남미의 경제통합과 새로운 지역주의화 : MERCOSUR를 중심으로

심의섭,주석배 明知大學校 經濟硏究所 2002 경영연구 Vol.21 No.1

1990년대 초반을 지나면서 자유무역을 확대하여 자국의 이익을 추구하려는 선진국의 노력은 세계화를 가속화시켰고, 자국의 이익을 도모하려는 특정지역의 상호협력은 지역화 현상으로 나타났다. 이러한 조류에 따라 남미공동시장(MERCOSUR)도 1991년에 새로이 출범하였다. MERCOSUR는 처음부터 국가별, 산업별 보완관계를 증진하기 위해 물리적인 통합을 하였으며, 회원국간의 경제적 상호의존도의 증가로 역내교역도 증대되었고, 1995년 이래 내부적인 국가별 에너지 및 운송 관련 사회간접자본 투자에 의한 지역적 네트워크를 구축하여 산업통합을 꾀하였다. 또한 2006년까지로 계획된 대외공동관세의 통일은 최근의 개별 회원국과 제3국간의 양자협정의 체결로 지장을 받고 있지만, 이러한 상황에서도 MERCOSUR은 개방적 지역주의에 따라 인접국가들인 칠레와 볼리비아를 끌어 들여 협력체를 확대하고, EU와도 자유무역지대의 형성을 추진하는가 하면, 향후 남미자유무역지대(SAFTA)와 미주 자유무역지대(FTAA) 설립 등 대륙간 경제통합의 광역화를 추진하고 있다.

더덕의 효율적인 재분화 및 뿌리발달

심주선,조숙녀,손화,김무성,노영덕,김세영,양덕춘 경희대학교식량자원개발연구소 2005 硏究論文集 Vol.24 No.-

더덕은 식용, 관상용, 생약재료로 쓰이는 방향성 식물이다. 본 연구는, 종자의 기내배양을 통하여 식물체 재분화와 뿌리발달을 실험했다. 종자의 발아는 GA_(3) 100 mg·L(-1)처리와 저온처리 시 매우 양호하였다. 더덕의 기내에서 shoot의 형성은 2 mg·L^(-1) BA, 2 mg·L(-1) NAA가 첨가된 MS 기본배지에서 가장 양호하였으며, 줄기의 절편체와 비교하여 잎 절편체에서 재분화가 잘되었다. 또한 뿌리의 발육은 계속적인 계대배양에 의해서 양호하였는데 shoot의 길이를 1 cm 정도 남긴 뿌리를 연속적으로 4회 계대배양에서 뿌리가 주근으로 발육하였으며 길이는 약 3 cm 및 직경은 0.5 cm의 정상적인 뿌리를 얻을 수 있었다. Codonopsis lanceolata is widely used as edibles, ornamental plant and crude drug material. This study was carried out to confirm the ratio of germination and efficient differentiation of shoot and root in vitro. The germination of Codonopsis lanceolata seed was excellent in the medium with GA_(3) 100 mg·L(-1) and chilling treatment. The shoot formation of Codonopsis lanceolata was good at the MS medium with 2 mg·L(-1) BA and 2 mg·L(-1) NAA. According to inoculum part, ratio of re-differentiation was higher from the leaf explant compared with the stem explant. For root development, successive subculture with 1 cm shoot of upper part from root was efficient. Roots of Codonopsis lanceolata cultured in vitro system was grown like normal root with length of 3 cm and thickness of 0.5 cm at the 4 successive subcultures.

출혈성 소화성 궤양의 장기 재발률

심기남,정훈용,양석균,홍원선,박의련,박무인,김해련,민영일 대한소화기내시경학회 1999 Clinical Endoscopy Vol.19 No.2

Background/Aims: Bleeding from a peptic ulcer is one of the common and serious complications associated with the rate of reported mortality, which ranges from 5% to 10%. Endoscopic therapy is effective in controlling active bleeding and reducing the emer-gency surgery, the immediate mortality rate and the incidence of early rebleeding. But few recent studies have documented the long-term recurrent bleeding rate after discharge in patients with bleeding peptic ulcers. The aim of this study was to determine the long-term recurrent bleeding rate and factors predisposing to recurrent bleeding. Methods: Eighty-eight patients with bleeding peptic ulcers discharged after medical treatment between Dec. 1990 and Jul. 1992 were included in this study and retrospectively followed up with medical records and telephone interviews. The end point of follow-up was recur-rent hemorrhage, surgery for treatment of ulcer complication, or death. Results: By July 1997, retrospective follow-up was available in 76 patients. Recurrent bleeding occurred in 23 patients (30.3%) with bleeding peptic ulcers and the median follow-up period was 69 months (range, 1 ∼79 months). The estimated cumulative recurrent bleeding rate after 1, 2, 3, 4, 5 and 6 years was 11.8%, 14.5%, 19.9%, 24.2%, 27.2% and 34.2%, respectively. There was no difference between the recurrent bleeding group and the non-recurrent bleed-ing group according to age, sex, prior NSAIDs use, previous history of bleeding or pepticulcer, site of ulcer, stigmata of recent hemorrhage at initial examination, method of treatment and amount of transfusion. Conclusion: Recurrent bleeding occurred in one-third of patients with bleeding peptic ulcers after 6 years of follow-up and one-third of recurrent bleeders rebled within 1 year. The factors predisposing to recurrent bleeding in the long-term follow-up could not be found. Therefore, further studies designed to identify factors predisposing to recurrent bleeding are needed and the evaluation of Helicobacter pylori status in bleeding pepic ulcer is needed because Helicobacter pylori is an important factor of peptic ulcer recurrence.

WO_3/SiO_2, MoO_3/SiO_2 觸媒들의 擔體酸處理 特性에 관한 硏究

沈敬淑,丁碩鎭 慶熙大學校 1986 論文集 Vol.15 No.-

The surface characteristics of the differently loaded WO_3/SiO_2 and MoO_3/SiO_2 catalysts which were prepared with special support acid-treatment procedures were examined using the N_2 adsorption at-195℃ and NH_3 adsorption at 165℃ each. For the N_2 adsorption, conventional gas volumetric adsorption apparatus, and for the NH_3 adsorption differential scanning calorimentry(DSC) were used. The total surface area per unit weight of support was constant for WO_3/SiO_2 catalyst against the extent of metal loading, but decreased for MoO_3/SiO_2 catalyst. It may be suggested that the formation of surface compound of tungsten oxides on the support surface constitutes the monolayer and the interaction between the support and active metal is more sensitive on MoO_3/SiO_2 than on WO_3/SiO_2. In the acid treatment the acidities of 10 wt% WO_3/SiO_2 and 10 wt% MoO_3/SiO_2 were 6.3 and 30.3 respectively, but those of the acid treated catalyst were 6.6-9.7 and 22-23. The optinum conditions of acid treatment in WO_3/SiO_2 catalyst were found that using the maximum concentration of treatment solution in the range 2-8 N-HCl and that using the shortest treatment time in range 3-8 hr, and die lowest treatment temperature in the range 50-90℃.

정형외과 환자의 관여도에 따른 병원급식 만족도 분석

심은영,윤석권,홍완수 대한영양사협회 2004 대한영양사협회 학술지 Vol.10 No.2

The purposes of this study were to evaluate the quality of hospital food services in view of patients in orthopedic wards and accomplish the quality improvement in hospital foodservice operations. Quantitative questionnaires for patients containing foodservice satisfaction and demographic information were developed. A survey of 8 general hospitals was undertaken and detailed information was collected from 290 patients in orthopedic wards. The collected data were processed using the SAS PC 6.12 for descriptive analysis and t-test. In demographic information of patients, 32.6% was over 50 years old and 3 1% was hospitalized over 30 days. 80% of patients was taking normal diet. 47.7% and 47.9% of patients showed moderate appetite and moderate pain respectively. The overall satisfaction score for patients was 3.24 out of 5, showing slightly higher level than the average score(3.00). According to foodservice involvement scores of patients, they were divided into two groups which were high involved group and low involved group. Two groups showed significant differences in taste of meals, variety of menu, punctuality of meal times, temperature of meals and portion size. The foodservice involvement factor which affected significantly patient foodservice satisfaction was 'kindness of foodservice staff'.

腹痛의 治療

韓沁錫 亞洲藥品 1987 臨床 醫藥 Vol.3 No.7

탄수화물에서 syn-과 anti-2, 3-디히드록시 알데히드의 합성 : L-Factor와 Muricatacin의 합성

강석구,조현성,심형수 성균관대학교 기초과학연구소 1993 論文集 Vol.44 No.1

천연물합성에 있어서 합성중간체로서 유용한 광학활성의 O-보호된 syn-과 anti-2, 3-디히드록시 알데히드의 네 가지 입체이성질체들을 쉽게 구할 수 있는 D-글루코스나 D-크실로스에서 유도된 푸라노스를 변형시켜 합성하였다. 예컨대 불포화 퓨라노스계의 이중결합에 수소화붕소 첨가반응-산화반응에 의해 입체선택적으로 히드록시퓨라노스를 얻고 이를 O-베질화후 탈아세톤화, 산화성절단반응에 의해 (2S, 3S)-3-포르옥시-2-벤질옥시알칸알을 얻었으며 그 외 (2S, 3R)-, (2R, 3S)-, (2R, 3R)-디히드록시알칸알을 얻었다. 이러한 중간체들을 이용하여 L-factor와 muricatacin을 합성하였다. Four stereosiomers of optically active O-protected syn- and anti-2, 3-dihydroxy aldehydes, chiral synthons for natutal product synthesis, were synthesized from readily avilable D-glucose and E-Xylose. (2S, 3S)-3-Formylosy-2-benzylxoy alkanals were synthesized by stereoselective hydroboration of the unsaturated furanoses followed by O-benzylation, deprotection, and oxidative cleavage. (2S, 3R)-, (2R, 3S)-, and (2R, 3R)-Dihydroxy alkanals were also synthesized. Using these chiral synthons, (4R, 5S)-(-)- and (4S, 5S)-(+)-L-factors, the proposed autoregulators from Strpiomyces griseus and muricatacin, a biologically active constituent from the seeds of Annona muricata L. were synthesized.

필리핀의 제 2 차 금융위기설과 경제불안 요인

주석배,심의섭 명지대학교 리서치아카데미 2002 리서치 아카데미 논총 Vol.5 No.-

탄수화물에서 광학활성 중간체 O-보호된 (S)-와 (R)-3-히드록시 알데히드의 합성

강석구,조현성,심형수 성균관대학교 기초과학연구소 1993 論文集 Vol.44 No.1

탄수화물로부터 유도된 불포화 퓨라노스 고리계를 입체 선택적인 수소화 반응에 의해 chiral synthon인 광학활성의 (S)-3-포르밀옥시 알데히드를 합성하였고, 탄수화물에서 유도된 3-히드록시 퓨라노스를 Barton-McCombie의 deoxygenation반응에 의해 (R)-3-포르밀옥시 알데히드를 합성하였다. (S)-e-Formyloxyaldehydes, chiral synthons for natural products, were synthesized via highly stereoselective hydrogenation of the unsaturated furanose ring system derived from D-glucose or D-xylose. Alternatively, (R)-3-formyloxyaldehydes were prepared via deoxygenation of 3-hydroxyfuranoses.

가공 송전선의 부식진단시스템 개발

김성덕,심재명,정원일,장석구,이승호,김영달 大田産業大學校 2000 한밭대학교 논문집 Vol.17 No.1

A diagnosis method to inspect deterioration in overhead ACSR conductors is discussed in this paper. Corrosion would be occurred by various and complex factors such as atmospheric indices, installation environment and metallic configuration, but must of corrosions are mainly due to atmospheric corrosion, galvanic corrosion and crevice corrosion. Such corrosion in ACSR would lead to be zinc loss of galvanized steel strand and reduction of cross section area of aluminum strand and it may be mechanical strength of power conductor in service to reduce. Global corrosion can be treated as average corrosion occurring on the conductor and it would appear to any material variations by the elapsed years of the conductor in the atmosphere. Therefore, as estimating the loss rate of tensile strength of aged conductor corresponding to the elapsed years, it would be possible to quantify global corrosion indirectly to a prediction function. Through such results, loss degree for ACSR 97[mm2] is classified to 4 ranges. i.e., no loss, possible loss, partial loss and sever loss. Both local and global corrosion could not be detected by visual inspection, but we proposed a corrosion detector system using a solenoid eddy current sensor in order to inspect such corrosion for old conductor. Corrosion detecting system is constituted to a corrosion detector and a ground station controller. Corrosion detector consists of sensor coil and sensing head, signal processing unit, data communication system, motor driver and controller, u-processors and power supply. After considering operation and manipulation in the field, motor, battery and wheels were selected and designed in order to reduce the weight of corrosion detector. Programs for u-processors, measurement program operated in a PC were also developed. Before testing the corrosion detector in the field, several experiments were carried out in the laboratory for artificial corroded samples. Sensor performance, mechanical tests such running ability and weight, and RF data transmission as well as measurement program were examined. After testing a simple corrosion detector system in the laboratory, several filed tests were carried out in practice transmission lines installed in domestic area. Finally, the suggested corrosion detecting system shows an effectiveness to detect local corrosion in acted conductor in practice.