http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
프로와 아마추어 씨름선수들의 경쟁상태 및 특성불안에 관한 연구
이한우,육동원,고의석,김경수 한국스포츠리서치 2004 한국 스포츠 리서치 Vol.15 No.1
The purpose of this study was to investigate differences of competition state anxiety (somatic state anxiety, cognitive state anxiety, and state self-confidence) and competition trait anxiety among three groups(highschool, university, and professional Korean Ssireum Players), and between winners and non-winners to analyze and evaluate the state of competition anxiety felt by players. Further more, This study present some useful guiding principles of effective coaching to improve the performance ability and control the competition anxiety of Ssireum players at fields. A total of 487 Ssireum players(204 highschool players, 206 college players and 77 professional players) participated in the SCAT and the CSAI-2 competition anxiety tests. Data were analyzed with One-way ANOVA and T-test. Results were as followings : College players showed significantly lower competition trait anxiety than highschool and professional players. Winner-group showed significantly lower competition trait anxiety than non-winner group. The three groups showed no statistically meaningful differences in the somatic and the cognitive state anxiety, but professional players showed significantly higher state self-confidence than highschool players. There were no differences in somatic state anxiety between winner group and non-winner group, but winner group showed significantly lower cognitive state anxiety and higher state self-confidence than non-winner group.
Kim, Dong-Eog,Ryu, Wi-Sun,Schellingerhout, Dawid,Jeong, Han‐,Gil,Kim, Paul,Jeong, Sang-Wuk,Park, Man-Seok,Choi, Kang-Ho,Kim, Joon-Tae,Kim, Beom Joon,Han, Moon-Ku,Lee, Jun,Cha, Jae-Kwan,Kim, Dae- Korean Stroke Society 2019 Journal of stroke Vol.21 No.1
<P><B>Background and Purpose</B></P><P>Thrombectomy within 24 hours can improve outcomes in selected patients with a clinical-infarct mismatch. We devised an easy-to-use visual estimation tool that allows infarct volume estimation in centers with limited resources. </P><P><B>Methods</B></P><P>We identified 1,031 patients with cardioembolic or large-artery atherosclerosis infarction on diffusion-weighted images (DWIs) obtained before recanalization therapy and within 24 hours of onset, and occlusion of the internal carotid or middle cerebral artery. Acute DWIs were mapped onto a standard template and used to create visual reference maps with known lesion volumes, which were then used in a validation study (with 130 cases) against software estimates of infarct volume. </P><P><B>Results</B></P><P>The DWI reference map chart comprises 144 maps corresponding to 12 different infarct volumes (0.5, 1, 2, 3, 5, 7, 9, 11, 13, 15, 17, and 19 mL) in each of 12 template slices (Montreal Neurological Institute z-axis –15 to 51 mm). Infarct volume in a patient is estimated by selecting a slice with a similar infarct size at the corresponding z-axis level on the reference maps and then adding up over all slices. The method yielded good correlations to software volumetrics and was easily learned by both experienced and junior physicians, with approximately 1 to 2 minutes spent per case. The sensitivity, specificity, and accuracy for detecting threshold infarct volumes (<21, <31, and <51 mL) were very high (all about >90%). </P><P><B>Conclusions</B></P><P>We developed easy-to-use reference maps that allow prompt and reliable visual estimation of infarct volumes for triaging patients to thrombectomy in acute stroke.</P>
100-GHZ BAND TEST OBSERVATIONS OF THE KVN 21-M RADIO TELESCOPES
Kim, Kee-Tae,Byun, Do-Young,Je, Do-Heung,Wi, Seog-Oh,Bae, Jae-Han,Jung, Tae-Hyun,Lee, Chang-Hoon,Han, Seog-Tae,Song, Min-Gyu,Jung, Jae-Hoon,Chung, Hyun-Soo,Kim, Hyo-Ryung,Kim, Bong-Gyu The Korean Astronomical Society 2011 Journal of The Korean Astronomical Society Vol.44 No.3
We carry out 100-GHz band test observations with the newly-constructed KVN 21-m radio telescopes in order to evaluate their performance. The three telescopes have similar performance parameters. The pointing accuracies are about 4" rms for the entire sky. The main beam sizes are about 30" (FWHMs), which is nearly the diffraction limit of the telescopes at the observing frequency (97 GHz). The measured aperture and main-beam efficiencies are about 52% and 46%, respectively, for all three telescopes. The estimated moon efficiency is ~84% for the KVN Tamna telescope. The first sidelobes appear 50" (~1.6${\times}$FWHM) from the main beam centers and the levels are on average -14 dB.
Wi, Youngjin,Le, Hoa Thi,Verwilst, Peter,Sunwoo, Kyoung,Kim, Seo Jin,Song, Jung Eun,Yoon, Hey Young,Han, Geon,Kim, Jong Seung,Kang, Chulhun,Kim, Tae Woo The Royal Society of Chemistry 2018 Chemical communications Vol.54 No.64
<P>We synthesized a fluorogenic disulfide-based naphthalimide thiol probe (ER-Naph) with a hydrophilic endoplasmic reticulum (ER)-guiding glibenclamide unit. Its ER targeting ability and high selectivity to GSH over thioredoxin, a potent competitor, were clearly demonstrated, both in solution and <I>in vitro</I>. Finally, a confocal microscopic investigation revealed that GSH levels in the ER were dramatically decreased under thapsigargin, brefeldin A, and tunicamycin-induced ER stress models.</P>
Wi-Han Kim,Chan-Il Kim,Sang-Won Lee,Soo-Hee Lim,Cheol-Woo Park,Ho Lee,Min-Kyu Park 한국광학회 2010 Current Optics and Photonics Vol.14 No.1
We used video-rate Confocal Laser Scanning Microscopy (CLSM) to observe the motion of blood cells in a micro-channel. Video-rate CLSM allowed us to acquire images at the rate of 30 frames per second. The acquired images were used to perform Particle Image Velocimetry (PIV), thus providing the velocity profile of the blood in a micro-channel. While previous confocal microscopy-assisted PIV required exogenous micro/nano particles as the tracing particles, we employed blood cells as tracing particles for the CLSM in the reflection mode, which uses light back-scattered from the sample. The blood flow at various depths of the micro-channel was observed by adjusting the image plane of the microscope. The velocity profile at different depths of the channel was measured. The confocal micro-PIV technique used in the study was able to measure blood velocity up to a few hundreds μm/sec, equivalent to the blood velocity in the capillaries of a live animal. It is expected that the technique presented can be applied for in vivo blood flow measurement in the capillaries of live animals.
Wi-Han Kim,김찬일,Sang-Won Lee,Soo-Hee Lim,박철우,박민규,Ho Lee 한국광학회 2010 Current Optics and Photonics Vol.14 No.1
We used video-rate Confocal Laser Scanning Microscopy (CLSM) to observe the motion of blood cells in a micro-channel. Video-rate CLSM allowed us to acquire images at the rate of 30 frames per second. The acquired images were used to perform Particle Image Velocimetry (PIV), thus providing the velocity profile of the blood in a micro-channel. While previous confocal microscopy-assisted PIV required exogenous micro/nano particles as the tracing particles, we employed blood cells as tracing particles for the CLSM in the reflection mode, which uses light back-scattered from the sample. The blood flow at various depths of the micro-channel was observed by adjusting the image plane of the microscope. The velocity profile at different depths of the channel was measured. The confocal micro-PIV technique used in the study was able to measure blood velocity up to a few hundreds μm/sec, equivalent to the blood velocity in the capillaries of a live animal. It is expected that the technique presented can be applied for in vivo blood flow measurement in the capillaries of live animals.
Han, Hyun-Ja,Kim, Jeong-Ho,Jeon, Chan-Hyeok,Kim, Wi-Sik,Kim, Do-Hyung,Jung, Sung-Ju,Oh, Myung-Joo The Korean Society of Fisheries and Aquatic Scienc 2013 Fisheries and Aquatic Sciences Vol.16 No.3
We report on mycobacteriosis in an imported tropical ornamental fish Macropodus opercularis commonly known as the paradise fish. Mass mortality occurred in paradise fish imported to Korea from Southeast Asia in 2008. The affected fish did not show any outward clinical signs, but enlargement of the spleen, kidneys, and liver was observed on dissection. Histopathological examination revealed numerous granulomas in the spleen, and acid-fast bacilli were observed in the centers of the granulomas. About 65% of spleen DNA samples were PCR positive using mycobacteria-specific primers targeting the 16S rRNA and hsp65 genes. The nucleotide identities of the 16S rRNA and hsp65 genes with those of Mycobacterium marinum were 99.5% and 99.4%, respectively. Although the bacterium was not cultured, the molecular diagnosis and histopathological findings were consistent with mycobacteriosis in paradise fish.
Grading and Interpretation of White Matter Hyperintensities Using Statistical Maps
Ryu, Wi-Sun,Woo, Sung-Ho,Schellingerhout, Dawid,Chung, Moo K.,Kim, Chi Kyung,Jang, Min Uk,Park, Kyoung-Jong,Hong, Keun-Sik,Jeong, Sang-Wuk,Na, Jeong-Yong,Cho, Ki-Hyun,Kim, Joon-Tae,Kim, Beom Joon,Han, American Heart Association, Inc. 2014 Stroke Vol.45 No.12
<P><B>Background and Purpose—</B></P><P>We aimed to generate rigorous graphical and statistical reference data based on volumetric measurements for assessing the relative severity of white matter hyperintensities (WMHs) in patients with stroke.</P><P><B>Methods—</B></P><P>We prospectively mapped WMHs from 2699 patients with first-ever ischemic stroke (mean age=66.8±13.0 years) enrolled consecutively from 11 nationwide stroke centers, from patient (fluid-attenuated-inversion-recovery) MRIs onto a standard brain template set. Using multivariable analyses, we assessed the impact of major (age/hypertension) and minor risk factors on WMH variability.</P><P><B>Results—</B></P><P>We have produced a large reference data library showing the location and quantity of WMHs as topographical frequency-volume maps. This easy-to-use graphical reference data set allows the quantitative estimation of the severity of WMH as a percentile rank score. For all patients (median age=69 years), multivariable analysis showed that age, hypertension, atrial fibrillation, and left ventricular hypertrophy were independently associated with increasing WMH (0–9.4%, median=0.6%, of the measured brain volume). For younger (≤69) hypertensives (n=819), age and left ventricular hypertrophy were positively associated with WMH. For older (≥70) hypertensives (n=944), age and cholesterol had positive relationships with WMH, whereas diabetes mellitus, hyperlipidemia, and atrial fibrillation had negative relationships with WMH. For younger nonhypertensives (n=578), age and diabetes mellitus were positively related to WMH. For older nonhypertensives (n=328), only age was positively associated with WMH.</P><P><B>Conclusions—</B></P><P>We have generated a novel graphical WMH grading (Kim statistical WMH scoring) system, correlated to risk factors and adjusted for age/hypertension. Further studies are required to confirm whether the combined data set allows grading of WMH burden in individual patients and a tailored patient-specific interpretation in ischemic stroke-related clinical practice.</P>