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장명준,하태문,주영철,Jang, Myoung-Jun,Ha, Tae-Moon,Ju, Young-Cheol 한국버섯학회 2007 한국버섯학회지 Vol.5 No.2
생육온도가 증가함에 따라 $CO_2(ppm/hr/m^3$/병)농도는 증가하였고, 생육단계별로는 생육후기에 가장 높은 경향을 나타내고 있으며, 품종별로 춘추2호<수한2호<청풍<진미<흑백 순으로 호흡량이 많은 경향을 나타내었다. 또한 생육 온도가 높아짐에 따라 $O_2(ppm/hr/m^3$/병)소비량은 증가하는 경향이었으며, 생육단계별로 생육후기에 가장 많이 소비되는 경향을 보이고 있고, 품종별로 춘추2호<수한2호<청풍<진미<흑백 순으로 소비된 $O_2$량이 많아지는 경향이었다. 그리고 느타리버섯의 생육적정 온도인 $15^{\circ}C$에서의 호흡지수는 춘추2호가 500일 때, 수한2호 528, 청풍 573, 진미 617, 흑백 634로 신품종의 호흡지수는 춘추2호 보다 높은 경향을 나타내었다. This study was carried out to find out respiration characteristics of new variety of oyster mushroom to the temperature response. In new species of oyster mushroom, the account of respiration was on the increase when the growth temperature with the passage of growth stage was on the rise. The $CO_2$ concentration was accelerated as increasing the growth temperature, whereas the $O_2$ concentration was decreased. The account of respiration of new variety was in the descending order, Hukbaek>Jinmi>Chungpung>Suhan2>Chunchu2. Also, the ventilation exponent at $15^{\circ}C$ was Suhan2 2 ~12%, Chungpung 9~24%, Jinmi 15~37%, Hukbaek 17~39% in proportion to Chunchu2. The experiments related to respiration characteristics of new variety of oyster mushroom were worthy of recommending to new variety cultivator.
0.18㎛ CMOS Technology에서 인터커넥트 라인에 의한 지연시간의 게이트 폭에 대한 의존성 분석
장명준(Myoung-Jun Jang),李熙德(Hi-Deok Lee) 大韓電子工學會 2000 電子工學會論文誌-SD (Semiconductor and devices) Vol.37 No.11
본 논문에서는 인터커넥트 라인을 구동하는 CMOS소자의 게이프 폭의 변화에 따라 소자 및 인터커넥트 라인에 의한 RC 지연시간이 어떤 특성을 보이는지에 대하여 분석하였다. 인터커넥트 라인의 캐패시턴스 성분만이 주로 나타나는 구조에서는 MOSFET의 크기가 커질수록 전체 지연시간이 감소하는 특성을 보였다. 반면에 인터커넥트 라인의 저항 및 캐패시턴스 성분이 대등하게 지연시간에 영향을 미치는 구조에서는 전체 회로의 지연시간이 최소가 되는 MOSFET 크기가 존재함을 수식적으로 제안하고 실험치와 비교하여 잘 맞음을 증명하였다. In this paper, the dependence of interconnect line-induced delay time on the size of CMOSFET gate width is characterized. In case of capacitance dominant interconnect line, the total delay time decreases as transistor size increases. However, there exists a transistor size for minimum total delay time when both of resistance and capacitance of interconnect nil become larger than those of transistor. The optimum transistor size for minimum total delay time is obtained using an analytic equation and the experimental results showed good agreement with the calculation.
잣버섯(Neolentinus Lepideus) 재배를 위한 액체 및 톱밥종균의 배양특성
장명준 ( Myoung Jun Jang ),이윤혜 ( Yun Hae Lee ),주영철 ( Young Cheol Ju ),구한모 ( Han Mo Koo ) 한국균학회 2010 韓國菌學會誌 Vol.38 No.2
This study was carried out to elucidate suitable spawn culture for an artificial cultivation of Neolentinus lepideus. The optimum culture conditions of the liquid spawn were deffated soy flour for main material, 12 days for culture period and 0.9 vvm for aeration volume, respectively. Sawdust spawn was appropriate for douglas fir sawdust and deffated corn flour (95:5, v/v) for mycelia growth and fruiting body formation. In case of liquid spawn, cultivation period was two shorter than sawdust spawn and mushroom yield was 111.9 g per 850ml cultivation bottle. In conclusion, the suitable spawn for fruiting body production was found to be liquid spawn than sawdust spawn with considering cultivation period and mushroom productivity.
장명준(Myoung-Jun Jang),하태문(Tae-moon Ha),주영철(Young-Cheol Ju) 한국생물환경조절학회 2008 한국생물환경조절학회 학술발표논문집 Vol.17 No.1
챔버와 재배사내에서 실험한 결과 풍속에 따른 자실체의 형태 및 수량은 풍속이 약할수록 양호하였으며, 느타리버섯 재배시 적정 풍속으로 0.3m/s를 유지하고, 기존의 냉난방 유닛쿨러에 인버터(속력변환장치)를 이용하여 풍속을 조절하여 할 것으로 판단된다.
잣버섯 봉지재배시 영양원이 균사배양 및 자실체 생육에 미치는 영향
장명준 ( Myoung Jun Jang ),이윤혜 ( Yun Hae Lee ),주영철 ( Young Cheol Ju ),김성민 ( Seong Min Kim ),구한모 ( Han Mo Koo ) 한국균학회 2011 韓國菌學會誌 Vol.39 No.3
This study was carried out to elucidate suitable supplementary nutrition for Neolentinus lepideus cultivation. The main substrate for cultivation was douglas fir sawdust, and supplementary materials for experiment were corn meal, corn hull, corncob, beet pulp, and potato starch. The higher amount of total nitrogen source was showed in corn meal (0.45%) than any other nutritive materials. Incubation ratio and cultivation period showed the best 97% and the shortest 43 days on medium with corn meal substrate. The fruit body yield and biological efficiency on medium with 10% corn meal were highest 122 g/1 kg and 35%, respectively. Factor analyses concerning fruiting yield showed total nitrogen source (r=0.95) and crude fat (r=0.65). These results are recommended that N. lepideus cultivation is corn meal material as the source of the supplementary nutrition and total nitrogen source as the factor of fruiting body yield on the Douglas fir sawdust medium.
장명준(Myoung-Jun Jang),하태문(Tae-Moon Ha),이윤혜(Yun-Hae Lee),주영철(Young-Cheol Ju) (사)한국생물환경조절학회 2009 생물환경조절학회지 Vol.18 No.3
춘추느타리 2호의 최적 환기횟수는 발이유도기 1/10h?¹, 생육초기 1/6h?¹, 생육중기와 생육후기 1/4h?¹에서 자실체의 생육이 양호하였고, 수한느타리 2호는 발이유도기 1/6h?¹, 생육초기 1/6h?¹, 생육중기 1/4h?¹, 생육후기 1/2h?¹에서 자실체의 생육이 양호하였다. 춘추느타리 2호 및 수한느타리 2호 원기형성기에는 이산화탄소의 농도의 영향이 크게 나타나지 않았지만, 자실체 생육시 1,500ppm 이상일 경우 갓의 끝부분이 위로 말려 올라가는 등 환기장해 현상이 나타났다. 이와 같은 결과로 춘추느타리 2호에 비해 수한느타리 2호의 경우 호흡량이 높아져서 환기요구도가 높았으며, 환기 횟수가 클 경우 생육이 양호하였다. In this study, we investigated the effects of the number of air exchanges (NAE) on shape fruit body in two oyster mushrooms, Chunchu 2# and Suhan 2#. The suitable NAEs of Chunchu 2# were 1/10h?¹ at primordial induction, 1/6h?¹ at early stage of growth, 1/4h?¹ at middle stage of growth, 1/4h?¹ at late stage of growth and those of Suhan 2# were 1/6h?¹ at primordial induction, 1/6h?¹ at early stage of growth, 1/4h?¹ at middle stage of growth, and 1/2h?¹ at late stage of growth. In those conditions, the fruit bodies grew well. CO₂ concentration hardly affected the primordial formation of both mushrooms. However there were ventilation disturbances over 1500ppm. For instance, the end of pileus rolled up etc. As a result, Suhan 2# required higher ventilation compared with Chullchu 2# and the lower NAE was favorable for growth.
Burkholderia pyrrocinia LA101 선발
나정우,장명준,안승원,박윤진,조용구,Na, Jeong-Woo,Jang, Myoung-Jun,Ann, Seoung-Won,Park, Youn-Jin,Cho, Yong-Koo 한국환경과학회 2020 한국환경과학회지 Vol.29 No.5
The purpose of this study was to investigate eco-friendly measures to manage major diseases which cause heavy economic damages to ginseng. Morphological, physicochemical, and molecular biological species identification was carried out after isolating useful antagonistic bacteria from ginseng fields. In addition, optimal conditions for mass culture were established, and he efficacy of the bacteria in the prevention of the diseases was verified in the field. The results showed that about 150 bacteria were extracted from 150 ginseng fields in the whole county. Among them, B. pyrrocinia LA101 was finally selected, which had a strong antagonistic potency against Alternaria panax, Botrytis cinerea, Rhizoctonia solani, and Cylindrocarpon destructans on agar media. The B. pyrrocinia LA101 is a baculiform gram-negative bacterium identified as Burkholderia pyrrocinia according to results from an API(Analytical Profile Index) kit, 16S rRNA, and gyrase gene sequencing analysis. It was donated to the microbe bank of the Agricultural Genetic Resources Center at the National Academy of Agriculture Science under the Rural Development Administration on September 28, 2011 (Donation No. KACC91663P). A patent for the mass culture technology was granted in August 2012 (Patent No. 10-1175532).
이영수,장명준,이진구,김준란,이준호,Lee, Young Su,Jang, Myoung Jun,Lee, Jin Gu,Kim, Jun-Ran,Lee, Joon Ho Korean Society of Applied Entomology 2015 한국응용곤충학회지 Vol.54 No.4
경기도 8개 지역에서 2010년부터 2012년 동안 식균성인 노랑무당벌레의 발생기주를 조사한 결과, 흰가루병에 감염된 12종의 식물에서 관찰이 되었다. 특히 가장 밀도가 높았던 배과원에서 노랑무당벌레는 7월 상순부터 11월 상순까지 발견되었다. 식균성인 노랑무당벌레의 장내에서는 흰가루병 균사나 포자 외에 다른 먹이의 흔적이 발견되지 않았고, 알과 번데기를 제외한 전 발육단계에서 균을 섭식하는 특성을 볼 때 절대적 식균성 곤충으로 생각된다. $25^{\circ}C$에서 오이 흰가루병균을 섭식한 노랑무당벌레의 발육기간은 알, 유충, 번데기, 성충이 각각 3.9, 10.4, 4.1, 37.7일 이었고, 발육단계별 오이 흰가루병 섭식량은 45.6, 144.4, 372.2, 628.1, $473.7mm^2$로 4령, 성충, 3령, 2령, 1령 순으로 많았다. 본 연구를 통해 노랑무당벌레의 오이 흰가루병에 대한 섭식능력을 바탕으로 향후 유용 토착천적으로써 대량사육기술, 저독성 약제 선발 등 작물 흰가루병 종합방제기술(IPM)에 대한 연구가 필요하리라 사료된다. We investigated mycophagous ladybird, Illeis koebelei from 12 species of plants infected with powdery mildew in Gyeonggi-do, Korea. The pear tree, Pyrus ussuriensis var. macrostipes (Nakai), was most preferred by I. koebelei. This species was found from early July to early November in pear orchards. There was no entomophagous trace in the gut of I. koebelei without powdery mildew spores in a microscope. All stages except egg and pupa are obligate mycophagous, and the feeding potential is ranked as follows: fourth instar, adults, third instar, second instar, and first instar. Feeding amounts of each stage of I. koebelei were 45.6, 144.4, 372.2, 628.1, and $473.7mm^2$ of cucumber powdery mildew per day. Fourth instar larvae showed highest consumption of cucumber powdery mildew. Developmental periods of four larval instars and adults feeding cucumber powdery mildew were 1.2, 2.3, 2.3, 4.6, and 37.7 days, respectively, at $25^{\circ}C$. In this study, we could not determine the feeding potential of I. koebelei against the cucumber powdery mildew; therefore, and further studies are required to elucidate the potential of this species as a biological control agent, e.g., mass rearing, selection of low toxic chemical agents for Integrated Pest Management (IPM), and control techniques against powdery mildew in agro-ecosystems.