• Title/Summary/Keyword: minimal weight

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Bactericidal Activity of Sawa-wasabi (Wasabia japonica) Against the Fish Pathogenic Bacteria

  • Shin Il-Shik
    • Fisheries and Aquatic Sciences
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    • v.4 no.4
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    • pp.252-256
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    • 2001
  • In this study, the bactericidal activity of each extract from Sawa-wasabi (Wasabia japonica) root, stem and leaf against the fish pathogenic bacteria were examined. The main component related to bactericidal activity in Sawa-wasabi was well known to AlT. The Sawa-wasabi roots showed the highest AIT amount with 1.18 mg/g. Stems was 0.41 and leaves was 0.38 mg/g. All of them showed bactericidal activity against 2 strains of Vibrio hollisae, V. anguillarum, and 2 strains of Edwardsiella tarda, but weak effect against Staphylococcus capitis. The Sawa­wasabi leaves showed the strongest bactericidal activity with minimal bactericidal concentrations (MBCs) of 156.3mg of dry weight/mL against 2 strains of V. hollisae, V. anguillarum and 2 strains of E. tarda. The roots and stems showed a little weak bactericidal activities with 312-1,250mg of dry weight/mL against them. These results suggest that certain components besides AIT in Sawa-wasabi are affective in killing fish pathogenic bacteria.

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Quality Changes of Minimally Processed Lotus Root (Nelumbo nucifera) with Browning Inhibitors (갈변저해제 처리에 따른 최소가공 연근(Nelumbo nucifera)의 품질 변화)

  • 박선영;황태영;김준한;문광덕
    • Food Science and Preservation
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    • v.8 no.2
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    • pp.164-168
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    • 2001
  • Minimally processed lotus root was stored at 4$^{\circ}C$ followed by dipping in distilled water, 3% ascorbic acid, 1% citric acid, 1% acetic acid, 1% EDTA, 2% lactic acid and 3% malic acid. The weight loss, color, soluble solids, pH, vitamin C and sensory characteristic were measured during storage period. The rate of weight loss decreased in the minimally processed lotus root. ΔL was changed slightly after 1 week storage and 1% acetic acid and 1% EDTA especially retarded a little retardation in browning during storage. Soluble solids was changed slightly, but decreased after 2 week storage in lotus root treated with 2% lactic acid and 3% malic acid. pH increased but vitamin C decreased during storage. The organoleptic quality of lotus root treated 1% EDTA showed the best by sensory evaluation.

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Enteral nutrition for optimal growth in preterm infants

  • Kim, Myo-Jing
    • Clinical and Experimental Pediatrics
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    • v.59 no.12
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    • pp.466-470
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    • 2016
  • Early, aggressive nutrition is an important contributing factor of long-term neurodevelopmental outcomes. To ensure optimal growth in premature infants, adequate protein intake and optimal protein/energy ratio should be emphasized rather than the overall energy intake. Minimal enteral nutrition should be initiated as soon as possible in the first days of life, and feeding advancement should be individualized according to the clinical course of the infant. During hospitalization, enteral nutrition with preterm formula and fortified human milk represent the best feeding practices for facilitating growth. After discharge, the enteral nutrition strategy should be individualized according to the infant's weight at discharge. Infants with suboptimal weight for their postconceptional age at discharge should receive supplementation with human milk fortifiers or nutrient-enriched feeding, and the enteral nutrition strategy should be reviewed and modified continuously to achieve the target growth parameters.

NLP Formulation for the Topological Structural Optimization (구조체의 위상학적 최적화를 위한 비선형 프로그래밍)

  • Bark, Jaihyeong;Omar N. Ghattas;Lee, Li-Hyung
    • Proceedings of the Computational Structural Engineering Institute Conference
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    • 1996.04a
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    • pp.182-189
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    • 1996
  • The focus of this study is on the problem of the design of structure of undetermined topology. This problem has been regarded as being the most challenging of structural optimization problems, because of the difficulty of allowing topology to change. Conventional approaches break down when element sizes approach to zero, due to stiffness matrix singularity. In this study, a novel nonlinear Programming formulation of the topology Problem is developed and examined. Its main feature is the ability to account for topology variation through zero element sizes. Stiffness matrix singularity is avoided by embedding the equilibrium equations as equality constraints in the optimization problem. Although the formulation is general, two dimensional plane elasticity examples are presented. The design problem is to find minimum weight of a plane structure of fixed geometry but variable topology, subject to constraints on stress and displacement. Variables are thicknesses of finite elements, and are permitted to assume zero sizes. The examples demonstrate that the formulation is effective for finding at least a locally minimal weight.

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Fundamental Study of the Building Exterior wall cleaning Robot using a spinning device (회전반사판을 이용한 건물 외벽청소로봇 개발방향 연구)

  • Park, Su-Yeul;Kim, Kyoon-Tai
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2013.11a
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    • pp.224-225
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    • 2013
  • Most of the building exterior wall cleaning robots use a water jet device for spraying water. However this method is sprayed excessive water usage than water quantity required for cleaning. And setting weight of the water pump cleaning device increase the weight of the building exterior wall cleaning robot. Therefor, this paper suggest that the mechanisms scatter minimal cleaning water using a spinning device of the building exterior wall cleaning robot.

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An Online Forklift Dispatching Algorithm Based on Minimal Cost Assignment Approach (최소 비용할당 기반 온라인 지게차 운영 알고리즘)

  • kwon, BoBae;Son, Jung-Ryoul;Ha, Byung-Hyun
    • Journal of the Korea Society for Simulation
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    • v.27 no.2
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    • pp.71-81
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    • 2018
  • Forklifts in a shipyard lift and transport heavy objects. Tasks occur dynamically and the rate of the task occurrence changes over time. Especially, the rate of the task occurrence is high immediately after morning and afternoon business hours. The weight of objects varies according to task characteristic, and a forklift also has the workable or allowable weight limit. In this study, we propose an online forklift dispatching algorithm based on nearest-neighbor dispatching rule using minimal cost assignment approach in order to attain the efficient operations. The proposed algorithm considers various types of forklift and multiple jobs at the same time to determine the dispatch plan. We generate dummy forklifts and dummy tasks to handle unbalance in the numbers of forklifts and tasks by taking their capacity limits and weights. In addition, a method of systematic forklift selection is also devised considering the condition of the forklift. The performance indicator is the total travel distance and the average task waiting time. We validate our approach against the priority rule-based method of the previous study by discrete-event simulation.

Nocturnal Light Pulses Lower Carbon Dioxide Production Rate without Affecting Feed Intake in Geese

  • Huang, De-Jia;Yang, Shyi-Kuen
    • Asian-Australasian Journal of Animal Sciences
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    • v.29 no.3
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    • pp.390-395
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    • 2016
  • This study was conducted to investigate the effect of nocturnal light pulses (NLPs) on the feed intake and metabolic rate in geese. Fourteen adult Chinese geese were penned individually, and randomly assigned to either the C (control) or NLP group. The C group was exposed to a 12L:12D photoperiod (12 h light and 12 h darkness per day), whereas the NLP group was exposed to a 12L:12D photoperiod inserted by 15-min lighting at 2-h intervals in the scotophase. The weight of the feed was automatically recorded at 1-min intervals for 1 wk. The fasting carbon dioxide production rate ($CO_2$ PR) was recorded at 1-min intervals for 1 d. The results revealed that neither the daily feed intake nor the feed intakes during both the daytime and nighttime were affected by photoperiodic regimen, and the feed intake during the daytime did not differ from that during the nighttime. The photoperiodic treatment did not affect the time distribution of feed intake. However, NLPs lowered (p<0.05) the mean and minimal $CO_2$ PR during both the daytime and nighttime. Both the mean and minimal $CO_2$ PR during the daytime were significantly higher (p<0.05) than those during the nighttime. We concluded that NLPs lowered metabolic rate of the geese, but did not affect the feed intake; both the mean and minimal $CO_2$ PR were higher during the daytime than during the nighttime.

Can Ambient Temperature Change Affect the Efficacy of Acupuncture on the Postmenopausal Hot Flash? (기온 변화는 폐경후 안면홍조의 침 치료 효과에 영향을 미치는가?)

  • Roh, Jin-Ju;Ahn, Hong-Yup;Kim, Dong-Il
    • The Journal of Korean Obstetrics and Gynecology
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    • v.20 no.4
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    • pp.123-131
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    • 2007
  • Purpose: To find the correlation between ambient temperature change and the efficacy of acupuncture on the postmenopausal hot flash. Methods: 52 patients entered a randomized clinical trial which was to verify the efficacy of acupuncture on postmenopausal hot flash. Participants were treated with optimal/minimal acupuncture in the course of 13 weeks. 34 of 52 visited for the temperature-rising period(Group 1), while 18 of 52 for the temperature-falling period(Group 2), 100mm hot flash VAS and average temperature were taken 18 times from each person. Linear mixed effects model was used to find the correlation between temperature and hot flash VAS score(p-value<0.05). Group1/2, optimal/minimal acupuncture, age, age of menarche, height, weight, percent body fat, BMI, waist-hip ratio, past history of hysterectomy and HRT were also examined. Results: Period of treatment had influence on the hot flash VAS. As time went by, hot flash decreased(p<.0000). Participants who underwent minimal acupuncture showed higher hot flash VAS(p=0.0479) and as waist-hip ratio rose, hot flash increased(p<.0000). As the temperature rose, hot flash VAS score became lower(p=0.0143) and it was because 34 of 52 participants were treated for the temperature-rising period. Group 1/2 had no interrelation with hot flash(p=0.5741). Conclusion: Hot flash diminished as participants were treated with acupuncture, independently of whether the ambient temperature rises or falls.

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Prediction of Genes Lacking in an Ammonia Oxidizing Archaeon for Independent Growth (암모니아 산화 고세균의 독립성장에 필요한 결손 유전자 예측)

  • Han, Sang-Soo;Lee, Jin-Young;Rhee, Sung-Keun;Kim, Geun-Joong
    • KSBB Journal
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    • v.26 no.3
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    • pp.237-242
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    • 2011
  • As a number of archaea are ubiquitously found in non-extreme habitats, elucidation of their functional roles becomes currently an emerging issue. However, most of them are unable to grow in pure culture and so it remains to be established. In order to find genes lacking in the genome of an ammonia-oxidizing archaeon (AOA), we here report on the comparative analyses of an AOA genome with those of experimentally or theoretically established minimal genomes for independent growth. We assessed the genes lacking in AOA using logic of clusters of orthologous groups (COG), remote homology, consensus sequence weight matrix, function-based motif or domain, and then further excluded genes encoding hypothetical orarchaea-specific proteins. The results of these combination analyses revealed 19 candidate genes lacking in the genome of an AOA. Thus, our results provide a possibility of inducing independent growth of AOA when supplemented with product (s) of the lacking gene (s), and also give a chance for finding new proteins with novel sequence or structure space even if the predicted lacking-genes will be found using another algorithms or biochemical studies.

disinfectant and Inhibitory Effect of Natural Antimicrobial Agent on Vibrio vulnificus in Fish (천연항균성 물질을 이용한 Vibrio vulnificus 의 살균 및 독소생성 억제효과)

  • 조성환;서일원;최종덕;전상수;라택균;정수근;강동훈
    • Journal of Food Hygiene and Safety
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    • v.7 no.2
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    • pp.99-106
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    • 1992
  • To prevent food-poisoning outbreaks by Vibrio vulnificus the antimicrobial efficacy of grapefruit seed extract (GFSE) was examined. Minimal inhibitory concentration (in vitro) for the microorganism was found to be 50∼100 ppm. Transmission electron micrographs of Vibrio vulnificus showed the biocidal action of this natural antimicrobial agent would be related to specific respiratory effect coupled with the destruction of permeable function of microbial cell membrane. After Anguilla japonica GFSE-injected to the body was incubated in the seawater contaminated by Vibrio vulnifiucs the fish meats were taken up, mixed with control diet and used as a diet in the feeding experiment. In this experiment the effect of GFSE treated with fish muscle on body weight, protein efficiency ratio, serum enzymes and serum blood components of broiler chicks was investigated. It is proved from this study that there is neither Vibriosis nor toxicity associated with GFSE itself an fish meats treated with it when it is injected to the fish body at a level of 250 ppm or less.

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