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이영인 진주산업대학교 1970 論文集 Vol.4 No.-
종래의 밭농사 위주의 방법을,재배폭이 넓은 논보리 방식으로 재배시험하여 수량이 많고 내습,내병,내도복성이 높은 품종을 선발하여 논보리방식에 적합한 쌀보리 품종을 장려하고저 경남의 과맥장려품종인 청맥, 경과1호와 타도의 장려품종인 죽하, 괴과, 전북 53호 진안동, 논산과 1호∼6, 백동, 도원의 9품종을 2년간 시험을 시행했던바 품종 반복 모두 유의성이 있었으며 죽하 103.2, 청맥 100.0, 경과1호 98.3, 도원 95.7의 순위로 양호하였으며, 특히 경남의 장려품종인 청맥은 내습,내병,내도복성이 높았으며, 의연 우수한 품종으로 인정되었다. At the present time, the food situation is so serious in Korea. Barley is one of main food crops as rice. Naked barley shows generally higher yields than barly. If naked barley could be growed on the paddy fields as after crops, the breakthrough of food self-sufficience will be accomplished easily. Since this experiment was carried out to select naked barley adapted for after cropping culture. The experimental varieties were Cheongmaik and Kyeungkwa, which were recommended naked barlies of Kyeungnam provins and recommended varieties of other provinces; Juckhwa, Kwuikwa, Chonpuck No.3, Chinandong, Nonsankwa No.1-6, Baikdong, Dowon. The results obtained in this experiment were as follows; 1. Juckhwa, Cheongmaik, Kyeungkwa No.1, Dowon showed such as following yield index 103. 2,100. 0, 98.3, 95.7 in term, respectively 2. Especialy, Cheongmaik which was recommended variety of Kyeungnam province, was so highly resistant to disease, responsive to application of fertilizers, resistant to lodging that it will be cultured as a double croping system in the paddy field.
이영인,이영호,김대현,조철효,정헌수 대한건축학회 1998 大韓建築學會論文集 : 構造系 Vol.14 No.10
콘크리트가 건설재료로 쓰이기 시작한 이래 최근의 수십 년 동안 건축기술 의 향상으로 건축물은 현저하게 대형화, 초 고층화됨에 따라 높은 층 전단 력과 전도 모멘트가 발생되기 때문에 고층건물의 골조에는 높은 전단성능 이 요구되고, 하층부 기둥에는 고축력에 저항할 수 있는 성능이 요구된다. 따라서 고강도 콘크리트는 이러한 고축력에 대한 요구사항을 만족시킬 뿐 만 아니라 작은 단면으로 보다 넓은 공간을 확보, 장스팬, 건물의 경량화를 꽤할 수 있다. 그러나, 고강도 콘크리트는 높은 압축강도를 가지는 반면 낮 은 재료적인 특성 때문에 쉽게 취성 파괴하는 성질이 강하고, 특히 축력을 받는 기둥부재는 그러한 취성적인 성질의 영향을 크게 받음으로 이를 보안 하는 것에서는 상당히 미흡한 실정이며 보다 많은 연구·검토가 필요하다. 또한, 고강도 콘크리트 기둥에 대하여도 일반 강도 콘크리트에 대한 규준 을 확장 해석하여 적용하고 있어, 이에 대한 적용가능성 여부는 의문시 되 므로 고강도 콘크리트에 대한 규준을 정립하는 것은 시급한 문제로 대두되 고 있다. 따라서, 본 연구에서는 띠철근으로 보강된 철근콘크리트 기둥부재의 축압 력에 대한 종국내력과 연성에 미치는 띠철근 배근형태를 콘크리트의 강도 에 따라 실험적으로 검토하고, 그 실험결과를 기존의 제안식들과 비교하여, 고강도 콘크리트를 사용한 기둥에 대한 기초자료로 활용하고자 한다.
급속소결에 의해 제조된 Al<sub>2</sub>O<sub>3</sub>/Fe-Ni 나노복합재료의 미세조직 및 기계적 특성
이영인,이근재,장대환,양재교,좌용호,Lee, Young-In,Lee, Kun-Jae,Jang, Dae-Hwan,Yang, Jae-Kyo,Cho, Yong-Ho 한국분말야금학회 2010 한국분말재료학회지 (KPMI) Vol.17 No.3
A new High Frequency Induction Heating (HFIH) process has been developed to fabricate dense $Al_2O_3$ reinforced with Fe-Ni magnetic metal dispersion particles. The process is based on the reduction of metal oxide particles immediately prior to sintering. The synthesized $Al_2O_3$/Fe-Ni nanocomposite powders were formed directly from the selective reduction of metal oxide powders, such as NiO and $Fe_2O_3$. Dense $Al_2O_3$/Fe-Ni nanocomposite was fabricated using the HFIH method with an extremely high heating rate of $2000^{\circ}C/min$. Phase identification and microstructure of nanocomposite powders and sintered specimens were determined by X-ray diffraction and SEM and TEM, respectively. Vickers hardness experiment were performed to investigate the mechanical properties of the $Al_2O_3$/Fe-Ni nanocomposite.
이영인,이승주,노완섭 ( Young In Lee,Seung Ju Lee,Wan Seob Noh ) 한국응용생명화학회 1997 Applied Biological Chemistry (Appl Biol Chem) Vol.40 No.1
Modified starches were used as additives to make tomato ketchup, and their effects on the rheological properties, serum separation and sensory characteristics of the tomato ketchup were examined. The magnitudes of the yield stress and the consistency index of the tomato ketchup with the additives, regarded as a Herschel-Bulkley fluid, were found to be in the order of ADA(acetylated distarch adipate)$gt;SA(starch acetate)$gt;HDP(hydroxypropyl distarch phosphate)$gt;RCS(raw corn starch)$gt;NS(no starch). The flow behavior indices of SA added ketchup and HDP added one were nearly constant regardless of the additive concentrations, whereas those of ADA and RCS increased with the additive concentration. In the serum separation test by centrifugation, the ADA added ketchup showed the highest stability against separation, being followed by SA$gt;HDP$gt;RCS$gt;NS. In the sensory evaluation, the magnitudes of the acceptance of the ketchup with the additives were as ADA(2%)$gt;SA(2%)$gt;RCS(2%)$gt;NS$gt;HDP(2%).
이영인 진주산업대학교 1971 論文集 Vol.8 No.-
This experiment was carried out to clarify the adeguete seeding time of millet, buck wheat, adzuki bean, green gram as substitute crops at Sogog-ri, Jeongochon-myen,chinyang-gun, Kyeungsang-man-do, 1969, The results oftained in this experiment were summarized as follows; 1. Germination and growth of millet were not sigorous, at early time but millet growed well at middle time because of adequete rainfall. Ear langth was longer, 1,000 grains weight was more hoauy and higher yiold as 25% in the plot seeded on Aug,5 than other plot Highly signicant difference in yield was shown in the plot seeded on Aug,5 2. In the growth of buckwheat, all plots of the treatments were good because of adequete climatic conditions during the growing time of buckwbeat, more yiold was produced in the plot seededon July 20 than other plot, and highly significance in yield was appeared in the plot seed on July 20, according to delay the seeding time, there was a tendancy that yield of buckwheat was decreased. 3. Gergmination and growth of adzuki bean were generally good, According to seed early, maturing time of adzuki bean was early and virus disease was larely apperd. Higber yield was recognized in the plot seeded July 30 than other plot, and highly significance was recognized. 4. Germination and growth of green were generally good. In the plot seeded on July 20, number of pod and 1,000 grains weight were increased, therefore, higher yield was recognized, and highly significant difference in yield was appeared.
초음파분무 열분해법을 이용한 고체산화물 연료전지용 세리아계 복합체 전해질의 제조 및 특성
이영인,좌용호,Lee, Young-In,Choa, Yong-Ho 한국분말야금학회 2014 한국분말재료학회지 (KPMI) Vol.21 No.3
Much research into fuel cells operating at a temperature below $800^{\circ}C$. is being performed. There are significant efforts to replace the yttria-stabilized zirconia electrolyte with a doped ceria electrolyte that has high ionic conductivity even at a lower temperature. Even if the doped ceria electrolyte has high ionic conductivity, it also shows high electronic conductivity in a reducing environment, therefore, when used as a solid electrolyte of a fuel cell, the powergeneration efficiency and mechanical properties of the fuel cell may be degraded. In this study, gadolinium-doped ceria nanopowder with $Al_2O_3$ and $Mn_2O_3$ as a reinforcing and electron trapping agents were synthesized by ultrasonic pyrolysis process. After firing, their microstructure and mechanical and electrical properties were investigated and compared with those of pure gadolinium-doped ceria specimen.