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김봉주,김성길 한국육종학회 2019 Plant Breeding and Biotechnology Vol.7 No.2
During seed production of onion (Allium cepa L.) and Welsh onion (A. fistulosum L.) cultivars, seeds are inadvertently cross-contaminated with each other. However, it is difficult to identify cross-contaminated seeds by visual examination since seed and seedling morphologies of onion and Welsh onion are almost identical. To develop molecular markers for distinguishing onion and Welsh onion at early seedling stages, polymorphic mitochondrial genome sequences between two species were isolated. Using complete mitochondrial genome sequences of onions as references, genome walking was performed to isolate polymorphic Welsh onion sequences. Unlike conserved 3ʹ sequences flanking the atp9 gene, the 5ʹ flanking sequences were completely different between onion and Welsh onion mitochondrial genomes. A simple PCR marker was developed on the basis of polymorphic 5ʹ flanking regions of atp9, and a high resolution melting (HRM) marker was developed based on one of single nucleotide polymorphisms (SNPs) in the 3ʹ flanking regions. A total of 41 onion and 19 Welsh onion cultivars were analyzed using these two molecular markers. Results showed that the onion-specific marker genotype was detected only in onion cultivars, and vice versa. To estimate distribution of onion-specific and Welsh onion-specific organizations of atp9 among Allium species, 14 Allium species related to onion and Welsh onion were analyzed. Results showed that specific organizations were conserved among closely related species of onion and Welsh onion, respectively, implying that there might be no intraspecific variation in the atp9 organizations.
金鳳柱 충남대학교 심령과학연구회 1980 심령과학회지 Vol.- No.5
현대과학은 물질과학 만능의 사상에 사로잡혀 우주만상을 물질적 척도로만 재고 있다. 이것은 일종의 과학미신의 것으로써 크게 잘못된 것이다. 심지어 근대의학은 인간을 하나의 물질체로만 다루고 있다. 동양전래의 음양설에 기초하지 않는다 하더라도 생체는 물질면(육체)과 정신면(마음)을 가지고 있음은 상식적인 것이다. 일찍이 우리 동양에서는 고대 중국이나 인도에서 한때 정신만능의 시대가 없지 않았다. 그것은 르네쌍스 이전의 서양에 있어서 종교만능의 시대가 있었던 것과 비슷하다. 그때는 <신이 전부다>하여 물질과학을 너무 소홀히 했었거니와 지금에 와서는 반대로 물질과학 만능의 풍조로 지나치게 정신과학이 무시되고 있다. 때문에 나는 여러분<심리학도>과 더불어 물질과학도 중요하지만 정신과학도 신중히 여기는, 어느모로도 정신면을 더욱 중요시하는 과학을 시작해야 되겠다는 열의에서 본의의를 설정하였다.
Property Rights and Planned Obsolescence
김봉주 한국계량경제학회 2007 계량경제학보 Vol.18 No.3
We examine how varying the property rights affects the adoption of technologies and the compatibility between products with demand side and supply side economies of scale. In this environment, we obtain the following results. First, the social welfare is maximized by having all consumers use the same technology in the second period. Second, strong property rights may induce the dominant firm to introduce socially inefficient compatible technologies. Third, weak property rights may accelerate planned obsolescence. Finally, under weak property rights, openness of forward compatibility may prevent monopolist from implementing planned obsolescence.
金熙載,金捧柱 慶星大學校 1994 論文集 Vol.15 No.2
The purpose of this paper is a construction about 2 dimensional array with a line data set by selecting co-ordinates data set from given PCX file for map. The map graph is generated from constructed array and is reconform to user function on S envirnment.