• Title/Summary/Keyword: Over-weight

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Study on the design of the passenger cars bumper rail to reduce the weight (자동차 범퍼 레일의 경량화 설계에 관한 연구)

  • 김이규;조규종
    • Proceedings of the Korean Society of Precision Engineering Conference
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    • 2000.11a
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    • pp.563-566
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    • 2000
  • Recently vehicle development trend puts emphasis on cost reduction and performance improvement through weight reduction, and safety security to protect passenger and chassis against external impact. Primary factors effected on vehicle safety are chassis structure, chassis system, and safety equipment like bumper. Research in part of weight reduction is proceeding actively about prohibition of over-design and material through optimal design method. Bumper in these factors is demanded two of all factors, safety security and weight reduction. It is the part that prohibits or reduces a physical impact in low speed crash. Bumper is composed of a few parts but this study exhibits the shape of bumper rail has a role on energy absorption of safety security and weight reduction from structure analysis of bumper rail's variable shape surface.

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Stability of Water Tower with a Relatively Small Footing (상대적으로 작은 기초를 갖는 급수탑의 안정성)

  • Oh Sang-Jin;Jin Tae-Ki
    • Proceedings of the Computational Structural Engineering Institute Conference
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    • 2006.04a
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    • pp.963-968
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    • 2006
  • The main purpose of this paper is to investigate the stability of water tower with a relatively small footing. The water tower is modeled that the column carrying a container is supported by a rotational spring at the base and is of constant cross-section, with a weight per unit length of column axis. The column model is based on the Bernoulli-Euler beam theory. The Runge-Kutta method and Determinant Search method are used to perform the integration of the governing differential equation and to determine the critical values(critical own weight. and critical buckling load), respectively. The critical buckling loads are calculated over a range of system parameters: the rotational stiffness parameter, the dimensionless radius of container and the own weight parameter of the column. The relation between the rotational stiffness parameter and the critical own weight parameter of the column is analyzed.

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The Effect of Shoe Lift of the Paretic Limb on Weight Bearing in Hemiplegics (Shoe Lift가 편마비 환자의 환측 체중부하에 미치는 영향)

  • Yoon Jung-gyu
    • The Journal of Korean Physical Therapy
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    • v.16 no.2
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    • pp.116-127
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    • 2004
  • The purpose of this study was to determine the effect of shoe lift of the affected limb in subjects with hemiplegia. The subjects of this study were 18 post-stroke hemiplegics. For the study, insole of the paretic side was lifted 10 mm higher, and static weight bearing was measured before and after the lift application. For the measurement of carry-over effect of lift, we got data of those three items prior to and 3 weeks after lift application and 3 days after removal of the lift. Static weight bearing was significantly increased both just after and continuous application of lift for 3 weeks than before. According to this study, lift applied to the shoe of the paretic limb was effective in inducing static weight bearing in the paretic limb. This study suggests that symmetry, induced by shoe lift applied to the paretic limb, could help correct abnormal posture that would be caused in standing and prevent development of abnormal muscle tone in subjects with hemiplegia caused by unilateral stroke.

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Intestinal Permeabilities of Polyethylene Glycols (330-1122D) in the In Situ Perfused Rat (장내 관류된 동물에서 Polyethylene Glycols에 의한 장내 투과율 (Intestinal Permeability)측정에 관한 연구)

  • 김미혜
    • Journal of Nutrition and Health
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    • v.29 no.2
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    • pp.153-158
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    • 1996
  • Polyethylene glycols(PEGs)are hydrophilic molecules that have been used to characterize intestinal permeability via the paracellular pathway. Using a mixture of PEGs(400, 600 and 1000), containing oligomers in the molecular weight range 330 to 1122 D, the molecular weight permeability dependence in the jejunum of the rat small intestine was examined, employing an in situ recirculation perfusion technique. Individual oligomers were determined by HPLC with refractive detection. In the range studied, a distinct molecular weight cut-off was not apparent. Corrected for the length of jejunum used in the study, over the molecular weight range 330 to 1122D, the apparent permeability(Papp) of PEG ranged from 4.92$\pm$0.02$\times$10-5cm/sec(mean$\pm$SEM, n=5) to 0.28$\times$10-5cm/sec. Also, it was observed that the apparent permeability was inversely proportional to approximately MW2. The results in this study suggest that molecular weight is an important factor in determining the intestinal permeability.

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Improvement of Type II Diabetes by Very-low-calorie Diet - A Case Report (초저열량 식이와 한방비만치료를 통한 당뇨 개선 1례 보고)

  • Kim, Kil-Soo;Kim, Ho-Jun
    • Journal of Korean Medicine for Obesity Research
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    • v.2 no.1
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    • pp.83-87
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    • 2002
  • Increasing body weight is closely associated with increasing risk for glucose intolerance and type II diabetes. Especially, abdominal distribution of weight and visceral obesity also seriously increase the morbidity and mortality. Dietary program including very-low-calorie diet(VLCD) is regarded as most effective in the control of obesity and diabetes, which mainly due to calorie restriction rather than weight loss itself. We are reporting a case of diabetes with obesity whose fast glucose was over 220 mg/dl and BMI was $25.1kg/m^2$(fat rate 32.8%, WHR 0.9). She was prescribed VLCD and oriental medical diet program. After 10 days of hospitalization, her glucose level dropped dramatically with 3kg loss of body weight She has further lost her weight until about 53kg, but the glucose level ceased to go down probably due to loosened calorie restriction.

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Relations Among Weight Control Behaviors, Health-related Lifestyles, and Diet Behaviors in Middle Aged Koreans (중년기 남녀의 체중 감량 시도 여부에 따른 건강 관련 생활습관과 식행동의 차이)

  • Choi, Yoon-Jung;Kim, Eun-Mi
    • Korean Journal of Community Nutrition
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    • v.13 no.2
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    • pp.176-188
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    • 2008
  • In this study, we compared demographic anthropometric characteristic, health-related lifestyle and diet behavior among weight control behaviors of 1187 (555 male, 632 female) aged $40{\sim}69yrs$ in Ganghwa country. All the data were analyzed by chi-square test, trend test, student t-test using SPSS 12.0 version at p < 0.05. 'Attempting weight control (loss)' was more in women than that was found in men (36.6% vs 20.7%), and women attempting weight loss most were 40-50 yrs. The reasons of weight loss were 'health problem' and 'health promotion'. Physical activity and diet restriction were commonly employed as weight control methods. Both genders attempting weight loss had a higher education level, BMI, percentage of body fat, waist circumference and physical activity than those not attempting weight control (p < 0.05). In dietary habits like 'meal regularity', 'slow eating' and 'over eating', women attempting weight loss were superior than those who not attempting weight control group (p < 0.05). Eating pattern changes like 'decrease of fats and fatty foods intake', 'vegetable oil usage', 'increase of fruit and vegetables intake', 'decrease of sugar and salt intake' showed significant differences (p < 0.001) between the attempted weight control groups and nonattempted weight control groups. Salt taste was a preference in male non-attempted weight control group, while sour, hot and spicy taste were preference in female attempted weight control group (p < 0.05). Preference for processed foods, fried foods and snack were significant differences (p < 0.05) in women attempted weight control group. Those attempting weight loss tried to improve their eating patterns. However, those attempting weight loss were poorer than the others in health-related lifestyle and eating habit. Therefore, it is necessary to make an effort that improve healthrelated lifestyle and diet behavior in middle aged group.

Effect of Quantitative Nutrition on Adult Characters and Reproductive Fitness in Tropical Tasar Silkworm Antheraea mylitta

  • Rath S. S.
    • International Journal of Industrial Entomology and Biomaterials
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    • v.10 no.1
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    • pp.19-24
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    • 2005
  • Nutrition is very essential for growth, development and reproduction. The quantitative impetus of nutritional factor on adult characters and reproductive fitness was studied in Antheraea mylitta by providing fresh leaves of Terminalia tomentosa for 1 to 4 times a day to $5^{th}$ instar larvae. All the characters have improved on giving fresh diet more times over the single diet. The adult weight has strong effect on the reproductive potential i.e., female pupa and moth weight, survivability, pupation rate, emergence percentage, fecundity, fertility, egg weight and hatched out larval weight. The improvement recorded to the tune of $70\%,\;77.1\%,\;115.4\%,\;36.7\%,\;45.9\%\;and\;218.3\%$ in larval weight gain, survivability, pupation rate, female pupa weight, moth weight and fecundity respectively when fresh diets were provided 4 times a day against single diet. The adult emergence percentage has increased from $66.4\%\;to\;96.2\%$ and fertility rose from $52.2\%\;to\;93.6\%$. The weight of eggs and the larvae hatched out of it also found to be significantly higher in 4 diets a day condition. The study revealed that optimization of fresh diet frequency should be maintained to obtain higher egg production and fertility in order to get vigorous larvae to continue the generation.

Effect of Weight of Crown Part on Growth and Bolting Response in Ostericum koreanum Kitagawa. (노두무게에 따른 북강활의 생육 및 추대반응)

  • Kim, Soo-Yong;Lee, Sang-Seok;Choi, Hyo-Sim;Sohn, Hyoung-Rac;Oh, Sei-Myoung
    • Korean Journal of Medicinal Crop Science
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    • v.17 no.3
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    • pp.161-164
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    • 2009
  • This study was conducted to investigate the weight of crown part effect on growth and bolting response of Ostericum koreanum Kitagawa. Bolting rate with crown part weight was represented 0%, 0%, 4.1%, 12.9%, 25.1%, 34.9% corresponding to each crown part weight 5 g, 10 g, 20 g, 30 g, 40 g, 50 g. The heavier the crown part weight was the higher the direction rate rose and the flowering time came earlier. The dried root amount was the highest at 30 g and crown part number, the length of root, and crown diameter showed all the highest figures at 30 g. The relation between amount per 10 g and outcrop weight increased on secondary regression formula as weight increased and reached its peak at 29.7 g and then decreased over 29.7 g.

A Study on Weight Estimation Model of Floating Offshore Structures using Enhanced Genetic Programming Method (개선된 유전적 프로그래밍 방법을 이용한 부유식 해양 구조물의 중량 추정 모델 연구)

  • Um, Tae-Sub;Roh, Myung-Il;Shin, Hyunkyoung
    • Journal of the Society of Naval Architects of Korea
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    • v.52 no.1
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    • pp.1-7
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    • 2015
  • The weight estimation of floating offshore structures such as FPSO, TLP, semi-Submersibles, Floating Offshore Wind Turbines etc. in the preliminary design, is one of direct measures of both construction cost and basic performance. Through both literature investigation and internet search, the weight data of floating offshore structures such as FPSO and TLP was collected. In this study, the weight estimation model with the genetic programming was suggested for FPSO. The weight estimation model using genetic programming was established by fixing the independent variables based on this data. In addition, the correlation analysis was performed to make up for the weak points of genetic programming; it is apt to induce over-fitting when the number of data is relatively smaller than that of independent variables. That is, by reducing the number of variables through the analysis of the correlation between the independent variables, the increasing effect in the number of weight data can be expected. The reliability of the developed weight estimation model was within 2% of error rate.

The Effects of Circuit Training on Abdominal Fat in Obesity Coed (운동에 따른 비만 여대생의 복부지방에 미치는 영향)

  • Song, Myung-Soo;No, Hyun-Jeung;Kim, Sang-Soo
    • PNF and Movement
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    • v.8 no.1
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    • pp.21-29
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    • 2010
  • Purpose : The purpose of this research is to examine the effects of circuit weight training and aerobic exercise on the bodily formation and abdominal fat area of obese female college students. Methods : The female college students whose BMI is over $25kg/m^2$ were divided into the circuit weight training group and the aerobic exercise group and circuit weight training and aerobic exercise were conducted on the respective group five times a week. Resultlts : 1. The tendency of statistically significant reduction in weight, body fat percentage, and BMI was shown in both the circuit weight training group and the aerobic exercise group but there were no significant differences between these groups. 2. The tendency of statistically significant reduction in total abdominal fat area, and subcutaneous fat area was shown in both the circuit weight training group and the aerobic exercise group but there were no significant differences between these groups. 3. Visceral fat area was reduced more in the aerobic exercise group than in the circuit weight training group Conclusion : It was confirmed that exercise alone in the state of no dietary treatment being given could cause obese people bodily formation.

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