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      • KCI등재

        A Risk Management For Prevention of Birds Strike In Urban Parks Close to the Airport

        Mu-Geun Kim,Dam-Yong Park,Joon-Jo Moon,Hyunsu Kim 한국조류학회II 2016 한국조류학회지 Vol.23 No.2

        The Western Seoul Lake Park which lies in Yangcheon Sinwol-dong of Seoul was opened in October 2009. The number and species of birds are expected to continue to increase in the future around the airspace over the Western Seoul Lake Park. The Western Seoul Lake Park is, however, geographically close to the southern end of the Gimpo Airport, and it is located on the approach surface of the obstacle limitation surfaces thereof. For that reason, the probability of bird strikes around the airspace over the Western Seoul Lake Park would be significantly high in comparison with that of bird strikes around the airspace over the other parks near the Gimpo Airport. To assessment of bird strike risk in the Western Seoul Lake Park, we visited four times between 2015 and 2016. And ducks and geese were identified as the most dangerous species. In this paper, we will, through the analysis of the Western Seoul Lake Park case, propose a new approach to bird strike risk management around that Park and also present the improvements of current relevant policies.

      • 間歇的 運動에 의한 脫水 및 水分攝取의 生理的 效果

        朴哲浩,朴吉俊,李相于,金永明,朴贊熙,玄松子,呂南會,朴相甲,金榮俊 東亞大學校附設스포츠科學硏究所 1989 스포츠科學硏究論文集 Vol.7 No.-

        This study aims at revealing the physiological responses of dehydration (DH) and rehydration (RH) in intermittent exercises at the work intensity of 70% HR max. First, with general student public, three times of exercise (each for 20 minutes) at the given work intensity were taken, with a break for 25 minutes respectively. Their heart rate, rectal temperature and plasma electrolyte concentration both DH and RH were measured. Second, in two groups of athletes and non-athletes, 9 rounds of exercise (for 100 minutes) and 8 breaks (for 60 minutes) were taken, with RH forced 10 times to compensate for the subjects' water loss. Their change in sweat loss and plasma electrolyte concentration as well as the IVDP(Intensive Voluntary dehydration Phenomenon) were experimented. The summary of this research follows. 1) Mean heart rate and rectal temperature in intermittent exercises were higher at DH than at RH, growing up at the increasing level of DH. 2) RH saw no change in the plasma concentration of Na+, K+ and Cl-, while DH observed a significant increase. 3) HCO₃made a significant decrease at DH before growing up. 4) Mg++ had no change, while Ca++ increased significantly at RH and DH. 5) Lactate showed an increase with significance at RH and DH, especially greater at DH. 6) Osmotic pressure increased meaningfully at DH. 7) Anion gap increased significantly at DH and RH. 8) On the other hand, when the forced RH was held, the group of athletes had greater sweat loss per body surface area than that of non-athletes. 9) The athletes' plasma concentration of Na+ and Cl- revealed a clear decrease. 10) There was seen no significant change in the plasma concentration of K+, Mg++ and Ca++ in both groups. 11) The IVDP occurred at the RH of 2.3ℓfor athletes and more than 2.5ℓfor no-athletes.

      • KCI등재후보

        월악산국립공원의 곤충다양성에 관한 연구 - 노린재목, 딱정벌레목, 나비목 -

        박성준(Seong-Joon Park),전용락(Yong-Lak Jeon),홍의정(Eui-Jung Hong),윤주창(Ju-Chang Yun),박서경(Seo-Kyoung Park),김병진(Byung-Jin Kim) 국립공원연구원 2010 국립공원연구지 Vol.1 No.4

        본 연구는 2007년부터 2009년까지 3년 동안 월악산 모니터링 조사 지점과 동일지구에 대해 정기적인 주 간조사를 통해 주간곤충류(노린재목, 딱정벌레목, 나비목)의 종목록을 확보 하여, 월악산국립공원의 생태계에 자연적 혹은 인위적으로 변화된 내용을 측정하여 곤충자원의 체계적인 관리를 위한 자료를 제공하고자 실시되었다. 본 조 사기간 동안 채집 확인된 주간곤충류는 65과 404종(노린재목 21과 86종, 딱정벌레목 38과 244종, 나비목 6과 74종) 이 조사되었다. 따라서 문헌조사를 포함한 결과 월악산국립공원에 서식하는 것으로 확인된 주간곤충류는 멸종위기야 생동물 2종, 고유종 6종, 국외반출승인대상종 10종과 특정종 50종을 포함하여 총 72과 609종(딱정벌레목 44과 368 종, 노린재목 22과 126종, 나비목 6과 115종)으로 나타났다. 아울러 조사지점별 분석결과 S3에서 종다양성이 가장 높게 나타났으며, S10은 다른 조사지점과 다르게 종다양성이 현저하게 떨어지는 것으로 나타났다. 각 조사기간별 우점종으로는 2007년과 2009년도에 넉점박이송장벌레, 2008년도에는 더듬이긴노린재로 나타났다. This study were conducted for three years from 2007 to 2009 and at the same points as monitoring surveys, through regular surveys insects (Hemiptera, Coleoptera, Lepidoptera) to obtain the list, to measure and assess  Woraksan National Park ecosystem’s natural or artificial change, to provide data for systematic management of the contents of insects. As a result of all the collections were examined, 404 species of 65 family under 3 order were identified. Therefore, the species composition of insect over each result from Woraksan National Park’s was a total of 3 orders,  72 families, 609 species including 2 Endangered species, 6 Endermic species, 10 Management of exotic species and 50 Designated species; 368 species of family Coleoptera which is the highest, 126 species of family Hemiptera and 115 species of family Lepidoptera. Site 3 had the highest indices diversity. In contrast, Site 10 indices diversity, different  from the other survey points, were significantly low. In each survey period, dominant species included Nicrophorus quadripunctatus in 2007 and 2009. In 2008, dominant species was Pachygrontha antennata.

      • 월악산국립공원의 곤충다양성에 관한 연구 : 노린재목, 딱정벌레목, 나비목

        박성준(Seong-Joon Park),전용락(Yong-Lak Jeon),홍의정(Eui-Jung Hong),윤주창(Ju-Chang Yun),박서경(Seo-Kyoung Park),김병진(Byung-Jin Kim) 국립공원연구원 2010 국립공원연구지 Vol.1 No.3

        본 연구는 2007년부터 2009년까지 3년 동안 월악산 모니터링 조사 지점과 동일지구에 대해 정기적인 주간조사를 통해 주간곤충류(노린재목, 딱정벌레목, 나비목)의 종목록을 확보 하여, 월악산국립공원의 생태계에 자연적 혹은 인위적으로 변화된 내용을 측정하여 곤충자원의 체계적인 관리를 위한 자료를 제공하고자 실시되었다. 본 조사기간 동안 채집 확인된 주간곤충류는 65과 404종(노린재목 21과 86종, 딱정벌레목 38과 244종, 나비목 6과 74종)이 조사되었다. 따라서 문헌조사를 포함한 결과 월악산국립공원에 서식하는 것으로 확인된 주간곤충류는 멸종위기야생동물 2종, 고유종 6종, 국외반출승인대상종 10종과 특정종 50종을 포함하여 총 72과 609종(딱정벌레목 44과 368종, 노린재목 22과 126종, 나비목 6과 115종)으로 나타났다. 아울러 조사지점별 분석결과 S3에서 종다양성이 가장 높게 나타났으며, S10은 다른 조사지점과 다르게 종다양성이 현저하게 떨어지는 것으로 나타났다. 각 조사기간별우점종으로는 2007년과 2009년도에 넉점박이송장벌레, 2008년도에는 더듬이긴노린재로 나타났다. This study were conducted for three years from 2007 to 2009 and at the same points as monitoring surveys, through regular surveys insects (Hemiptera, Coleoptera, Lepidoptera) to obtain the list, to measure and assess Woraksan National Park ecosystem’s natural or artificial change, to provide data for systematic management of the contents of insects. As a result of all the collections were examined, 404 species of 65 family under 3 order were identified. Therefore, the species composition of insect over each result from Woraksan National Park’s was a total of 3 orders, 72 families, 609 species including 2 Endangered species, 6 Endermic species, 10 Management of exotic species and 50 Designated species; 368 species of family Coleoptera which is the highest, 126 species of family Hemiptera and 115 species of family Lepidoptera. Site 3 had the highest indices diversity. In contrast, Site 10 indices diversity, different from the other survey points, were significantly low. In each survey period, dominant species included Nicrophorus quadripunctatus in 2007 and 2009. In 2008, dominant species was Pachygrontha antennata.

      • 당뇨병 환자에서 발생한 대장 가성폐색증 1예

        이재형,강준구,박준성,이창범,박용수,김동선,함준수,김태화,안유헌,박충기 대한당뇨병학회 2002 임상당뇨병 Vol.3 No.2

        가성 장폐색은 기계적인 폐색부위가 없이 복부팽만과 구토 등 장폐색의 증상과 징후가 나타나는 질환을 말하며, 선행원인을 찾을 수 없는 원발성 가성 장폐색과 다른 질환에 이차적으로 발생하는 속발성 가성 장폐색으로 나눌 수 있다. 당뇨병은 잘 알려진 속발성 가성 장폐색의 원인이지만 실제로 당뇨병에 의한 가상 장폐색의 발생 빈도는 매우 드문 것으로 보이며, 가성 장폐색의 적절한 치료에 대해서는 아직 논란이 있다. 저자들은 2형 당뇨병 환자에게 대장에 국한된 급성 가성 장폐색을 진단하고 보존적 치료를 시행하여 호전된 1예를 경험하였기에 문헌고찰과 함께 보고하는 바이다. Colonic pseudo-obstruction is a disorder characterized by gross dilatation of the colon in the absence of any anatomic lesions, which obstructs the flow of the intestinal contents. Diabetes is a well known cause of secondary pseudo-obstruction but its prevalence in rare and not well understood. A 59-year-old woman patient was admitted due to abdominal distension and nausea of a day's duration. She was diagnosed with diabetes 15 years ago, but the condition had been poorly controoled. On the abdominal radiographs, there were marked small and large bowel dilatation with the, exception of the descending colon. Our initial diagnosis was mechanical obstruction, but the possible causes were not found. Also, we could not find another cause of the secondary pseudo-obstruction, with the exception of diabetes mellitus. Thus, she was diagnosed with a diabetes induced intestinal pseudo-obstruction. The colonic dilatation was resolved by conservative management and she became comfortable in 10 hospital days, and was subsequently discharged.

      • KCI등재SCOPUS
      • KCI등재후보

        종합병원 질향상 사업 담당자의 직무만족과 조직몰입에 관한 연구

        박미현,조우현,서영준,이선희 한국의료QA학회 1998 한국의료질향상학회지 Vol.5 No.2

        This study was planned to provide basic data for activating quality improvement by genera hospital with more than 400 beds across the country, of which 65 coordinators answered. Main results of the study are as follows.. 1. Job satisfaction and organizational commitment by individual characteristics were compared. It was revealed that the sense of self-efficacy was related to job satisfaction positively. But job satisfaction and organizational commitment by locus of control showed no significant difference. 2. In terms of the characteristics of QI activities, the active participation of QI coordinators in QI planning process and smooth communication among hospital staffs were showed positive relationship to job satisfaction significantly. 3. Also support system was proposed as most significant variable related to the job satisfaction and the organizational commitment of QI coordinators. Especially support, to Ql activities by CEO's, seniors, and other hospital staff was a factor to enhance the job satisfaction and organizational commitment of QI coordinators. 4. In the aspect of organizational culture, culture which were tendency to be recognized high autonomy in their work and organizational identity strongly and to operate reasonable compensation system were related to job satisfaction and organizational commitment positively. The more formalized climate, supportive communication, cooperative teamwork and promoting creative/ risk take behavior, it showed the higher organizational commitment. 5. For the aspect of QI job characteristics, QI coordinators' job satisfaction was high when QI office was arranged for independent department which was exclusively in charge of QI activities and their role is exclusively in charge of QI. It can be concluded that organizational support in the aspect of relation and finance and efforts of encouraging their motivation and providing on the job training program are need

      • 惡性腫瘍 治療에 應用되는 藥物에 대한 文獻的 考察

        朴?俊,朴用基 동국대학교 한의학연구소 2000 東國韓醫學硏究所論文集 Vol.9 No.-

        韓藥材의 癌治療에 應用 可能性을 硏究한 23種의 論文을 對象으로 하여 文獻的으로 考察한바, 韓醫學에서는 淸熱解毒, 淸熱解血, 活血化瘀, 理氣補神養血, 化痰軟堅, 健脾化濕, 理氣散結하는 韓藥材를 이용하여 扶王法, 祛邪法, 扶正祛邪法으로써 癌治療에 應用하고 있으며, 實驗에 使用된 약물ms 總103種으로 이 中에서 魚腥草는 癌細胞株에 대한 感受性도 높게 나타났지만 正常細胞에 대한 柳制效果는 낮게 나타났고, 吳茱萸, 木香, 黑丑은 20여종의 癌細胞株에 모두 높은 細胞毒性이 나타났으며, 二白草는 HT-29, melanoma, 나-MEL-5에, 知母는 卵??癌 細胞柱에, 三白草는 HT-29 細胞柱에 특히 높은 活性을 보였다. 또한 實驗에 사용된 癌細胞柱 중에서 생쥐 유래의 P815, Yac-1 細胞柱와 사람의 Sarcoma 180, K562, SNU-1 細胞柱가 가장 多用되었다. This studies were examined in orther to investigate the object and the method of animal experimental papers on medicinal herbs of cancer therapeutic activities from the reported 23 literatures containing anti-cancer effects of medicinal herbs. The results were obtained as follows: 1. The oriental medicinal therapies on cancer were Pujeung(扶王法), Kuesa(祛邪法), Pujeungkuesa(扶正祛邪法). 2. The experimental medicinal herbs of cancers therapy were 103 species, which was used for experimental cancer single or combine. Among then, Houttuyniae herba, Polyporus, Manitis squama, Evodiae fructus, Aucklandiae radix and Pharbitidis semen were effective for cancer treatment, while Houttuyniae herbu inhibited tumor cells, but not normal cells. Also, Euodiae fructus, Auckhdiae radix and Pharbitidis semen showed strong cytoxicities on 20 different tumor cell lines, whereas Saururi herba seu rhizomu showed cytoxicity against HT-29 cell, melanoma, SK-MEL-5 cell, and Anemarrhenue rhizoma against ovarian tumor cell only, and Schizonepetae herba against HT-29 cell line only with a potent inhivitory activities. 3. P815 cell, Yac-1 cell, Sarcoma 180 cell, K 562 cell, and SNU-1 cells were frequently used as experimental cancer therapy.

      • KCI등재

        치과용 갈륨합금의 조성변화가 부식 및 기계적특성에 미치는 영향

        박영준,이용렬,이도재,Norling, Berry K,Rawls, H Ralph 대한치과기재학회 2001 대한치과재료학회지 Vol.28 No.2

        This study was performed to evaluate the effects of compositional variations of dental gallium alloys on their corrosion and mechanical behaviors. 60Ag-28Sn-12Cu wt% (ST group) was prepare by atomization. ST-Pd and ST-Pt groups were prepared by substituting part of tin (Sn) with Pd (2 wt%) and Pt (0.05 wt%), respectively. Low-and high-copper amalgam alloys (LCA and HCA) were also prepared by atomization method for comparison. Alloy powders of each group were mixed with liquid gallium alloy that was composed of 61.98Ga-24.99In-12.98Sn-0.05Bi wt%. Specimens were made according to ADA specification no. 1. Corrosion behavior was evaluated by potentiodynamic anodic polarization test together with X-ray diffractometry (XRD), and scanning electron microscopy/energy dispersive spectroscopy (SEM/EDS). 24 hour-compressive strengths and dimensional changes were measured. Following results were obtained. ST-Pd group showed most anodic behavior with the corrosion potential (E□) of-707 mV (vs. SCE), which is a significant shift in the noble direction from the -883 mV(vs.SCE) of the ST group (p<0.05). Among the specimens of St-Pd group, one specimen even had an E□ of -580 mV showing pronounced improvement in corrosion resistance. LCA group showed the worst corrosion resistance, having E□ of -896 mV. Set specimens had multi-phase microstructures consisting of Ag9In4, CuGa₂, □-Sn, Ag□₂Ga₂□, AG₄Sn and Cu3Sn, and all the groups showed similar XRD patterns. Ag9In4 was the main reaction matrix phase showing strongest XRD peak. CuGa2 phase surrounded the unreacted powder particles. A mixture of light Ag9In4 phase and a dark gray Ga42.3-Cu17.1-Ag16.8-Bi0.2 wt% solid solution appeared in the intergranular layer. ST-Pd group required the shortest mixing time. The intensity of the Ag4Sn peak of unreacted powder was lower and peak intensity of Ag□Ga₂□ phase, which is more corrosion resistant, was higher when compared to that of ST group. Sn(Cu)-Cl corrosion products having various morphologies were formed on corroded specimen surfaces. ST-Pd group had lesser deposition of corrosion product compared to other groups. LCA group specimens corroded more than HCA group specimens. 27-hour ST-Pd group showed highest value compared to those of other groups (p<0.05). HCA group showed higher compressive strength compared to that of LCA group. 24-hour setting expansions were ST-Pd*****(0.24%)<<LCH(0.43%)<ST-Pt(0.51%) <ST(0.56%)<<HCA(1.33). ST-Pd group showed significantly lower setting expansion (p<0.014). HCA group having 28 wt% Cu in alloy powder showed 1.33% setting expansion value which is significantly higher than those of other groups (p<0.01). In summary, substituting 2 wt% palladium for 2 wt% tin in the alloy powder improved the corrosion resistance and compressive strength, and reduced the degree of setting expansion. High-copper content induced excessive setting expansion. This finding indicates that there is still room for further improvement of the corrosion resistance and mechanical properties of dental gallium alloys through composition modification. With furher research, there is still a possibility for gallium alloy to become a successful substitute for dental amalgam.

      • KCI등재

        티타늄 상에 강유전성 barium titanate 박막 형성과 분극처리에 의한 유사체액 내에서의 calcium phosphate 생성 증진

        박영준,이용렬,황규석,김은주,임용무,이기헌 대한치과기재학회 2001 대한치과재료학회지 Vol.28 No.2

        This study was performed to fabricate a ferroelectric barium titanate (BaTiO₃, BTO) thin film on Ti substrate and to evaluate the effect of poling treatment for the improvement of calcium phosphate (Ca-P) formation. BTO thin-film was spin-coated on Ti substrate by dipping-pyrolysis technique using coating sol obtained by mixing Ba-naphthenate and Ti-naphthenate as starting substances. Pre-heating temperature of the BTO thin film was performed at 500℃ because organic-solvent was completely volatilized without any crystal growth, and the final heat treatment was performed at 600, 650, 700, 750, 800, 850℃, respectively. By repeating the coating and pre-heating procedure gor 20 times, homogeneous thin film of 0.7㎛ thickness could be fabricated, and it performed well during the poling treatment without breakdown. The final heating treatment of the BTO thin film at 750℃ produced a homogeneous crystalline structure without heterogeneous TiO₂formation, which was confirmed by field emission scanning electron microscope (FE-SEM) and X-ray diffraction analyser (XRD). An average grain size of 20∼30 ㎚ were confirmed by SEM observation. The final heat-treated BTO thin-films were polarized (Ep = 5 V/㎛) from 160℃ to 25℃ in heating chamber for 2 h. The negatively poled BTO thin film (N-BTO), non-poled BTO thin film (BTO), Ti substrate (Ti), and 600℃ heat-treated Ti (Ti-O) were immersed in SBF and Eagle's MEM solution for 15 days at 37℃. After the immersion period, the morphological and compositional changes of the surfaces were investigated using a FE-SEM and an energy dispersive X-ray spectrometer (EDX). After immersion in simulated body fluid (SBF), sodium chloride (Nacl) crystals were formed on Ti, Ti-O, and BTO surfaces due to anion adsorption (Cl), while Ca-P crystals were formed on N-BTO surfaces. We assumed that rapidly adsorded cations (Ca²□ ions) on the negatively charged surface at the initial stage acted as nuclei for the formation of Ca-P crystals. In MEM, sodium chloride (NaCl) was formed on Ti, and Ca-P layer including NaCl was formed on Ti-O. Weak and sparse Ca-P layers were formed on BTO, while thick, homogeneous, and dense Ca-P layer was formed on N-BTO, which was confirmed by FE-SEM and EDX. These results demonstrated that introducing a N-BTO on Ti is an effective method for the improvement of Ca-P formation in SBF and MEM. In conclusion, negatively charged ferroelectric BTO thin-film on Ti would improve the possibility of implant osseointegration.

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