙洞,打造了两层的品牌旗舰店。除了延续品牌形象,引进品牌经典包款和人气新作,受到韩国打卡文化的影响,Pol$ne为首尔旗舰店精心规划出拍照空间,凡是走进店内的人,都会忍不住想要拿起手机留下回忆。

关键词：小众品牌旗舰店皮革品牌形象专卖店 Pol

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A Generalization of Haussler's Convolution Kernel——Mapping Kernel and Its Application to Tree Kernels

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Journal of Computer Science & Technology 2010年第5期25卷 1040-1054页

作者： Kilho shin Tetsuji Kuboyama Graduate School of Applied Informatics University of HyogoKobeJapan Carnegie Mellon CyLab PittsburghU.S.A Computer Center Gakushuin UniversityTokyoJapan

Haussler＇s convolution kernel provides an effective framework for engineering positive semidefinite kernels, and has a wide range of *** the other hand,the mapping kernel that we introduce in this paper is its natural generalization,and will enlarge the range of application *** main theorem with respect to positive semidefiniteness of the mapping kernel（1） implies Haussler＇s theorem as a corollary,（2） exhibits an easy-to-check necessary and sufficient condition for mapping kernels to be positive semidefinite,and（3） formalizes the mapping kernel so that significant flexibility is provided in engineering new *** an evidence of the effectiveness of our results,we present a framework to engineer tree *** tree is a data structure widely used in many applications,and tree kernels provide an effective method to analyze tree-type ***,not only is the framework important as an example but also as a practical research *** description of the framework accompanies a survey of the tree kernels in the literature,where we see that 18 out of the 19 surveyed tree kernels of different types are instances of the mapping kernel,and examples of novel interesting tree kernels.

关键词： kernel convolution kernel tree edit distance

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URECA:Efficient Resource Location Middleware for Ubiquitous Environment

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Journal of Computer Science & Technology 2008年第6期23卷 929-943页

作者： Donggeon Noh Heonshik shin Mobile System and Software Laboratory School of Computer Science and EngineeringSeoul National University

We describe an effective resource location framework for ubiquitous computing environments populated by a diverse set of networks, devices, services and computational entities. Our framework provides context adaptation with the aid of a middleware service to improve the quality of resource location. A resource location protocol suitable to each type of network locates resource effectively by means of dynamic reconfiguration to the current context. Our framework is also refined by support for interoperability between different types of resource location protocols occurring across a hybrid ubiquitous network. These characteristics also reduce the control overhead for resource location, saving resource, decreasing latency and permitting a considerable degree of scalability.

关键词： resource location resource discovery middleware context-aware interoperability ubiquitous

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