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수박 덩굴마름병 저항성 판별을 위한 SNP 표지인자 탐색
이혜은,홍종필,서혜영,허윤찬,안율균,김진희,김도선 忠北大學校 農業科學硏究所 2015 農業科學硏究 Vol.31 No.2
:Watermelon (Citrullus lanatus) is an important vegetable crop in the world and contains various health promoting compounds including many antioxidants such as lycopene and beta-carotene. Genetic diversity of cultivated watermelon is very narrow, which is one of major factors limiting the improvement of watermelon breeding program. Gummy stem blight (Didymella bryoniae (Auersw.)) is one of the most destructive diseases and causes crown blight, defoliation and fruit rot, resulting in severe production loss in watermelon. Single nucleotide polymorphisms (SNPs), important molecular markers for genetic studies are frequent sequence variation in the plant genome. This study was performed to develop SNP markers related to gummy stem blight resistance from three watermelon lines, one susceptible and two resistant to gummy stem blight. Of them, 22 SNP primers which were sequence information on SNPs derived from comparing a resistant and susceptible line was used for high resolution melt analysis. A total of 14 candidate SNP primers were detected melt temperature difference. These SNP primers can be useful for developing disease resistance-related markers and, therefore, beneficial to watermelon breeding program.
안율균(Yul Kyun Ahn),최학순(Hak Soon Choi),최경이(Gyeong Lee Choi),서효덕(Hyo Duk Suh) 한국원예학회 2008 원예과학기술지 Vol.26 No.3
본 연구는 마늘 생산비를 절감하고 마늘 주아재배의 기계화체계를 확립하기 위해서 수행되었다. 주아기계 파종시 적정 재식거리를 구명하기 위하여 재식거리를 달리하고 주아 파종시 주아파종기를 이용한 파종 및 인력파종 방법간의 비교를 수원과 남해에서 ‘단양마늘’과 ‘남도마늘’을 공시하여 실험하였다. ‘단양마늘’의 경우 재식거리는 수확주율과 통마늘 형성률에 있어서 5×3~7×3㎝로 하고, ‘남도마늘’의 경우는 7×1㎝, 7×2㎝ 및 10×1㎝ 하는 것이 적당할 것으로 생각된다. 주아기계 파종시 수확주율과 통마늘 형성률이 인력파종에 비해 감소하였으나, 생산비 절감의 측면에서 주아를 기계로 파종하는 것이 효율적일 것으로 판단된다. This study was conducted to develop an effective production of mechanization system for garlics (Allium sativum L.), in which the bulbils could be used as a seed bulb. The experiment was carried out in Suwon and Namhae. The planting distance and bulbil sowing methods were examined using 0.2 g bulbils of ‘Namdo’ or ‘Danyang’. The bulbil sowing methods were compared in their field performance using bulbil sower and conventional method. The most desirable planting distance were 5 × 3 ㎝ to 7 × 3 ㎝ in ‘Danyang’ and 7 × 1 ㎝, 7 × 2 ㎝, and 10 × 1 ㎝ in ‘Namdo’ as seed garlic for producing non cloved garlic with high survival rate. In the bulbil sowing methods, the conventional method showed higher survival rate and forming non-cloved than bulbil sower. However, in the aspect of reducing production cost in garlic, the optimum bulbil sowing was using bulbil sower.
안율균(Yul Kyun Ahn),최경이(Gyeong Lee Choi),최학순(Hak Soon Choi),윤무경(Moon Kyoung Yoon),서효덕(Hyo Duk Suh) 한국원예학회 2007 원예과학기술지 Vol.25 No.2
본 연구는 생산비를 절감하고 마늘재배의 기계화체계를 확립하기 위해서 수행되었다. 기계파종을 전제로 하여 주아로부터 유래한 통마늘의 종구 이용성을 검토하기 위해 파종 깊이와 파종각도를 달리하여 수원과 남해에서 ‘단양’과 ‘남도’를 공시하여 실험하였다. 통마늘의 파종깊이는 8㎝ 정도로 하는 것이 적당할 것으로 생각되며, 통마늘은 파종각도가 클수록 수량과 수확주율이 감소되니 인편마늘에 비해서 그 감소율이 적었으므로 파종각도가 다소 크더라도 수량의 감소가 적어서 통마늘로 기계 파종하는 것은 인편을 이용하는 것보다 효율성이 높은 것으로 판단된다. This study was conducted to develop an effective production of mechanization system for garlics, in which the non-cloved bulbs could be used as a seed bulb. Non-cloved and cloved bulbs produced from the bulbils were compared in their field performance according to planting methods with those cloves produced conventionally. The most desirable planting depth was 8㎝ using 3.5g ‘Namdo’ or 4.5g ‘Danyang’ of non-cloved as seed garlic for producing high quality garlic. In the planting angle methods, non-cloved garlic showed much yield and higher survival late than cloves. The survival late of seed garlics in the field was decreased as the planting angle increased.
박인옥(In Ok Park),서정열(Jung Yul Suh),정수석(Su Suk Chung),임성호(Seong Ho Lim),이은정(Eun Jung Rhee),윤중원(Jung Won Youn),이호철(Ho Chul Lee),박승하(Seung Ha Park),김정욱(Jeong Wook Kim),조용균(Yong Kyun Cho),이준행(Jun Haeng Lee 대한소화기기능성질환·운동학회 2002 Journal of Neurogastroenterology and Motility (JNM Vol.8 No.1
Achalasia can be provoked by organic causes, and it is called secondary achalasia. Sometimes it is very difficult to distingush secondary achalasia from primary achalasia. We report a case of secondary achalasia due to recurrence of stomach cancer. A 45-year-old man came to our hospital due to three months history of dysphagia and regurgitation. Barium esophagogram showed concentric narrowing at the distal esophagus and dilatation of proximal esophagus. The esophagogastroduodenoscopy showed stenosis of gastroesophageal junction and the endoscope could not pass through it, but there was no evidence of malignancy. Esophageal manometry showed aperistalsis, compatible with achalasia. Abdominal CT showed soft tissue density near the gastroesophageal junction. However it was not possible to differentiate whether it was due to adhesion or malignancy. For correct diagnosis and treatment, explorolaparotomy was performed and it was diagnosed as secondary achalasia due to recurrence of stomach cancer.(Korean Journal of Gastrointestinal Motility 2002;8:53-57)
모의 사용후핵연료에 함유된 루테늄의 양이온교환 분리 및 정량
서무열,손세철,이창헌,최광순,김도양,박영재,박경균,지광용,김원호,Suh, Moo-Yul,Sohn, Se-Chul,Lee, Chang-Heon,Choi, Kwang-Soon,Kim, Do-Yang,Park, Yeong-Jae,Park, Kyoung-Kyun,Jee, Kwang-Yong,Kim, Won-Ho 대한화학회 2000 대한화학회지 Vol.44 No.6
Cation exchange separation and inductively coupled plasma atomic emission spectrometric(ICP-AES) determination of ruthenium in HCl solutions were studied to quantitatively determine ruthenium in spent nuclear fuels. Ruthenium-bearing samples were dissolved with the mixed acid solution(9 : 1 mole ratio, HCl-HNO$_3$) using an acid digestion bomb. Based on the absorption spectra and ion exchange behaviour of ruthenium in hydrochloric acid media, its possible chemical species were discussed. On a cation exchange column (0.7 ${\times}$ 8.0 cm) packed with AG 50W ${\times}$ 8(100~200 mesh) and equilibrated with 0.5 M HCl, ruthenium was eluated with 0.5 M HCl while uranium was retained on the column. The established separation method was applied to a simulated spent nuclear fuel and resulted in the recovery of 98.5% with a relative standard deviation of 0.7%. 사용후핵연료에 미량 함유되어 있는 루테늄 분석법을 개발하기 위하여 양이온교환법을 이용한 분리 조건을 조사하였다. 산분해 장치를 사용하여 9:1 몰비의 혼합산($HCl-HNO_3$)으로 루테늄 시료를 용해시켰다. 염산 용액에서 루테늄의 흡수스펙트럼과 이온교환 거동 조사를 통해 분리에 관련된 루테늄의 화학종을 제시하였다. 미량의 루테늄이 함유되어 있는 우라늄 용액을 양이온교환수지(AG 50W ${\times}$ 8, 100~200 mesh) 분리관(0.7 ${\times}$ 8.0 cm)에 넣고 0.5 M 염산으로 루테늄을 용리시켰다. 모의 사용후핵연료에 확립된 루테늄 분리방법을 적용하고 유도결합 플라스마 원자방출분광분석법으로 분석한 결과 루테늄 회수율은 98.5%이었다.