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평활근 증식과 점액성 기질 변화를 보인 사구맥관근종 1 예
김창덕(Chang Duk Kim),박재홍(Jae Hong Park),류영욱(Young Wook Ryoo),김병천(Byung Chun Kim),이규석(Kyu Suk Lee) 대한피부과학회 2001 대한피부과학회지 Vol.39 No.10
Glomus tumors are benign neoplasms that are derived from modified smooth muscle cells known as glomus cells. Histologically, it can be subdivided as glomus tumor proper, glomangioma, and glomangiomyoma according to relative proportions of components. Glomangiomyomas are the least frequent type and their overall architectural pattern may resemble glomus tumor proper or glomangioma, but there is a gradual transition from glomus cells to elongated mature smooth muscle cells. This transition is most obvious in the region surrounding large vessels. We present a case of glomangiomyoma of the left upper arm and the left fourth finger, in which ten-year history of two painful, bluish-colored subcutaneous nodules. On histologic examination, this case showed marked smooth muscle cell proliferation around large vessles and mucinous stromal change. (Korean J Dermatol 2001;39(10) 1147-1151)
Chang Duk Lee(李昌德) 한국육종학회 1992 한국육종학회지 Vol.24 No.4
This study was conducted to introduce genes of blast resistrance from Lead rice to common rice varieties. Blast-resistant plants were screened from trisomics serise which added a Lead rice chromosome. Resistant disomics were obtained in the 3rd selfed generation of the above plants as well as in the process of producting the trisomics. These disomics were crossed with common varieties and selfed generation to generation. Eighteen lines having blast registance and other agronomically valuable characteristics were selected in F₈. Two lines selected from anther-cultured line were not satisfactory for blast resistance but useful in the agronomic characters.
구창덕 ( Chang Duk Koo ),이희수 ( Hee Su Lee ),박용우 ( Yong Woo Park ),이화용 ( Hwa Yong Lee ) 한국임학회 2014 산림과학 공동학술대회 논문집 Vol.2014 No.-
본 연구의 목적은 브라질의 산림생태계에 관련된 기관의 답사를 통해 수집한 자료를 바탕으로 브라질의 조림, 육종에 관한 정보를 제공하고자 하는 것이다. 브라질의 산림은 4억71백만ha이며, 주요 조림수종은 Eucalyptus, E. grandis x E. europhylla이다. 브라질의 클론임업은 이런 우수한 교배종을 심고 있다. 멸종위기종으로 브라질 너트 트리의 벌채가 금지되어 보호되고 있으며, 고무나무 다음으로 경제적 가치가 높은 수종으로 다루어지고 있다. 상파울로대학 산림학과의 학생 수는 2,205명이고, 학술림은 1988년에 설립되었고, 임산물, 숯, fibre, cellulose 생산 등 산림관련 9개 협력 회사가 연구자금을 출원하여 생태생리학적 과정, 생화학, 환경영향, 전 과정의 모델링 등에 대하여 연구를 수행하고 있다. 혼농임업은 과실수, 농작물, 그리고 임업작물 뿐만 아니라 질소고정 및 그늘을 제공하는 수목을 선발하여 식재간격을 조정하여 경영하고 있다. 농업연구소인 Embrapa에서는 산림생태계 다양성 보전, 산림생태계 관리, 기후변화와 산림, 벌채 후 소각을 하지 않고 이산화탄소 발생을 줄이는 Tipitamba 영농방법 등을 연구하고 있으며, 우리나라의 국립산림과학원과 교류를 원하고 있다. This report introduces forest ecology and silviculture of Brazil. Total forest area of Brazil is four hundred seventy one millon ha. Main planting species are Eucalyptus species and hybrid of E. grandis x E. europhylla. Clonal forestry uses this excellent hybrid. Brazil nut tree has been endangered species and is not allowed to be in nature. Brazil nut tree has the secondhigh economic valuable next to rubber tree. Department of Forestry in Sao Paulo University has 2,205 students and its expermental forest established in 1988 is conducting research such as physioecological process, biochemical and environmental effect and modeling of harvesting processing. These studies get support from 9 joint cooporations with wood, charcoal, fibre and cellulose production companies. Embrapa(agricultural research station in Brazil) researches forest ecology diversitypreservation, forest ecology management, and climate change and forest. Especially traditional Tipitamba agricultural technology is investigated for reducing carbon production without burning after cutting logs. Agroforestry includes fruit trees, crops, nitrogen fixing shades trees as well. Embrapa wants to interact with Korean Forest Reasearch Institute as joint research.
김창덕 ( Chang Duk Kim ),김창욱 ( Chang Ook Kim ),김병천 ( Byung Chun Kim ),이규석 ( Kyu Suk Lee ) 대한피부과학회 2003 大韓皮膚科學會誌 Vol.41 No.7
N/A Background : Many studies focused on the distribution of skin tumors in Korea, but none of them included whole data refered from deparments other than dermatology and primary physicians. Objective : This study was to investigate the incidence and distribution of skin tumors among Korean people. Methods : A study was made on 1448 cases of skin tumors which were obtained mainly from surgical pathology specimen during the period of 10 years from 1992 to 2001 at Department of Dermatology in Keimyung University Dongsan Medical center. Results : 1. Of the 1448 cases of skin tumors, 1171 cases(80.9%) were benign tumor, 277 cases (19.1%) were malignant tumor and male to female ratio was 1:1.1. 2. Among the 1171 cases of benign tumors, 174 cases of melanocytic nevi, 173 cases of epidermal cyst, 109 cases of seborrheic keratosis, 62 cases of granuloma pyogenicum were noted. 3. Among 277 cases of malignant tumors, 107 cases of basal cell carcinoma, 58 cases of squamous cell carcinoma, 27 cases of metastatic cutaneous carcinoma, 24 cases of Bowen disease were noted. 4. The predilection sites of Intradermal nevi were face(38.4%), trunk(17.4%), scalp(16.3%), and those of epidermal cyst were face(41.0%), trunk(29.5%), neck(8.1%), The predilection site of basal cell carcinoma, squamous cell carcinoma was face(80.4%, 58.6%). Conclusion : The 1448 cases of skin tumors, which were confirmed histologically from surgical pathology specimen at Department of Dermatology in the Keimyung University Dongsan Medical Center during the period of 10 years from 1992 to 2001, were reviewed.
染色體工學法에 의한 水稻의 耐病性 品種 育成硏究 Ⅰ. 染色體添加個體의 稻熱病 抵抗性 및 葯培養
Chang Duk Lee(李昌德),Jong Yol Choi(崔鍾烈),Byong Ho Chang(張炳晧),Yoong Nam Song(宋隆男),Young Boum Shin(辛英範),Jang Kyung Choi(崔章京),Seung Shi Ham(咸昇市) 한국육종학회 1987 한국육종학회지 Vol.19 No.2
To introduce the genes of Lead-rice resistant to rice blast and bacterial leaf blight, addition lines were grown and the multilines were to be developed by adding resistant gene from the addition lines. In the F₄ generation of addition lines, disomic lines and 2n=26 plant, the promising 11 resistant lines were used for reciprocal crosses with the commercial varieties. The grains of 1863 were obtained from the 93 crosses made between the females of commercial varieties and males of resistant lines, and 2545 havested from the 51 crosses between the females of resistant lines and males of commercial varieties. The rice blast resistance was examined on the F₁ plants obtained from the reciprocal crosses. Since all the plants tested are resistant the genes controlling resistance must be dominant. In the anther culture 53 green plants were obtained out of 758 callus culture. Screening the chromosome number of the 53 green plants produced from callus, 37 plants of those were found haploids and 9 plants diploids.