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具聖會(Koo, Sung Hoi),沈載澈(Shim, Jae chul) 한국환경보건학회 1984 한국환경보건학회지 Vol.10 No.1
The toxicity value of 13 kinds of pub1ic health insecticides against the adult female cockroach, Peripianeta fu1inosa , Serville in Korea were evaluated by the topical app1ication method of insecticides. The results obtained were summarized as follows; l ‘ S-biolline showed the most strpng susceptibility with LDso of 1.9 μg per cockroach (l, 100mg) out of 13 kinds of insecticides and other synthetic pyrethroides insecticides (bio-resmethrin2.8μ.g/cockroach , permethrin 4.3 μg/cockroach) showed some degree of susceptibility to the smoky brown cockroach. 2. Fenitrothion showed 2.5 μ.g per cockroach which was the most strong susceptibi1ity out of 8 kinds of organophosphorus and most of them were good susceptibile but there was clear evidence for developed resistance against malathion with LDso of 80.5 μ.g per cockroach(1,100 mg). 3. Lindane showed some degree of susceptibility with LD so of 13.9 μg per cockroach (l ,100 mg) but DDT showed the most strong resistance to the smoky brown cockroach out of 13 kinds of insecticides tested.
Thin-Layer Chromatography 에 依한 市眼알사탕類의 置色料에 關한 考察
具聖會(Sung Hoi Koo),禹世泓(Se Hong Woo),韓良一(Yang Il Han),李盛鎬(Sung Ho Lee) 한국환경보건학회 1974 한국환경보건학회지 Vol.1 No.1
A study was carried out to detect of illegal artificial dyes, and to confirm the used rate of illegal dyes in the production process of commercial drops (candy), from Dec. 10, 1972 to Feb. 10, 1973. 1n this study, it was used thin layer chromatography, the samples were divided into two groups, .group A of inscribed trade name and group B of not inscribed trade name. To contrast with group A and group B, 100 samples were randomly collected in the market places, 50 sampl~s from group A and 50 samples from group B. The following conclusions were obtained: 1) used rate of ilIegal dyes were 2% of group A and 9% of group B. 2) used rate of illegal dyes were 2 % of red, 2% of yellow, 1% of violet and 6% of green, not in blue. 3) used rate of iIIegal dyes 3% of Rhodamine B, 3% of Auramine and 6% of Light green S.F. Yellowish. 4) Out of 20 cases those used mixed dyes, only one case was confirmed as two iIIegal dyes, and 4 cases were used one i1Iegal dye.
具聖會(Sung Hoi Koo),萬世鴻(Se Hong Woo),李盛護(Sung Ho Lee),李富雄(Lee Bou Oung) 한국환경보건학회 1974 한국환경보건학회지 Vol.1 No.1
A study was carried out to determine the content of Mn and Cr in the ground water in Seoul area, where municipal water supply system was not installed, from Nov. 1 to Nov. 30, 1973. 1n this study, authors examined the hardness, pH, water temperature and CI ion to investigate the general conditions of the ground water. For this study, samples were collected from 46 wells which were located in outpart of Seoul city, and Mn and Cr were determined with the Spectronic-20. The following results were obtained: 1) Average value of the ground water conditions of the wells were 13.30C in temperature, pH-6.3, hardness 159 ppm and CI ion 41 ppm. 2) 1n the manganese concentration, the highest area was Yeongdeungpo-Ku(O. 318 ppm), while the lowest area was Sungbuk-KuCO. 065 ppm) and the rnean concentration of the whole district was O. 196 pprn. 3) 1n the chrome concentration, the highest area was Yeongdeungpo-KuCO. 031 pprn), while the lowest area was Dobong-Ku (trace) and the rnean concentration of the whole district was 0.012 pprn.
구성회,박정오,김창환 한국환경위생학회 1976 한국환경보건학회지 Vol.3 No.1
Korea Parasite Eradication Association alleged in its seasonal report spring/1975 that 36.8 percent of primary, middle and high school students in Seoul area are infected with parasites. For the purpose of a comparative study between the high rate of parasite infection among Korean students and that of parasite eggs attached to vegetables which perform intermediary role in carrying the eggs to human body, such vegetables as lettuce, Korean cabbage, young radish, green onion, cabbage which are on sale at several markets in Seoul city are sampled at random for study. The infection rate of parasitic eggs and larvae on vegetables is studied twice while the detaching mean while removing rate of eggs and larvae in proportion to the number of washing them is studied three times. Every 300 grams of vegetables is taken at random for examination and everyone of them is washed with a hard brush and then the kinds of parasite eggs and the ratio of eggs attached to them are studied. The results are as follows: 1) The rate of infected vegetables with parasitic eggs and larvae according to the kinds of vegetables is; young radish; 29.3%, Korean cabbage; 26.3% Green onion; 22.5%, lettuce; 14.1%. cabbage; 7.8% 2) The rate of infection according to the kinds of parasites is; Ascaridae; 27.8%, Ancylostomatidae; 10.6%. Taenia; 5.7% Clonorchis; 0.5%, Enterobius and Trichocephalus are detected only 0.2%, which is less than other parasites. 3) The variation of the infection rate on the examined materials according to seasonal weather condition, summer and autumn, is nearly the same; summer; 50.2% autumn; 49.2% 4) The detaching or removing rate of parasitic eggs and larvae according to the number of Washing is; 1st washing ; 68.1% 2nd washing ; 24.3% 3rd washing ; 7.6%
한약재가 Aspergillus parasiticus R-716의 生育과 aflatoxin 生成에 미치는 影響
구성회,이용욱,정덕화,김종규 한국식품위생학회 1988 식품위생학회지 Vol.3 No.2
한의원에서 오래 前부터 사용되어 오고 있는 몇 종의 한약재를 구입하여 이들을 chloroform으로 추출하여 추출물을 조제한 다음 공시균(Aspergillus parasiticus R-716)의 生育과 aflatoxin 生成에 미치는 影響을 조사한 결과 다음과 같은 結論을 얻었다. 1. 목단 추출물 첨가군에서 가장 현저하게 공시균의 生育이 저해되었고 그외의 첨가군에서도 강황, 봉출, 향부자, 백작액, 백출의 順으로 저해되었다. 2. Aflatoxin 生成은 백출과 강황 추출물 첨가군에서만 저해되었고, 나머지 첨가군에서는 오히려 증가되거나 효과가 적었다. 3. 백출 추출물 0.2ml첨가시 3일째부터 菌體 生成을 시작하여 9일째에 0.953g/30ml이었고, aflatoxin 함량은 792㎍으로서 대조군에 비해 약 50%가 감소되었다. 菌體 g當 aflatoxin 함량은 992㎍으로서 대조군의 1,467㎍에 비해 역시 크게 감소되었으며 NADPH oxidase 活性은 대조군보다 높아 백출 추출물이 공시균의 生育과 aflatoxin 生成에 저해 효과가 있는 것으로 나타났다. The possible effects of some oriental herbs, which have been used to treat cancerlike disease in Korea, on growth and aflatoxin production by Aspergillus parasiticus R-716 were investigated. Zedoaria rhizoma, Curcuma longa, Cyperus rotundus, Angelica gigas, Paeonia albiflora, Paeonia mountan, Atractylis ovata, and Pulsatilla koreana were extracted with chloroform. Among them the extract of Paeonia mountan was remarkably effective on the growth inhibition, and Curcuma longa, Zedoaria rhizoma, Cyperus rotundus, Paeonia albiflora, Atractylis ovata also inhibited the growth. The extract of Atractylis ovata and Curcuma longa, also inhibited the aflatoxin production but the others showed no effect at all or sometimes stimulated effect. With the addition of 0.2ml extract of Atractylis ovata in 30ml SLS medium, the growth was delayed for about 2 days, and after 9 days, mycelium weight was 0.953g, and total aflatoxin was reduced 50%(792㎍)of that produced in the control(1547㎍). Aflatoxin per mycelium weight was decreased 32%(992㎍)of that produced in the control(1467㎍), but NADPH oxidase was higher as compared to the control. The extract of Atractylis ovata appeared to have a inhibitory effect on the growth and aflatoxin production of Aspergillus parasiticus R-716.
日本腦炎管理를 爲한 金堤郡內 殺蟲劑 殘留噴霧作業에 關한 考察
具聖會 서울大學校 保健大學院 1968 公衆保健雜誌 Vol.5 No.2
The insecticide residual spraying operation to the cowsheds and pigsties was carried out to evaluate the residual effect of three kind of insecticides and to find out the possible way of control of Japanese encephalitis transmission at Kimje-gun, Chollapuk-do, from 22 June to 5 July 1967. On 21 June, 170 village chiefs in Kimje-gun were trained on the inescticide residual spraying operation by three technical staffs of the National Malaria Eradication Service. By using of Hudson X-pert sprayer with HSS 8002 nozzle tip, all the sprayable surfaces of 4,810 cowsheds and 14,890 pigsties in Kimje-gun were covered. In order to evaluate of the reducing the density of mosquitoes, day time resting place mosquitoes collection in selected cowsheds was carried out after and before insecticides spraying operation. The results can be summarized as follows: 1. One spray man could cover 45∼46 sheds on an average per day. 2. The amount of insecticide consumed per shed was 54.68gm of DDT(75%), 17.24cc. of Sumithion(50%) or 22cc. of DDVP(25%). 3. In comparison with control counties, the morbidity late of Kimje-gun was the lowest at 11 per 100 thousand while those of Kochang and Jungup-gun were 32 and 19 respectively. 4. In comparison with three kinds of insecticides, the morbidity rate of DDVP area was the highest at 17, while those of DDT and Sumithion areas were 11 and 7 respectively. 5. The residual activity on Culex tritaeniorhyncus of DDVP continued less than 10 days.