• Title/Summary/Keyword: Statistical treatment

Search Result 2,561, Processing Time 0.031 seconds

FAULT DETECTION, MONITORING AND DIAGNOSIS OF SEQUENCING BATCH REACTOR FOR INTEGRATED WASTEWATER TREATMENT MANAGEMENT SYSTEM

  • Yoo, Chang-Kyoo;Vanrolleghem, Peter A.;Lee, In-Beum
    • Environmental Engineering Research
    • /
    • v.11 no.2
    • /
    • pp.63-76
    • /
    • 2006
  • Multivariate analysis and batch monitoring on a pilot-scale sequencing batch reactor (SBR) are described for integrated wastewater treatment management system, where a batchwise multiway independent component analysis method (MICA) are used to extract meaningful hidden information from non-Gaussian wastewater treatment data. Three-way batch data of SBR are unfolded batch-wisely, and then a non-Gaussian multivariate monitoring method is used to capture the non-Gaussian characteristics of normal batches in biological wastewater treatment plant. It is successfully applied to an 80L SBR for biological wastewater treatment, which is characterized by a variety of error sources with non-Gaussian characteristics. The batchwise multivariate monitoring results of a pilot-scale SBR for integrated wastewater treatment management system showed more powerful monitoring performance on a WWTP application than the conventional method since it can extract non-Gaussian source signals which are independent and cross-correlation of variables.

Neuroprotective Effect of Sunghyangjungki-San on Focal Cerebral Ischemia Induced by MCAO in Rats (성향정기산이 흰쥐의 MCAO에 의한 국소뇌허혈에 미치는 영향)

  • Kim, Hyo-Sun;Kim, Youn-Sub
    • Journal of Physiology & Pathology in Korean Medicine
    • /
    • v.20 no.3
    • /
    • pp.596-602
    • /
    • 2006
  • This study evaluated neuroprotective effect of Sunghyangjungki-San (SHS) on the focal cerebral ischemia. The rats were induced infarct in cerebral cortex and caudoputamen by using temporal occlussion of the middle cerebral artery (MCAO), then water extract of SHS was treated for MCAO rats. Neuroprotective effect was evaluated by neurological score, infarct sizes and total volume, positive neurons against Bax, Caspase-3, HSP-72, and $HIF-1{\alpha}$ in infarct area with immunohistochemistry. The results obtained were as follows: Treatment of SHS improved neurological score of MCAO rats, but there was not a statistical significance. Treatment of SHS reduced significantly infarct sizes in the brain sections of MCAO rats. Treatment of SHS reduced significantly total volume of infarct of MCAO rats. Treatment of SHS reduced significantly Bax positive neurons in penumbra of cerebral cortex of MCAO rats. Treatment of SHS reduced significantly Caspase-3 positive neurons in caudoputamen and penumbra of cerebral cortex of MCAO rats. Treatment of SHS reduced significantly HSP-72 positive neurons in penumbra of cerebral cortex of MCAO rats. Treatment of SHS reduced significantly $IF-1{\alpha}$ positive neurons in penumbra of cerebral cortex of MCAO rats.

A Study on Treatment-seeking Behavior of Cancer Patients from Detecting Symptoms to Visiting a Doctor (암환자의 증상 자각 후 병원방문까지의 치료추구행위에 관한 연구)

  • Oh, Hyo-Sook;Park, Hyeoun-Ae
    • Asian Oncology Nursing
    • /
    • v.4 no.1
    • /
    • pp.26-37
    • /
    • 2004
  • The purpose of this study was to determine and test treatment-seeking behavior type and decisional factors of the cancer patients after first detecting symptoms. This study used the methodological triangulation. In the first, treatment-seeking behavior type and decisional factor were described based on qualitative data collected from in-depth interviews with 29 cancer patients. Next, they were tested using quantitative data collected from a structured questionnaire involving 165 cancer patients with statistical method. As a result, treatment-seeking behavior from detecting symptoms to visiting a doctor categorized into immediate visit and delayed visit. The decisional factors on time interval between detecting symptoms and visiting a doctor was influenced by the perceived seriousness of symptoms, the experiences of visiting a doctor previously with similar symptoms, social-group influences on visiting a doctor, barriers to visiting a doctor, and health concerns. There were significant relationship between treatment-seeking time and these factors, however, there was no statistically significant relationship between treatment-seeking time and the demographic characteristics. It is expected that results of this study can be used for nursing education data of cancer patients for early diagnosis after detecting symptoms

  • PDF

A Comparative Study on Improvement of Bell's Palsy and Ramsay Hunt Syndrome According to Treatment Duration (Bell's Palsy와 Ramsay Hunt Syndrome 환자군의 치료 기간에 따른 호전도의 비교 연구)

  • Kim, Hee-Chul;Kim, Jeong-Ho;Kim, Young-Il
    • Journal of Acupuncture Research
    • /
    • v.25 no.4
    • /
    • pp.31-39
    • /
    • 2008
  • Objectives : The aim of this study is comparing the improvement of Bell's palsy and Ramsay hunt syndrome according to treatment duration. Methods : The 11cases diagnosed as Ramsay hunt syndrome and 30cases of Bell's palsy who visited Cheong-ju Oriental Medical hospital from February 2006 to June 2008 were evaluated. We used Yanagihara's unweighted Grading System to confirm the improvement. Results : In the analysis of cause, except the "none", the most common cause was "Overwork" in both two group. After 5-day treatment the score was getting worse but after 10-day treatment score was improved in both group. The improvement of Bell's palsy group was better than that of Ramsay hunt syndrome group after 5-day and 10-day treatment, but there was no significance. Conclusions : In comparison of Yanagihara's unweighted grading score checked before treatment, after 5-day, 10-day and 15-day treatment between Bell's palsy and Ramsay hunt sundrome, there was no statistical significant difference.

  • PDF

A STUDY ON SURFACE HARDNESS OF COMPOSITE RESINS ACCORDING TO STORAGE CONDITON AND HEAT TREATMENT (보관조건과 열처리에 따른 복합레진의 표면경도에 관한 연구)

  • Kang, Seung-Hoon;Min, Byung-Soon
    • Restorative Dentistry and Endodontics
    • /
    • v.19 no.1
    • /
    • pp.194-204
    • /
    • 1994
  • The purpose of this study was to evaluate the surface hardness of composite resins according to heat treatment. storage condition and storage time. In this study. two kinds of composite resin inlays and one kind of conventional posterior composite resin were used as experimental materials. One hundred eighty composite resin specimens were constructed from composite resin inlays and conventional posterior composite resin. The conditions of this study were heat treatment. storage condition and storage time. Hardness readings were taken from the top surface of each samples using the Vickers microhardness tester(MHT-l. Matsuzawa. Japan}. The following results from this study were obtained: 1. Regardless of storage condition. both composite resin inlay and conventional posterior composite resin have a higher surface hardness under heat treatment than not. 2. Composite resins with heat treatment have a higher surface hardness under dry storage than under water immersion. 3. In case of Clearfil Photo Posterior and Brilliant Enamel with heat treatment. there was no significant difference with time. but Clearfil CR Inlay with heat treatment. there was statistical difference after 24 hours. 4. Surface hardness of composite resins with coarse hybrid type was higher than that of composite resin with fine hybrid type.

  • PDF

The Clinical Effects of Cupping Therapy at Bedtime for Sleep Disorder Induced by Traffic Accidents (수면 전 부항요법이 교통사고로 유발된 수면장애에 미치는 임상적 효과)

  • Lee, Eun-Jung;Jeoun, Tae-Dong;Yoon, Il-Ji;Oh, Min-Suck
    • Journal of Korean Medicine Rehabilitation
    • /
    • v.20 no.1
    • /
    • pp.193-208
    • /
    • 2010
  • Objectives : The purpose of this study is to investigate the clinical effects of cupping therapy on sleep disorders induced by traffic accidents. Methods : The 46 patients were divided into 2 groups : Exp.group was treated with cupping therapy at bedtime and Con.group was treated except cupping therapy at bedtime. To evaluate the efficiency of cupping therapy, the SMH sleep questionnaire and Visual Analogue Scale(VAS) were applied before treatment and after 7 days treatment. Results : 1. The Exp.group has improved statistical significantly in delaying bedtime and bedtime arousal as compared to the Con.group. 2. The Exp.group was increased in total sleep time but had no statistical significance as compared to the Con.group. 3. The Exp.group was improved in subjective evaluation of satisfaction with sleep, depth of sleep, the overall sleep and difficulty in falling asleep. Conclusions : Cupping therapy at bedtime has clinical effects of improvement of sleep disorder induced by traffic accidents.

Statistical Properties of Vickers Hardness of Post Weld Heat Treated Friction Welded Parts in Alloy718 (Alloy718 마찰용접 후열처리재의 비커스 경도의 통계적 성질)

  • Kong, Yu-Sik;Kwon, Hyeok-Yong;Kim, Seon-Jin
    • Journal of Ocean Engineering and Technology
    • /
    • v.23 no.6
    • /
    • pp.105-110
    • /
    • 2009
  • The objective of this paper is to investigate the statistical properties of Vickers hardness (HV) for friction welded parts in a Ni-based super alloy (Alloy718). In the case of post weld heat treatment (PWHT) parts, hardness tests were repeated for three different applied loads, 100, 200, and 300 g, with a duration time of 10 seconds. The arithmetic means of the Vickers hardness in heat affected zone (HAZ) materials were smaller than those of the base metal (BM) in all of the applied loads. The coefficient of variation (COV) for the BM and HAZ decreased by increasing the applied load. The probability distribution of the Vickers hardness followed the Weibull distribution well. The distribution of the Vickers hardness was not found to be symmetric. The shape parameter and scale parameter increased by increasing the applied load at both the BM and HAZ.

Study on the Relationship between Weather Conditions, Sewage and Operational Variables of WWTPs using Multivariate Statistical Methods (기상조건이 하수발생량 및 하수처리장 운전인자에 미치는 영향에 관한 통계적 분석)

  • Lee, Jae-Hyun
    • Journal of Korean Society on Water Environment
    • /
    • v.28 no.2
    • /
    • pp.285-291
    • /
    • 2012
  • Generally, the rainfall and the influent of wastewater treatment plants (WWTPs) have strong relationship at the case of combined sewers. With the fact that the influent variations in terms of quantity and sewage quality is the most common and significant disturbance, the impact factor to the characteristics of sewage should be searched for. In this paper, the relationship between weather conditions such as humidity, temperature and rainfall and influent flowrate and contaminant concentration was analysed using factor analysis. Additionally, 3 influent types were deduced using cluster analysis and the distributions of operational variables were compared to the each groups by one-way ANOVA. The applied dataset were clustered to three groups that have the similar weather and influent conditions. These different conditions can cause the different operating conditions at WWTPs. That is, the Group 1 is for the condition with high humidity and rainfall, so DO concentration in the reactor was very high but MLSS concentration was very low because of too large flowrate. However, the Group 3 is classified to the case having low humidity, temperature, and rainfall, therefore, the SRT was the longest and the SVI was the highest due to the worst settleability in the winter for a year.

Extracorporeal Shock Wave Therapy for Myofascial Pain Syndrome of Upper Trapezius (충격파치료를 이용한 상부 등세모근의 근막통증증후군 치료)

  • Lee, Jung-Ho;Jung, Kang-Hoon;Park, Young-Han
    • Journal of the Korean Society of Physical Medicine
    • /
    • v.7 no.2
    • /
    • pp.183-190
    • /
    • 2012
  • Purpose : The purpose of this study was to evaluate whether extracorporeal shock wave therapy (ESWT) is an effective treatment for myofascial pain syndrome (MPS) of upper trapezius. Methods : Study subject were 20 patients (7 male and 13 female). The patients were evaluated by assessing of pain and function using visual analog scale (VAS) and pressure pain threshold (PPT) and Constant-Murley scale (CMS). Statistical analysis was used paired T-test to know significance probability between pre-test and post-test. Results : There was no statistical significance in the change in PPT. But, VAS scores were significantly improved after ESWT (p<.05). Using the Constant-Murley score, this study showed a significant decrease in pain and a significant increase in range of motion of shoulder (p<.05). Conclusion : These results indicate that extracorporeal shock waves therapy could be considered as an effective and efficient treatment modality for myofascial pain syndrome of upper trapezius.

The Status of Medical Rehabilitation of the CVA Patients (뇌졸중환자의 재활의료실태)

  • Kim, Mi-Ran
    • Journal of the Korean Academy of Clinical Electrophysiology
    • /
    • v.2 no.2
    • /
    • pp.61-76
    • /
    • 2004
  • This research tries to find out the methods to enhance the rehabilitation ability of Cerebro Vascular Accident(CVA) patients and their family members. For this purpose, the authors identify the factors that may affect the medical rehabilitation process as well as the rehabilitation itself. Furthermore, the current status of the rehabilitation ability and the desires of CVA patients and their family members are surveyed in this research. The results of this research are as follows: Firstly, the surveyed CVA patients, most of whom are over fifties in the age, have cerebral infection and hemorrhage in a numerical order. The survey showed that the larger cities they live in, the more CVA occur to them. Secondly, the survey for the treatment cost demonstrated that the lower are their living level and their education level, the more pressure is put on the CVA patients and their family. The statistical data proved this conclusion is reasonable. Thirdly, as for the safisfaction for the rehabilitation treatment, the statistical survey showed that it is directly proportional to their financial income. Moreover, those who have lower income generally want the rehabilitation services from a public health center. On the other hand, those who have higher income want the home therapy services.

  • PDF