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NOAA/AVHRR sea surface temperature accuracy in the East/Japan Sea

International Journal of Digital Earth 2015年第10期8卷 784-804页

作者： Kyung-Ae Park eun-Young Lee Xiaofeng Li Sung-Rae Chung eun-ha sohn Sungwook Hong Department of Earth Science Education/Research Institute of Oceanography Seoul National UniversitySeoulSouth Korea Department of Science Education Seoul National UniversitySeoulSouth Korea GST at National Environmental Satellite Dataand Information ServiceNational Oceanic and Atmospheric AdministrationCollege ParkMDUSA Satellite Planning Division National Meteorological Satellite CenterKorea Meteorological AdministrationJincheonSouth Korea Satellite Analysis Division National Meteorological Satellite CenterKorea Meteorological AdministrationJincheonSouth Korea

Sea surface temperature(SST)retrieved from Advanced Very High Resolution Radiometer(AVHRR)onboard National Oceanic and Atmospheric Administration(NOAA)polar orbiting environmental satellites were validated in the East/Japan Sea(EJS)using surface drifter measurements as ground truths from 2005 to ***,the root-mean-square(rms)errors of multichannel SSTs(MCSSTs)and non-linear SSTs(NLSSTs)using global SST coefficients were approximately 0.85℃ and 0.80℃,*** analysis of the SST errors(satellite-drifter)revealed a dependence on the amount of atmospheric *** addition,satellite-derived SSTs tended to be related to wind speeds,particularly during the *** SST errors also demonstrated diurnal variations with relatively higher rms from 0.80℃ to 1.00℃ during the night than the day,with a small rms of about 0.50℃.Bias also exhibited reasonable diurnal differences,showing small biases during the *** a satellite zenith angle has been considered in the global SST coefficients,its effect on the SST errors still remained in case of the *** the diverse use of SST data,the continuous validation and understanding of the characteristic errors of satellite SSTs should be conducted based on extensive in-situ temperature measurements in the global ocean as well as local seas.

关键词： sea surface temperature East/Japan Sea AVHRR SST error validation

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Derivation of Regression Coefficients for Sea Surface Temperature Retrieval over East Asia

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Advances in Atmospheric Sciences 2006年第3期23卷 474-486页

作者： Myoung-Hwan AHN eun-ha sohn Byong-Jun HWANG Chu-Yong CHUNG Xiangqian WU Remote Sensing Research Laboratory/Meteorological Research Institute Seoul Korea Office of Research and Applications National Environmental Satellite Data and Information Service National Oceanic and Atmospheric Administration

Among the regression-based algorithms for deriving SST from satellite measurements, regionally optimized algorithms normally perform better than the corresponding global algorithm. In this paper, three algorithms are considered for SST retrieval over the East Asia region （15°-55°N, 105°-170°E）, including the multi-channel algorithm （MCSST）, the quadratic algorithm （QSST）, and the Pathfinder algorithm （PFSST）. All algorithms are derived and validated using collocated buoy and Geostationary Meteorological Satellite （GMS-5） observations from 1997 to 2001. An important part of the derivation and validation of the algorithms is the quality control procedure for the buoy SST data and an improved cloud screening method for the satellite brightness temperature measurements. The regionally optimized MCSST algorithm shows an overall improvement over the global algorithm, removing the bias of about -0.13℃ and reducing the root-mean-square difference （rmsd） from 1.36℃ to 1.26℃. The QSST is only slightly better than the MCSST. For both algorithms, a seasonal dependence of the remaining error statistics is still evident. The Pathfinder approach for deriving a season-specific set of coefficients, one for August to October and one for the rest of the year, provides the smallest rmsd overall that is also stable over time.

关键词： Regional SST algorithm GMS-5 Data quality control cloud detection

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Globus pharyngeus:A review of its etiology,diagnosis and treatment

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World Journal of Gastroenterology 2012年第20期18卷 2462-2471页

作者： Bong eun Lee Gwang ha Kim Department of Internal Medi cine Pusan National University School of Medicine and Biomedical Research InstitutePusan National University Hospital Busan 602-739South Korea

Globus is a persistent or intermittent non-painful sensation of a lump or foreign body in the *** is a commonly encountered clinical condition that is usually long-lasting,difficult to treat,and has a tendency to ***,due to the uncertain etiology of globus,it remains difficult to establish standard investigation and treatment strategies for affected patients. As a first step for managing globus,careful history taking and nasolaryngoscopy are *** the benign nature of the condition and the recent notion that gastroesophageal reflux disease is a major cause of globus,empirical therapy with a high dose of proton pump inhibitors is reasonable for patients with typical *** patients are nonresponsive to this therapy, definitive assessments such as endoscopy,multichannel intraluminal impedance/pH monitoring,and ma-nometry should be *** and language therapy,anti-depressants,and cognitive-behavioral therapy can be helpful in patients whose symptoms persist despite negative investigations.

关键词： Diagnosis Gastroesophageal reflux disease Globus Proton pump inhibitor Treatment

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Inhibitory potential of three Yin-tonification herbal formulas on the activities of human major cytochrome P450 and UDP-glucuronosyltransferases isozymes in vitro

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Journal of Traditional Chinese Medicine 2018年第4期38卷 511-522页

作者： Seong eun Jin Hyeun-Kyoo Shin Hyekyung ha K-herb Research Center Korea Institute of Oriental Medicine Daejeon 34054 Republic of Korea

OBJECTIVE:To investigate the influence of Yin-tonification herbal formulas Jaeumganghwa-tang(Ziyin Jianghuo Tang,JEGHT),Ssanghwa-tang(Shuanghe Tang,SHT) and Yukmijihwang-tang(Liuwei Di huang Tang,YMJHT) on the activities of human major cytochrome P450(CYP450 s) and UDP-glucuronosyltransferases isozymes(UGTs) in ***:The activities of CYP450 s(CYP1 A2,CYP3 A4,CYP2 B6,CYP2 C9,CYP2 C19,CYP2 D6 and CYP2 E1) and UGTs(UGT1 A1,UGT1 A4 and UGT2 B7)were assessed using in vitro fluorescence-and luminescence-based enzyme assays,*** effects of herbal formulas on the activities of CYP450 s and UGTs were presented as IC50 ***:JEGHT showed the potent inhibition of the CYP2 D6 activity,with weak inhibition on the activities of CYP1 A2,CYP2 B6,CYP2 C9,CYP2 C19,CYP2 E1,CYP3 A4,UGT1 A1,UGT1 A4 and UGT2 *** inhibited the activities of CYP1 A2 and CYP2 E1,whereas the negligible inhibition of the activities of CYP2 B6,CYP2 C9,CYP2 C19,CYP2 D6,CYP3 A4,UGT1 A1,UGT1 A4 and UGT2 B7 through SHT was *** inhibited CYP2 E1 activity,with a negligible inhibition on the activities of CYP1 A2,CYP2 B6,CYP2 C9,CYP2 C19,CYP2 D6,CYP3 A4,UGT1 A1,UGT1 A4 and UGT2 ***:These findings provide information about the potential interactions between three Yin-tonification herbal formulas and conventional drugs.

关键词： Yin reinforcing agents CytochromeP-450 enzyme system Uridine diphosphate gluc-uronic acid Transferases Herb-drug interactions

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Effects of Traditional Herbal Formulae on Human CYP450 Isozymes

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Chinese Journal of Integrative Medicine 2017年第1期23卷 62-69页

作者： Seong eun Jin Hyekyung ha Hyeun-Kyoo Shin K-Herb Research Center Korea Institute of Oriental MedicineDaejeon 34054Republic of Korea

Objective：To assess the effects of traditional herbal formulae Sijunzi Decoction（四君子汤,Sagunja-tang,SJZD）,Siwu Decoction（四物汤,Samul-tang,SWD）,Bawu Decoction（八物汤,Palmul-tang,BWD）and Shiquan Dabu Decoction（十全大补汤,Sipjeondaebo-tang,SDD）on the activities of human cytochrome P450（CYP450）,a drug-metabolizing ***：Herbal formula water extracts were filtered and lyophilized after the powder extracts were dissolved in distilled *** activities of major human CYP450isozymes（CYP3A4,CYP2C19,CYP2D6 and CYP2E1）were measured using in vitro fluorescence-based enzyme *** inhibitory effects of the herbal formulas on the activities of CYP450 were characterized as half maximal inhibition concentration（IC50）***：All the tested herbal formulae inhibited CYP2C19activity（IC50：SJZD,83.28μg/m L;SWD,235.54μg/m L;BWD,166.82μg/m L;SDD,178.19μg/m L）;SJZD（IC50=196.46μg/m L）,SWD（IC50=333.42μg/m L）and SDD（IC50=163.42μg/m L）inhibited CYP2E1-mediated metabolism;whereas BWD exhibited comparatively weak inhibition of CYP2E1（IC50=501.78μg/m L）.None of the four herbal formulas significantly affected CYP3A4 or ***：These results suggest that SJZD,SWD,BWD and SDD could potentially inhibit the metabolism of co-administered synthetic drugs whose primary route of elimination is via *** addition,clinically relevant pharmacokinetic interactions could occur when SJZD,SWD or SDD is co-administered with drugs metabolized by *** findings provide information for the safety and effective clinical use of these four classic herbal formulas.

关键词： cytochrome P450 Sijunzi Decoction Siwu decoction Bawu Decoction Shiquan Dabu Decoction,herb-drug interactions

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Chicken soup for teaching and learning ESD

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World Journal of Gastroenterology 2011年第21期17卷 2618-2622页

作者： eun Young Kim Seong Woo Jeon Gwang ha Kim Division of Gastroenterology Department of Internal MedicineCatholic University of Daegu School of Medicine Division of Gastroenterology Department of Internal MedicineKyungpook National University School of Medicine Department of Internal Medicine Pusan National University School of Medicine and Medical Research InstitutePusan National University Hospital

Endoscopic submucosal dissection(ESD) is becoming a popular procedure for the diagnosis and treatment of superficial mucosal lesions,and has the advantage of en bloc resection which yields a higher complete resection and remission rate compared to endoscopic mucosal resection(EMR).However,the learning process of this advanced endoscopic procedure requires a lengthy training period and considerable experience to be proficient.A well framed training protocol which is safe,effective,easily reproducible and cost-effective is desirable to teach *** addition,the training course may need to be tailored around settings such as ethnicity,culture,workload,and disease *** Asian countries with a large volume of early gastric lesions which need endoscopic treatment,endoscopists would be able to learn ESD expanding their skills from EMR to ESD under the supervision of ***,in Western countries due to the low incidence of superficial gastric tumors,trials have utilized simulator models to improve *** Korea,the Korean Society of Gastrointestinal Endoscopy(KSGE) is playing an important role in training many gastroenterologists who have shown an interest in performing ESD by providing an annual live demonstration and a nationwide tutoring *** purpose of this article is to introduce our ESD tutoring experience,review the published papers related to this topic,and propose several suggestions for future directions in teaching and learning ESD.

关键词： Endoscopic submucosal dissection Learning Teaching

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Pendulation reduction on ship-mounted container crane via T-S fuzzy model

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Journal of Central South University 2012年第1期19卷 163-167页

作者： JANG Jae Hoon KWON Sung-ha JeunG eun Tae Department of Control and Instrumentation Changwon National UniversityChangwon 641-773Korea

Ship-mounted container cranes are challenging industrial applications of nonlinear pendulum-like systems with oscillating disturbance which can cause them *** wave-induced ship motion causes the hoisted container to swing during the transfer operation,the swing motion may be dangerously large and the operation must be *** order to reduce payload pendulation of ship-mounted crane,nonlinear dynamics of ship-mounted crane is derived and a control method using T-S fuzzy model is *** results are given to illustrate the validity of the proposed design method and pendulation of ship-mounted crane is reduced significantly.

关键词： ship-mounted crane disturbance pendulation control T-S fuzzy model

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Fatal rhabdomyolysis and disseminated intravascular coagulation after total knee arthroplasty under spinal anesthesia:A case report

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World Journal of Clinical Cases 2022年第4期10卷 1349-1356页

作者： Dae Hun Yun eun ha Suk Wan Ju eun Hyoung Seo Hyun Kang Department of Anesthesiology and Pain Medicine Kwangju Christian HospitalGwangju 61661South Korea

BACKGROUND Rhabdomyolysis develops as a result of skeletal muscle cell collapse from leakage of the intracellular contents into *** severe cases,it can be associated with acute kidney injury and disseminated intravascular coagulation,leading to life threatening *** can occur in the perioperative period from various etiologies but is rarely induced by tourniquet use during orthopedic *** SUMMARY A 77-year-old male underwent right total knee arthroplasty using a tourniquet under spinal *** 24 h after surgery,he was found in a drowsy mental state and manifested features of severe rhabdomyolysis,including fever,hypotension,oliguria,high creatine kinase,myoglobinuria,and disseminated intravascular *** supportive care,cardiac arrest developed abruptly,and the patient was not able to be *** Severe rhabdomyolysis and disseminated intravascular coagulation can develop from surgical tourniquet,requiring prompt,aggressive treatments to save the patient.

关键词： Rhabdomyolysis Total knee arthroplasty Tourniquet Disseminated intravascular coagulation Case report

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Ascaris-mimicking common bile duct stone: A case report

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World Journal of Clinical Cases 2020年第19期8卷 4499-4504页

作者： Seo-Youn Choi ha eun Jo Yun Nah Lee Ji eun Lee Min Hee Lee San ghyeok Lim Boem ha Yi Radiology Soonchunhyang University HospitalBucheonBucheon 14584South Korea Digestive disease center and research institute Soonchunhyang University HospitalBucheonBucheon 14584South Korea

BACKGROUND In most cases,it is not difficult to differentiate common bile duct(CBD)stone from Ascaris infection because they are different disease entities and have different imaging *** two diseases usually demonstrate unique characteristic findings on computed tomography or magnetic resonance ***,we report a rare case from our experience in which a CBD stone mimicked and was misdiagnosed as *** SUMMARY A 72-year-old male presented with elevated serum liver *** tomography showed a hyper-attenuated,elongated lesion in the CBD lumen and associated biliary *** resonance cholangiopancreatography and endoscopic retrograde cholangiopancreatography revealed a linear filling defect in the bile ***,elongated echogenic material with a central hypoechogenic area was seen on endoscopic *** the imaging findings caused us to suspect infection with the nematode Ascaris,the lesion was revealed to be a dark-brown-colored CBD stone through endoscopic *** We report a rare case of a CBD stone that mimicked *** also review the literature for side-by-side comparisons of the imaging features of CBD stones and ascariasis.

关键词： Case report Common bile duct Gallstones Ascaris Ascariasis Multidetector computed tomography Magnetic resonance cholangiopancreatography

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Effect of Meteorological Data Assimilation on Regional Air Quality Forecasts over the Korean Peninsula

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Journal of Meteorological Research 2024年第2期38卷 262-284页

作者： Yunjae CHO Hyun Mee KIM eun-Gyeong YANG Yonghee LEE Jae-Bum LEE Soyoung ha Department of Atmospheric Sciences Yonsei UniversitySeoul 03722Republic of Korea Air Quality Forecasting Center National Institute of Environmental ResearchIncheon 22689Republic of Korea National Center for Atmospheric Research BoulderCO 80305USA University of Maryland Baltimore County BaltimoreMD 21250USA Global Modeling and Assimilation Office NASA Goddard Space Flight CenterGreenbeltMD 20771USA

The Weather Research and Forecasting model coupled with Chemistry(WRF-Chem),a type of online coupled chemistry-meteorology model(CCMM),considers the interaction between air quality and meteorology to improve air quality *** data assimilation(DA)can be used to reduce uncertainty in meteorological field,which is one factor causing prediction uncertainty in the *** this study,WRF-Chem and three-dimensional variational DA were used to examine the impact of meteorological DA on air quality and meteorological forecasts over the Korean *** nesting model domains were configured over East Asia(outer domain)and the Korean Peninsula(inner domain).Three experiments were conducted by using different DA domains to determine the optimal model domain for the meteorological *** the meteorological DA was performed in the outer domain or both the outer and inner domains,the root-mean-square error(RMSE),bias of the predicted particulate matter(PM)concentrations,and the RMSE of predicted meteorological variables against the observations were smaller than those in the experiment where the meteorological DA was performed only in the inner *** indicates that the improvement of the synoptic meteorological fields by DA in the outer domain enhanced the meteorological initial and boundary conditions for the inner domain,subsequently improving air quality and meteorological *** to the experiment without meteorological DA,the RMSE and bias of the meteorological and PM variables were smaller in the experiments with *** effect of meteorological DA on the improvement of PM predictions lasted for approximately 58-66 h,depending on the ***,the uncertainty reduction in the meteorological initial condition by the meteorological DA contributed to a reduction of the forecast errors of both meteorology and air quality.

关键词： meteorological data assimilation regional air quality forecast particulate matter concentration optimal model domain forecast error WRF-Chem

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