• 제목/요약/키워드: SlowDown

검색결과 323건 처리시간 0.027초

NOVEL LIGHTING SYSTEMS STIMULATING GONADAL DEVELOPMENT AND EXPEDITING SEXUAL MATURITY OF MALE AND FEMALE CHICKENS

  • Umeda, I.;Hayakawa, H.;Kamiya, S.;Tanabe, Y.
    • Asian-Australasian Journal of Animal Sciences
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    • 제6권1호
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    • pp.127-132
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    • 1993
  • Ten-week-old White Leghorn immature males and females were exposed to four lighting regimens: a constant light (12L : 12D); repeated up and slow down (13 min. up and 1 min. down per day for 13 consecutive days, and repeated on two-week cycle) lighting; repeated slow up and down (1 min. up per day for 13 consecutive days and 13 min. down, and repeated on two-week cycle) lighting; and step-up (14 min. up every second week) lighting. At 15 weeks of age, significantly larger testis and comb weights and significantly higher concentrations of plasma LH and testosterone were observed in the cockerels under the repeated slow up and down lighting regimen than those under the other lighting regimens. At 20 weeks of age, significantly larger oviduct weights and significantly higher concentrations of plasma estradiol were observed in the pullets under the repeated up and slow down, and the step-up lighting regimens than those under the other lighting regimens.

향부자팔물탕으로 호전된 알코올성 다발신경병증 치험 1례 (A Case Study of Alcoholic Polyneuropathy Improved with Hyangbujapalmul-tang)

  • 최송;박혜선
    • 사상체질의학회지
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    • 제35권4호
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    • pp.55-64
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    • 2023
  • Objectives This study was aimed to report improvement of Soeumin patient diagnosed with Alcoholic Polyneuropathy using Hyangbujapalmul-tang. Method The 41-year-old man had severe foot pain, sensory slow down and ataxic gait. The patient was diagnosed Soeumin and medicated with Hyangbujapalmul-tang three times a day. Clinical improvement was evaluated with blood test, ataxic gait evaluation, deep tendon reflex and visual analogue scale (VAS). Results The symptoms of foot pain, sensory slow down and ataxic gait were dramatically improved after treatment. Conclusions Constitutional treatment for foot pain, sensory slow down and ataxic gait diagnosed with Alcoholic Polyneuropathy are potentially effective.

변형률제어 비대칭파형 하의 고온피로수명 및 파면 (High Temperature Fatigue Life and Fractography under Asymmetric Waveform in Strain Control)

  • 허정원;박원조;유재환
    • 한국안전학회지
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    • 제18권1호
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    • pp.38-43
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    • 2003
  • In this paper, the low cycle fatigue(LCF) life tests were carried out under waveforms of asymmetric triangle($4{\times}10^{-3}$ and $4{\times}10^{-10}$ strain rate) and hold-time(1min and 10min) in strain control. In triangular waveform, the fatigue lives of fast-slow waveforms were decreased to about 63-73% and them of slow-fast waveforms were down to about 23-24% compared to them of fast-fast waveforms. The shapes of fracture surfaces were transgranular in fast-fast and fast-slow waveforms and intergranular in slow-fast ones. The fatigue lives of slow-fast waveforms were remarkedly shorter than them of hold-time waveforms even though cycle times of hold time waveforms were longer than them of slow-fast ones. The damage mechanisms of frature surfaces were mixed frature with both transgranular and intergranular, but intergranular fratures were r-type cavity in hold-time waveforms and w-type cavity in slow-fast ones.

MICROCIRCULATORY ABERRATIONS IN THE ISOLATED PERFUSED RAT LIVER INDUCED BY SODIUM CYANIDE, ANOXIA OR ACETAMINOPHEN

  • Jung, Kihwa
    • Toxicological Research
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    • 제5권1호
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    • pp.27-35
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    • 1989
  • When acetaminophen (25mM) was introduced into the perfused rat liver, the hepatic O2 uptake was rapidly inhibited first and then later slow-down. The rapid inhibition was found to be due to mitochondrial blockade, whereas the so-called slow inhibition" was associated with microcirulatory aberrations as evidenced by inhomogneous staining of the liver tissue by trypan blue infusion (0.1%). NaCN (0.5mM) also caused rapid and slow respiratory inhibitions, giving heterogeneous trypan blue staining.ning.

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게이트 레벨 천이고장을 이용한 BiCMOS 회로의 Stuck-Open 고장 검출 (Detection of Stuck-Open Faults in BiCMOS Circuits using Gate Level Transition Faults)

  • 신재흥;임인칠
    • 전자공학회논문지A
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    • 제32A권12호
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    • pp.198-208
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    • 1995
  • BiCMOS circuit consist of CMOS part which constructs logic function, and bipolar part which drives output load. Test to detect stuck-open faults in BiCMOS circuit is important, since these faults do sequential behavior and are represented as transition faults. In this paper, proposes a method for efficiently detecting transistor stuck-open faults in BiCMOS circuit by transforming them into slow-to=rise transition and slow-to-fall transition. In proposed method, BiCMOS circuit is transformed into equivalent gate-level circuit by dividing it into pull-up part which make output 1, and pull-down part which make output 0. Stuck-open faults in transistor are modelled as transition fault in input line of gate level circuit which is transformed from given circuit. Faults are detceted by using pull-up part gate level circuit when expected value is '01', or using pull-down part gate level circuit when expected value is '10'. By this method, transistor stuck-open faults in BiCMOS circuit are easily detected using conventional gate level test generation algorithm for transition fault.

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Decrease of Photochemical Efficiency Induced by Methyl Viologen in Rice(Oryza sativa L.) Leaves is Partly due to the Down-Regulation of PSII

  • Kim, Jin-Hong;Lee, Choon-Hwan
    • Journal of Photoscience
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    • 제9권3호
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    • pp.65-70
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    • 2002
  • In the rice leaves treated with methyl viologen (MV), the photochemical efficiency of PSII (or $F_{v/}$F $m_{m}$) was significantly decreased, and significant portion of the photoinactivation process was reversible during the dark-recovery. The dark-reactivation process was relatively slow, reaching its plateau after 2-2.5 h of dark incubation. The damaged portion of functional PSII was 13%, based on the value of I/ $F_{o}$- I/ $F_{m}$ after this dark-recovery period. The reversible photoinactivation process of PSII function in the MV-treated leaves consisted of a xanthophyll cycle-dependent development of NPQ and a xanthophyll cycle-independent process. The latter process was reversible in the presence of nigericin. As well as the increase in the values of Chl fluorescence parameters, the epoxidation process during the dark-recovery after the MV-induced photooxidation was very slow. These results suggest that the photooxidative effect of MV is partly protected by the down-regulation of PSII before inducing physical damages in core proteins of PSII.I.I.I.I.

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말속도가 인공와우 청각장애인의 문장지각에 미치는 영향 (Effects of Speech Rate on the Sentence Perception of Adults with Cochlear Implantation)

  • 신수진;신지철;윤미선;김덕용
    • 음성과학
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    • 제13권2호
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    • pp.47-58
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    • 2006
  • People tend to control their speech rate to help those with listening problems such as hearing impaired people. The aim of this study was to investigate effects of speech rate on the sentence perception by 10 adults with cochlear implantation. The sample speech included 42 sentences at normal, slow, and very slow speed focusing on the overall duration, vowel or pause duration. The subjects listened to the speech and wrote down what they heard. Each correct syllable of the content words in the sentence was counted to obtain the score. Partial points were given to the incomplete syllables. Results of this study were as follows: 1. The changes of speech rate had some influence on the sentence perception score by the cochlear implanted people. 2. In slow pause condition, the controlled speech rate had a positive effect on the perception score.

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Solution to Slow Down Myopia Progression

  • Jung, Ji-Won
    • 한국임상보건과학회지
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    • 제8권1호
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    • pp.1386-1397
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    • 2020
  • Purpose: To examine the effectiveness of various treatments; bifocal spectacles, orthokeratology, atropine, and time spent in outdoors; in slowing down the myopia progression for Asian adolescents (6-18age). Methods: The research focused on examining the most effective treatment in controlling myopia based on the literature sources that have been published. Through meta-analysis of various research papers that already has been done in this field, a lot of data was collected. For each treatment, the difference in axial length and spherical equivalent over time was measured and recorded. To quantitatively record the difference, both axial length and spherical equivalent was determined by value of control group value of treatment group. The paper compared the effectiveness of each treatment based on the data that was measured. Results: Adolescents who chose to spend time outdoors in order to slow down myopia progression had axial length difference of 0.03 mm and spherical equivalent difference of 0.17 D. Adolescents that used atropine had axial length difference of 0.36 mm and spherical equivalent difference of 0.92 D. Bifocal spectacle resulted in axial length difference of 0.21 mm and spherical equivalent difference of 0.59 D, and for orthokeratology 0.23 mm and 0.04 D, respectively. Axial length wise, myopia was most controlled by the atropine since there was a greatest difference between the group that got the treatment and the group that did not have the treatment. According to the spherical equivalent difference data, myopia was most controlled by atropine. Conclusion: Atropine showed the most effective result in controlling myopia among the four treatment. Again, compared to other three treatment, using atropine appeared to have greatest ability in slowing down myopia progression since adolescents who were treated with atropine had greatest difference from adolescents in the control group that had the same condition but didn't get the treatment. However, every treatment was only used for 2 or 3 years which is quite short time period to measure the long term effect of the four treatments. Also, since atropine is a pharmaceutical method to control myopia, it may harm adolescents' eyes compared to optical or environmental treatment.

Demethylchlortetracycline이 백서 하악골결합부의 발육에 미치는 영향에 관한 실험적 연구 (AN EXPERIMENTAL STUDY ON THE EFFECT OF THE DEMETHYLCHLORTETRACYCLINE ON MANDIBULAR SYMPHYSIS IN RATS)

  • 장현일
    • 대한치과교정학회지
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    • 제10권1호
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    • pp.37-43
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    • 1980
  • This study was undertaken to assess the effects of demethylchlortetracycline on bone growth of mandibular symphyseal region in rats. Demethylchlortetracycline at 30mg/kg body weight, respectively, were daily administered by mouth to the sewen female rats from 10th day of pregnancy to 13th day. Thirty six new-born rats from these experimental animals were used for histological examination at 1, 5, 10, 15, 20, 25 and 30 days. All these new-born rats were killed by an overdose of ether. Mandibular bodies were removed and fixed in $10\%$ neutral formalin,. Carney and aceton. Specimens were embedded, sectioned and stained with H-E, Van Gieson, PAS and prepared for alkaline phosphatase. The results were as follows; 1. Until erupting of incisors, hyaline cartilage was located in relatively large symphyseal space, but bone trabeculae of ossifying area at incisal side were arranged irregularly in experimental group. 2. During this period, PAS reaction was moderately positive, but alkaline phosphatase reaction was slightly positive. 3. By erupting or incisors, symphyseal space appeared narrower like control group, but alkaline phosphatase reaction tended to slow down. 4. By erupting of molars, symphyseal space appeared muck narrower, and cartilane plate was reduced and aealed off like control group. Alkaline phosphatase reaction tended to slow down severely.

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고용탄력성 추정과 정책적 시사점: 비안정적 시계열 분석 방법론을 이용한 고찰 (Estimation of the Elasticity of Employment and Policy Implications: The Use of Methods for the Analysis of Non-stationary Series)

  • 허재준;고영우
    • 노동경제논집
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    • 제34권3호
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    • pp.59-80
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    • 2011
  • 본 연구는 비안정적 시계열 자료 분석 방법을 이용하여 장단기 고용탄력성을 추정하고 그 변화를 고찰하였다. 그 결과, 지난 25년간 고용탄력성이 유의하게 감소했다는 증거를 발견할 수 없었다. 이는 외환위기 이후의 취업자 수 증가율 감소가 고용탄력성 감소보다는 성장률 감소에 크게 기인함을 의미한다. 그러므로 일자리 창출력을 높이려는 정책적 노력은 성장잠재력 강화에 경주되어야 한다. 통계적 유의성을 떠나 고용탄력성 감소경향을 사실로 받아들인다고 하더라고 그것은 장기적으로 영향력을 발휘하는 구조적 요인에 기인하는 것이다. 그러므로 주어진 성장률 아래에서 일자리 창출력을 높이기 위한 노력도 장기적인 체질 강화에 역점을 두어야 한다.

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