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Evans, U. R.,Taylor, C. A. J.,장현구 한국부식학회 1972 Corrosion Science and Technology Vol.1 No.1
The present paper describes a research on Atmospheric Rusting, which has been in progress for 5 years in the Department of Metallurgy at Cambridge University. The discussion is designed to present the connection between the electrochemical mechanism of atmospheric corrosion with that of corrosion un her immersed conditions.
Holographic Nambu-Jona-Lasinio interactions
Evans, Nick,Kim, Keun-Young American Physical Society 2016 Physical review. D Vol.93 No.6
<P>Nambu-Jona-Lasinio (NJL) interactions are introduced into the D3/probe D7 system using Witten's double trace operator prescription which includes the operator as a classical term in the effective potential. In the supersymmetric system the interactions do not induce chiral symmetry breaking, which we attribute to the flat effective potential with quark mass in the supersymmetric theory. If additional supersymmetry breaking is introduced, then standard NJL behavior is realized. In examples where chiral symmetry breaking is not preferred, such as with a B field plus an IR cutoff, chiral condensation is triggered by the NJL interaction at a second-order transition after a finite critical coupling. If the model already contains chiral symmetry breaking, for example in the B field case with no IR cutoff, then the NJL interaction enhances the quark mass at all values of the NJL coupling. We also consider the system at finite temperature: the temperature discourages condensation, but when combined with a magnetic field, we find regions of parameter space where the NJL interaction triggers a first-order chiral transition above a critical coupling.</P>
SIMULTANEOUS REPETITION AS A MEASURE OF INTELLIGIBILITY
Evans, Paul M 新羅大學校 1995 論文集 Vol.39 No.1
본 논문의 목적은 native-speaker 청취자에게 이해도(intelligibility)를 평가하는 기술로서 외국인의 말을 동시 반복하는 것을 연구하는 것이다. 처음에는 10명의 nonnative speaker가 큰 소리로 읽는 것을 11명의 native speaker가 녹음된 음성으로 듣고서 이들의 발음을 평가하도록 했다. 두 번째 듣기시에는 이들의 말을 중단없이 반복하도록 시도해 보았는데, 이들 두 개의 평가사이에는 밀접한 관계가 있음이 관찰되었다. 개개인의 심사원이 매긴 점수를 모든 심사원의 평균 점수와 비교해 볼 때 평가시험보다 반복시험에서 더 높은 상관관계가 나타나는 경향이 있었다. 마지막으로 동시반복에 대한 두가지 가능한 적응성이 논의되었다. (1) 여러기간 동안 동일 관찰자에 의한 반복평가 (2) 발음 평가가 표준과 크게 변하는 혹은 평가 기준을 어렵게 이해하는 개인평가자.
( Evans Atuti Atera ),( Kazuyuki Itoh ),( Tetsushi Azuma ),( Takashige Ishii ) 한국잡초학회 2012 Weed Biology and Management Vol.12 No.1
Witchweed, Striga hermonthica (hereafter, referred to as "Striga"), is a major biotic constraint to cereal production in sub-Saharan Africa.The parasitic plant is a socioeconomic problem that has forced some resource-poor farmers to abandon their farms due to high infestation. This study was designed in order to elucidate farmers` perceptions of Striga control measures and to determine their potential adoption in two villages in western Kenya. Participatory rural appraisals and individual interviews were conducted in 2009 and 2010 in a sample of 128 and 120 households in Kaura and Kogweno-Oriang villages in Homabay and Rachuonyo districts, respectively. The results revealed that crop production was the main occupation in most households.The farmers identified Striga as one of the major constraints to maize, sorghum, and finger millet production. According to the farmers, the most popular control measures were hand-pulling, crop rotation, and intercropping, even though rotational systems might need a longer timeframe to reduce the soil seed bank of Striga.Although the level of Striga infestation and damage were increasing in the farmers` fields, the adoption of the control options was limited.The reason for the low adoption level of the control methods by the farmers is because they are "too risky" as there is no guarantee of a direct pay-off in increased crop yield. Farmer-led evaluation and adaptation of the various Striga control technologies in real-life situations will facilitate the choice of appropriate options and facilitate their uptake.
Evans, Paul 新羅大學校 1994 論文集 Vol.37 No.1
This is a correlative study of three tests designed to objcetively test oral language proficiency. Thirty-five secondary school English teachers in Pusan, South Korea were tested using the SPEAK test, a 19-sentence repetition test, and a 15-sentence written test(combining dictation and written extension of spoken dialogue). A significant positive correlation was found between the three measures, considering the reliability of the tests and the characteristics of the population sample. The different parts of the SPEAK test were also inter-correlated.