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김영하,전방욱,박광하,이성원 강릉대학교동해안지역연구소 1994 東海岸硏究 Vol.5 No.1
강릉남대천의 BOD를 1990년 4월부터 1993년 12월까지 모니터하였다. 강릉수력발전소의 발전수 방류 결과, 방수구와 홍제보의 BOD는 증가하는 경향을 보였으나, 하구의 BOD는 감소하는 경향을 나타내었다. 회귀분석에의하면 방수구와 홍제보의 매월 BOD 증가율은 공히 0.031mg/l이었으며, 하구에서의 매월 BOD 감소율은 0.071mg/l였다. The BODs of Namdaecheon Stream, Kangnung were monitored from April, 1990 to December, 1993. BODs at water outlet and Hongjebo were gradually increased, while BOD at estuary was decreased due to water discharged from Kangnung hydropower plant. The increasing rates in BOD at water outlet and Hongjebo were both 0.031mg/l month and the decreasing rate at esturary was 0.071mg/l month by linear regression analysis.
Ha, Eun-Gyeong,Chang, Jeong-Ah,Byun, Sung-Min,Pac, Chyongjin,Jang, Dong-Myung,Park, Jeunghee,Kang, Sang Ook The Royal Society of Chemistry 2014 Chemical communications Vol.50 No.34
<P>Hybrid systems prepared by fixing a Re(<SMALL>I</SMALL>) complex and a dye on three types of TiO<SUB>2</SUB> nanoparticles in two different ways commonly revealed persistent photocatalysis of the CO<SUB>2</SUB> reduction to CO with no levelling-off tendency under visible-light irradiation in DMF, giving a turnover number of ≥435.</P> <P>Graphic Abstract</P><P>Higher photocatalytic CO<SUB>2</SUB> conversion to CO with a turnover number of 435 was achieved by the ternary dye-sensitized systems comprising a dye/TiO<SUB>2</SUB>/Re platform. <IMG SRC='http://pubs.rsc.org/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=c3cc49744e'> </P>
하주원,백승,송종운,박충열,이용욱,박홍주,오희균,유선열,김옥준 大韓顎顔面成形再建外科學會 2001 Maxillofacial Plastic Reconstructive Surgery Vol.23 No.6
Pleomorphic adenoma of the palate is the most common of all intraoral salivary tumors. It can occur at any age but it presents most commonly in the 40∼60 age group, and there is no significant sex preponderance. It grows slowly and is usually painless, firm, well-circumscribed nodule. Because of high rate of recurrence, extra-capsular excision including the overlying mucosa and margin of normal tissue is recommended. We report 10 cases of palatal pelomorphic adenoma which have been successfully treated by extra-capsular excision. The surgical defects smaller than 3㎝ in diameter were covered with palatal acrylic splint for the secondary healing. The larger defects were repaired using palatal island flap in 3 cases, rotation flap and buccal fat graft in each 1 case. No patient showed any recurrence or malignant change during the mean follow-up period of 4 years and 9 months. These repair methods seem to be simple, reliable and uncomplicated procedures in the palatal surgical defects.
Herbal formulation MIT ameliorates high-fat diet-induced non-alcoholic fatty liver disease
Sang-hyun Ahn,Eun-Sun Yang,Hey-Rin Cho,Syng-Ook Lee,Ki-Tae Ha,Kibong Kim 한국한의학연구원 2020 Integrative Medicine Research Vol.9 No.4
Background: Non-alcoholic fatty liver disease (NAFLD) is one of the most common liver diseases and is caused by obesity, diabetes, high blood pressure, and insulin resistance. Many studies have explored novel candidates to treat NAFLD using herbal medicines owing to their fewer side effects. In this study, we examined the effect of MIT, an herbal formula comprising Ephedra sinica, Panax ginseng, and Alisma orientale, on the murine model of NAFLD. Methods: To evaluate the effect of MIT on NAFLD, we used the high-fat diet (HFD)-induced NAFLD mice model. The mice were divided into four groups: control, HFD, HFD with metformin administration, and HFD with MIT administration. Freeze-dried MIT was dissolved in phosphate buffered saline and orally administered for 8 weeks to MIT-treated mice (60 mg/kg) after feeding them with HFD for 16 weeks. Results: MIT treatment significantly attenuated fat accumulation, serum glucose levels, and excessive cholesterol. It also reduced the activation of NF-κB, JNK, ERK, mammalian target of rapamycin, and peroxisome proliferator-activated receptor γ in the HFD-induced NAFLD mice. The expression level of enzymes involved in the synthesis and oxidation of fatty acids, acetyl-coA carboxylase and CYP2E1, were clearly reduced by MIT treatment. Reactive oxygen species (ROS) production and subsequent liver damage were effectively reduced by MIT treatment. Conclusion: We suggest that MIT is a potent herbal formula that can be used for the prevention and treatment of obesity-related NAFLD via regulating the levels of serum glucose and free fatty acids, inflammation, lipid accumulation, and ROS-mediated liver damage.
위의 염증성 섬유양 용종 : 6례 보고 Report of 6 Cases
이성근,김양욱,이상혁,설상영,정정명,최하진,김영주,주종은 인제대학교 1994 仁濟醫學 Vol.15 No.1
상부위장관 내시경증 위의 염증성 섬유양용종 6례를 발견하고 문헌고찰과 함께 보고한다. Six cases of inflammatory fibroid polyp of the stomach were presented and their histology characteristics, pathogenesis and malignant change were discussed along the line of inflammat basis. They ocurred as polypoid lesion in the antrum except for two found in the body of the stoma The size of polyp was variable from 0.6×1.0cm to 6.0×5.0cm in size. A instance with concomitant adenoma In the same area was noted among 6 cases of the stomach. more treatment was needed after tissue diagnosis by endoscopic polypectomy and by gastrecton They were reaction to unique stimuli that were undetermined rather than tumor due to their histology characteristics.
박성욱 ( Sung Ook Park ),나형종 ( Hyung Jong Na ),송혁준 ( Hyuck Jun Song ),윤은하 ( Eun Ha Youn ) 한국중소기업학회 2014 기업가정신과 벤처연구 Vol.17 No.3
We compare the tax aggressiveness of venture companies and non-venture companies. We examine how tax aggressiveness varies depending on the type of the venture company, where types are defined based on the capital structure and R&D intensity. Our results show that tax aggressiveness of venture companies is higher than that of non-venture companies. This suggests that venture companies face a more competitive environment and financial constraints. Due to the environment and characteristics of venture companies, despite various tax benefits, they are more likely to engage in aggressive tax planning. We categorize venture companies into three types according to the capital structure and R&D intensity, and we find the following. Venture companies that obtain equity financing (Type 1) show relatively high degree of tax aggressiveness compared to companies who obtain debt financing (Type 3). This suggests that financing through the guarantee of KTFC (Korean Technology Finance Corporation; Type 3) or borrowed from SBC (Small and medium Business Corporation; Type 3) is recorded as liability on the financial statement. Moreover, tax expense decreases because of the tax benefits from interest expenses. This shows that capital structure affects the tax aggressiveness of venture companies. Venture companies with high R&D intensity (Type 2) have relatively high degree of tax aggressiveness. As venture companies spend a significant part of their profit in R&D they record it as expenses rather than capitalize them as assets to minimize tax expenses. This study has three contributions. First, this paper extends the field of tax research related to venture companies. Second, even if venture companies have small tax burden due to various benefits and support policies, our results suggest that they are likely to establish aggressive tax planning presumably due to the special environment and characteristics. This result provides important insights in policy decisions regarding tax benefits for venture companies. Third, by categorizing venture companies by capital structure and R&D intensity, this study compares the different level of aggressiveness for each type of venture companies. We find a dissimilar result about tax aggressiveness for each type of venture companies, suggesting that tax authorities need to evaluate the tax policy individually according to the firm type.