• Title/Summary/Keyword: average value

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A Study of Surface Electromyography Measurement of Facial Muscles in Normal Person (정상인의 안면부 운동 시 표면근전도 측정 연구)

  • Lee, Hyung Geol;Jung, Da Jung;Choi, Yoo Min;Kim, Suk Hee;Yook, Tae Han;Song, Beom Yong;Kim, Jong Uk
    • Journal of Acupuncture Research
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    • v.31 no.2
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    • pp.51-63
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    • 2014
  • Background or Objectives : The purpose of this study is to measure surface Electromyography(sEMG) of facial muscles in normal person and to find method for standardizing of sEMG's value. Methods : We measured 3points on face, frontalis muscle($GB_{14}$), zygomaticus muscle($SI_{18}$), orbicularis oris muscle($LI_{19}$) of 40 normal person by sEMG. 40 normal person consist with two groups, each 20 male, 20 female. Average age of subject was $26.50{\pm}4.79$. SEMG instrument QEMG-4 XL was used. After training exercise of facial muscles, sEMG's root mean square value was measured once. Results : 1. In whole experimental group, frontalis muscle's both side average was $78.36{\pm}40.87$, zygomaticus muscle's both side average was $84.70{\pm}49.81$, orbicularis oris's both side average was $104.83{\pm}38.81$. 2. Left side of Frontalis muscle, both side of zygomaticus muscle are high marked in male than female in statistically. 3. In whole experimental group, average of ratio comparing smaller value with bigger value in difference between left side and right side was $19.60{\pm}12.88$ %. 4. Average of asymmetry index(AI) was $11.46{\pm}8.36$ %. orbicularis oris muscle's average of AI had least difference was $8.95{\pm}7.50$ %. zygomaticus muscle's average of AI had most difference was $13.95{\pm}8.90$ %. Conclusions : The result of this study could provide useful information of field of sEMG is used in oriental medicine treatment of facial muscles. To assess efficacy of treatment in facial muscles, we need to standardize facial muscle's sEMG values by using AI, ratio comparing values and etc.

Estimation of the Optimal Harvest and Stock Assessment of Hairtail Caught by Multiple Fisheries (다수어업의 갈치 자원평가 및 최적어획량 추정)

  • Nam, Jongoh;Cho, Hoonseok
    • Ocean and Polar Research
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    • v.40 no.4
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    • pp.237-247
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    • 2018
  • This study aims to estimate optimal harvests, fishing efforts, and stock levels of hairtail harvested by the large pair bottom trawl, the large otter trawl, the large purse seine, the offshore long line, and the offshore angling fisheries by using the surplus production models and the current value Hamiltonian method. Processes of this study are as follows. First of all, this study estimates the standardized fishing efforts regarding the harvesting of the hairtail by the above five fishing gears based on the general linear model developed by Gavaris. Secondly, this study estimates environmental carrying capacity (k), intrinsic growth rate (r), and catchability coefficient (q) by applying the Clarke Yoshimoto Pooley (CY&P) model among various surplus production models. Thirdly, this study estimates the optimal harvests, fishing efforts, and stock levels regarding the hairtail by the current value Hamiltonian method, including the average landing price, the average unit cost, and the social discount rate. Finally, this study attempts a sensitivity analysis to figure out changes in optimal harvests, fishing efforts, and stock levels due to changes in the average landing price and the average unit cost. As results induced by the current value Hamiltonian method, the optimal harvests, fishing efforts, and stock levels regarding the hairtail caught by several fishing gears were estimated as 33,133 tons, 901,080 horse power, and 79,877 tons, respectively. In addition, from the results of the sensitivity analysis, first of all, if the average landing price of the hairtail constantly increases, the optimal harvests of it increase at a decreasing rate, and then harvests finally slightly decrease as a result of decreases in stock levels. Secondly, if the average unit cost of fishing efforts continuously increases, the optimal fishing efforts decreases, but optimal stock levels increase. Optimal harvests start climbing and then decrease continuously due to increases in the average unit cost. In summary, this study suggests that the optimal harvests (33,133 tons) were larger than actual harvests (25,133 tons), but the optimal fishing efforts (901,080 horse power) were much less than estimated standardized fishing efforts (1,277,284 horse power), corresponding to the average of the recent three years (2014-2016). This result implies that the hairtail has been inefficiently harvested and recently overfished due to excessive fishing efforts. Efficient management and conservation policies on stock levels need to be urgently implemented. Some appropriate strategies would be to include the hairtail in the Korean TAC species or to extend the closed fishing season for this species.

The Usefulness of Magnification of the Heart Shadow in Chest Radiography (흉부 촬영시 심음영 확대에 따른 유용성에 관한 연구)

  • Park, Eun-Gyung;Lee, Kun-Young;Jung, Young-Tae;Dong, Kyung-Rae;Ji, Youn-Sang
    • Korean Journal of Digital Imaging in Medicine
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    • v.12 no.2
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    • pp.119-125
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    • 2010
  • In order to demonstrate the value of long-distance radiography, we have studied how distance affects images in chest frontal radiography and compared short-distance and long-distance images in chest lateral radiography. Cardiothoracic ratio(CTR %) of 50 patients with no disease in the chest(10 each at the age of 20~60) were evaluated in Supine AP(100 cm), Sitting AP(100 cm), Sitting AP(180 cm), and Erect PA(180 cm). In lateral radiography, we evaluated and compared left lateral radiography(100 cm and 180 cm) of the patients based on the horizontal maximum of the heart. The average value of CTR(%) were 0.48 in Erect PA(180 cm), 0.52 in Supine AP(100 cm), 0.50 in Sitting AP(100 cm), 0.49 in Sitting AP(180 cm), which were Supine AP(100 cm) > Sitting AP(100 cm) > Sitting AP(180 cm) > Erect PA(180 cm). The average value of Maximum transverse diameter of left of the cardiac(MLD), which showed how much axis of spine was slanted to the left, was 90.67 mm in Erect PA(180 cm), 103.92 mm in Supine AP(100 cm), 93.54 mm in Sitting(100 cm), 89.84 mm in Sitting AP(180 cm), 58.11 mm in the minimum value and 118.79 mm in the maximum value. The average value of Maximum transverse diameter of right side of the cardiac(MRD), which suggested how much axis of spine was slanted to the right, was 47.18 mm in Erect PA(180 cm), 48.12 mm in Supine AP(100 cm), 44.98 mm in Sitting AP(180 cm), and the minimum value 26.84 mm and the maximum value 65.30 mm. There was no standard method to calculate; therefore, the horizontal maximum of the heart was used for lateral radiography. The average value was 121.07 mm in 100 cm and 109.76 mm in 180 cm. Sitting AP(180 cm) among the types was closest to C-PA(180 cm). As a result, during C-AP radiography, long-distance radiography lessened shadow of the heart more than that of short distance, Sitting position more than Supine position.

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Genetic Parameters and Annual Trends for Birth and Weaning Weights of a Northeastern Thai Indigenous Cattle Line

  • Intaratham, W.;Koonawootrittriron, S.;Sopannarath, P.;Graser, H.-U.;Tumwasorn, S.
    • Asian-Australasian Journal of Animal Sciences
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    • v.21 no.4
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    • pp.478-483
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    • 2008
  • Records of a Northeastern Thai indigenous cattle line population were used to estimate genetic parameters and annual trends for calf weights. The data set comprised records of 1,922 and 1,489 animals for birth and weaning weight, respectively born from 1993 to 2004. A bivariate analysis was carried out for variance and covariance components estimations using average information restricted maximum likelihood procedure. Average estimated breeding value and maternal breeding value of the animals born in 1993 were set to zero as a base group. Genetic trends of each trait were calculated by regressing average estimated breeding values and maternal breeding values on birth year of calves. Phenotypic trends for each trait were calculated by regressing the yearly adjusted weight on birth year of calves. The results revealed that the estimate of direct heritability, maternal heritability and maternal permanent environmental variance as a proportion of phenotypic variance for birth and weaning weight was 0.40, 0.14 and 0.04; 0.27, 0.05 and 0.23, respectively. Direct heritability was moderately heritable and genetic improvement through selection can be achieved. The estimate of phenotypic, direct genetic, maternal genetic and maternal permanent environmental correlation between birth and weaning weight was 0.48, 0.65, 0.98 and 0.73, respectively. The phenotypic trend, genetic trends of estimated breeding value and maternal breeding value for birth weight was 0.18, 0.04 and 0.01 kg/year, respectively. The phenotypic trend, genetic trends of estimated breeding value and maternal breeding value for weaning weight was -1.36, 0.32 and 0.03 kg/year, respectively. As maternal genetic effect was considerably less important than direct genetic effect, selection for improved weaning weight of this Northeastern Thai indigenous cattle line can place more emphasis on the direct genetic effect.

The PGC-II Polymorphism of the Peroxisome Proliferator-activated Receptor ${\gamma}$ Coactivator $1{\alpha}$ (PGC-$1{\alpha}$) Gene in Korean Subjects with the Metabolic Syndrome

  • Im, Sun-Ok;Kim, In-Sik;Kang, Sang-Sun;Hyun, Sung-Hee
    • Biomedical Science Letters
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    • v.18 no.2
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    • pp.139-145
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    • 2012
  • RFLP of PGC-$1{\alpha}$ gene of 285 Korean women was analyzed by PCR and HpaII restriction. We evaluated the correlation between PGC 1 genotypes and biochemical results, using the results of RFLP. Study subjects were divided into 3 groups: normal group (who has been average value of serum biochemical analysis), upper group (who has been higher value than average value), and low group (who have been lower value than average value). The frequencies of $H_1H_1$, $H_1H_2$, and $H_2H_2$ genotypes were 92 (32%), 85 (32%), and 108 (38%) respectively, and the ratio between $H_1$ and $H_2$ alleles was 1:1.1. There were no meaningful differences between biochemical results and PGC-$1{\alpha}$ genotypes in the normal group. But, in upper group, there was significant difference in total cholesterol (P=0.04) level. In the result of Turkey multiple comparison test, the P value of $H_1H_1$ and $H_2H_2$ was 0.059. In upper group, there were noticeable differences also in triglyceride (P=0.034) level and glucose (P=0.043) level, respectively. There were important differences between $H_1H_1$ type and $H_1H_2$ type in triglyceride (P=0.029) level and between $H_1H_2$ type and $H_2H_2$ type in glucose (P=0.040) level. This study may provide the PGC-$1{\alpha}$ genotype patterns for the amounts of lipid and glucose in the serum. $H_2$ allele (Ser482) of PGC-$1{\alpha}$ gene may be related with upper group in Korean women.

The Correlational Study between Mother's Perception of Nursing Quality and Nurses's Satisfation in their Patient Care (환아 어머니가 인지한 간호의 질과 간호사의 간호 업무 만족과의 상관 관계)

  • Yun, Hye-Bong;Jo, Gyeol-Ja
    • The Korean Nurse
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    • v.34 no.1
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    • pp.60-73
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    • 1995
  • We carried out this study for recognizing the staue of child inpatient nursing and providing child inpatient with better qualified nursing. We study this research from March 29, 93 to April 23, 93 to April 23, '93. First admission day in hospital, we ask 50 mothers of hospitalized child inpatient about the value of nursing and self-consciousness of mothers, also ask 10 nurse in charge about the satisfaction of tending child inpatient Two times-third admission day in hospital and leaving day, we inquired mothers the value of nursing of mothers by inquiry papers, each measurement was made up of five indexes. The result of research was as follow: 1. The subjects of research had following peculiarities. Average age : 2.5 years 0~ 1 years : 32.0% Baby girl : 56.0% first baby : 58.0% Experienced inpatient : 52.0% The number of hospitalization times was 1~2 times : 61. 5% The average period of hospitalization : 7 days Infected inpatient with respiratory organ disease : 40.0% The mother's average age of child inpatient : 30.5 years Mother's who finished high school : 90.9% Family that income about 600,000-700,000 won : 32.0% Mothers who belived an religion : 50.0% 2. As hospitalization time goes by, mothers gradually failed to recognize the value of nursing. 3. Self-estimated tending satisfactions have no connection with the value of nursing that mothers recognized. 4. The value of nursing was effected by mothers own personnality-salf-consciousness care, experience of hospitalization, academic background & religoin. So, we find out that the value of nursing had no connection with satisfaction of tending. Nurses must make every effort to provide child inpatient with nursing of good quality, that mothers confirm and nurses satisfy themselves. Also, we have to emphasize the importance of home and school education, because these education have a great influence upon mother s self-consciousness.

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A study on perceived value of work among the clinical dental hygienists and its determinants (임상치과위생사들의 일가치감 및 그 결정요인에 관한 연구)

  • Yoon, Hee-Suk;Kim, Young-Sun
    • Journal of Korean society of Dental Hygiene
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    • v.7 no.4
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    • pp.495-508
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    • 2007
  • This study, to investigate the state of PVW among the clinical dental hygienists and its determinants, has polled 322 clinical dental hygienists working in Daegu, Kyung buk province, and Ulsan. Data were collected by self-administrated questionnaire. A SPSS 12.0 for Windows was used for statistical analysis. The obtained results were as follows: 1. The average of PVW among the respondents was 3.43. 2. The area average of PVW determinants was as follows; job significance, 3.31, process efficiency, 3.42, product usefulness, 3.32, vision realizability, 3.53, social recognition, 3.23 and the total average, 3.36. 3. The married have higher PVW than the unmarried in all areas(p=.012, p=.008, p=.036, p=.007). 4. As for working experience, in the case of perceived self value, those having 1~2 years experience have the highest PVW(p=.000), apart from perceived self value, those having over 6 years experience have the highest PVW in all areas(p=.015, p=.001, p=.002). Relating to the task, those working in the patient consulting and managing part have the highest PVW, relating to the annual salary, those having over 25 million won have the highest PVW(p=.000, p=.000, p=.001, p=.000). 5. The relationship between PVW and PVW determinants, in all respects, is meaningful, so it was found that the higher determinants are, the higher PVW is. 6. The whole explanation variate of PVW determinants was meaningful in PVW, perceived self value, value fulfillment emotion, respectively representing 38.8%, 55.6%, 61.5%(pE.001). PVW of clinical dental hygienists should be considered as a significant criterion of indivisual and organizational effectiveness. To improve effectually PVW of the clinical dental hygienists, there is need to establish culture in a system of hospital that redound to their social recognition.

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Prediction of Fatigue Life in 2024-73 Aluminum Using X-ray half-value breadth

  • Kim, Soon-Ho;Cho, Seok-Swoo;Park, Jung-Hyeon
    • International Journal of Precision Engineering and Manufacturing
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    • v.3 no.2
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    • pp.78-86
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    • 2002
  • In general, X-ray diffraction method detects the changes of crystal lattice under material surface using the angle of diffraction 2$\theta$. This technique which deals with in the presented paper can be applied to a behavior on the slipped band or the micro crack cause to material degradation. The relation between half-value breadth and cycle numbers shows three stages, which consist of rapid decrease in the initial cycle, slight decrease in the middle cycle, and then rapid decrease in the final cycle. The ratio of half-value breadth has a constant value on B/B$\_$0/ - N diagram under the loading condition except early part of fatigue life. The ratio of half-value breadth B/B$\_$0/ - log N$\_$f/ with respect to number of cycle to failure N$\_$f/ has linear behavior on B/B$\_$0/ - log N$\_$f/ diagram. Therefore, the evaluation of fatigue life by the average gradient has much less mean error than the estimation of fatigue life by log B/B$\_$0/ - log N/N$\_$f/ relation.

A study on the value orientation of nursing unit managers and nursing organization performances (간호단위 관리자의 가치지향성 리더쉽유형과 간호조직성과의 관계)

  • Han, Su-Jeong
    • Journal of Korean Academy of Nursing Administration
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    • v.9 no.2
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    • pp.159-170
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    • 2003
  • Purpose : This study is to confirm the relation of the value orientation of the nursing unit manager and the job satisfaction and organizational commitment of the nursing unit nurse. Method : We used the systematic questionnaires as a study tool. The contents were composed of 46 questions in total such as 4 questions of general feature, 23 value-oriented questions, 10 job satisfaction questions, and 9 organizational commitment questions. The period of data collection was from August to September 2000. Result : 1) The value of flexibility was 3.82 points (${\pm}.3788$), which is above average. The values of equalitarianism was 3.37 points (${\pm}.4422$), which is above average. 2) The leadership pattern according to the value orientation perceived by the head nurses in 6 clusters has been divided into 3 patterns of change-oriented leader, task-oriented and stability-oriented leader. 3) The nurses who worked with the change-oriented leader showed higher values of job satisfaction (F=5.941, p=O.003), and affective commitment (F=5.793, p=O.003) than those who worked with the stability-oriented leader. Conclusion : As revealed in this study, we think that we have to consider that the change-oriented leader can produce higher performance of an organization than the stability-oriented leader, and write the basic data for the educational courses of leadership development or workshops etc. in order for the nursing unit managers to play their roles for the effective ward-unit management.

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Study on Space-Time Adaptive Processing Based on Novel Clutter Covariance Matrix Estimation Using Median Value (중위수를 이용한 새로운 간섭 공분산 행렬의 예측이 적용된 Space-Time Adaptive Processing에 대한 연구)

  • Kang, Sung-Yong;Jeong, Ji-Chai
    • The Journal of Korean Institute of Electromagnetic Engineering and Science
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    • v.21 no.1
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    • pp.20-27
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    • 2010
  • In this paper, we presented a signal model of STAP and actual environment of clutter. The novel estimation method of clutter covariance matrix using median value is proposed to overcome serious performance degradation after NHD in nonhomogeneous clutter. Eigen value characteristic is improved through diagonal loading. Target detection ability and SINR loss of the proposed method though MSMI statistic is also compared with conventional method using average value. The simulation results, confirm the proposed method has better performance than others.