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한광진,남인식,이득환 한국농업정보과학회 2000 농업정보과학 Vol.1 No.2
National Dairy Herd Improvement (DHl) program has been processed by Dairy Cattle Improve-ment Center (DCIC) as a branch of National Livestock Cooperatives Federation (NLCF) in order to enhance the dairy productivity of dairy farms in Korea since 1979. This program has been renewed to improve farm management systems by providing useful information in milking productivity, feeding condition and genetics. Under DHI program, all dairy farm records, such as individual milk production, fat and protein components, nutrition level, somatic cell count and reproduction data are collected and analyzed provide information to all members who join this program by monthly in cooperation with member-coops of NACF nationwide using net-work technology. By participating in this Total Dairy Management Consulting Service, dairy farmers, who have memberships, have been able to get new skill and technology and renovate their management. Within the year 2003, over 60% of total dairy herds should be expected to enroll in this program. For DH farmers, DCIC Internet system like World Wide Web (http://www.dcic.co.kr) can be a convenient tool to offer lots of informa- tion related to individual DHI cow's records. Dairy farmers can also order some of merchandise like semen, farming appliances by sending a sheet of invoice to DCIC under this web-site. Farmers may, especially, select and purchase the suitable semen referenced by the report that includes some of guideline of mating on each cow of the farm, which brings newest information on international dairy industry by Internet on DCIC. DCIC dairy network system has been linked to the several network systems such as National Livestock Research Insti-tute (NLRI), National Veterinary Research and Quarantine Service OfVRQS), agricultural colleges, livestock associations, private institutions and dairy farms in Korea. Identification system of each cow can be requisite for health survey of animal and for prevention against meat contaminates from some infectious virus as well as tool of breed improvement. So DCIC has held common cow unique ID for a lifetime with other organizations such as 32 DHI centers, breed association (KAIA). These unique ID systems should be most efHciently shared with those organizations using networking technologies which are likely to be of great helpful to all dairy farm-ers and organizations related to competent players in the area of international dairy industry.
Effect of In-row Plant Spacing on Growth and Yield of Korean Native Allium wakegi Araki
Jo,Man-Hyun,Ham,In-Ki,Park,Sang-Kyu,Seo,Gwan-Seok,Han,Gyu-Heung,Woo,In-Shik 한국자원식물학회 2003 Plant Resources Vol.6 No.2
Allium wakegi Araki was grown at plant spacings of 5, 10, 15, and 20 cm to determine the effect of planting density on the growth and yield. Allium wakegi Araki plants grown at the 5 cm plant spacing had the lowest bulb diameter and bulb weight, while plants at the lowest density (20 cm spacing) had the highest bulb diameter, bulb number, bulb weight and fresh weight. In general, plants grown at narrower spacings produced significantly smaller bulb diameter and bulb weight, but resulted in the highest yields and plants per hectare and lower fresh weights per plant.
음식점 비흡연 종업원의 간접흡연 노출량 지표로써 이산화질소 이용
양원호,고영림,한인규,이정민,정문식,정문호 대한위생학회 2000 대한환경위생공학회지 Vol.15 No.3
There, is increasing evidence suggesting that passive smoking increases the risk of lung cancer and other disease. though the potential health effects of exposure to environmental tobacco smoke (ETS) is a controversial subject. Since smoking in restaurant is prevalent in Korea. The concern on passive smoking exposure of non smoking service workers has been. requested. ETS exposure of non smoking service workers at restaurant was assessed because they have spent their times in restaurant indoors. The purpose of this study was feasibility of nitrogen dioxide(NO_(2))as exposure marker of ETS. The results of the study were as follows: 1. Average NO_(2), concentrations in indoor and outdoor at restaurants were 57.01ppb(±12.4) and 54.29ppb(±9.54), respectively. Comparing office-workers, service-workers at restaurants were exposured highly. 2. The personal NO_(2) measurement as exposure marker of ETS could cause The exposure error because NO_(2) can he generated by combustion appliances in indoor. 3. Service-workers spent their most time (86.6%) in indoor. Mean time spent at restaurant indoors and at home was 9.4 hours and 10.9 hours. respectively. 4. Personal NO_(2) levels correlated with indoor NO_(2) concentrations of restaurant (r=0.70) and of their home (r= 0.52) rather than of outdoor NO_(2) concentration of restaurant (r=0.35). The causes of personal NO_(2) exposure of non-smoking service-workers were considered as smoking of guests and combustion appliance indoors. 5. Personal NO_(2) exposures were estimated using Monte-Carlo simulation and time-weighted model. Estimated personal NO_(2) level was 47.2ppb (±8.3).
박현주(Hyun Joo Park),정인성(In Sung Chung),강성원(Sung Won Kang),조한래(Han Rse Cho),한설혜(Sul Hae Han),한경아(Kyung Ah Han),김주형(Ju Hyung Kim),임양희(Yang Hee Lim),오경식(Kyung Shik Oh) 대한소화기학회 1994 대한소화기학회지 Vol.26 No.2
Propylthiouracil(PTU) is widely used to treat patients with hyperthyroidism. In rare case, this drug has been found to have toxic effects on the liver. W e experienced a case of PTU in- duced hepatitis in a 45 year old woman treated for Graves' disease with PTU. The biochemi- cal pattern of injury was predominantly hepatocellular with moderately elevated transminase values and histologic findings revealed marked micro and macrovesicular fatty changes and focal necrosis of hepatocytes without any zonal difference. Discontinuation of drug leads to complete recovery in this case. Although overt hepatitis due to PTU is probably a rare compli- cation, there is a potential danger of permanent liver damage. Thus it might be advisable to monitor transaminase levels on regular base in patients receiving PTU.(Korean J Gastroenterol 1994; 26: 369 372)
Avifauna and Grading Assessment of the Wetlands in South-West Coast, Korea
Yong-Un Shin,Tae-Han Kang,In-Kyu Kim,Si-Wan Lee,Hong-Shik Oh 한국조류학회II 2014 한국조류학회지 Vol.21 No.2
In this study a survey was conducted on birds, visiting the West-South Coast in Korea from July in 2007 to March in 2013, in order to look into the Avifauna and the grading assessment of the tidal flat at twelve wetlands in the West-South coast. The survey results revealed that there existed 191 species in total. The dominant species were Dunlin (Calidris alpina), Bean Goose (Anser albifrons), White-fronted Goose (Anser albifrons), Black-tailed Gull (Larus crassirostris) and Bar-tailed Godwit (Limosa lapponica); in the order of dominancy. In score grading, Seocheon tidal flat and Cheonsu bay were at the highest grade level. In addition, in ranking grade, Hauido Is., Doam bay and Muan bay were relatively higher than the others. The score grade and ranking of the Seocheon tidal flat was higher than other wetlands. The Seocheon tidal flat is an undeveloped natural tidal flat. An artificial environment of the Cheonsu bay was at the highest level in score grade, however it was at a low level in ranking grade. The tidal flat grading assessment used was able to efficiently evaluate the objective data in the management of the tidal flat. However, for accurate assessment in this study, the characteristics of each tidal flats had to be presented.
Identifying the species of origin in commercial sausages in South Korea
Han, Sang-Hyun,Oh, Hong-Shik,Cho, In-Cheol Informa UK (TaylorFrancis) 2017 Journal of applied animal research Vol.45 No.1
<P>This study aimed to develop a rapid and reliable method for identifying the species origin of the meat in commercial sausages using amplification patterns for mitochondrial DNA (mtDNA). Forty commercial sausages were purchased from retail markets and subjected to mtDNA analysis. Two mtDNA markers were used for amplifying the meat source DNA. To optimize the PCR conditions, gradient PCR reactions were carried out to determine the primer annealing temperatures, and real-time PCR was done to check the minimal amount of DNA solution and to examine the cross-reaction. PCR products were observed on the gels suggesting that DNA molecules may be useful in the identification of the meat source in processed sausages. A similarity search of the DNA sequences showed that they were from pig, chicken, and fish, as described on the product labels. The real-time PCR results showed that the PCR products were observed above 10 fg (0.01 pg)/mu l concentrations in pig, chicken, and processed fish meat DNA. No significant amplification was found in cross-species. This PCR-based molecular method using mtDNA markers may provide useful information for food safety and traceability purposes by supplying molecular evidence for detecting and identifying the meat sources used in sausage production.</P>
신 이식후 거부반응 환자에서의 In Situ 교잡법을 이용한 Herpesviruses의 검출
심상인,김양리,강진한,유진홍,윤영석,강문원,박인석,방병기,신완식,최영진,장윤식 대한감염학회 1993 감염 Vol.25 No.4
Viral infection would have a deleterious impact on renal graft survival, and increase the morbidity and mortality in renal transplant patients. The clinical diagnosis of viral infection in renal transplant is difficult. Standard procedure for identification of viruses is tissue culture, but it takes much time. Serological diagnosis of viral infection does not always represent the clinically apparent infections. Recently, the value of direct virus detection by nonisotopic DNA probe in situ hybridization (ISH) has been introduced. To evaluate the potential role of cytomegalovirus(CMV), Epstein-Barr virus(EBV) and herpes simplex virus(HSV) on renal graft rejection, eleven rejected kidney allograft specimens were analyzed by ISH with biotinylated DNA probes. CMV-infected lung tissue, EBV-infected lymph node tissue and HSV-infected skin tissues were used as positive controls. One specimen showed positive hybridization with CMV probe and one with EBV probe. The whole procedure can be completed in less than 1.5 hours. In conclusion, we suggest the colorimetric method for ISH could be a powerful tool of detection of viruses in tissues without the need of radioactive probe. Cytomegalovirus, Epstein-Barr virus and herpes simplex virus may be of minor importance in triggering allograft rejection in Korea.