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신호균,전승호,김만균 대한설비관리학회 2004 대한설비관리학회지 Vol.9 No.2
This study present the method to cope with the limitations of the existing study that has uniformly been customizing the methodology by only project's complexity. We show how the applied model(ODW) is implemented in PMS using knowledgebase and modelbase which are designed for a scope management algorithm. An ODW model is used for implementation of a WBS identification module and regression model is used for measuring project's complexity. Scope management algorithm is simulated in MS-Excel for estimating its effectiveness and the interrelationship among the knowledgebase, modelbase and database is derived.
해안매립지 하천의 수위 및 침수기간이 저수하안 식생공법의 식생피도에 미치는 영향 -인천광역시 심곡천 실험구의 사례를 중심으로-
신범균 ( Beom Kyun Shin ),김혜주 ( Hyea Ju Kim ),최계운 ( Gye Woon Choi ),한만신 ( Man Shin Han ) 한국환경생태학회 2012 한국환경생태학회지 Vol.26 No.3
수위 및 침수기간이 저수하안 식생공법의 식생피도에 미치는 영향을 규명하기 위하여 심곡천 실험구에 적용된 식생공법에 대한 시공모니터링을 수행하였다. 시공모니터링의 항목은 각 공법의 출현식물종과 피복도, 토양의 이화학적 특성, 수위 및 수질 등이다. 모니터링 결과, 2010년도 5월 1차 조사에서는 모든 저수하안 식생공법의 식물생육은 양호하였으나, 2011년 약 1주일 이하의 침수가 있었던 6월 2차 조사에서는 적용된 식생공법의 식물 생육상태 및 피도가 부분적으로 불량하였다. 그리고 조사 기간 중 침수기간이 약 8주로 가장 길었던 8월 3차 조사에서는 갈대를 제외한 대부분의 식생이 고사하였다. 하지만 침수기간이 2주 이내로 3차 조사 때 보다 수위가 하강한 10월 4차 조사에서는 식물의 출현종수와 피복도가 점차 회복되는 것으로 관찰되었다. 이에 정량적 분석을 위하여 식생공의 식물출현종수 및 피도와 수위, 침수기간에 대한 상관성 분석을 실시하였다. 그 결과 출현종수 및 피도는 수위 및 침수기간과는 음(-)의 상관성을 나타내었는데, 침수기간이 수위보다 다소 더 높은 상관성이 있는 것으로 분석되었다. The study performed the implementation monitoring of the revegetation methods applied to the test-bed of Simgok Stream in Incheon to identify the effect of water level and inundation period on the vegetation coverage of the stream bank revegetation methods. The categories of monitoring included the plant species and plant coverage for each method, physicochemical property of soil, water level and water quality. The result of monitoring revealed that plant growth conditions of all revegetation methods of each stream bank were good in the first survey as of May 2010. However, in the second survey of June 2011 when inundation period was less than a week, plant growth conditions and coverage of revegetation methods were partially bad. In the third survey as of August 2011 when inundation period was longest as 8 weeks during survey period, most vegetations did not survive except for Phragmites communis, But plant species number and plant coverage were increased gradually in the forth survey as of October 2011 when inundation period was less than 2 weeks so water level decreased more than that of third survey. Accordingly, the correlation analysis among number of plant species and plant coverage on stream bank, which applied revegetation method, water level and inundation period was performed for quantitative analysis. The result revealed that number of plant species and plant coverage has a negative correlation with water level and inundation period, but inundation period had higher correlation with plant occurrence than water level.
신치만,최진석,정순호,최영균,김영재,박진우,박주열 인제대학교 1999 仁濟醫學 Vol.20 No.1S
고나트륨혈증은 탈수, 부적절한 수액요법, 뇌 손상 등의 여러 가지 원인에 의하여 발생할 수 있으며 신 질환, 뇌 손상 등과 동반된 고나트륨혈증은 영구적으로 신경학적 후유증을 남길 수 있고 사망률이 매우 높은 질환이다. 그러나 부적절한 수액 요법에 의하여 발생하는 고나트륨혈증은 수액 투여 시 주의를 한다면 예방이 가능할 것이다. 저자들은 수술 중 발생한 고나트륨혈증을 경험하였기에 문헌고찰과 함께 보고한다. Hypernatremia is defined as a plasma sodium concentration greater than 145 mmol/L, and hypernatremia caused by frequently diabetes insipidus or osmotically induced loss of sodium and water. Postoperative neurosurgical patients who have undergone pituitary surgery are at greater risk for development of transient or prolonged diabetes insipidus. Treatment of hypernatremia produced by water loss consist of repletion of water and deficient electrolytes, especially total body sodium. The water deficit should be replaced over 24∼48 hours and the plasma sodium concentration should not be reduced by more than 1∼2mEq/L/hr. To the patient undergoing brain surgery, special attention about the serum electrolytes should be given(during anesthesia). We experienced the fulminant hypernatremia case occuring under anesthesia and did not improve with conventional fluid therapy. The cause of intractable hypernatremia might be the central origin diabetus insipidus, especially in case of pituitary lesion.
各種波長可視光線照射時의 正常白鼠의 好酸球數의 變動및 Chlorpromazine投與時의 影響
申萬鍊,丁東均 최신의학사 1959 最新醫學 Vol.2 No.5
In the previous article, the authors described the fluctuations of 17-ketosteroid values in the rib bit urine after irradiation with various visible r ays, and the administration of chlorpromazine gives no change in the excretes of the substance. In this experiment, the author has observed the changing rate of eosinophiles by the irradiation of isolated rays and also the effects of chlorpromazine on the eosinophile count. The reults are summerized as follows. 1. The irradiation of various visible rays caused a defenite decrease in the eosinophile count inthe rats. The blue ray, the shortest wavelength, has the strongest action of decreasing. while has the rad ray, the longest, the Ieast effect. This suggests that the flashing of visible rays causes a dcfenite stress as would result in the decrease of eosinophile count. 2. There showed no significant difference in the decrease of eosinophile count between the normal rats treated with chlorpromazine and the control rats flashed with normal ray. Therefore, this could demonstrate that chlorpromazine can block the stress action caused by the light.
Synergetic analysis of springtime air pollution episodes over Gwangju, Korea
Shin, Sung-Kyun,Lee, Kwon-Ho,Park, Seung-Shik,Wong, Man Sing Elsevier 2017 JOURNAL OF ENVIRONMENTAL SCIENCES -BEIJING- Vol.57 No.-
<P>The characteristics of springtime aerosols, including their optical and microphysical properties, were analyzed for the months of March to May of 2009 in Gwangju (35.23 degrees N, 126.84 degrees E), Korea. A high Light Detection and Ranging (LIDAR)-derived aerosol depolarization ratio (6) of 0.25 +/- 0.04 was determined on dust particles during the observation period. The Angstrom exponent values of the 440-870 nm wavelength pair (angstrom(440-870)) and single-scattering albedo at 675 nm (0675) measured by a CIMEL sun/sky radiometer were 0.77 +/- 0.19 and 0.95 +/- 0.01, respectively. The elevated dust layers reached a maximum elevation of 4 km above sea level. Anthropogenic/smoke particles that originated from highly populated/industrialized regions could be distinguished by their relatively smaller particle size (angstrom(440-870) ranged between 1.33 and 1.36) and higher light -absorbing (Omega(675) of 0.92 +/- 0.01) characteristics. These aerosols are mostly distributed at altitudes <1.2 km. The root-mean-square deviation (RMSD) between the aerosol optical depth (AOD, tau) derived from LIDAR (TuDAR) and from the tau(CIMEL) sun/sky radiometer (tau(CIMEL)) varied with respect to the surface PM10 concentration. The RMSD between tau(LIDAR) and tau(CIMEL) was as low as 13% under lower PM10 concentration levels (<100 Rg/m(3)). In contrast, the RMSD between tau(LIDAR) and tau(CIMEL) increased three times (similar to 31%) under high surface IDMio concentration levels (>100 g/m(3)). These results suggest that the accuracy of tau(LIDAR) is influenced by specific atmospheric conditions, regardless of its uncertainty. (c) 2017 The Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences. Published by Elsevier B.V.</P>