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MUNKHBAYAR UYANGA,정광진,유석연 한국도시설계학회 2020 도시설계 : 한국도시설계학회지 Vol.21 No.3
Ulaanbaatar, the capital of Mongolia, has been undergoing a rapid urbanization over the past decade along with land privatization, causing problems such as reckless development in the Ger area and lacking urban infrastructure. In particular, the problem of regional disparities is causing problems of social equity with the widening gap such as, income inequality. Along with the continued expansion of Ulaanbaatar, infrastructure should also be expanded, but the problem of regional disparities is deepening due to the difficulties in widening public services. Therefore, the purpose of this study is to analyze the population, industry-economy, housing and educational facility and to derive the characteristics of regional disparities by classifying regions according to residential type and autonomous region. The results of the study are as follows. First, the degree of urbanization by region and expansion of the Ger area has been shown a significant impact on regional disparities. The disparities in industry-economy and housing sectors have been higher in Ger area than apartment area. Second, in both industry-economy and housing sectors, the autonomous districts in out-of-town area have been more underdeveloped than the autonomous districts in the city center, which has been largely affected by lack of infrastructure in urban sprawl. Finally, regional disparities have been more intensified because urban plans in Ulaanbaatar have not taken into account the characteristics of each district. 몽골의 수도인 울란바토르시는 토지민영화와 함께 최근 10년간 급격한 도시화를 겪고 있으며, 이로 인해 게르지역 난개발, 도시기반시설 부족 등의 문제가 발생되고 있다. 특히 지역 불균형문제는 소득 불평등 등 격차의 증대와 함께 사회적 형평성의 문제를 야기하고 있다. 울란바토르시의 지속적인 확장과 함께 기반시설 역시 확대 공급되어야 하지만 공공서비스의 확대에 어려움이 크므로 지역불균형 문제가 심화되고 있는 것이다. 따라서 본 연구의 목적은 울란바토르시를대상으로 인구부문, 산업 및 경제부문, 주거환경부문 및 교육시설부문을 주거유형에 따른 지역별및 행정자치구별로 분석하여 지역 불균형 특성을 도출하는 것이다. 연구의 결과는 다음과 같다. 첫째, 울란바토르시의 주거유형에 따른 지역별 도시화의 정도와 게르지역의 확산 등 입지요인이지역 불균형에 큰 영향을 준 것으로 나타났다. 특히 산업 및 경제 부문과 주거 부문에서 게르지역의 불균형이 아파트지역보다 높게 나타났다. 둘째, 도심부에 위치한 자치구에 비해 외곽에 위치한 자치구가 주거 및 교육시설 부문에서 더 낙후된 것으로 나타났으며, 이는 저밀도로 급격히확산된 외곽의 게르지역에서 각종 기반시설 공급이 원활하지 않은 영향이 큰 것으로 보인다. 마지막으로 지역낙후도의 격차가 더욱 심화되고 있어 울란바토르시에서 이루어지는 지역개발 및지역계획들이 각 자치구들의 강점, 약점 및 특성을 고려하지 않고 있음을 밝혔다.
Munkhbayar, B.,Tanshen, Md.Riyad,Jeoun, Jinseong,Chung, Hanshik,Jeong, Hyomin Elsevier 2013 Ceramics international Vol.39 No.6
<P><B>Abstract</B></P> <P>This paper reports a significant enhancement in the thermal conductivity of silver-nanoparticle-based aqueous nanofluids with the addition of negligible amounts of multi-walled carbon nanotubes (MWCNTs). The present work was conducted using purified MWCNTs/water nanofluids prepared by a wet grinding method. Silver nanoparticles were dispersed into the MWCNT/water nanofluids via a one-step method using pulse power evaporation, which was observed to improve the dispersibility and thermal conductivity of the nanofluids. A particle sizing system (PSS) and transmission electron microscopy (TEM) were used to confirm the size of silver nanoparticles in base fluids. The PSS measurement results reveal that the size of the silver nanoparticles was approximately 100nm, which is in good agreement with the results obtained from TEM and SEM. The maximum absorbance (2.506abs at a wavelength of 264nm) and highest thermal conductivity enhancement (14.5% at 40°C) were achieved by a fluid containing ‘0.05wt% MWCNTs–3wt% Ag’ composite.</P>
Role of Arachidonic Acid in Promoting Hair Growth
( Semchin Munkhbayar ),( Sunhyae Jang ),( A Ri Cho ),( Soon Jin Choi ),( Chang Yup Shin ),( Hee Chul Eun ),( Kyu Han Kim ),( Ohsang Kwon ) 대한피부과학회 2016 Annals of Dermatology Vol.28 No.1
Background: Arachidonic acid (AA) is an omega-6 polyunsaturated fatty acid present in all mammalian cell membranes, and involved in the regulation of many cellular processes, including cell survival, angiogenesis, and mitogenesis. The dermal papilla, composed of specialized fibroblasts located in the bulb of the hair follicle, contributes to the control of hair growth and the hair cycle. Objective: This study investigated the effect of AA on hair growth by using in vivo and in vitro models. Methods: The effect of AA on human dermal papilla cells (hDPCs) and hair shaft elongation was evaluated by MTT assay and hair follicle organ culture, respectively. The expression of various growth and survival factors in hDPCs were investigated by western blot or immunohistochemistry. The ability of AA to induce and prolong anagen phase in C57BL/6 mice was analyzed. Results:AA was found to enhance the viability of hDPCs and promote the expression of several factors responsible for hair growth, including fibroblast growth factor-7 (FGF-7) and FGF-10. Western blotting identified the role of AA in the phosphorylation of various transcription factors (ERK, CREB, and AKT) and increased expression of Bcl-2 in hDPCs. In addition, AA significantly promoted hair shaft elongation, with increased proliferation of matrix keratinocytes, during ex vivo hair follicle culture. It was also found to promote hair growth by induction and prolongation of anagen phase in telogen-stage C57BL/6 mice. Conclusion: This study concludes that AA plays a role in promoting hair growth by increasing the expression of growth factors in hDPCs and enhancing follicle proliferation and survival.
Batmunkh, Munkhbayar,Tanshen, Md. R.,Nine, Md. J.,Myekhlai, Munkhshur,Choi, Heekyu,Chung, Hanshik,Jeong, Hyomin American Chemical Society 2014 INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH - Vol.53 No.20
<P>Nanofluid is a colloidal suspension which has received great attention over the past two decades, but its limited heat transfer enhancement is a matter of concern for industrial applications. We demonstrate an improvement in the thermal conductivity of TiO<SUB>2</SUB> nanofluids with an addition of negligible amounts of modified silver “Ag” nanoparticles. In this work, the surface/shape of newly synthesized “Ag” nanoparticles is modified by planetary ball milling. Then, to enhance the thermal conductivity of TiO<SUB>2</SUB> nanofluids, the flattened “Ag” particles are incorporated with the combination of small (15 nm) and large (300 nm) TiO<SUB>2</SUB> nanoparticles in an aqueous solution. The thermal conductivities of Ag/TiO<SUB>2</SUB>–water nanofluids with various weight concentrations are measured at temperatures ranging from 15 to 40 °C. As a result, the present study confirms that the thermal conductivity of TiO<SUB>2</SUB> based solution can be improved by introducing the flattened “Ag” particles.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/iecred/2014/iecred.2014.53.issue-20/ie403712f/production/images/medium/ie-2013-03712f_0006.gif'></P>
МОНГОЛ, СОЛОНГОСЫН УРАН ЗОХИОЛЫН ХАРИЛЦАА ХОЛБООНЫ АСУУДАЛД
Б.Мө,нхбаяр(Munkhbayar Baatarjav) 단국대학교 몽골연구소 2019 몽골지역연구 Vol.4 No.1
The author considers the question on connection of Mongolian and Korean literature on material of folklore and written works. Such genre of folklore as tongue twisters, addressed to Mongolian and Korean children, is researched. It is revealed that Mongolian and Korean tongue twisters have similar content, thought patterns, methods, and ideas. This is due to similarity of language, culture, beliefs, ceremonies, and traditions. The connection of written literature was investigated by comparison of literature genres, poetic way of thinking, and characters. There is relationship between Mongolian and Korean written literature. It shows that Mongolian literature, in particular Mongolian poetry, develops in according to the world literature, its achievements. The most important similar sides are thinking patterns, methods, characters, and philosophy.
Globally threatened birds in Mongolia: a review
Ganbold, Onolragchaa,Munkhbayar, Munkhbaatar,Paik, In-Hwan,Bing, Gi-Chang,Jargalsaikhan, Ariunbold,Purevee, Erdenetushig,Peak, Woon Kee Elsevier Science B.V. Amsterdam 2017 Journal of Asia-Pacific biodiversity(Online) Vol.10 No.4
<P><B>Abstract</B></P> <P>This paper reviews status of globally threatened birds (GTBs) in Mongolia. Here, we review 26 GTBs from eight orders. In addition, we summarize 10 GTBs recorded during our 2016 field surveys. Swan Geese were most numerous and most frequently sighted of the GTBs with mean 33.8 ± 54.1 counted birds. The Mongolian avifauna survey assessed 476 species of 19 different orders. Twenty-six (5.1%) out of 476 species are listed in the International Union for Conservation of Nature Red List as GTBs. In addition, there is still a huge lack of investigation for GTBs (indeed, all avifauna) of Mongolia.</P>