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유망시되는 옥수수 품종간교잡의 $F_2$ 및 $F_3$에 있어서의 수량감소
조재연,란티칸 알.엠.,Chea-Yu Cho,R.M. Lantican 한국작물학회 1973 Korean journal of crop science Vol.- No.14
(1) 과거시험에서 권장되고 있는 복교잡종을 수량적으로 능가하였거나 대등한 결과를 나타낸 $F_1$ 품종간교잡의 $F_2$ 및 $F_3$의 생산성을 평가검정할 목적으로 11개의 황색종 품종간교잡과 5개의 백색종 품종간교잡종 및 이들의 $F_2$와 $F_3$와 더불어 각 양친품종 및 표준복교잡종 등을 1963년 우기와 1963-1964 년 건기에 걸쳐 생산력검정을 하였다. 다만 전자시험은 몹시 강한 태풍의 피해 때문에 유효한 성적을 얻지 못하였다. (2) 품종간 교잡종의 $F_1$에서 Heterosis는 아주 현저하여 양친의 평균치에 비하여 39.9%의 증수를 나타내었고 $F_2$의 수량감소는 평균 30.3%였으며 $F_3$는 평균 27.2%이었다. (3) $F_2$와 $F_3$ 세대에서는 상당한 정도의 감수가 나타나서 평균하면 $F_2$는 17.6% 그리고 $F_3$는 20.7%의 감수를 보여주었다. 이 두 세대에서의 Heterosis강세는 2수준으로 표현되었는데 4개의 조합에서는 10.9%, 그리고 나머지 12개조합에서는 22.0%이었다. 1개황색종조합 Cuban Yellow Flint${\times}$Hawaiian Flinty Dent와 3개백색종조합 Bicol White Flint${\times}$Eto Blanco, College White Flint${\times}$Eto Blanco 및 Bicol WHite Flint${\times}$Narino 33b 등은 각각 표준복교잡종인 Philippine Hybrid No. 1 및 Philippine Hybrid No. 4와 비슷한 수량성을 나타내었다. (4) Hardy-Weinberg 법칙이 명시하는바와 같이 Panmixis의 경우 유적적평형(Genetic equilibrium)이 $F_2$에서 이루어지는 것은 명확한 것으로서 $F_2$와 $F_3$의 수량사이에는 어떠한 유의성도 발견되지 않았다. (5) 이전시험에서와 같이 Hawaiian Flinty Dent는 현 장려복교잡종인 Philippine Hybrid No.1과 거의 동일한 수량을 보여 주었으므로 장차 육종사업에 좋은 자료가 될 것으로 믿는 바이다. 1. In order to evaluate the performance of the $F_2$ and $F_3$ generations of $F_1$ varietal crosses which in past trials yielded better than or as high as the recommended double-cross hybrids, eleven yellow and five white-endosperm $F_1$ varietal crosses, their $F_2$ and $F_3$ generations, and the parental open-pollinated varieties together with the standard double-cross hybrids were tested in performance trials in the 1963 wet and 1963-64 dry seasons. The former trials, however, failed due to a strong typhoon that damaged the crop. 2. Net hybrid vigor was highly manifested in grain yield in the $F_1$ varietal crosses, which on the average was 39.9 per cent of the mid-parent yields. Reduction in heterosis was 27.2 per cent in the $F_2$and 30.3 per cent in the $F_3$ generation, respectively. 3. A fairly high degree of reduction in yield occurred in the $F_2$ and $F_3$ generation. On the average, the $F_2$ generation decreased by 17.6 per cent and the $F_3$ by 20.7 per cent. The losses in two generations were exhibited in two levels; four crosses decreased by 10.9 per cent and twelve combinations by 22.0 per cent. The advanced generations of one yellow cross, Cuban Yellow Flint ${\times}$ Hawaiian Flinty Dent, and three white flint crosses, Bicol White Flint ${\times}$ Eto Blanco, College White Flint ${\times}$ Eto Blanco and Bicol White Flint ${\times}$ Nariono 330b, yielded as high as Philippine Hybrid No.1 and Philippine Hybrid No.4, respectively. 4. No significant differences in yield were obtained between the $F_2$ and $F_3$ populations, showing that genetic equilibrium was reached in $F_2$, as may be expected in view of the Hardy-Weinberg law on panmixis. 5. As in past trials, Hawaiian Flinty Dent, a variety, yielded as high as Philippine Hybrid No. 1.
이상자녀수(理想子女數)와 가임부(可姙婦)들의 특성(特性)에 관(關)하여
조재연,Cho, Je-Young 대한예방의학회 1974 Journal of Preventive Medicine and Public Health Vol.7 No.1
Recently, during several years the number of ideal children have not changed at all. Because the most of Korean people considered that son is necessary absolutely for dependence in old age inheritance of family line and holding ritural and so on. Threfore, without revolution of value system for children we could no more expect to reduce fertility rate. The survey is intended to compare the characteristics between those women who want two or less number of ideal children and all married women(regardless the number of ideal children). The results showed as follows: The women who want small size of family were younger and little better educated than those of all married women. The age at marriage of women who want small size of family was older than that of all married women. The conducted rate of induced abortion and acceptance rate of contraception among those women who want small size of family were higher than those of all married women. The rate of those who want less than 2 children socalled ideal No. among all married women was 3.9 percent.
스마트 기기 환경에서 전력 신호 분석을 통한 프라이버시 침해 위협
조재연(Jae yeon Cho),윤지원(Ji Won Yoon) 한국정보보호학회 2015 정보보호학회논문지 Vol.25 No.5
스마트 그리드 안에서 고안된 스마트 미터는 우리가 사용하는 전력 신호를 실시간으로 데이터화해서 전력 공급단의 메인 서버로 전송한다. 이를 통해 전력 관리의 효율성은 증가한 반면, 사용자의 정보를 담은 데이터의 보안 문제가 새로운 위협으로 부상하였다. 본 논문은 스마트 미터에서 추출한 전력 데이터를 통해 가정 내 기기의 식별 및 기기별 사용패턴에 대한 추론을 보안 관점에서 해석함으로써 스마트 기기 환경에서 데이터 노출의 위협을 지적한다. 주성분분석(Principal Component Analysis)으로 데이터의 특징을 추출하였고 k-근접 이웃(k- Nearest Neighbor)분류기로 기기를 식별하고 기기상태를 추론하였으며, 검증방법으로는 10차 교차검증(10-fold Cross Validation)을 활용하였다. In Smart Grid, smart meter sends our electric signal data to the main server of power supply in real-time. However, the more efficient the management of power loads become, the more likely the user’s pattern of usage leaks. This paper points out the threat of privacy and the need of security measures in smart device environment by showing that it’s possible to identify the appliances and the specific usage patterns of users from the smart meter"s data. Learning algorithm PCA is used to reduce the dimension of the feature space and k-NN Classifier to infer appliances and states of them. Accuracy is validated with 10-fold Cross Validation.
원저 : 기도 이중 양압(BiPAP)을 이용한 비강 간헐 양압환기의 임상적 적용
조재연 ( Jeo Youn Cho ),이상엽 ( Sang Youb Lee ),이상화 ( Sang Hwa Lee ),박상면 ( Sang Myun Park ),서정경 ( Jung Kyung Suh ),심재정 ( Jae Jeong Shim ),인광호 ( Kwang Ho In ),강경호 ( Kyung Ho Kang ),유세화 ( Se Hwa Yoo ) 대한결핵 및 호흡기학회 1995 Tuberculosis and Respiratory Diseases Vol.42 No.5
자본시장법 제443조에서의 ‘내부자거래규제 위반행위로 얻은 이익 또는 회피한 손실액’ 산정방법에 대한 小考
조재연(Cho, JaeYeon),조인호(Cho, InHo) 한양법학회 2010 漢陽法學 Vol.32 No.-
Article 443 of the Act on Capital Market and Investment Banking contains the phrase, “the amount of the profit gained or loss avoided as a result of insider trading violations”, as a basis for imposing criminal penalties upon insider traders. This article deals with the calculation method of the profit gained or loss avoided causally connected to the insider trading violation by means of the following: First, this article reviews the recent Korean Supreme Court decision, 2004Doh491 and points out a few problems of the Supreme Court decision. Second, this article briefly explains the civil penalty (imposing up to three times the profit gained or loss avoided) in the United States Securities Exchange Act of 1934, section 21A which is the model law of the Korean statutory provision. It also indicates the significant difference between the two countries in burden of proving the profit gained or loss avoided. Third, this article examines the “calculation method of the profit gained or loss avoided” used by the Korean regulatory authorities concerned and then points out several potential problems thereof. This is accomplished in comparison with the calculation method found in the statutory provision, case law and scholarly opinions in the United States.
불평형 전원 시스템하의 위상각 검출에 의한 능동전력필터의 순시보상 전류제어
조재연(Jae-Yun Cho),정영국(Young-Gook Jung),임영철(Young-Cheol Lim) 전력전자학회 2000 전력전자학술대회 논문집 Vol.2000 No.11
This paper describes a new algorithm for active power filters which can be control source current symmetrically under unbalanced condition in power system. Positive sequence voltage is detected by symmetrical coordinate method, and compensating reference current of active power filters is calculated using by accurate phase angle information of positive sequence voltage. The basic principle of the proposed method is describe<! in detail, and the conventional and proposed phase detecting methods are compared and discussed through the simulation results.
외부 방사선 치료 조사후 재발한 기관지내 악성종양에서 고선량율 근접조사치료(High Dose Rate Brachytherapy)의 효과
조재연 ( Jae Youn Cho ),인광호 ( Kwang Ho In ),서정경 ( Jung Kyung Suh ),강세용 ( Sea Yong Kang ),심재정 ( Jae Jeong Shim ),강경호 ( Kyung Ho Kang ),김광택 ( Kwang Taek Kim ),김철용 ( Cheol Yong Kim ),유세화 ( Se Hwa Yoo ) 대한결핵 및 호흡기학회 1998 Tuberculosis and Respiratory Diseases Vol.45 No.1
비대칭이며 왜형된 전원전압/전류와 불평형 부하전류를 고려한 능동전력필터의 제어 알고리즘
조재연(Jae-Yun Cho),정영국(Young-Gook Jung),임영철(Young-Cheol Lim) 전력전자학회 2000 전력전자학술대회 논문집 Vol.2000 No.11
This paper describes a new algorithm for active power filters which can be controlled source current symmetrically under unbalanced and distorted source voltage/current and unbalance nonlinear load current. Positive sequence voltage in synchronous reference frame is detected by symmetrical coordinate method, and compensating reference current of active power filters is calculated using by accurate phase angle information of positive sequence voltage, The basic principle of the proposed method is described in detail, and the conventional and proposed methods are compared and discussed through the MATLAB/SIMULINK simulation results.