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      • KCI등재후보

        雄性不稔性을 利用한 水稻 雜種品種 開發 Ⅹ. 細胞質的 雄性不稔系統×稔性回復親과 不稔維持親×稔性回復親 組合間의 生産性 比較

        Hong Yeol Kim(金弘烈),Mun Hue Heu(許文會) 한국육종학회 1990 한국육종학회지 Vol.22 No.3

        In the breeding of successful hybrid variety of rice, a typical self-pollinated crop, the proper system of male sterility and the desirable fertility restorer with high combining ability are essential. The main objective of this experiment was to secure the possibility of pre-selection for combining ability of newly developing CGMS×restorer crosses with combining ability CGMS maintainer×restorer crosses. Both newly developed CGMS and their maintainers were crossed with 7 Korean cultivars known as Tongil-type restorer and examined their combining ability relationship between maintainer×restorer and CGMS×restorer crosses for grain yield and its associated characters. In the crosses of CGMS maintainer×restorer, the higher relative combining ability was found in two CGMS maintainers, wx498 and wx817, with mean grain yield of 868.1 and 859.2kg/10a, and in three restorers, Milyang57, Milyang56 and Suweon294, with mean grain yield of 925.6, 827.0 and 828.6kg/10a, respectively. The standard heterosis in the cross of CGMS maintainer×restorer ranged from 83.3 to 129.0% with the highest in the cross of wx498×Milyang57 which yielded 1039.7kg/10a. The hybrids of CGMS line×restorer cross which showed higher values of the relative combining ability, showed also the greater combining ability in the crosses of maintainer×restorer with highly significant correlations coefficients in grain yield and its associated characters between two groups of crosses. This may suggest that the results of maintainer×restorer crosses can be utilized in the selection of recurrent parents for the breeding of male sterile lines. Highly significant positive correlations were found between grain yield and both the grain number/panicle and the percentage of filled grains, respectively.

      • KCI등재후보

        雄性不稔을 利用한 水稻 雜種品種 開發 Ⅷ. 統一型 細胞質 雄性不稔系統의 育成 및 育成系統의 組合能力

        Hong Yeol Kim(金弘烈),Mun Hue Heu(許文會) 한국육종학회 1990 한국육종학회지 Vol.22 No.2

        This study was pursued to develope the desirable cytoplasmic male sterility(CMS) systems adaptable to Korean situations. The cytoplasmic male sterility of the WA source such as V20A and Z97A CMS lines were transfered to 10 Korean leading cultivars through the backcross procedure. Those newly developed CMS’ were crossed with 7 Korean cultivars known as restorer and examined their combining abilities of grain yield. Twenty cytoplasmic male sterile lines adaptable to Korean situations were developed utilizing two introduced CMS lines, V20A and Z97A which have WA CMS sources. Among the developed CMS lines, Iri342A, Suweon296A and HR1619-2A derived from V20A, and wx498 A, HR1619-5A and wx817A derived from Z97A showed higher combining ability. Among the restorers tested, Milyang57 and Suweon294 showed the greater relative combining ability to the V20A-derived CMS, but Milyang56 showed the greatest to the Z97A-derived CMS. The standard heterosis in the hybrids of V20A-derived CMS lines/restorer ranged from 78.4 to 132.3% with the greatest of HR1619-2A/Suweon294 cross, and 65.1 to 139.0% in the hybrid of Z97A-derived CMS lines/restorer with the greatest of wx498A/Milyan57 cross. Those two crosses yielded of 1100.2 and 1155.9kg/10a, respectively.

      • KCI등재

        양이온성 계면활성제 거품 지속성 증진방법 연구

        김홍열(Hong Yeol Kim),정승우(Seung Woo Jeong) 大韓環境工學會 2012 대한환경공학회지 Vol.34 No.11

        계면활성제 거품(foam)을 아예 형성하지 못하거나 foam 지속도가 매우 낮은 양이온성 계면활성제의 foam 지속성을 높이는 방법에 대해 연구하였다. 음이온성 계면활성제를 보조제로 첨가하는 방법, 콜로이드를 혼합하는 방법, 수용성 수지인 폴리비닐알콜을 첨가하는 방법 등 다양한 시도를 평가하였다. 각 5% 양이온성 계면활성제 용액의 foam 지속도를 평가한 결과, Cationic starch (CA-ST)는 foam이 전혀 발생되지 않았지만, Methyl triethanol ammonium methyl sulfate distearyl ester (CEQ90)의 foam 지속시간은 평균 46초, Cetyl trimethyl ammonium chloride (CM29)는 평균 31초로서 매우 낮았다. 음이온성 계면활성제 Sodium dodecyl sulfate (SDS) 첨가는 양이온성 계면활성제의 종류에 따라 지속도가 매우 다르게 나타났다. Cationic starch (CA-ST)의 foam 지속도는 매우 크게 증가된 반면 CEQ90와 CM29는 오히려 감소되었다. 콜로이드(SiO₂, kaolin) 혼합이 양이온성 계면활성제 foam 지속도에 미치는 영향을 평가한 결과, CA-ST는 콜로이드 혼합시 foam이 전혀 발생되지 않았고, CEQ90과 CM29는 콜로이드를 주입하였을 경우 주입을 하지 않았을 때보다 지속도가 높아졌다. 수용성수지인 polyvinyl alcohol (PVA)첨가가 양이온성 계면활성제 foam 지속도에 미치는 영향을 평가한 결과, CA-ST는 PVA혼합에서도 foam이 전혀 발생 되지 않았지만, CEQ90과 CM29는 PVA의 농도가 높을수록 foam 지속도가 증가하였다. 양이온성 계면활성제에 음이온성 계면활성제 SDS와 콜로이드를 동시에 첨가한 결과 콜로이드보다 음이온성 계면활성제에 의해 양이온성 계면활성제 foam 지속도가 결정 되었다. 음이온성 계면활성제 SDS와 PVA를 동시에 첨가하여 평가한 결과 PVA보다 역시 음이온성 계면활성제에 의해 양이온성 계면활성제의 foam 지속도가 결정되었다. Foam을 전혀 형성하지 못했던 양이온성 계면활성제인 CA-ST는 음이온성 계면활성제 SDS 0.14%, PVA 2.5% 첨가 조건에서 foam 지속시간이 평균 8,780초로 획기적으로 증가하였고 타 양이온성 계면활성제 CEQ90 보다 약 8배 이상의 지속시간을 보여주었다. 본 연구결과 foam이 형성되지 않거나 지속시간이 매우 짧은 양이온성 계면활성제는 음이온성 계면활성제를 첨가할 경우 foam형성에 도움을 받을 수 있고 colloid 및 PVA 등의 보조를 통해 양이온성 계면활성제의 지속도를 혁신적으로 증가시킬 수 있는 것으로 확인되었다. 그리고 양이온 계면활성제의 foam 지속도는 음이온성 계면활성제의 첨가농도에 의해 가장 큰 영향을 받는 것으로 보인다. This study tried to find a suitable method for enhancing the foam stability of cationic surfactants that normally generate less foam or no foam. Several trials were made to enhance the foam stability: addition of anionic surfactant, colloids and polymer. Cationic starch (CA-ST) did not form foam at all, while the foam stability of two other cationic surfactant also showed low levels; methyl triethanol ammonium methyl sulfate distearyl ester (CEQ90) for 46 sec. and Cetyl trimethyl ammonium chloride (CM29) for 31 seconds. Foam stability of cationic surfactants were significantly affected by addition of anionic surfactant, sodium dodecyl sulfate (SDS). Foam stability of CA-ST was significantly enhanced by addition of SDS, while those of CEQ90 and CM29 were decreased. Addition of colloids (SiO₂, kaolin) and polyvinyl alcohol (PVA) enhanced foam stabilities of CEQ90 and CM29. However, CA-ST did not form foam even in the presence of colloids or PVA. Effect of simultaneous addition of colloids and anionic surfactant on foam stability of cationic surfactant showed that foam stability of cationic surfactant was more influenced by addition of anionic surfactant than colloids. Effect of simultaneous addition of PVA and anionic surfactant on the foam stability of cationic surfactant also showed that presence of anionic surfactant significantly affect the foam stability of cationic surfactant. Foam stability of CA-ST was greatly increased to 8,780 seconds by addition of SDS 0.14% and PVA 2.5%. The foam stability of CA-ST was 8 times higher than CEQ 90. This study suggested that cationic surfactants not forming foam can generate foam by addition of anionic surfactant and its stability can be additionally increased by addition of colloids and PVA. The study results showed that enhancement in foam stability of cationic surfactant was prominently affected by the concentration of anionic surfactant added.

      • 폐교를 활용한 기숙형 중학교 공간분석 연구

        김홍열(Kim, Hong-Yeol),임영환(Lim.Yeong-Hwan) 대한건축학회 2016 대한건축학회 학술발표대회 논문집 Vol.36 No.2

        As closed schools are often located on refreshing area, the potential of it can be seen highly remarkable. Also, it alleviates financial burden compared to new construction, and utilization of side areas such as playground makes it easy for addition and improvement. But when it comes to utilization of closed schools, as many of them are sold or rented to the companies that are not related to the local area, it might damage the view of the area or it might be vulnerable to various crimes. Moreover, in case of Gyeongsangbukdo, when the enforced merge policy is applied, 153 schools of 287 schools are vulnerable for merge. In accordance with this, Education Office of Gyeonsangbukdo established boarding school-type middle schools for birth rate reduction, student number reduction, increase of small scale schools and operation problems. Currently, two boarding middle schools are on operation and one more is planning to be operated. The number of the schools is considered to increase. So, the goal of the study is to examine examples of boarding middle schools abroad, and look for space that can be utilized compared to domestic space.

      • KCI등재

        유색미 화학성분의 품종간 차이

        이호훈,김홍열,고희종,류수노,Lee, Ho-Hoon,Kim, Hong-Yeol,Koh, Hee-Jong,Ryu, Su-Noh 한국작물학회 2006 Korean journal of crop science Vol.51 No.suppl1

        유색미의 이화학적 특성을 구명하고자 현미 색깔이 서로 다른 품종을 재배하여 색도, 일반성분, 지방산, 무기질, 비타민, 식이섬유 등 주요 화학성분을 비교 분석하였다. 그 결과 현미의 색도 L값은 흰색 > 녹색 > 적갈색 > 흑자색의 순으로 낮았고, a값은 적갈색 > 흑자색 > 흰색 > 녹색의 순이었다. 단백질함량은 $7.01{\sim}10.74%$의 범위를 나타내어 현미색에 따른 차이가 컸고 그 중 흑자색인 C3GHi계통이 가장 높았다. 지방함량은 $2.6{\sim}3.3%$의 범위로 큰 차이가 없었다. 비타민 $B_1,\;B_2$ 함량과 식이섬유함량은 흰색에 비하여 녹색에서 현저하게 높은 값을 나타내었다. 지방산조성을 분석한 결과 흰색은 올레산과 레놀레산의 지방산 조성비율이 비슷하였으나 흑자색은 올레산보다는 리놀레산의 비율이 높았고, 적갈색은 반대로 리놀레산 보다 올레산의 조성비율이 더 높게 나타났다. Fe, Zn, Mn을 제외한 대부분의 무기질 함량은 유색미가 흰색 보다 높은 값을 보였고 그 중에서도 녹색이 가장 높았다. The composition of fatty acids, minerals, total dietary fiber and vitamin $B_1,\;B_2$, in pigmented rice varieties were determined. Proximate composition and color were also compared among pigmented rice varieties. Crude protein contents of black rice were higher than those of red and white rice, especially, C3GHi line had the highest protein content. There were no significant differences in lipid and crude ash contents between pigmented and white rice. Black rice showed lower Hunter value L and b value compared with red, green and white rice. But, Green rice showed lower Hunter value a compared with black rice. Green rice showed the higher contents in total dietary fiber, vitamin $B_1\;and\;B_2$ compared with white and black rice. The major fatty acids of pigmented rice were palmitic acid, oleic acid and linoleic acid. The contents of oleic acid was similar to that of linoleic acid in white rice. Oleic acid contents was lower than linoleic acid in black rice, but higher in red rice. Most mineral contents of pigmented rice except Fe, Zn and Mn were higher than those of white rice. Especially, Green rice had the highest mineral content.

      • KCI등재

        난소암 조직에서 Ureaplasma urealyticum의 분리 배양과 검출

        여태홍(Tae Hong Yeo),석원일(Won Il Seok),김홍열(Heung Yeol Kim) 대한산부인과학회 2001 Obstetrics & Gynecology Science Vol.44 No.5

        N/A Background & Objectives : According to recent studies, Mycoplasma DNA was positive in 20% of uterine cervical cancer tissue and 48% of gastric cancer tissue. It also showed the correlation with human cancers and infection of Mycoplasma. Ureaplasma urealyticum(U. urealyticum) is a bacteria of high infection rate in women's urogenital system, but it is difficult to find a report about the relations to cancer. So, the objectives of this studies are to investigate the infection rate of the U. urealyticum from Korean women's ovarian cancer, borderline ovarian cancer and benign ovarian tumor, and to discover the relationship between these ovarian tumors with U. urealyticum's infection. Methods : In obstetrics and gynecology department of Kosin medical college, the PCR procedure and cultivation was performed on extracted cancer tissues of 22 ovarian cancer patients and 5 borderline ovarian cancer patients who had operation, and it was also performed on 30 benign ovarian tumor patients as an control group. Results : The detection freguency of U. urealyticum in ovarian cancer tissue was 31.8% (7/22) which was higher than 13.3% (4/30) of benign ovarian tumor but had no statistical relation (p=0.318). In borderline ovarian cancer, the detection frequency was 0.0% (0/5). The infection frequency of U. urealyticum was 22.7% (5/22) in ovarian cancer tissue and 0.0% (0/5) in borderline ovarian tumor and 3.3% (1/30) in benign ovarian tumor, so the infection frequency was higher in ovarian cancer tissue than benign ovarian tumor which was showing statistical relation (p=0.024). The detection frequency of U. urealyticum from benign ovarian tumor tissue was 23.0% (3/13) in mature teratoma and 16.7% (1/6) in epithelial ovarian tumor, which was showing higher frequency in mature teratoma but had no statistical relation(p=0.589). The infection frequency was showed only in epithelial ovarian tumor as 16.7% (1/6) but also had no statistical relation(p=0.388). The detection frequency of U. urealyticum followed by the FIGO stage of malignant ovarian cancer was 33% in stage I and 30.8% (4/13) in stage III, which was higher in stage I but had no statistical relation(p=0.662). The infection frequency was 11.1% (1/9) in stage I and 30.8% (4/13) in stage III, which was higher in stage III but had no statistical relation(p=0.360). Conclusion : With the above results, there was no significant relation between U. urealyticum infection and ovarian cancer. There is, however, few study and case on ovarian cancer internally and externally. It is considered that more studies on the subject with much cases should be made.

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