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On Kriging Estimation Algorithm for Groundwater Contaminant Concentration
Lee, Young-Chen,Ha, Bang-Soo 호남대학교 1998 호남대학교 학술논문집 Vol.19 No.2
측정되지 않은 지점에서 지하수오염물질농도를 추정하는 기법중에 하나의 방법이 크리깅이다. 크리깅을 통하여 측정되지 않은 지점의 값을 추정하기 위해서는 먼저 semivariogram을 구하고 semivariogram의 분포형태에 따라 수학적 모형을 이용하여 얻어진 결과를 이용한다. 본 논문에서는 MATLAB 프로그램을 이용하여 크리깅 알고리즘을 개발하였다.
제왕절개만출술시 N2O-Meperidine 마취의 임상적 고찰
박영철,김영수,하영천,박주열 대한마취과학회 1986 Korean Journal of Anesthesiology Vol.19 No.1
Several methods for the management of intractable pain for various conditions including malignant disorders, herpes zoster, and low back pain and/or sciatica in 80 patients were described and analyzed. Neurolytic blodks of celiac plexus were given to the patienta suffering from intra-abdominal pain from malignant origin or chronic pancreatitis. Herpes zoster was treated mainly by chemical sympathectomy via paravertebral route and occassionaly corticosteroid was administered epidurally with the local anesthetic, bupivacaine. All the patients with low back pain and/or sciatica were given epidural corticosteroid one to three times. Other peripheral verve blocks and regional corticosteroid therapy were given to the rest of the patients. Fair to excellent result was obtained in 71% of the patients but the response was poor in the remaining 28% of the patients. It seems that the earlier the patients were referred to the pain clinic, the better the results were.
정규섭,김인세,김성수,성장호,하영천 대한마취과학회 1987 Korean Journal of Anesthesiology Vol.20 No.2
This study was undertaken to evaluate the result of intensive respiratery care for 36 patients who developed acute respiratory insufficiency and pulmonary comlications after operation in Busan National University Hospital, and to compare the any difference between the survivors and nonsurvivors. The results were as follows : 1) 20 patients survived (55.6%) . 2) In 19 patients(52.8%), were received prolonged cancer operation and upper abdominal surgery. 3) 30 patients had abnormal physilogic conditions before operation, in which the COPD was the most common problems. 4) 55% of aurvirors had mean operation time less than 5 hrs and 75% of non survivers had mean operation time greater than 5 hrs. 5) In 83.3% of patients, acute respiratory compiication was developed within 10 hours from the opration, 6) Majority of the patients (25/69.4%) required less than 24 hrs of ventilatory support. 7) 29 patients, receive the PEEP therapy and the level of PEEP was 6∼15 cmH_2O. 8) The survivors showed fair general conditios during respiratory care, such as normal range of blood preasure, more improved pulmonary function, more improved atterial blood gases and CVP, and adequate hourly urine output. But the nonsurvlvors had poor general conditions, such as unstable blood pressure, poor pulmonary function, abnormal arterial blood gases in spite of ventilatory support, low urine output, high CVP, and elctrolyte i mbalances.