http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Lee Sang-Eun,Lee Deog-Yong,Lee Wook-Gyo,Kang ByeongHak,Jang Yoon Suk,Ryu Boyeong,Lee SeungJae,Bahk Hyunjung,Lee Eungyu 질병관리본부 2020 Osong Public Health and Research Persptectives Vol.11 No.3
This study aimed to determine the presence of SARS-CoV-2 on surfaces frequently touched by COVID-19 patients, and assess the scope of contamination and transmissibility in facilities where the outbreaks occurred. In the course of this epidemiological investigation, a total of 80 environmental specimens were collected from 6 hospitals (68 specimens) and 2 “mass facilities” (6 specimens from a rehabilitation center and 6 specimens from an apartment building complex). Specific reverse transcriptase-polymerase chain reaction targeting of RNA-dependent RNA polymerase, and envelope genes, were used to identify the presence of this novel coronavirus. The 68 specimens from 6 hospitals (A, B, C, D, E, and G), where prior disinfection/cleaning had been performed before environmental sampling, tested negative for SARS-CoV-2. However, 2 out of 12 specimens (16.7%) from 2 “mass facilities” (F and H), where prior disinfection/cleaning had not taken place, were positive for SARS-CoV-2 RNA polymerase, and envelope genes. These results suggest that prompt disinfection and cleaning of potentially contaminated surfaces is an effective infection control measure. By inactivating SARS-CoV-2 with disinfection/cleaning the infectivity and transmission of the virus is blocked. This investigation of environmental sampling may help in the understanding of risk assessment of the COVID-19 outbreak in “mass facilities” and provide guidance in using effective disinfectants on contaminated surfaces.
Monitoring and Detection of SFTS virus mediated ticks in Andong in 2018
JaeSeok Lee,Myeonghwan Kim,Jong Bong Choi,HyunJi Lee,KyungHwan Moon,YeongHo Kim,Changhoe Jeong,Wook-Gyo Lee,Jongkyun Park,Young Ho Kim 한국응용곤충학회 2019 한국응용곤충학회 학술대회논문집 Vol.2019 No.04
We monitored the population of Haemaphysalis longicornis, in Andong, Gyungbuk from April to November, 2018. Among total 2,994 ticks collected for 8 months, H. longicornis 1,677(56%), H. spp Larva 1,074(35.9%), H. flava 213(7.1%), Ixodes nipponensis 30(1.0%) were identified. In addition, considering the environment, 1,727(57.7%), 907(30.3%), 192(6.4%) and 168(5.6%) ticks were collected in the grassland, graves, copse, mountain path, respectively. In the pathogen diagnosis with PCR using SFTS virus specific primers, positive viruses were detected in H. longicornis, H. flava and H. spp from June to October. The minimum field infection rate of June, July, August, September and October were 0.4%, 0.8%, 1.2%, 0.8% and 2.3%. respectively.
JaeSeok Lee,Myeonghwan Kim,Jong Bong Choi,HyunJi Lee,YoungHo Kim,KyungHwan Moon,Changhoe Jeong,Wook-Gyo Lee,Young Ho Kim,Jongkyun Park 한국응용곤충학회 2018 한국응용곤충학회 학술대회논문집 Vol.2018 No.10
Heamaphysalis longicornis is a major vector for Severe Fever with Thrombocytopenia Syndrome (SFTS) virus and the density of the vector has been increasing because of the climate change. The incidence of fatalities due to SFTS is increasing every year. In this study, to evaluate the SFTS transmission by ticks, the density of ticks mediating SFTS was monitored. Tick was collected every month from four different sites (Grass land, Mountain path, Grave, Copse) in Andong with the traps containing dry ice as CO2 attractants. Among 2,572 ticks of 3 species; H. longicornis, H. flava, and Ixodes nipponensis were most abundantly collected from April to August. H. longicornis is the richest species (92.8%), whereas Ixodes nipponensis was the least species (0.8%). The 54.5% of the sample were nymph stage and female/male ratio was 64.3%. According to the pathogene analysis, SFTS virus was detected from H. longicornis adult and larvae stages collected in July and August. In July samples, SFTS virus was detected only from grassland site, but the virus was observed in the sample from all four sites in August. For effective prevention of SFTS, the tick density should be continuously monitored based on the onset time of SFTS with the consideration of habitate, habit & life history of ticks.
Hyunwoo Kim,Wook-Gyo Lee,Kyu Sik Chang,Jong Yul Roh,E-Hyun Shin 한국응용곤충학회 2015 한국응용곤충학회 학술대회논문집 Vol.2015 No.04
Aedes albopicuts, known as asian tiger mosquito or forest mosquito, is characterized by its black and white strips on legs and body. Ae. albopictus is an important vector mosquito for the transmission of many viral pathogens such as dengue fever and chikungunya fever. Unlike other mosquito, Ae. albopictus attacks people mainly during the daytime in the forest. To evaluate the diel activity of Ae. albopictus, three times mosquito collecting were conducted using BG Sentinel trap with dry ice in bamboo forest in Damyang-gun, Jeoullanam-do, in South Korea from August to September, 2009. Captured mosquitoes were counted and released every one hour during 25 hours experiment time. The result showed that Ae. albopictus activity began with sun rising at approximately 09:00, with peak in the early evening between 16:00 to 19:00, and ended with sunset at 21:00. Among the several factors affecting on the mosquito activity, light intensity seems to be a main factor. Especially, if the light intensity is over some threshold, it negatively effects on the activity of Ae. albopictus.
Approaches to avoid corruption of CAD models in configuration design method for solid rocket motors
Kang-Soo Lee,Won-Hoon Kim,Bang-Eop Lee,Do Hyeong Lee,Tae-Kyung Hwang,Yeon-Cheol Kim,Seong-Gyo Jang,Byeong-Wook Choi,Jun-Hui Shin,Hyuk-Sun Kwon,Dong-Pil Shin,Sung Hwan Kim 한국생산제조학회 2012 한국생산제조시스템학회 학술발표대회 논문집 Vol.2012 No.10