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      • 산삼 배양액 급여가 돈육의 이화학적 특성에 미치는 영향

        진상근,김일석,송영민,허선진,박기훈,정기종,김동훈,노정만 진주산업대학교 산업과학기술연구소 2006 산업과학기술연구소보 Vol.- No.13

        Berkshire를 이용하여 70일간 산삼 배양액 급여 시 육의 이화학적 특성에 미치는 영향은 다음과 같다. 산삼 배양액의 급여에 의해 육의 수분, 조단백, 조지방, 회분, pH, 가열감량, 콜레스테롤 함량, 육색, 조직감의 응집성과 검성, 포화지방산 및 불포화지방산의 비율은 차이를 보이지 않았다. 보수력, 지방색 L^(*)값, 지방산 중 linoleic acid(18:2), arachidonic acid(20:4), 필수지방산의 함량, 아미노산 중 threonine, glutamic acid, valine, isoleucine, leucine, histidine, lysine 및 총아미노산 함량은 산삼 배양액의 급여에 의해 감소하였다. 전단가, 조직감의 표면경도, 경도, 씹힘성, 지방산 중 stearic acid(18:0), oleic acid(18:1) 함량, 아미노산 중 serine, glycine, cystine, methionine, tyrosine 및 phenylalanine의 함량은 산삼 배양액의 급여에 의해 증가하였다. 본 연구결과를 종합하면 산삼 배양액의 급여는 돈육의 경도를 증가시키는 효과 외에 뚜렷한 이화학적인 차이를 나타내지 않았다. 이러한 이유는 급여된 산삼 배양액 내에 함유된 생리활성 물질의 함량이 낮고, 급여수준이 낮은 결과로 사료되어진다. A total of 60 pigs (Berkshire) were used to investigate the effect of dietary artificial culture medium of wild ginsengs (CMG) on physico-chemical characteristics of pork. About 60 kg pigs were randomly alloted into one of two experimental diet groups (C:commercial diet feed; T:commercial diet + 1 L CMG per day for 70days). Pigs were slaughtered at approximately 110 kg live weight, and chemical composition and physico-chemical characteristics were measured in pork loin. Moisture, crude protein, crude fat and ash were not significantly different by dietary artificial culture medium of wild ginsengs. Water-holding capacity was decreased by dietary artificial culture medium of wild ginsengs, while shear force was increased. However, pH, cooking loss and cholesterol contents were not significantly different between two different treatments. In color, L^(*) of fat was decreased by dietary artificial culture medium of wild ginsengs. Brittleness, hardness and chewiness were increased in dietary artificial culture medium of wild ginsengs group. In fatty acid, stearic acid (18:0) and oleic acid (18:1) were higher in dietary artificial culture medium of wild ginsengs group, whereas linoleic acid (18:2) and arachidonic acid (20:4) were higher in control group. In amino acid, serine, glycine, cystine, methionine, tyrosine and phenylalanine were higher in dietary artificial culture medium of wild ginsengs group, whereas threonine, glutamic acid, valine, isoleucine, leucine, histidine and lysine were higher in control group.

      • KCI등재
      • KCI등재

        만성 요통근로자의 능동적 운동프로그램 효과

        허진강,송재철,노영만,박동식,양영애,김윤신 大韓産業醫學會 2005 대한직업환경의학회지 Vol.17 No.1

        목적: 본 연구는 만성 요통근로자의 세 가지 능동적 운동프로그램 효과에 관한 연구로서 능동적 운동이 요추의 안정성 향상에 미치는 영향을 알아보고자 시도되었다. 방법: 3개월 이상 만성요통을 호소하는 64명의 근로자대상으로 무작위로 일반적인 물리치료그룹, 요추 운동그룹, 흉추 운동그룹, 세 그룹으로 나누었다. 능동적 운동 프로그램은 주 3회, 6개월 동안 실시하였으며, 통증강도, Oswestry 장애지수, 양손을 머리위로 최대한 올려 높이 측정, 요추부 경사각도를 평가하였다. 모든 대상자들은 연구 전, 연구 후 2주, 3개월, 6개월을 같은 측정방법으로 재평가하였다. 결과: 통증강도는 세 그룹 간에 통계적으로 유의한 차이가 없었다. Oswestry 장애지수는 연구 후 6개월에서 세 그룹 간의 유의한 차이가 있었으며, 요추운동그룹과 흉추운동그룹이 일반적인 물리치료그룹에 비하여 유의하게 감소하였다(p<0.05). 양손을 머리위로 최대한 올려 높이측정은 연구 후 3개월과 6개월에서 세 그룹 간에 유의한 차이가 있었으며, 연구 후 6개월에서는 흉추운동그룹이 일반적인 물리치료그룹과 요추운동그룹에 비하여 유의하게 증가하였다(p<0.05). 요추부 경사각도는 연구 후 2주와 3개월, 6개월에서 세 그룹 간에 유의한 차이가 있었으며, 연구 후 6개월에서는 흉추운동그룹이 일반적인 물리치료그룹과 요추운동그룹에 비하여 유의하게 감소하였다(p<0.05). 결론: 3개월 이상 만성 요통을 호소하는 근로자 대상으로 흉추의 운동성 증가를 위한 운동프로그램을 적용하여 흉추의 운동성을 증가시킨 결과에서 보면, 2주 시행하였을 때 요추의 신전 운동프로그램 보다 요추의 안정성 향상에 효과적이며, 6개월 시행하였을 때만, 요추의 심부근 근력강화 운동프로그램보다 요추의 안정성 향상에 효과적이었다. Oswestry 장애지수는 요추의 심부근 근력강화 운동프로그램과 동일하게 감소하였고, 통증강도는 세 그룹 모두 2주 시행하였을 때 감소하는 것으로 나타났다. Objective: To examine the relative efficacy of three active exercise programs for work-related, chronic low back pain, and to observe to what extent the programs affected the mechanical stability of the lumbar region. Methods: The subjects were 64 employees who were randomly divided into three groups to match the three active exercise programs which were performed 3 times a week for 6 months. All subjects were assessed with the same measurements at a pre-study examination, and then were reassessed at 2 weeks, 3 months and 6 months after the study. Results: The pain intensity didn' t show any significant difference among the three groups. However, the Oswestry Disability Index showed significant differences among the three groups at 6 months and the lumbar and thoracic exercise groups showed significant decreases compared to the general physiotherapy group (p<0.05). Maximal stretching with both hands in the overhead direction showed a significant difference among the three groups at 3 months and 6 months, and the thoracic exercise group at 6 months showed a significant increase in overhead stretching compared to the lumbar exercise and general physiotherapy groups (p<0.05). The lumbar region angle of inclination showed significant differences among the three groups at 2 weeks, 3 months and 6 months, with the thoracic exercise group being decreased significantly more than the lumbar exercise and general physiotherapy groups at 6 months (p<0.05). Conclusions: Exercise aimed at increasing thoracic mobility has an effect on lumbar stability. Furthermore, it is far more effective for lumbar stabilization than general physiotherapy and deep muscle strengthening lumbar exercise.

      • SCIEKCI등재

        자연패사(自然貝砂)의 특성과 토양산도 교정력(矯正力)에 관한 연구 : 제주도 및 진도산을 중심으로

        박영대,이윤환,한기학,김복진,허일봉 한국농화학회 1972 Applied Biological Chemistry (Appl Biol Chem) Vol.15 No.3

        The characteristic and efficiency of natural shell sand in the coast of Cheju-Do and Jin-Do were studied to apply as agricultural lime for the soil acid adjustment. 1. The alkalinity of shell sand from Cheju coast was higher than that of Jindo and more weathered into fine particles. The particle size distributions of Cheju shell sand were condensed finer particles than 32 mesh in Cheju shell sands and in more coarser particles than 32 mesh in Jindo one. 2. The effect of Cheju shell sand on increasing soil pH value in the upland condition was low at the beginning but more gradually increased after 8 weeks from the treatment than ground lime, and Jindo was very dull during the period of treatment. The commercial lime crushed from Jindo was approximately equal to the ground lime. 3. In the submerged condition, the shell sand of Cheju reacted with soil acid more quickly than ground lime after 2 days, and Jindo was very slow. 4. The relative efficiency of various particle size fraction of the shell sand was superior to the ground lime. The lime particles between 9 to 14 mesh and 20 mesh had more remarkable difference of pH value than other fine particles. The efficiency among finer sizes than 20 mesh particle was approximately equal to each others. 5. The shell sand from the Cheju would be applied directly as agricultural lime without any treatment, and Jindo also can be expected to be effective as agricultural lime with crushing procedure.

      • C6 glia 세포에서 유도성 Nitric Oxide Synthase 유전자 발현조절에 관한 연구

        배진영,허강민,배소현,박지선,이충재,이재흔,석정호 충남대학교 의과대학 의학연구소 2003 충남의대잡지 Vol.30 No.1

        To investigate transcriptional regulation of iNOS gene by LPS and cytokines, the production of NO, expression of iNOS mRNA and protein, binding activity of nuclear factor-kappa B(NF-kB), and promoter activity of iNOS gene were examined in rat C6 glial cells. LPS, interferon-gamma(IFN-γ), and tumor necrosis factor-alpha (TNF-α) stimulated the production of NO, which was increased synergistically by co-treatment. By the treatment of LPS, iNOS mRNA expression was initiated at 1 h, markedly increased by 3 h, and decreased gradually afterward. iNOS mRNA expression was markedly enhanced by mixture of LPS, IFN-γ and TNF-α. iNOS protein synthesis was increased by the treatment of mixture LPS and cytokine mixture. Treatment of LPS stimulated NF-kB activation, and the activation reached to the maximum level at 30 min, and the treatment of mixture of LPS and cytokines increased the activation. To determine the effect of NF-kB binding activity on iNOS promoter activation, CAT assay was performed. iNOS promoter activity was increased by the treatment with LPS for 5.5 h, and further increased by the combined treatment with LPS and cytokines. These results suggest that NF-kB activation by LPS and cytokines may play a significant role in the induction of the iNOS gene.

      • 학생중심의 활동학습지를 통한 수학과 학습부진아 지도의 효과분석

        오후진,허영애 공주대학교 과학교육연구소 2003 과학교육연구 Vol.34 No.-

        수학의 특성상 기초학력의 결손으로 인하여 학습에 흥미를 상실한 많은 학습 부진아들이 수학은 재미없고 어렵고 싫증나는 과목이라는 편견과 선입견으로 수학과 학습부진을 더욱 가중시키고 있다. 따라서 수학에 대한 흥미를 유발시켜 수학 교육의 질적 향상을 도모하고 자신감과 성취감을 갖게 하며 좌절감에서 벗어나게 하고자 학생중심의 활동학습지를 통한 교수-학습방법으로 지도하고 학업 성취도 및 정의적 영역에서의 효과를 검증했다. 그 결과 부진학생의 학업성취 및 흥미도에 긍정적인 변화가 있었다. The under-achieving students of non-learning think that because of the mathematical characteristics the mathematics are uninteresting, difficult, tired through the failure of the elementary learning and with many prejudice & preconception the mathematics increase more under-achieving learning. So I set up next assumption in order to verify the effectiveness in the schoolworks & the domain (interest) that through the arising about the mathematical interest I planned the mathematical qualitative improvement, there guided the teaching-learning method through active learning for students to escape collapse with the self-confidence, achievement. Assumption 1. The learning through active learning for students will be more effective in mathematical schoolworks than in mainly teacher-lecturing learning(The schoolworks of all students) Assumption 2. The learning through active learning for students will be more effective in the under-achieving students teaching mathematics than in mainly teacher-lecturing learning(The schoolworks of the under-achieving students) Assumption 3. The learning through active learning for students will be more effective in the interest-arising than in mainly teacher-lecturing learning(The interest of all students) Assumption 4. The learning through active learning for students will be more effective in the interest-arising of the under-achieving students teaching mathematics than in mainly teacher- lecturing.(The interest of the under-achieving students)

      • Effects of Oxygen Pressure on the Crystalline of ZnO Films by PLD Method

        조재형,허태봉,곽진성,권대영 부산대학교 유전체물성연구소 2005 유전체 논문집 Vol.4 No.

        We studied the effects of oxygen pressure on the ctystalline of ZnO films on sapphire(001) substrates were deposited by the pulsed laser deposition (PLD) technique and were grown at various oxygen pressure ranging from 5 mtorr to 150 mtorr to investigate the effect of ambient O2 pressure on the structural properties of the films. We found that the lattice constant along the c-axis and the crystalline of ZnO films are sensitive to the O2 pressure.

      • 만삭 신생아의 기흉

        최우경,홍찬의,이동진,허남진,이영환 영남대학교 의과대학 2005 Yeungnam University Journal of Medicine Vol.22 No.2

        Background: This study was performed to evaluate the incidence and clinical characteristics of symptomatic pneumothorax in the full-term neonate. Materials and Methods: We retrospectively reviewed the medical records of 32 symptomatic pneumothorax patients in the full term neonates who admitted to the neonatal intensive care unit in Ulsan Dong Kang General Hospital from January, 2000 to December, 2004. The subjects were divided into two groups according to underlying causes; spontaneous pneumothorax group and secondary pneumothrax group, then each clinical characteristics were assessed. Result: Spontaneous pneumothorax patients were 10(31%) and secondary pneumothorax patients were 22(69%). Overall incidence of spontaneous pneumothorax was 0.4%. Most common cause of secondary pneumothorax was pneumonia. Twelve causes(54.5%) among secondary pneumothorax patients were associated with mechanical ventilator care. Clinical characteristics, courses and managements were similar between two groups, but more shorter duration of admission and chest-tube insertion in spontaneous pneumothorax group Conclusion: The patient with symptomatic pneumothorax needs careful observation and proper management with or without underlying respiratory diseases

      • SCIEKCI등재

        Inhibitory Effects of Super Reductive Water on Plant Pathogenic Fungi

        Hur, Jae-Seoun,Kim, Hae-Jin,Oh, Soon-Ok,Koh, Young-Jin,Kwak, Young-Se,Lee, Choong-Il The Korean Society of Plant Pathology 2002 Plant Pathology Journal Vol.18 No.5

        The antifungal activity of super reductive water (SRW) against plant pathogenic fungi was examined to extend its application to integrated pest management (IPM) for plant diseases. Diluted solutions ($\times$1/10, $\times$1/25, and $\times$1/50) of SRW inhibited fungal growth of kiwifruit soft rot pathogen, Diaporthe actinidiae, in a concentration dependent manner, When kiwifruits were inoculated on wounds with mycelium blocks, stock and diluted solutions successfully inhibited the disease development. In addition to the high pH of the SRW, fungistatic activity was also considered as the cause of the antifungal effect against the pathogen. Whereas conidial germination of Magnaporthe grisea was not affected by the diluted SRW solutions, appressorium formation was significantly inhibited in a concentration dependent manner, With little harmfulness to human health and environment SRW could be used to control plant pathogenic fungi, particularly appressorium-forming fungal pathogens.

      • KCI등재

        A Study of Optimization of Electrodeposited CuSnZn Alloys Electrolyte and Process

        Jin-Young Hur,Ho-Nyun Lee,Hong-Kee Lee 한국표면공학회 2010 한국표면공학회지 Vol.43 No.2

        CuSnZn electroplating was investigated as alternative to Ni plating. Evaluation of electrolyte and plating process was performed to control physical characteristics of the film, and to collect practical data for application. Hull-cell test was conducted for basic comparison of two commercialized products and developed product. Based on hull-cell test results, long term test of three electrolytes was performed. Various analysis on long term tested electrolyte and samples have been done. Reliable and practical data was collected using FE-SEM (FEI, Sirion), EDX (ThermoNoran SIX-200E), ICP Spectrometer (GBC Scientific, Integra XL), FIB (FEI, Nova600) for anlysis. Physical analysis and reliability test of the long term tested film were also carried out. Through this investigation plating time, plating speed, electrolyte composition, electrolyte metal consumption, hardness and corrosion resistance has been compared. This set of data is used to predict and control the chemical composition of the film and modify the physical characteristics of the CuSnZn alloy.

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