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An Assessment of Areal Evaportranspiration Using Landsat TM Data (Landsat TM 자료를 이용한 광역 증발산량 추정)

  • Chae, Hyo-Seok;Song, Yeong-Su;Park, Jae-Yeong
    • Journal of Korea Water Resources Association
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    • v.33 no.4
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    • pp.471-482
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    • 2000
  • Surface energy balance components were evaluated by Landsat TM data and GIS with meteorological data. Calibration and validation for the applicability of this methodology were made through the estimating of the large-scale evapotranspiration (ET). In addition, sensitivity and error analysis was conducted to see the effects of the surface energy balance components on ET and the accuracy of each components. Bochong-chon located on the upper part of Guem River basin was selected as the case study area. Spatial distribution map of ET were produced for five dates: Jan. 1, Apr. 3, May. 10, and Nov. 27, 1995. The study results showed tat ET was greatly varied with the aspect and theland use type on the surface. In the case of having northeast and southeast in the aspect, ET was linearly increased depending on growing net radiation. While surface temperature has a high value, NDVI(Normalized Difference Vegetation Index) has a low value in the vegetated area. Therefore, ground heat flux was increased but ET was relatively decreased. The results of sensitivity and error analysis showed that net radiation is most sensitive and effective, ranging from 12.5% to 23.6% of sensitivity. Furthermore, the surface temperature, air temperature, and wind speed have the significant effects on ET estimation using remotely sensed data.

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Nutritional and Biochemical Studies on the Pollen toads -1. Studies on Lipid Compositions of Sunflower Pollen toad and Effects of Its Pollen toad on Liver Cholesterol Metabolism in Mouse- (화분립(花粉粒)의 영양생화학적(營養生化學的) 연구(硏究) -1. 해바라기 화분립(花粉粒)의 지질조성(脂質組成)과 Mouse 간장(肝臟) 콜레스테롤 대사(代謝)에 미치는 영향(影響)-)

  • Chung, Yung-Gun;Yoon, Soo-Hong;Kwon, Jung-Sook;Bae, Man-Jong
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.13 no.2
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    • pp.169-174
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    • 1984
  • For the purpose of investigating whether the administration of sunflower pollen load has any influence upon liver cholesterol metabolism in mouse, lipids were isolated from sunflower pollen load, identified and quantitated by thin-layer and gas liquid chromatographies. We also studied changes in liver cholesterol level in mouse according to the amount and the period of pollen load administration. Lipids of sunflower pollen load were constituted 84.10f of neutral lipid, 10.50% of glycolipid and 5.40% of phospholipid. The main fatty acid contents of neutral lipid, glycolipid and phospholipid were ranged 28.48 to 33.70% of linoleic acid, 12.90 to 47.50% of palmitic acid ana 11.20 to 12.20% of oleic acid, however, phospholipid contained more palmitic acid than the other lipids. The body weight of the Pollen fed mouse significantly increased during experimental Period in comparison with control group. From the fact tat the ratio of liver weight to body weight of pollen fed mouse was smaller than that of control group, it was proved that liver lipid metabolism of pollen fed mouse was more active than that of control group. During early experimental period, liver cholesterol level had been increased according to pollen load administration(P.O), and then the level decreased rapidly to the similar level to that of control group at the end of the period.

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Determinants of Willingness to Undergo Lung Cancer Screening among High-Risk Current and Ex-smokers in Sabah, Malaysia: A Cross-Sectional Pilot Study

  • Larry Ellee Nyanti;Chia Zhen Chua;Han Chuan Loo;Cheng Zhi Khor;Emilia Sheau Yuin Toh;Rasvinder Singh Gill;Eng Tat Chan;Ker Yin Tan;Taufiq Rosli;Muhammad Aklil Abd Rahim;Arfian Ibrahim;Nai Chien Huan;Hema Yamini Devi Ramarmuty;Kunji Kannan Sivaraman Kannan
    • Tuberculosis and Respiratory Diseases
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    • v.86 no.4
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    • pp.284-293
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    • 2023
  • Background: Attitudes towards smoking, lung cancer screening, and perceived risk of lung cancer have not been widely studied in Malaysia. The primary objective of this study was to describe the factors affecting the willingness of high-risk current smokers and ex-smokers to undergo low-dose computed tomography (LDCT) screening for lung cancer. Methods: A prospective, cross-sectional questionnaire study was conducted in current smokers or ex-smokers aged between 55 and 80 years at three hospitals in Kota Kinabalu, Sabah, Malaysia. The questionnaire recorded the following parameters: perceived lung cancer risk; Prostate Lung Colon Ovarian Cancer 2012 risk prediction model excluding race and ethnicity predictor (PLCOm2012norace); demographic characteristics; psychosocial characteristics; and attitudes towards lung cancer and lung cancer screening. Results: A vast majority of the 95 respondents (94.7%) indicated their willingness to undergo screening. Stigma of lung cancer, low levels of knowledge about lung cancer symptoms, concerns about financial constraints, and a preference for traditional medication were still prevalent among the respondents, and they may represent potential barriers to lung cancer screening uptake. A desire to have an early diagnosis (odds ratio [OR], 11.33; 95% confidence interval [CI], 1.53 to 84.05; p=0.02), perceived time constraints (OR, 3.94; 95% CI, 1.32 to 11.73; p=0.01), and proximity of LDCT screening facilities (OR, 14.33; 95% CI, 1.84 to 111.4; p=0.01) had significantly higher odds of willingness to undergo screening. Conclusion: Although high-risk current smokers and ex-smokers are likely to undergo screening for lung cancer, several psychosocial barriers persist. The results of this study may guide the policymakers and clinicians regarding the need to improve lung cancer awareness in our population.

Mental Health Among Healthcare Workers During the COVID-19 Pandemic in Vietnam

  • Nhan Phuc Thanh Nguyen;Ha Phan Ai Nguyen;Cao Khoa Dang;Minh Tri Phan;Huynh Ho Ngoc Quynh;Van Tuan Le;Chinh Van Dang;Tinh Huu Ho;Van Trong Phan;Thang Van Dinh;Thang Phan;Thi Anh Thu Dang
    • Journal of Preventive Medicine and Public Health
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    • v.57 no.1
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    • pp.37-46
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    • 2024
  • Objectives: The objective of this study was to characterize mental health issues among Vietnamese healthcare workers (HCWs) and to identify related factors. Methods: A cross-sectional study was conducted with 990 HCWs in 2021. Their mental health status was measured using the Depression, Anxiety, and Stress Scale. Results: In total, 49.9%, 52.3%, and 29.8% of respondents were found to have depression, anxiety, and stress, respectively. The multivariable linear regression model revealed that factors associated with increased anxiety scores included depression scores (β, 0.45; 95% confidence interval [CI], 0.39 to 0.51) and stress scores (β, 0.46; 95% CI, 0.41 to 0.52). Factors associated with increased depression scores included being frontline HCWs (β, 0.57; 95% CI, 0.10 to 1.10), stress scores (β, 0.50; 95% CI, 0.45 to 0.56), and anxiety scores (β, 0.41; 95% CI, 0.36 to 0.47), while working experience was associated with reduced depression scores (β, -0.08; 95% CI, -0.16 to -0.01). Factors associated with increased stress scores included working experience (β, 0.08; 95% CI, 0.00 to 0.16), personal protective equipment interference with daily activities (β, 0.55; 95% CI, 0.07 to 1.00), depression scores (β, 0.54; 95% CI, 0.48 to 0.59), and anxiety scores (β, 0.45; 95% CI, 0.39 to 0.50), while age was associated with reduced stress scores (β, -0.12; 95% CI, -0.20 to -0.05). Conclusions: Specific interventions are necessary to enhance and promote the mental health of HCWs so they can successfully cope with the circumstances of the pandemic.

Dynamic Behavior of Large Diameter steel Pipe Piles during driving (대구경 강관말뚝의 항타시 동적 거동)

  • 이영남;이종섭
    • Journal of the Korean Geotechnical Society
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    • v.16 no.4
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    • pp.141-148
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    • 2000
  • For the construction of 4.8km long Multi-Purpose Jamuna Bridge in Bangladesh, 2 or 3 large diameter open-ended steel pipe piles were used for the foundation of piers. A total of 123 piles were driven for 50 piers and 2 test piles from the river bed through the normally-consolidated upper sand layer and rested n top of gravel layer. Two types of piles, having 3.15 or 2.50m diameter and variable wall thickness in the range of 40 to 60mm, were driven to the depths of 69 to 74m with the rake of 6:1 by connecting 2 or 3 pieces of short piles. Dynamic pile tests were performed on 24 selected piles during pile driving and soil plug length inside the pile was also measured after driving of each short section.These piles were plugged with soil to, though slightly affected by pile diameters, about 75% of total length of pile driven. Active plug at the tip of pile contributed substantial amount of inner skin friction to the total capacity. Piles soon after driving showed a skin-friction dominant pile behaviour, tat is, 90% of total capacity being developed by skin resistance. Quakes values and Smith damping factors were almost constant regardless of pile diameters. This result reflects the influence of uniform soil condition at the site.

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The Strategies for the Sustainable Management of Insurance Companies (보험회사의 지속가능경영 전략에 관한 연구)

  • Jung, Se-Chang;Seon, Hwan-Kyu
    • Communications for Statistical Applications and Methods
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    • v.18 no.1
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    • pp.119-130
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    • 2011
  • This paper measures and analyzes the performance of insurance companies in Korea in respect to sustainable development and suggest strategic implications based on the analysis. The correlation, regression, ANOVA, and t-test are employed. The results of this study are summarized as follows. First, it shows tat social index is important in the life insurance industry; however, the environmental index, is important in the non-life insurance industry. Second, the result gained by regressing the size and financial soundness on the performance of sustainable development demonstrates that the size variable is statistically significant. It suggests that size is a necessary condition for sustainable development. Finally, ANOVA shows that the small and medium sized companies have a significantly poor performance compared to the large companies concerning the social index and reputation index in the life insurance industry. The small and medium sized companies in the non-life insurance industry exhibit a significantly poor performance compared to the large companies in respect to all the indexes, except for the social index. Therefore, the small and medium sized companies make every endeavor in the poor indexes to improve performance.

Berufsverbot als eine Sicherungsmaßregel in Deutschland (보안처분으로서 독일의 직업금지명령 - 의사의 범죄에 대한 대응을 중심으로 -)

  • Lee, Seok-Bae
    • The Korean Society of Law and Medicine
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    • v.22 no.1
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    • pp.27-55
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    • 2021
  • Bisher wurde kein Beruf zwischen Recht und Berufsethik so diskutiert wie Ärzte. Diskussionen über die Qualifikation(od. Approbation) von Ärzten sind nicht nur eine Frage Koreas, sondern in den meisten zivilisierten Ländern ein wichtiges Diskussionsthema, wenn ein Arzt insbesondere für eine Straftat bestraft wird. Vor kurzem hat sich die koreanische Ärztekammer (the Korean Medical Association) weitgehend gegen das, "Entwurf eines Gesetzes zur Reform des Medizingesetzes" stark ausgesprochen, das die Grunde für den Entzug einer Approbation für ein Verbrechen eines Arztes erweitert. Vor allem wird auf die Gefahr hingewiesen, eine Approbation für Straftaten zu entziehen, die nicht mit beruflichen Pflichten zusammenhängen. Es ist jedoch vernünftig, den Beruf bzw. das Gewerbe zu verbieten, wenn ein Fachmann unter Missbrauch seines Beruf oder grober Pflichtverletzung die Tat begangen hat und die Gefahr bestehet, dass er bei weiterer Ausübung seines Berufs erhebliche rechtswidrige Taten der bezeichneten Art begangen wird. Die Untersagung der Berufsausübung soll die Allgemeinheit gegen die spezifischen Gefahren schützen, die mit der Ausübung eines Berufs oder Gewebes verbunden sind. Da das Berufsverbot nur die Berufsausübung untersagt, die Approbation selbst aber bestehen lässt, kann die Approbationsbehörde in eigener Entscheidungskompetenz die Approbation zurücknehmen, wiederrufen, oder in Ruhen anordnen. Entsprechend dem Verhätnismäßigkeitsgrundsatz ist aber auch das Berufsverbot auf bestimmte Tätigkeiten im Bereich des Berufs zu beschränken, wenn dies zur Erreichung des Maßregelzwecks, dem schutz der Allgemeinheit, ausreichend ist. In diesem Beitrag wurden die Voraussetzunen des Berufsverbots und die tatsächlich an Ärzte bzw. medizinische Personal gerichteten Fälle untersucht.

Archaismen im heutigen Deutsch (현대 독일어에 나타난 고어)

  • Kim Jong-Soo
    • Koreanishche Zeitschrift fur Deutsche Sprachwissenschaft
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    • v.2
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    • pp.29-48
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    • 2000
  • Archaismen als sprachliches $Ph\"{a}nomen$, das zeitspezifischen Bewertungen unterliegt, sind bis jetzt in der Sprachwissenschaft wenig beachtet worden. In vorliegender Arbeit werden die $vielf\"{a}ltigen$ archaischen Formen behandelt, die noch heute in einem bestimmten Kontext gebraucht werden. Das Wort Archaismus starnmt von dem griechischen archaios 'altertumlich', und wird $haupts\"{a}chlich$ als Stilmittel der Rhetorik benutzt, um poetische, pathetische oder ironische Effekte hervorzurufen. Unter Archaismus wird em aus verschiedenen $Gr\"{u}nden$ veraltendes und veraltetes Wortgut verstanden, das aber noch im $Bewu{\ss}tsein\;der\;Sprachtr\"{a}ger$ lebt und im gegenwartssprachlichen Text verwendet wird. Ein Instrument zur deskriptiven Erfassung von Archaismen kann das $W\"{o}rterbuch\;sein.\;In\;W\"{o}rterb\"{u}chern$ der deutschen Gegenwartssprache werden Angaben $\"{u}ber$ zeitspezifische Markierungen eines Lexems gemacht: z.B. 'veraltet' , 'veraltend', $'fr\"{u}her'$, 'selten' 'historisch', 'nationalsozialistisch', , 'modern', , modisch , usw. Aber liber Art und Zahl der Markierung einerseits $\"{u}ber$ liber ihre Trennscharfe andererseits besteht noch keineswegs Klarheit. Der Vorgang des Veraltens - der Archaisierung - von Lexemen ist ein $Proze{\ss}$, der schwieriger festzustellen ist als das Aufkommen von neuen $W\"{o}rtern$. Hier sol1 nur eine von verschiedenen Ursachen genannt werden: $W\"{o}rter$ veralten mit ihren Denotaten. Wenn das Denotat aus dem gesellschaftlichen Leben verschwindet, ist auch die Benennung nicht mehr notwendig. Archaismen sind keineswegs auf den lexikalischen Bereich beschrankt, obwohl sie dort am meisten auffallen. Sie treten vielmehr auf allen Strukturebenen, vom Laut bis zum Text, auf: - auf der lautlichen Ebene: Kur/$K\"{u}r$, Melodie/Melodei, $g\"{u}lden$/golden - auf der morphologischen Ebene: gerne, am Tage, geschmecket/ geschmeckt - auf der graphematischen Ebene: That vs. Tat, Capital vs. Kapital - auf der lexikalischen Ebene: Oheim, Knabe, Kerker, Schulmeister - auf der Wortbildungsebene: Afterglauben, $Sch\"{o}ne$, kleineln - auf der syntaktischen Ebene: guten Mutes sein, einer Verbindung halber, $R\"{o}slein$ rot - auf der Textebene: Wollen der Herr unten speisen? Archaismen treten in unterschiedlichen Texten und Textsorten auf. Eine spezielle Funktion haben Archaismen im Sprachkunstwerk. Autoren nutzen sie, urn Zeitkolorit zu schaffen. Im Alltagsleben $k\"{o}nnen$ Archaismen Lebensumstande und -erfahrungen signalisieren. Altes Wortgut wird als kostbarer nationaler Besitz angesehen. Man kann heute immer wieder den $R\"{u}ckgriff\;auf\;\"{a}lteres$ Sprachgut beobachten, entweder urn Vergangenes und Vergessenes neu zu beleben oder urn die jeweilige Gegenwartssprache mit Hilfe yon Archaismen historisch zu vertiefen und gleichzeitig zu erweitern. Archaismen sind somit die sprachlichen Zeugen der Vergangenheit. Zugleich sind Sie auch Zeichen $f\"{u}r$ die 'Gleichzeitigkeit des Ungleichzeitigen' in heutigen Sprachen, weil sie 'kommunikativ mehrere Generationen, kulturell viele Jahrhunderte oder sogar Jahrtausende $\"{u}berbr\"{u}cken\;k\"{o}nnen$'.

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A Study on the Family communication and Power in Functional View. (가족의 커뮤니케이션과 勸力에 관한 기능적 이론의 접근)

  • 조은경
    • Journal of Families and Better Life
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    • v.5 no.2
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    • pp.127-144
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    • 1987
  • The purpose of this study is to explore the family communication and power. Communication is a symbolic, transactional process in functional view . To say tat communication is a process implies a continuous interaction of an indefinite large number of variables with a concomitant, continuous change in the values taken by these variables. Finally the process implies change. Family functions include the primary functions of cohesion and adaptability and supporting functions of family images, themes, boundaries, and biosocial issues, The primary functions reveal concepts integrated family interaction and supporting functions, along with those of cohesion and adaptability, give shape of family life. The message system is the major element of communication process and influences both the form and the content of thier relationship and create and share meanings. The family-of-origin issues influence all aspects of family communication and account for many of the communication patterns, rules and networks. Power does not belong to an individual. rather it is a property of a relationship between two or more persons, Power, a system property is the ability of an individual to change the behavior of other members in a social system. Power operate transactionally in a family and any power maneuvers within it have a system wide effect. In order to study power in families , it is necessary to examine 1) family power operations 2) development of family power and 3) the communication of power strutegies. The research presented indicated that a rigid power structure, characterized by dominance and little sharing, restricts family flexibility reduce cohesion, and adversely affects satisfaction in families. power constantly changes as a family grows and develops within its system. Although power changes may be more obvious in children as they mature and more from a independent stated to an independent one, each of the parents experience egual or greater. Communication and activities take place that either enhance positively or negatively the images, themes, and degree of unity of cohesion the family desires. Power operated within a dynamic, growing, changing, interdependent transactional family system. Power struggle may develop when as issue becomes important to one or more family member. When this happens, and the rational exploration of alternatives ceases, various one-up power maneuvers usally follows, This affect family intimacy. a vital element in meaningful relationships . To resolve differences and not become the victim of another's power , one need to engage in constructive conflict since the ability to clearly and comfortably repudiate another is part of the achievement of intimacy.

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Effects of High Fiber Grains on the Growth Rate and Fat Accumulation in Broiler Chickens (고 섬유질 곡류의 섭취가 육계의 성장능력 및 지방축적에 미치는 영향)

  • 정하연;이봉덕;임재삼
    • Korean Journal of Poultry Science
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    • v.14 no.1
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    • pp.33-38
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    • 1987
  • Two hundred and forty female day-old broiler chicks were employed in this study to investigate the influence of grains containing different levels of dietary fiber on the growth rate, carcass fat content and abdominal fat pad weight. Corn and sorghum were used as low-fiber grains, and rye and hulled barley as high-fiber grains. During the 6 weeks of feeding period, chicks were fed one of the four diets which were iso-caloric and iso-nitrogenous. Birds were Tandomly allotted to 20 battery cages. There were five replicates per treatment and 12 chicks per replicate (pen). Data were subjected to the one-way ANOVA test, and when significant at 5% level, then means were compared by the method of Duncan (1955). At 3 weeks of age, rye-fed chicks grew significantly slower than did the other birds. At 6 weeks of age, the growth rates of chicks fed rye and sorghum were significantly lower than those of birds fed barley ana corn. Carcasses from birds fed rye showed significantly lower tat content than those from birds fed corn and sorghum at 3 weeks of age. No significant difference was found between rye and barley in this context. At 6 weeks of age. however, this difference in carcass fat content disappeared. No significant difference in abdominal fat pad weight was found among four grains at both 3 and 6 weeks of ages.

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