• Title/Summary/Keyword: Physiological Parameter

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The Management and Evaluation of Speech in Cleft Palate Patients (구개열환자의 언어관리 및 평가)

  • Shin Hyo-Keun;Kim Hyun-Gi
    • Proceedings of the KSPS conference
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    • 1996.02a
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    • pp.23-40
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    • 1996
  • The communicative disorders in cleft palate patients have relationship with the acoustic and He physiological phenomena. Particularily hypernasality is a parameter of cleft palate speech that has been studied by many clinicians and speech pathologists. The degree of hypernasality has been assessed by the listener,s judgement, but perceptual assessements have poor scientific reliability, so objective instruments have been needed to test hypernasality with diagnostics accuracy. This study was analyzed the nasalance score using a Nasometer for cleft palate patients. The simple vowels /a/, /i/, /e/ and the approximants /j/, /w/ were tested for the degree of hypernasality after operation. The phrases containing long and short duration times were used in this study to asses hypeernasality. Fiberopic views shows the open velopharyngeal port that resulted in hypernasality of cleft palate patients. The authors assert the important of the management of cleft palate patients.

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Studies on the Degree of Genetic Divergence for Different Quantitative Traits Between Paremntal Lines of Silkworm, Bombyx mori L., Hybrids

  • Petkov, Naoum;Grekov, Dimitar;Ramnali, Paraskevi
    • International Journal of Industrial Entomology and Biomaterials
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    • v.2 no.1
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    • pp.79-81
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    • 2001
  • A study was conducted to establish the degree of genetic divergence between different hybrid forms and rearing conditions through estimation of the minimum number of genes (allelic pairs) differentiating parents in terms of specific quantitative traits. It was established that the minimum gene numbers differentiating parental lines in the inheritance of cocoon was 1, of cocoon shell weight- between 1 and 2, and of silk filament length- between 2 and 3. The variability in the specific genetic parameter could be explained by the reliability of the statistical-and-genetic method used and the expression of genes affecting the formation of each of the characters tested. Gene expression, in its turns is conditioned both by the gene interaction within the genotypes and the different genotype response to environmental change. To go deep in the problem, experiments should be conducted under strictly controlled conditions, reducing the mathematical-and-genetic analysis to a physiological levels and hence to analyse the genetic nature of the specific quantitative character formation and its genetic control.

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Realtime Measurement of Impedance Locus using Impedance Spectroscopy: How Many and How Low Frequencies Are Required \ulcorner

  • T., Fukumoto;G. M., Eom;S., Ohba;N., Hoshimiya
    • Proceedings of the Korean Society of Precision Engineering Conference
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    • 2004.10a
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    • pp.1194-1197
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    • 2004
  • High temporal-resolution and accurate measurement of skin impedance locus provides useful data for the identification of the physiological/psychological changes and also the identification of acupuncture point. An impedance spectroscopy method using digitally constructed current waveform consisting of many frequency components (multiples of 1Hz) was reported3. The time resolution of the method depends on the lowest frequency used in the waveform construction, and therefore, the measurement would be faster if the lowest frequency is the higher. However, it was not clear that how many and how low frequencies must be used for the estimation of the skin impedance parameters from which the impedance locus can be drawn. This study shows the relationship between the estimation error of the impedance parameters and the frequency coverage of the spectroscopy. The results of this study are expected to serve as the reference of the frequency selection in the impedance spectroscopy.

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Numerical Taxonomic Studies of Phenol-degrading Bacteria Isolated from Sail (토양에서 분리한 Phenol 분해세균의 수치분류)

  • Lee, Geon;Lee, Sang-Joon;Lee, Jong-Kun
    • Microbiology and Biotechnology Letters
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    • v.19 no.6
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    • pp.624-630
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    • 1991
  • Sixty five phenol degrading bacteria were isolated from soil and identified. Sirnility values calculated on the basis of total 46 morphological, biochemical and physiological characteristics of the isolated strains. 65 isolates were divided into 6 clusters at the 70% simility lavei, The dominant organisms were belonged to Azotobacter, Pseudomonas and Flavobactwium.

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Variability in Specific Leaf Weight in Mulberry Germplasm and Its Inheritance Pattern

  • Sarkar, A.;Mogili, T.;Chaturvedi, H.K.
    • International Journal of Industrial Entomology and Biomaterials
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    • v.7 no.1
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    • pp.69-73
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    • 2003
  • Specific leaf weight (SLW), defined as the mass of tissue per unit leaf area has been found to be an important physiological parameter as it indicates the relative thickness of leaves. Greater SLW provides more photosynthetic potential per unit area of leaf and hence it is frequently been considered as correlated with photosynthesis in several plant species. Collections of 165 mulberry (Morus sp.) germplasm accessions, both Indian and exotic in origin were evaluated for their variability with respect to SLW. The mean specific leaf weight ranged from 35.3 to $72.3 g/m^{-2}$. The distribution of SLW was found to be normal. High heritability (97.08%) and a small difference between genotypic and phenotypic variance demonstrates the genetic control over SLW. Significant heterotic effect with respect to SLW was observed in crosses when parents with high and low SLW were chosen.

The basic investigation for the objective study on the pulsation (맥진의 현대적인 객관화 연구를 위한 기반조사 - I. 기계적 측정법에 대한 비교연구-)

  • Kim Gyeong Cheol;Shin Soon Shik;Kang Hee Jung;Cha Chul Yong
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.17 no.5
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    • pp.1147-1150
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    • 2003
  • Modern Objectification of Pulse Diagnosis, One of the Four Diagnosis Method of Oriental Medicine, is necessarily project to improving Oriental medical clinic status and quality by standardization of diagnosis database. At that, accurate measurement equipment or devices(sensor, system and instruments, etc,) to exactly detect MacSang(脈診 : the parameter and subject of pulse diagnosis) have not developed yet. Existing Pulse diagnosis devices are not satisfy clinical needs and medical equipments quality. We study for pulse diagnosis system, that CD is satisfying oriental medical clinic needs, is ensuring accuracy and reappearance to support in clinical diagnosis and treatment, is guaranteeing the quality of medical equipments. theoretical base and convenience.

A Study on the Catecholamine under the Room Temperature and $5^{\circ}C$ Refrigerator Environment in Rat (실온과 $5^{\circ}C$ 냉장고 환경에서 흰쥐 Catecholamine 분비에 관한 연구)

  • Hong, Seyng-Eui;Yoon, Tai-Young;Kim, Hyung-Suk
    • Journal of Preventive Medicine and Public Health
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    • v.20 no.2 s.22
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    • pp.215-220
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    • 1987
  • Under the extreme change of the environment, animals react physiologically to adapt to the stress and secrete catecholamines. Cold exposure is a kind of the environmental stress. Author tried to determine the amount of catecholamines in rat urine as a parameter of physiological response to cold stress. Urinary catecholamine was measured by using HPLC with fluorescence detector, cation exchange column prepacked with Bio·Rex 70 and ammonium pentaborate as catecholamine eluent. The amount of dopaminc in normal state rat urine was 42.0 ng, but under the low temperature of $5^{\circ}C$, the dopamine amount was increased to 221.25 ng/5 ml. Above findings are suggesting that catecholamine secretion, especially dopamine, increases in the stressful condition such as cold exposure.

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Screening of Voice Disorder using Source Parameter Model and Artificial Neural Network (음원 파라미터 모델과 인공신경망을 이용한 음성장애 검출)

  • Chytil, Pavel;Jo, Cheol-Woo;Pavel, Misha
    • Speech Sciences
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    • v.15 no.2
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    • pp.89-97
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    • 2008
  • There is a number of clinical conditions that affect directly or indirectly the physical properties of the vocal folds and thereby the pressure waveforms of elicited sounds. If the relationships between the clinical conditions and the voice quality are sufficiently reliable, it should be possible to detect these diseases or disorders. The focus of this paper is to determine the set of features and their values that would characterize the speaker's state of vocal folds. To the extent that these features can capture the anatomical, physiological, and neurological aspects of the speaker they can be potentially used to mediate an unobtrusive approach to diagnosis. We will show a new approach to this problem supported with results obtained from two disordered voice corpora.

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A critical review on blood flow in large arteries; relevance to blood rheology, viscosity models, and physiologic conditions

  • Yilmaz, Fuat;Gundogdu, Mehmet Yasar
    • Korea-Australia Rheology Journal
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    • v.20 no.4
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    • pp.197-211
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    • 2008
  • The purpose of this study is mainly directed towards present of viewpoints on critical and commentary analysis on blood rheology, blood viscosity models, and physiological flow conditions. Understanding these basics is fundamental to meet the need for a sufficient and reliable CFD model of blood. Most of the used viscosity models on this manner have determined from parameter fitting on experimental viscosity data. Availability of experimental data from literature to define viscosity models of CFD analysis should be accurately chosen and treated in order to avoid any errors. Several basic gaps that limit the CFD model results are identified and given opportunities for future research.

Effect of body acceleration on pulsatile flow of Casson fluid through a mild stenosed artery

  • Nagarani, P.;Sarojamma, G.
    • Korea-Australia Rheology Journal
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    • v.20 no.4
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    • pp.189-196
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    • 2008
  • The pulsatile flow of blood through a stenosed artery under the influence of external periodic body acceleration is studied. The effect of non-Newtonian nature of blood in small blood vessels has been taken into account by modeling blood as a Casson fluid. The non-linear coupled equations governing the flow are solved using perturbation analysis assuming that the Womersley frequency parameter is small which is valid for physiological situations in small blood vessels. The effect of pulsatility, stenosis, body acceleration, yield stress of the fluid and pressure gradient on the yield plane locations, velocity distribution, flow rate, shear stress and frictional resistance are investigated. It is noticed that the effect of yield stress and stenosis is to reduce flow rate and increase flow resistance. The impact of body acceleration is to enhance the flow rate and reduces resistance to flow.