지하수-습지-지표수 상호작용에 따른 수화학적 특성 연구

유한선(Han-Sun Ryu),김희정(Heejung Kim),문진아(Jinah Moon),Naing Aung Khant 대한지질학회 2021 대한지질학회 학술대회 Vol.2021 No.10

본 연구에서는 전 세계 하나의 종만 존재하는 희귀종 물거미가 서식하고 있는 은대리 물거미서식지 일대에서 지하수-습지-지표수 상호작용에 따른 수화학적(양이온, 음이온, 알칼리도, 산소-수소 동위원소, 라돈) 특성을 분석하였다. 현장조사 지점은 은대리 물거미서식지(습지)를 중심으로 500 m 내외에 위치하고 있는 지하수 4지점, 습지 3지점, 지표수 3지점을 선정하였다. 2021년 5월부터 8월까지 총 4회 현장조사 및 시료채취를 수행하였다. 연구지역의 지하수, 습지 그리고 지표수의 수리화학특성 분석 결과 습지와 가장 근접해 있는 심부 지하수(EDG4)를 제외한 모든 지점이 Ca-HCO₃ 유형에 도시되었으며, EDG4에 경우 Na-HCO₃ 유형에 도시되어 다른 지점과 구분되었다. 산소-수소 동위원소 분석자료는 지하수, 습지 및 지표수의 물 모두 같은 기원인 것으로 보인다. 하지만 지하수와 지표수는 비슷한 동위원소 함량(δ<SUP>18</SUP>O: -8.51~–7.11‰, δD: -57.13~-49.78‰)을 가지고 있어 함께 도시되는 것을 볼 수 있었으나, 습지의 경우 지하수와 지표수에 비해 비교적 무거운 동위원소 함량(δ<SUP>18</SUP>O: -5.88~–2.13‰, δD: -41.76~-27.13‰)을 보이며 확연히 구분된 위치에 도시 되었다. 라돈의 경우 지하수, 습지 및 지표수 모두 조사를 시작한 5월에서부터 6월, 7월 점차적으로 농도가 감소하는 경향을 보였다. 지하수에서 가장 높은 라돈 농도를 보이며, 지표수의 농도가 가장 낮게 측정 되었다. 습지는 지하수와 하천수 사이의 농도 값을 보여 습지가 지하수와 지표수 모두의 영향을 받고 있을 가능성 또한 보여준다. 은대리 물거미서식지는 우리나라 유일하게 멸종위기 물거미가 서식하고 있는 의미있는 지역으로 이 일대 지하수, 습지 그리고 지표수의 수화학적 특성 연구를 통해 물거미 서식 환경에 대한 기초적인 수리생태학적 정보를 제공할 수 있을 것으로 기대한다.

Illegal Trade between India and Myanmar

Naing Naing,Kim, Chan-wahn 한국외국어대학교 인도연구소 2015 남아시아연구 Vol.20 No.3

Illegal trade, a long-standing issue in Myanmar and India, hinder the socio-economic development of the both countries. Therefore, this paper discussed illegal trade relations between India and Myanmar with special reference to its impacts on Myanmar socio-economic sectors. It was observed that Myanmar has suffered from many negative impacts, except few positive, of the illegal trade with India on their socioeconomic fronts. Illegal trade can be considered in a good way that can improve living standard of the people who involve in the illegal trade activities in Myanmar. Nevertheless, illegal trade is mostly regarded as a barrier to the socio-economic development of the country losing the government"s revenues and creating unfair competition on the market, providing a source of corruption, damaging public health and even harming for environment. It is recommended that in order to enhance formal trade cooperation and reduce illegal trade between Myanmar and India, the existing rules and procedures of trade and the range of commodities allowed to be traded in the border trade agreement should be revised and reformulated. It is said, however, that trade liberalization alone will not be able to contribute to promote trade and reduce illegal trade, if a pro-poor trade strategy is not included in the trade regimes of the countries. So, government of Myanmar has to actively engage in tackling down various problems to promote legal trade with government of India, in general and Manipur state government, in particular. If then, certainly the relations between India and Myanmar will be greatly improved. It is also good for the future prospect of sub-regional cooperation such as BIMSTEC and BCIM that bridge between South and Southeast Asian regions.

Roles of R2R3-MYB transcription factors in transcriptional regulation of anthocyanin biosynthesis in horticultural plants

Naing, Aung Htay,Kim, Chang Kil Springer-Verlag 2018 Plant Molecular Biology Vol.98 No.1

Seasonal Effects on Shoot Regeneration from Petal Explants of Chrysanthemum (Chrysanthemum morifolium) cv. 'Baeksun'

Naing, Aung Htay,Kim, Chang Kil Institute of Agricultural Science and Technology 2014 慶北大農學誌 Vol.32 No.4

This is the first report describing the seasonal conditions affecting shoot regeneration by the chrysanthemum cv. Baeksun. The shoot regeneration from petal explants was found to be more favorable from September to December, reaching the highest values in December. In addition, the quality of the shoots was also influenced according to the season of the explant collection, where healthy and uniform plants were derived from the explants collected in December. Choosing the proper season for explant collection affected the successive plant growth parameters (i.e., plant height and fresh weight). Thus, the current results strongly suggest that season plays an important role in plant tissue culturing, which is an essential tool for micropropagation and Agro-bacterium-mediated genetic transformation studies.

Optimization of Embryogenic Callus Induction and Plant Regeneration in Orchid Coelogyne cristata

Naing, Aung Htay,Lim, Ki-Byung Korean Society of Horticultural Science 2011 원예과학기술지 Vol.29 No.3

An efficient protocol was established for high frequency somatic embryogenesis through a callus culture of Coelogyne cristata. The best frequency of callusing was obtained from a PLB segment (3-5 mm) cultured on MS medium supplemented with coconut water (CW) and a combination of both 3 $mg{\cdot}L^{-1}$ of 2,4-D and BA. When the calli were sub-cultured on the MS medium without any PGRs, the average number of somatic embryos were higher than those with PGRs treatment. NAA is the most critical factor among PGRs, which dramatically hindered for the formation of a somatic embryo. The efficacy of the addition of coconut powder (CP) for somatic embryogenesis was almost the same in all treatments. However, the number of somatic embryos formed distinctly depended on age of the callus. The somatic embryos converted into healthy plants with well-developed shoots on the same medium. Plantlets showed the best responses of root and shoot growth when transferred to $\frac{1}{2}$ MS medium containing 1.5 $g{\cdot}L^{-1}$ of activated charcoal. All plants with above 3.0-cm-high were successfully acclimatized in the greenhouse.

Seasonal Effects on Shoot Regeneration from Petal Explants of Chrysanthemum (Chrysanthemum morifolium) cv. 'Baeksun'

Naing, Aung Htay,Kim, Chang Kil 경북대학교 농업생명과학대학 2014 Current Research on Agriculture and Life Sciences Vol.32 No.4

This is the first report describing the seasonal conditions affecting shoot regeneration by the chrysanthemum cv. Baeksun. The shoot regeneration from petal explants was found to be more favorable from September to December, reaching the highest values in December. In addition, the quality of the shoots was also influenced according to the season of the explant collection, where healthy and uniform plants were derived from the explants collected in December. Choosing the proper season for explant collection affected the successive plant growth parameters (i.e., plant height and fresh weight). Thus, the current results strongly suggest that season plays an important role in plant tissue culturing, which is an essential tool for micropropagation and Agro-bacterium-mediated genetic transformation studies.

The Beginnings of the Sudhamma Buddhist Order of Monks

Naing, Shwe Zin Hpon Korea Institute for ASEAN Studies 2012 Suvannabhumi Vol.4 No.2

This article uncovers the beginning of the Sudhamma Buddhist order tracing its background history. After ascending the throne, being interested in trying to bring back Buddhism to its ancient strength and prosperity, King Mindon paid fully attention in all the religious affairs like King Asoka. Therefore, the different Sangha associations had emerged in his time. It had grown wider and wider and that brought about many adverse effects. During the time of King Thibaw, to reorganize the Sangha associations, he appointed two Supreme Leaders; one for Sudhamma and one for the Rhwekyan Buddhist Order of Monks. Thus the rise of the term of Sudhamma Buddhist Order of Monks became the most popular among the Theravada Buddhist monks. This article, tracing its history, will answer the question that what about any difference between the Sudhamma Buddhist Order and others especially?

Optimization of factors affecting efficient shoot regeneration in chrysanthemum cv. Shinma

Naing, A. H.,Park, K.,Chung, M. Y.,Lim, K. B.,Kim, C. K. Springer Science + Business Media 2016 Brazilian journal of botany Vol.39 No.4

<P>Factors affecting shoot regeneration were optimized in order to develop an efficient protocol for shoot regeneration in leaf explants of the chrysanthemum (Chrysanthemum morifolium Ramat) cultivar Shinma. The maximum number of shoots per explant (9.7) was regenerated in leaf explants of 6-week-old donor plants cultured on Murashige-Skoog medium containing a combination of 0.5 mg L-1 6-benzyladenine and 0.5 mg L-1 alpha-naphthaleneacetic acid with initial dark treatment for 7 days. Among the different auxins tested, indolebutyric acid was the most effective for root induction and development, whereas the presence of ethylene inhibitors strongly suppressed shoot regeneration. Ploidy levels were analyzed by flow cytometry: there was no ploidy variation between the regenerated plants and the mother plant grown under greenhouse conditions. The new protocol will facilitate genetic transformation and micropropagation of chrysanthemum cv. Shinma.</P>

Gold mineralization of Phayaung Taung, Patheingyi Township, Mandalay Division, Myanmar

Naing Aung Khant,Chungwan Lim 대한지질학회 2020 대한지질학회 학술대회 Vol.2020 No.10

Erratum to: Geology, geochemistry, mineralogy of Phayaung Taung, Patheingyi Township, Mandalay Division, Myanmar

NAING AUNG KHANT,Adam Piestrzynski,임충완 한국지질과학협의회 2022 Geosciences Journal Vol.26 No.2