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Kwak Kyu‐Won,Aktaruzzaman Md.,Kim Eunsun,Kim Sun Young,Hong Seung‐Beom,Park Ji Yeong,Park Kwanho,Koo Bonwoo,Kim Yong‐Soon 한국곤충학회 2021 Entomological Research Vol.51 No.12
Edible insects are considered novel protein sources, and the edible insect breeding industry is growing rapidly. However, fungal pathogens are a major threat to this industry, and appropriate identification of causative agents is important for the development of antifungal agents. In 2019, strains of the fungal pathogen Metarhizium were isolated from infected second and third instar larvae of the economically important edible insect Protaetia brevitarsis, which were collected from separate farms in Gimhae-si, Gyeongsangnam-do, Korea. Based on morphological characteristics and multilocus phylogenetic analysis of the internal transcribed spacer region, and 50-region of gene encoding the 1-α elongation factor, the fungal strains were identified as Metarhizium majus. Here, we report the detailed phylogenetic characteristics and morphological description of this species, which is prevalent in Korea. Identification of the principal disease-causing agent can help develop disease prevention and antifungal strategies for application in edible insect-rearing farms.
바이오매스 합성가스를 이용한 엔진 발전 시스템의 경제성 평가
문지홍(Ji Hong Moon),이정우(Jeung Woo Lee),방병열(Byung Ryeul Bang),김세원(Se Won Kim),이은도(Uen Do Lee) 한국열환경공학회 2010 한국열환경공학회 학술대회지 Vol.2010 No.추계
Biomass, a carbon neutral fuel, is one of the fastest growing renewable energy sources. In this study, economic feasibility of small scale power generation system using syngas from biomass has been investigated. Effects of important variables such as capital investment, cost of waste wood, renewable energy certificate(REC), system marginal price(SMP) on the benefit of business have been analyzed. Internal rate of return(IRR) was predicted as 16.90%, which implicates the business is promising based on the assumptions such as SMP of 137 Won/kWh, capital cost of 4.7 billion won, and waste wood price of 30 thousand won. Major factors affecting the benefit of business are as follows; system marginal price, operational rate, capital investment, expenditure of waste wood, certified emission reduction.
[PB-0073] 무(Raphanus sativus L.) 품종의 표현형적 특성과 heterozygosity 간의 상관관계 분석
Hui Yeon Hong(Hui Yeon Hong),Jun Ho Lee(Jun Ho Lee),Yoon Ah Jang(Yoon Ah Jang),Jin Hee Kim(Jin Hee Kim),Ji Won Kim(Ji Won Kim),Ji Hyeon Lim(Ji Hyeon Lim),Hye Won Yu(Hye Won Yu),Won Byoung Chae(Won Byo 한국육종학회 2022 한국육종학회 공동학술발표집 Vol.2022 No.-
[PB-0071] GBS 분석을 통한 국내 무(Raphanus sativus L.) 품종의 유전적 유연관계 분석
Hui Yeon Hong(Hui Yeon Hong),Jun Ho Lee(Jun Ho Lee),Yoon Ah Jang(Yoon Ah Jang),Jin Hee Kim(Jin Hee Kim),Ji Won Kim(Ji Won Kim),Ji Hyeon Lim(Ji Hyeon Lim),Hye Won Yu(Hye Won Yu),Won Byoung Chae(Won Byo 한국육종학회 2022 한국육종학회 공동학술발표집 Vol.2022 No.-
Hong, Seongjin,Lee, Yeonjung,Yoon, Seo Joon,Lee, Junghyun,Kang, Sujin,Won, Eun-Ji,Hur, Jin,Khim, Jong Seong,Shin, Kyung-Hoon Elsevier 2019 MARINE POLLUTION BULLETIN Vol.144 No.-
<P><B>Abstract</B></P> <P>Sources of organic matter in a polluted coastal embayment (Lake Sihwa) indicated that δ<SUP>13</SUP>C and δ<SUP>15</SUP>N of suspended particulate matter (SPM) and sediments could be distinguished by land-use type and surrounding activities. Specifically, low δ<SUP>15</SUP>N occurred in inland creeks near industrial complex, where severe contamination by persistent toxic substances (PTSs) is evidenced. To identify the sources of <SUP>15</SUP>N-depleted organic matter and PTSs, the SPM and/or sediments were collected along ~8 km of the Singil Creek and in stormwater drainage pipes that carried pollutants to the creeks from upland areas. Results indicated that stormwater originating in industrial areas was the main source of low δ<SUP>15</SUP>N and elevated PTSs, which appeared to flow into stormwater drains with rainwater and eventually into the creeks at stormwater outfalls. To improve the water quality of inland creeks, it will be necessary to reduce the amount of untreated stormwater entering stormwater drainage system from industrial complex.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Stable isotope signatures (δ<SUP>13</SUP>C and δ<SUP>15</SUP>N) identified sources of organic matter in a polluted lake. </LI> <LI> Relatively low δ<SUP>15</SUP>N values are characteristic in inland creeks near a polluted industrial area. </LI> <LI> Sediments of inland creeks were severely polluted by persistent toxic substances. </LI> <LI> Low δ<SUP>15</SUP>N and great concentrations of PTSs mainly originated from untreated stormwater. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
Ji-Ho Lee,Eun-Jung Jeong,Geon-Jae Im,Moo-Ki Hong,Won-Il Kim 한국응용생명화학회 2011 Applied Biological Chemistry (Appl Biol Chem) Vol.54 No.6
Human HaCaT cell viability, total antioxidants generation, and activities of antioxidant enzymes, i.e. superoxide dismutase (SOD) and catalase (CAT), were estimated on contaminated polished rice grown in abandoned mines. Potential health risk by intake of contaminated polished rice causing cytotoxicity on human HaCaT cell was assessed using the Monte-Carlo simulation. Results showed that the HaCaT cell viability in toxic elements (TEs) -contaminated polished rice was inhibited in a time-dependent manner, ranging from 5−25%. Likewise, time-dependent total antioxidants in contaminated polished rice were significantly decreased to 13−22 mM at 72 h post-incubation than in control demonstrating that the mine-impacted polished rice was associated with oxidative damage and decrement of the total antioxidants. The enzyme activities of scavenging reactive oxygen species, i.e. SOD and CAT were 2−4 folds induced compared to control. Assuming that TEs-contaminated polished rice inducing cytotoxicity on HaCaT cell was ingested by human population, no health risk is expected.