밀의 雜種强勢를 이용한 育種硏究

金興培,金惠英 동국대학교 농림과학연구소 1980 農林科學 論文集 Vol.6 No.-

1. Diallel crosses of five varieties of wheat (self pollinating crop) were made and yield components, plant height and heading dates of F_1s were studied to compare the degree of heterosis among the hybrids. 2. Hybrid of Centurk x Chokwang produced 138.56% more spikes per plant than the better parent expressing the highest heterosis and F_1 of centruk x Norin 61 produced 24.18% more showing lowest heterosis. All the other hybrids also expressed high heterosis. 3. Heterosis in spike length was not as high as in the number of spike. The highest was 15.26% followed by 11.89% and 11.49%. A hybrid was intermediate of the parents and Dunav-1 x Chokwnag had shorter spike length than the shorter parent Chokwang. 4. For the number of spikelets highest heterosis was expressed in hybrid of Centurk x kungchao 284 with 9.14%. One hybrid had the same number with the better parent and two were intermediate of the parent. The other hybrids expressed heterosis of 1.61% - 7.8%. 5. For 1000 grain weight, 4 of 8 hybrids showed the heterosis from 14.9% to 1.72%. Two were middle of the parents and two were lighter than the lighter parents. 6. For the plant Height, only the F_1 of Chokwang x Kungchao 284 was taller than the taller parent Kungchao 284 and F_1 of Norin 61 x Chokwang was shorter than the shorter parent Chokwang. 7. Four hybrids out of 8 crosses headed earlier than earlier parents. Heading date of two F_1s was intermediate of their parents. One hybrid headed at the same time with later parent. Heading date of a hybird was later than later parent.

米粒內 蛋白質과 米粒形質과의 相關에 關한 硏究

金興培,胡敎純 동국대학교 농림과학연구소 1979 農林科學 論文集 Vol.5 No.-

Protein content of 10 varieties and endosperm were analysed by microkjeldahl methos. protein content of Honamjoseng in brown rice was high and that of Akibare was low. Milyang 42 and Honamjoseng had high protein content in the endosperm. Akibare showed low protein content in the endosperm. correlation coefficients between protein content and 1000 grain weight. grain length and grain width were calculated. correlation between protein content of brown rice and that of endosperm was very high. Negative correlation was observed between protein and grain width.

보리·밀의 有效分蘖莖率과 主要形質과의 相關

金興培 동국대학교 농림과학연구소 1995 農林科學 論文集 Vol.19 No.-

The percentage of spike-bearing tillers in barley(Hordeum vulgare L.) and wheat(Triticum aestivum L.) was considered to be proper method in comparison of tillers instead of counting number of tillers in these crops. Varietal differences of spike-bearing tillers were significant in barley and wheat. In barley the highest percent of spike-bearing tillers was 98.4% and that of lowest was 88.6%. The percentage of spike-bearing tillers in wheat was higher than barley. The highest was 99.6% and the lowest was 90.8%. Other 6 characters also showed varietal difference both barley and wheat. Relationships between percentage of spike-bearing tillers and 6 characters of barley were all negative but only spike length showed significant correlation. Correlation coefficient between percentage of spike-bearing tillers and spike length was positive and significant in wheat. Except the spike length in wheat, other 5 characters were negatively correlated with percentage of spike-baring tillers. Of these culm length, number of grain, and spike weight showed highly significant correlation.

밀의 優秀交配親選定에 關한 硏究

金興培 東國大學校 1991 東國論叢 Vol.30 No.-

Using variance of F_1, F_2, F_3, Y­ values were calculated for 5 characters on the 4 wheat crosses. Upper 5% and 10% of F_5 population were averaged and compared Y­ value to 5% and 10%. Heritability and correlation were estimated to show the relationships among 5 characters. Number of spikes did not agree Y­ value to 5% and 10% average of F_5. Grain per spike, however, considered to be excellent character due to Y­ value fit well with 5% and 10% average of F_5. Grain per plant and spike length were considered to be bad character because there is big difference between Y­ value and 5% and 10% average of F_5. It was considered that the number of spilkelet was a excellent character. Their Y­ values were exactly same with 5% and 10% average of F_5. Estimates of broad-sense heritability were singinficant in the 5 characters and ranged from 59.75 for grain per plant to 85.75 for number of spikelet. Number of spikelet and grain per spike were excellent characters showing high heritability. Correlation coefficient between number of spikes and grains per plant were 0.9538 that is highly significant and the number of spikelet and grains per spike were 0.5645 that is signiticant.

일반연제 발표 : 부인종양학 1 ; 골반내 수술 기왕력이 있는 환자에서 질식 자궁적출술 231예의 임상적 특성 및 수술기법에 관한 연구

김흥배,박제웅,전현아,이근영,강성원 대한산부인과학회 1999 대한산부인과학회 학술대회 Vol.84 No.-

보리의 搗精程度, 粉粒子의 크기 및 試料量이 Amylose含量, 水分吸收率 및 糊化에 미치는 影響

金興培,朴文雄,曺章煥 동국대학교 1978 論文集 Vol.17 No.-

1. Amylose content, water absorption and maximum viscosity were increased at the higher degree of polishing, but gelatinization time, gelatinization temperature and time to maximum viscosity were not effected. 2. Varietal differences of maximum viscosity were observed at the granule size in 40 to 80 mesh and viscosities of samples were significantly low at 100 mesh high. 3. Gelatinization temperature of Olbori and Suweon 18 were increased at the small granule size but no difference was observed in Buhung. 4. Water absorptons of sample were decreased at the small granule size. 5. Gelatinization temperature in Amylograph was significantly different among varieties with the amount of sample. 6. Fifty grams of tested sample in barley was suitable for Amylograph.

麥類 播種深度에 다른 形質들의 反應및 相關

金興培 동국대학교 산업기술대학원 1993 산업기술논문집 Vol.1 No.-

Deep sowing caused elongation of barley plant height but did not cause that of wheat. Long straw wheat variety Yongkwang showed the longest plant height when the seed was planted at 5Cm deep. In both case of barley and sheat, deep sowing caused decreased number of culms. Spike length of barley and sheat were not affected by the sowing depth but spike length of wheat variety Bezostyal was shorter by deep sowing. There was no effect of the both number of grain of barley and number of spikelet of wheat by deep sowing. Positive significant correlation was found between plant height and sowing depth in barley but low negative correlation was found in wheat. Negative correlation was observed between number of culms and sowing depth in barley and wheat. Various correlation from negative to positive was found among varieties. Correlation between number of grain and sowing depth showed 0.985 in Olbori and 0.075 Buhung and others are moderate but positive.

탄소섬유 에폭시 복합재료의 드릴링 특성에 관한 연구

김흥배 전남도립대학교 2000 전남도립대학교 논문집 Vol.3 No.-

Carbon fiber epoxy composite materials are widely used in the structures of aircrafts, robots and other machines because of their high specific strength, high specific stiffness and high damping. In order for the composite materials to be used in the aircraft structures or machine elements, accurate surfaces for bearing mounting or joints must be provided, which require precise machining. In this paper, the machinability characterisitcs of the drilling operation of the carbon fiber epoxy composite materials was experimental1y investigated. The experimental results are as follows l. The entrance of hole is very good manufacturing existing, but exit come to occur sever surface exfoliation. 2. The cutting force in drilling of the carbon fiber epoxy composite materials is decreased as the drilling speed increased. 3.The hole of the carbon fiber epoxy composite materials is not good manufacturing by use of the standard twist, therefore, the new drill design in order to accurate hole.

窒素質 肥料의 特性 및 硫黃施肥에 따른 水稻成長에 關한 硏究

金興培,金炅濟,申柄湜,文世基,金奇珠 한국작물학회 1975 한국작물학회지 Vol.20 No.1

적외선 열화상 카메라를 이용한 고속가공에서의 열 발생 특성

김흥배,이우영,최성주,유중학 한국공작기계학회 2001 한국공작기계학회 춘계학술대회논문집 Vol.2001 No.-

The term 'High Speed Machining' has been used for many years to describe end milling with small diameter tools at high rotational speeds, typically 10,000 - 100,000 rpm. The process was applied in the aerospace industry for the machining of light alloys, notably aluminium. In recent year, however, the mold and die industry has begun to use the technology for the production of components, including those manufactured from hardened tool steels. With increasing cutting speed used in modern machining operation, the thermal aspects of cutting become more and more important. It not only directly influences in rate of tool wear, but also will affect machining precision recognized as thermal expansion and the roughness of the surface finish. Hence, one needs to accurately evaluate the rate of cutting heat generation and temperature distributions on the machining surface. To overcome the heat generation, we used to cutting fluid. Cutting fluid play a roles in metal cutting process. Mechanically coupled effectiveness of cutting fluids affect to friction coefficient at tool-work-piece interface and cutting temperature and chip control, surface finish, tool wear and form accuracy. Through this study, we examined the behavior of heat generation in high-speed machining and the cooling performance of various cooling methods.