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The effects of Helium-Neon(He-Ne) laser irradiation on high-lvevel of Total Cholesterol and Triglyceride (혈관내(血管內) Helium-Neon Laser 조사(照射)가 혈중(血中) Total Cholesterol 및 Triglyceride 수치변화(數値變化)에 미치는 영향(影響))

  • Paik, Eun-Tan;Min, Jae-Young;Koog, Yun-Hyung;Oh, Sang-Deog;Ra, Su-Yoen;Lim, Seung-Man
    • The Journal of Internal Korean Medicine
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    • v.21 no.5
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    • pp.799-803
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    • 2000
  • Objective : This study was designed to assess effects of He-Ne laser irradiation on high-level of Total Cholesterol and Triglyceride. Methods : The 76 patients who have been checked Total Cholesterol and Triglyceride high were divided into a study group of patient who were irradiated and into a control group of patients who did not receive irradiation.. Then, patients rechecked Total Cholesterol and Triglyceride after 1 month later. Results : In patients of study group, The level of Total Cholesterol and Triglyceride was decreased. But In comparison with control group, there was no significant effect of decrement of Total Cholesterol and Triglyceride. Conclusions : These results suggest that He-Ne laser irradiation may have no significant decrement effects on high-level of Total Cholesterol and Triglyceride.

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Effects of CHitosan of Different Molecular Weights n Lipid Metaboism in Rats (분자량이 다른 키토산이 흰쥐의 지방대사에 미치는 영향)

  • 이종미
    • Journal of Nutrition and Health
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    • v.31 no.2
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    • pp.143-152
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    • 1998
  • This study was conducted to investigate the effects of chitosan, chitosan oligomer and beef tallow of different levels on lipid metabolism in rats, Seventy male rats of the Sprague-Dawley strain were blocked into 10 groups according to body weight , and were raised for 4 weeks. Dietary fat levels were 20% en and 40% en, and chitosan and chitosan oligomer were given at levels of 05, 3%, and 5%(wt/wt) of diet. The results are summarized as follows, chitosan oligomer supplement decreased serum total lipid, as chitosan 양, and exhibited a tendency to decrease serum total cholesterol. Chitosan oligomer supplement tended to increase the HDL cholesterol ; total cholesterol ration as chitosan did. Liver total lipid and triglyceride concentration were lower in high fat groups than in low fat groups. Liver total lipid concentrations was decreased slightly by chitosan and sigfnificantly by chitosna ligomer. Epididymal fat pad total lipid. total cholesterol and triglyceride concentration were slightly decreased by chitosan and chitosan oligomer supplement, especially in high fat groups. fat absorptivity was decreased by low fat level, chitisan and chitosan oligamer supplement. Fecal excretion of total lipid and triglyceride were increased by high fat level, chitosan and chi샌무 oligomer supplement. However, fecal excretion of total cholesterol was increased by high fat level and chitosan supplement. This indicated that chitosan and chitosan oligomer were effective in interfering with lipid and triglyceride absorption, In conclusion, chitosan oligomer at levels of 3% and 5% has more effective lipid, cholesterol and triglyceride lowering activity than chitosan.

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Characteristics of Pollutant Loading in Namdae-cheon Watershed

  • Choi, Jin-Kyu;Son, Jae-Gwon
    • Magazine of the Korean Society of Agricultural Engineers
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    • v.45 no.7
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    • pp.49-56
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    • 2003
  • Nonpoint source pollutant loading from watershed may cause a problem to the water quality of the reservoir and stream. The characteristics of stream flow and water quality were monitored to investigate the runoff loading of the Namdae-cheon watershed from May in 1999 to October in 2003. Stage-discharge rating curve at the stream gauging site was established, and annual stream runoff of the study watershed was estimated as 499.4∼1,330.8mm during four years. The concentrations of total-nitrogen and total-phosphorus of stream water quality ranged from 0.76 to 6.95mg/L and from 0.0010 to 0.2276 mg/L, respectively, where T-N was generally higher than the water quality standard 1.0 mg/L for agricultural water use. The loads by unit generation of pollutant mass with respect to population, livestock, land use in this watershed were calculated. The runoff pollutant loadings by concentrations of total-N and total-P were estimated during study period, where the annual runoff loading of total-P was much less than the load by pollutant mass unit generation. The relations between stream discharge and water quality were analysed, and there was a high correlation for total-N but low for total-P. These results will be used to develop the monitoring techniques and water quality management system of agricultural watershed.

Effects of Aerosol Hygroscopicity on Fine Particle Mass Concentration and Light Extinction Coefficient at Seoul and Gosan in Korea

  • Choi, Eun-Kyung;Kim, Yong-Pyo
    • Asian Journal of Atmospheric Environment
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    • v.4 no.1
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    • pp.55-61
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    • 2010
  • The sensitivity of aerosol light extinction coefficient to the aerosol chemical composition change is estimated by (1) calculating the aerosol water content and chemical concentrations by a gas/particle equilibrium model and (2) calculating the aerosol light extinction coefficient by a Mie theory based optical model. The major chemical species are total (gas and particle phase) sulfuric acid, total nitric acid, and total ammonia which are based on the measurement data at Seoul and Gosan. At Seoul, since there were enough ammonia to neutralize both total sulfuric acid and total nitric acid, the dry ionic concentration is most sensitive to the variation of the total nitric acid level, while the total mass concentration (ionic concentration plus water content) and thus, the aerosol light extinction coefficient are primarily determined by the total sulfuric acid. At Gosan, since the concentration of ambient sulfuric acid was the highest among the inorganic species, sulfate salts determined aerosol hygroscopicity. Thus, both ionic and total mass concentration, and resultant aerosol light extinction coefficient are primarily determined by the sulfuric acid level.

Performance Evaluation of Total-state UKF for Multipath Error in Tightly-coupled GPS/INS Integration (GPS/INS 강결합에서 다중경로 오차에 대한 Total-state UKF의 성능 분석)

  • Yang, Cheol-Kwan;Shim, Duk-Sun;Kee, Chang-Don
    • Journal of Advanced Navigation Technology
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    • v.15 no.4
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    • pp.536-542
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    • 2011
  • This paper considers the performance of tightly-coupled GPS/INS integration using total-state UKF (Unscented Kalman Filter) for multipath error. In the city canyon there exists large multipath error and it may happen that GPS satellites are seen only three or less. For these situations simulations show that the performance of total-state UKF is better than that of EKF in the presence of multipath error. The total-state UKF shows robust performance for multipath error.

Correlation of Air Pollutants and Thermal Environment Factors in a Confined Pig House in Winter

  • Choi, Hong L.;Kim, Ki Y.;Kim, Hyunook
    • Asian-Australasian Journal of Animal Sciences
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    • v.18 no.4
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    • pp.574-579
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    • 2005
  • Optimal management of indoor air quality in a confined pig house, especially in winter, is indispensable for preventing infectious respiratory disease to workers and animals. This study was performed to elucidate the correlation of aerial contaminants and climate factors in a confinement. It was observed that indoor air contaminants ion in the confinement was the highest at 2:00-5:00 pm in a day, followed by 8:00-11:00 pm and 8:00-11:00 am. This was attributed to the increase of pig activities in the afternoon. The concentration of total dust and total airborne bacteria was found to have a significant correlation with temperature and relative humidity (p<0.05). Correlation of total dust and total airborne bacteria, total dust and ammonia, and total dust and odor were shown statistically significant at 95% confidence level. In conclusion, temperature and total dust concentration correlated significantly with all the parameters except for hydrogen sulfide ($H_2S$). This could be explained by the fact the dryness of pig feces by increase of interior temperature and resuspension of feed deposited on the floor by the pig activity, resulted in high generation of dust which adsorbed and carried the airborne bacteria and odor compounds in a confined pig house. It was proved that the adsorptive capacity of dust with ammonia ($NH_3$) was higher than that with hydrogen sulfide ($H_2S$).

Disinfection of Total Coliforms in Sewage Treatment Effluent using Electron Beam (전자선을 이용한 하수처리장 방류수내 대장균군 살균)

  • Kim, Yuri;Han, Bumsoo;Kim, Jinkyu;Kang, Ho
    • Journal of Korean Society on Water Environment
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    • v.20 no.4
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    • pp.376-381
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    • 2004
  • The use of electron beam irradiation was investigated to disinfect total coliforms in the secondary sewage treatment effluent. Unchlorinated secondary effluent was irradiated at different dose of 0.2~1.0 kGy by 1 MeV, ELV-4 Model electron beam accelerator. It is interesting to note that a 100 % reduction in total coliforms and total colonies were achieved until a dose of approximately 0.8 kGy. Even at low dose of 0.2 kGy, the total coliforms and total colonies were successfully inactivated to the level of satisfying the new effluent discharge guideline. Besides disinfection of total coliforms, approximately a 50% removal in biochemical oxygen demand was pronounced at a dose of 0.2 kGy. More than 20 % removal in suspended solids and turbidity was also observed at a dose of 1.0 kGy. The application of electron beam irradiation appeared to be one of options to reuse sewage treatment effluent as agricultural or industrial water.

Effects of Technology and Innovation Management and Total Factor Productivity on the Economic Growth of China

  • LEE, Jung Wan;XUAN, Ye
    • The Journal of Asian Finance, Economics and Business
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    • v.6 no.2
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    • pp.63-73
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    • 2019
  • The paper aims to investigate relationships between technology and innovation management, total factor productivity and economic growth in China. By comparing the trends in total factor productivity growth of industrialized economies (i.e. OECD), this study intends to showcase the importance of total factor productivity progress in the Chinese economy. The study employs time series data of an annual basis for the period from 1977 to 2016 retrieved from the World Development Indicator. The study employs unit root test, cointegration test, fully modified least squares estimation method, canonical cointegrating regression and dynamic least squares estimation method to test the hypotheses. The results of the cointegrating regression analysis show that manufacturing growth leads to an increase of total factor productivity in the short-run in China. The findings of the study suggest that manufacturing (i.e. technology and product innovation) is positively related to the increase of total factor productivity in the short-run and total output growth in the long-run. The findings suggest that promoting technology and innovation management and supporting R&D subsidies may reduce the marginal cost of conducting R&D and increase the rate of technology and innovation management and R&D activity and therefore, the total factor productivity growth rate.

Assessing the Green Total Factor Productivity of Water Use in Mainland China

  • Ning, Meng;Wu, Zheru;Zhou, Zhitian;Yang, Duogui
    • International Journal of Computer Science & Network Security
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    • v.21 no.1
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    • pp.201-206
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    • 2021
  • The significance of high-quality development and green total factor productivity has attracted widespread attention and research, while few studies on green total factor productivity that considers the use of water resources have been conducted in the context of water shortages and water stress. In this study, the green total factor productivity of water use from 2005 to 2015 in mainland China is evaluated based on the global Malmquist-Luenberger productivity index. Results show that: (1) China's green total factor productivity of water use has been improving since 2005 with an annual global Malmquist-Luenberger productivity index of 1.0104. (2) At the regional level, the eastern zone in mainland China owns the highest green total factor productivity of water use, while that in the intermediate zone ranks last. (3) The green total factor productivity of water use in the southern region (1.0113) significantly higher than that in the northern region (1.0095), and also higher than the national average level in the same period. BPC index has been the most important incluencing factor of green total factor productivity of water use at both national level and regional level since 2011.

Changes in Total Work, Total Work Ratio, Heart Rate, and Blood Lactate during 75% 1-RM Bench Press Exercise

  • Kim, Ki Hong;Kim, Byung Kwan
    • Medical Lasers
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    • v.10 no.3
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    • pp.153-160
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    • 2021
  • Background and Objectives This study was conducted to investigate the change of total work and total work ratio for each set, peak heart rate during exercise, and blood lactate for each set during the 5-set bench press exercise at 75% one repetition maximum test (1-RM). Materials and Methods Seven men in their 20s with more than 6 months of experience doing resistance exercises were selected as subjects, and their 1-RM bench press was measured two weeks before the experiment and 75% 1-RM was measured one week before the experiment. In this study, total work was measured for each set, and heart rate was measured during rest and set-by-set exercise. Blood lactate was measured during rest time after each set. The raw data were analyzed by repeated one-way ANOVA. Results Total work and total work ratio decreased from 1 set to 4 sets (p < .05), p < .001), heart rate increased from stable at the start of exercise (p < .001) and decreased between 3 sets and 4 sets (p < .05). Blood lactate increased continuously up to 2 sets (p < .001, p < .01). Conclusion In conclusion, total work and heart rate decreased with muscle fatigue during exercise, and blood lactate continuously increased. The results of this study are expected to be useful references for constructing resistance exercise programs in the future.