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Electroacupuncture on PC6 Prevents Opioid-Induced Nausea and Vomiting after Laparoscopic Surgery

Chinese Journal of Integrative Medicine 2013年第4期19卷 277-281页

作者： Siwoo lee Myeong soo lee Deok Hwa Choi Su Kyung lee Korea Institute of Oriental Medicine University of Science and Technology DaejeonSouth Korea Department of Anesthesiology Wonkwang University School of MedicineIksanSouth Korea Department of Oriental Rehabilitation Medicine Wonkwang University School of Oriental MedicineIksanSouth Korea

Objective： To investigate the treatment time dependence of electroacupuncture （EA） on Neiguan （PC6） for preventing postoperative nausea and vomiting （PONV）. Methods： One hundred and seventy-eight patients, who had received intravenous patient-controlled analgesia （PCA） with Fentanyl, were assigned randomly to three groups using random numbers： a pre-operative EA group （PrEA）, a post-operative EA group （PoEA）, and a non-acupuncture control group （NC）. An anesthetist evaluated the incidence and severity of nausea and vomiting for 48 h after surgery blindly. The main outcomes were severity and freguency of PONV, which were measured with a self-reported questionnaire and a confirmation from the anesthetist. The data were analyzed with ANOVA and Z-test. Results： The incidence of nausea and vomiting was significantly lower in the PrEA group than the NC group during 48 h after surgery （P〈0.01, P〈0.05）. The incidence of vomiting was also significantly lower in the PrEA group than the PoEA group （P〈0.05）. The PoEA subjects evidenced no significant differences compared with the NC subjects in terms of the incidence of nausea and vomiting （P〈0.05）. The severity of nausea was significantly lower in the PrEA group than in the NC and PoEA groups （P〈0.05）. Conclusions： EA on PC6 is effective in the prevention of PONV, and pre-operative acupuncture is more effective than post-operative acupuncture.

关键词： electroacupuncture Neiguan (PC6) postoperative nausea and vomiting

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Prevalence of focal lamina cribrosa defects in eyes with pachychoroid disease spectrum

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International Journal of Ophthalmology(English edition) 2022年第1期15卷 77-82页

作者： hae Min Kang Na Eun lee Jeong Hoon Choi Hyoung Jun Koh Sung Chul lee Harvard School of Public Health BostonMA 02115USA Catholic Kwandong University Incheon 22711Republic of Korea Gongdoek Seoul Eye Clinic Seoul 04214Republic of Korea Choikang Seoul Eye Clinic Seoul 01110Republic of Korea Institute of Vision Research Department of OphthalmologyYonsei University College of MedicineSeoul 03722Republic of Korea Konyang University Hospital Daejeon 35365Republic of Korea

AIM:To determine the prevalence of focal lamina cribrosa(LC)defect among patients with pachychoroid disease spectrum(PDS)in the absence of peripapillary ***:This retrospective,cross-sectional study comprised of 180 patients with PDS,including polypoidal choroidal vasculopathy(PCV),central serous chorioretinopathy,and pachychoroidal *** records and optic ner ve head evaluations conducted using spectral-domain optical coherence tomography with enhanced depth imaging were *** a control group,236 patients who underwent ophthalmologic evaluation for vitreous floaters,without obvious ocular disease,were also ***:The mean age of the PDS group,which included 118 male patients(65.6%),was 57.4±11.1 *** was no significant difference between the two groups in age(P=0.710)or sex(P=0.248).Six patients(3.3%)in the PDS group and none in the control group showed focal LC defect(P=0.318).Among the six patients with focal LC defect in the PDS group,four eyes had PCV,one eye was the fellow eye of a PCV eye,and one eye had pachychoroidal ***:Focal LC defect can be defected in patients with PDS in the absence of peripapillar y ***,the prevalence of focal LC defect was not different significantly between PDS patients and those who did not have PDS.

关键词： central serous chorioretinopathy lamina cribrosa pachychoroid polypoidal choroidal vasculopathy

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Supramolecular Polymer Intertwined Free-Standing Bifunctional Membrane Catalysts for All-Temperature Flexible Zn-Air Batteries

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Nano-Micro Letters 2022年第11期14卷 341-360页

作者： Nayantara K.Wagh Sambhaji S.Shinde Chi Ho lee Sung-hae Kim Dong-Hyung Kim Han-Don Um Sang Uck lee Jung-Ho lee Department of Materials Science and Chemical Engineering Hanyang UniversityAnsanRepublic of Korea Department of Applied Chemistry Center for Bionano Intelligence Education and ResearchHanyang UniversityAnsanRepublic of Korea Department of Chemical Engineering Kangwon National UniversityChuncheonGangwon 24341Republic of Korea

Rational construction of flexible free-standing electrocatalysts featuring long-lasting durability,high efficiency,and wide temperature tolerance under harsh practical operations are fundamentally significant for commercial zinc-air ***,3D flexible free-standing bifunctional membrane electrocatalysts composed of covalently cross-linked supramolecular polymer networks with nitrogen-deficient carbon nitride nanotubes are fabricated(referred to as PEMAC@NDCN)by a facile self-templated ***@NDCN demonstrates the lowest reversible oxygen bifunctional activity of 0.61 V with exceptional long-lasting durability,which outperforms those of commercial Pt/C and RuO_(2).Theoretical calculations and control experi-ments reveal the boosted electron transfer,electrolyte mass/ion transports,and abundant active surface site ***,the constructed alkaline Zn-air battery with PEMAC@NDCN air-cathode reveals superb power density,capacity,and discharge-charge cycling stability(over 2160 cycles)compared to the reference Pt/C+RuO_(2).Solid-state Zn-air batteries enable a high power density of 211 mW cm^(−2),energy density of 1056 Wh kg^(−1),stable charge-discharge cycling of 2580 cycles for 50 mA cm^(−2),and wide temperature tolerance from−40 to 70℃with retention of 86%capacity compared to room-temperature counterparts,illustrating prospects over harsh operations.

关键词： Flexible free-standing membrane electrocatalysts Supramolecular polymer Alkaline and flexible solid-state Zn-air batteries All-temperature operations High capacity and energy density

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Stud welding for fixation of cryogenic insulation of membrane tanks in LNG ship building

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中国有色金属学会会刊：英文版 2009年第B9期19卷 271-275页

作者： Jeong-soo lee Young-soo RYU Nam-In KIM Bong-Joon KIM Yoo-Kyung KIM Myung-Hyun KIM Hanjin Heavy Industries & Construction Co. Ltd Department of Naval Architecture and Ocean Engineering Pusan National University

The support plates including all of the inner hulls such as E grade steel, weld seams and SUS304L were considered to establish the optimal stud welding condition in LNG ship building. The stainless steel plate was especially applied to the bracket on the liquid dome. The polished and etched surfaces of the welded stud and support plate were examined if the bead was properly formed. With the micrographic examination, the fusion boundary of metal weld zone formed by stud welding was analyzed to optimize the welding parameters. And also the analysis of the unacceptable welding faults such as cold and hot weld were performed. The mechanical tests such as tensile tests and bending tests were carried out to reveal any abnormal variation in the relationship of process parameters and the strength.

关键词：螺柱焊接 LNG船绝缘膜优化工艺参数低温坦克不锈钢板最佳条件

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Dynamical theory of spectroscopy with pulse excitation——Application to continuum Raman of IBr

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Chinese Science Bulletin 1999年第2期44卷 139-142页

作者： Jing Lu Kangnian Fan soo-ying lee Fudan Univ Dept Chem Shanghai 200433 Peoples R China Natl Univ Singapore Dept Chem Singapore 119260 Singapore

In the coupling system, the dynamical theory of Raman spectroscopy with pulse excitation was developed, and applied to the continuum Raman of *** structure of Raman excitation profile of IBr was explained, which does ... 详细信息

关键词： pulse excitation IBr Raman.

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Long-term outcomes of penetrating keratoplasty in keratoconus: analysis of the factors associated with final visual acuities

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International Journal of Ophthalmology(English edition) 2014年第3期7卷 517-521页

作者： Jin A Choi Min A lee Man-soo Kim Department of Ophthalmology St. Vincent's HospitalCollege of Medicine the Catholic University of Korea #93 Jungbudae-ro Paldal-gu Suwon-si Kyunggi-do 442-723Korea Department of Ophthalmology and Visual Science Seoul St.Mary's Hospital College of Medicine Catholic University of Korea #505 Banpo-dong Seocho-ku Seoul 137-701 Korea

AIM:To investigate the long-term results of penetrating keratoplasty(PK)in patients with keratoconus(KC)and to evaluate factors that might influence the final visual ***:We retrospectively reviewed the data of all patients with clinical KC who had undergone PK by a single corneal surgeon in a single center from May 1980to December *** age of the patients,preoperative best-corrected visual acuity(BCVA),corneal thickness,death to preservation time,and preservation to transplantation time were ***,postoperative complications such as graft rejection,development of glaucoma and specular microscopy were checked during the ***:Sixty-nineeyesfrom69patientswerefinally *** follow-up period was 8.64±*** rejection occurred in 4 eyes of 69 cases(5.8%),and the time to graft rejection was 2.1±1.3y.A Kaplan-Meier survival analysis showed that the estimated cumulative probability of graft rejection at 6,13,and 17y after PK were 95.6%,90.0%,and 78.8%,*** we evaluated factors that might influence final BCVA in eyes,no disparity donor-host trephine size(same graft size)as well as higher spherical equivalent,and average Kvalue were associated with higher final BCVA.(P=0.006,0.051,0.092,and 0.021 in eyes with follow-up<8y;P=0.068,0.065,and 0.030 in eyes with follow-up≥8y,respectively).CONCLUSION:The long-term results of PK in patients with KC were favorable with a high percentage of good *** myopic change and low average K-reading,as well as a surgical technique using the same size donor-recipient button may provide better visual outcomes particularly in patients with KC.

关键词： keratoconus penetrating keratoplasty visual outcome

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Linking individual attributes and host specialization in brood parasitic cuckoos

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Avian Research 2022年第2期13卷 145-151页

作者： Sue-Jeong Jin hae-Ni Kim Geun-Won Bae Jin-Won lee Jeong-Chil Yoo Korea Institute of Ornithology Kyung Hee UniversitySeoul02447Republic of Korea Department of Biology Kyung Hee UniversitySeoul02447Republic of Korea

Generalist avian brood parasites vary considerably in their degree of host specialization(e.g.,number of hosts);some parasitize the nests of just a few host species,whereas others exploit more than 100 *** factors,including habitat range,habitat type,and geographic location,have been suggested to account for these ***,inter-specific differences in individual attributes,such as personality and plasticity,have rarely been considered as potential factors of such variation,despite their potential relationship to,for example,range *** cage experiments,we tested the hypothesis that parasitic species exploiting more host species may be more active and *** this end,we quantified behaviors exhibited by two Cuculus cuckoos(Common Cuckoo *** and Oriental Cuckoo ***)that vary greatly in their number of host ***,we evaluated exploratory behavior displayed by birds in the cage,such as the number of movements,head-turning,wing-flapping,and *** Common Cuckoo,which has a higher number of host species,tended to exhibit higher levels of exploratory behaviors than the Oriental *** study showed that the two cuckoo species exhibited different exploratory levels,as predicted by the differences in their number of *** studies regarding the causality between individual attributes and host specialization with improved experimental methodology would greatly enhance our understanding of the role of individual characteristics in the coevolution of avian brood parasites and their hosts.

关键词： Brood parasitism Common Cuckoo Individual attributes Number of hosts Oriental Cuckoo

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Formation of intermetallic compound at interface between rare earth elements and ferritic-martensitic steel by fuel cladding chemical interaction

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Journal of Rare Earths 2012年第6期30卷 599-603页

作者： Jun Hwan Kim Byoung Oon lee Chan Bock lee Seung Hyun Jee Young soo Yoon Advanced Fuel Development Division Korea Atomic Energy Research InstituteP.O.Box 105YuseongDaejeon305-600Republic of Korea Department of Mate-rials Science and Engineering Yonsei University134 Sinchon DongSeoul120-749Republic of Korea

The intermetallic compounds formation at interface between rare earth elements and clad material were investigated to demonstrate the effects of rare earth elements on fuel-cladding chemical interaction （FCCI） behavior. Mischmetal （70Ce-30La） and Nd were prepared as rare earth elements. Diffusion couple testing was performed on the rare earth elements and cladding （9Cr2W steel） near the operation temperature of （sodium-cooled fast reactor） SFR fuel. The performance of a diffusion barrier consisting of Zr and V metallic foil against the rare earth elements was also evaluated. Our results showed that Ce and Nd in the rare earth elements and Fe in the clad material interdiffused and reacted to form intermetallic species according to the parabolic rate law, describing the migration of the rare earth element. The diffusion of Fe limited the reaction progress such that the entire process was governed by the cubic rate law. Rare earth materials could be used as a surrogate for high burnup metallic fuels, and the performance of the barrier material was demonstrated to be effective.

关键词： intermetallic compound sodium-cooled fast reactor (SFR) metallic fuel fuel-cladding chemical interaction (FCCI) rare earths Barrier

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A Rapid Adaptation Approach for Dynamic Air‑Writing Recognition Using Wearable Wristbands with Self‑Supervised Contrastive Learning

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Nano-Micro Letters 2025年第2期17卷 417-431页

作者： Yunjian Guo Kunpeng Li Wei Yue Nam‑Young Kim Yang Li Guozhen Shen Jong‑Chul lee Department of Electronic Convergence Engineering Kwangwoon UniversitySeoul 01897South Korea Radio Frequency Integrated Circuit(RFIC)Bio Centre Kwangwoon UniversitySeoul 01897South Korea Department of Electronic Engineering Kwangwoon UniversitySeoul 01897South Korea School of Microelectronics Shandong UniversityJinan 250101People’s Republic of China State Key Laboratory of Integrated Chips and Systems Fudan UniversityShanghai 200433People’s Republic of China School of Integrated Circuits and Electronics Beijing Institute of TechnologyBeijing 100081People’s Republic of China

Wearable wristband systems leverage deep learning to revolutionize hand gesture recognition in daily *** existing approaches that often focus on static gestures and require extensive labeled data,the proposed wearable wristband with selfsupervised contrastive learning excels at dynamic motion tracking and adapts rapidly across multiple *** features a four-channel sensing array composed of an ionic hydrogel with hierarchical microcone structures and ultrathin flexible electrodes,resulting in high-sensitivity capacitance *** wireless transmission from a Wi-Fi module,the proposed algorithm learns latent features from the unlabeled signals of random wrist ***,only few-shot labeled data are sufficient for fine-tuning the model,enabling rapid adaptation to various *** system achieves a high accuracy of 94.9%in different scenarios,including the prediction of eight-direction commands,and air-writing of all numbers and *** proposed method facilitates smooth transitions between multiple tasks without the need for modifying the structure or undergoing extensive task-specific *** utility has been further extended to enhance human–machine interaction over digital platforms,such as game controls,calculators,and three-language login systems,offering users a natural and intuitive way of communication.

关键词： Wearable wristband Self-supervised contrastive learning Dynamic gesture Air-writing Human-machine interaction

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Predictors of pain resolution after varicocelectomy for painful varicocele

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Asian Journal of Andrology 2011年第5期13卷 754-758页

作者： Hyun Jun Park Seung soo lee Nam Cheol Park Department of Urology Pusan National University School of MedicineMedical Research InstitutePusan National University.Busan 602-739Korea

Varioocelectomny is a management option for patients with painful varicocele. In this study, we assessed the effectiveness of varicocelectomy for painful varicocele and examined the factors that might be predictive of outcome. All patients who underwent a varicocelectomy for pain between February 2007 and July 2009 were includecL A review of patient medical records was conducted; patient age,body mass index （BMI）, uede, iocatien of the vericocele, tasticular volume, duration and quality of the pain （dull, draaing, throbbing or sharp） and surgical technique （ingulnal versus subinguinal） were documented. All parameters were compared with the rasolution of pain （complete, partial or failure）. We followed up on 53 of 104 patients （51.0%）. Complete postopanntive resolution of pain was reported by 28 patients （52.8%）, whereas 22 （41.5%） reported partial resolution, Only three patients （5.7%） mpaded failure. No relationship was observed between postoperative pain resolution and age, BMI, grade of varicoceio, location of varicocele, ipsilateral testicular, quality of pain or surgical technique. The duration of pain before surllery was the only factor that correlated with postopaative pain resolution （univariate, P=-0.004; multivariate, P=0.002）. Our rasults indicatethat varicocelectomy isan effective treatmentfar painful varicocele in properly selected patients, and that duration of pain before surgery may be predictive of outcome.

关键词： duration pain testis vadcocele vadcocelectemy

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