• 펄프종이기술
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• 제43권4호
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• pp.76-81
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• 2011

This study was carried out in order to develop a speciality functional coated paper, which can be recognized under a ultraviolet lamp. The special fluorescent whitening agent (FWA) which absorbs ultraviolet light (397~410 nm) and emits it as yellowish light (570~500nm) was used. The special FWA was applied in a coating color in two ways: (1) direct application to a coating color as a FWA; (2) application on pigment surface, drying it and application it as a fluorescence whitening pigments (colored pigments). The effects of the special FWA on coating color properties were tested and the distribution of colored pigments in coated paper was evaluated under a ultraviolet lamp. The results showed that the colored pigments didn't affect on coating color properties. Experimental results showed the possibility of producing a security coated paper using the special FWA. To produce a speciality functional paper, it was found to be proper to apply the special FWA in the form of colored pigment.

• 펄프종이기술
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• 제43권5호
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• pp.11-16
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• 2011

This study was aimed to apply thermochromic and photochromic pigments to coating color and to develop a speciality functional coated layer. Two special pigments were added to a conventional coating color. The effects of the special pigments on coating color properties such as water rerention, low-shear viscosity were evaluated. Also the color changes of coated paper was observed under various circumstances. The results showed that the special pigments didn't influence the coating color properties. The coated paper with the special pigments showed four different colors, under various circumstances, implying that thermochromic and photochromic pigments can be used to produce a security paper.

• 대한수학회논문집
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• 제34권2호
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• pp.383-390
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• 2019

In this paper, we discuss special polynomials involving exponential distribution, which is related to life testing. We derive some identities of special polynomials such as the symmetric property, recurrence formula and so on. In addition, we investigate explicit properties of special polynomials by using their derivative and integral.

• 품질경영학회지
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• 제31권2호
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• pp.183-193
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• 2003

A special cause producing temporary deviation in the underlying process can influence on process adjustment in responsive feedback control system. In this paper, the impact of special causes on the EWMA(Exponentially Weighted Moving Average) forecasts and the process adjustment that is based on the EWMA forecasts are derived. For some special causes with patterned type of contamination, the influence of the causes on the output process are explicitly investigated. A data set, contaminated by a special cause of level shift, is analyzed to evaluate the impact numerically.

• 도서관문화
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• 제13권7호
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• pp.18-21
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• 1972

역자 주. 이 기사는 John Rothman씨가 ;The New York Times Information Bank'란 표제로 Special Libraries, vol. 63( April 1972), p.11-115에 기고한 것을 Special Libraries와 필자의 번역허가를 얻어 우리말로 옮긴 것이다. Rothman씨는 뉴욕에 있는 ‘뉴욕타임즈’사의 도서관 및 정보업무담당 도서관장으로 재직 중에 있다.

• 대한수학회논문집
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• 제34권3호
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• pp.897-910
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• 2019

In this paper we introduce the notion of "robust special Anosov endomorphisms", and show that Anosov endomorphisms of tori which are not neither an Anosov diffeomorphism nor an expanding map, are not robust special.

• 한국수학사학회지
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• 제19권1호
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• pp.79-90
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• 2006

본 논문은 중$\cdot$고등학교에서 특수각의 삼각비를 삼각비의 원래 기원인 기하학적 의미가 아닌 지나친 대수적 접근방법으로 지도하고 있다는 문제점으로부터 출발하여 특수각의 삼각비를 유클리드 <원론>에 기초한 정오각형과 정십각형의 작도법으로부터 유도하고자 한다. 이를 위하여 정오각형과 정십각형의 작도법을 고찰하고 이로부터 다양한 특수각을 기하적으로 유도하고 있다. 이런 기하학적 방법을 통하여 특수각의 삼각비의 기하학적 의미를 재조명하고 수학사를 활용한 삼각비의 교수방법을 제시하고자 한다.

• 기록학연구
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• 제79호
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• pp.169-203
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• 2024

특수기록관에서 관리되는 기록들은 실질적인 권력 주체들이 의사결정 과정에서 생산되고 관리되는 핵심기록들이다. 공공기록물관리법에서는 특수기록관에 한해 소관 비공개기록물의 이관시기를 생산연도 종료 후 30년까지 연장할 수 있으며, 30년이 지난 후에도 업무수행에 계속 사용할 필요가 있는 경우 이관시기를 연장할 수도록 규정했다. 이러한 특수기록관리 제도의 예외적 절차와 그 시행에 관해 이해하기 위해서는 특수기록관의 의미뿐 아니라 특수기록물의 특징과 범위, 유형에 관한 분석이 선행되어야 한다. 따라서 본고는 첫째, 국가기록원의 백서와 통계자료에서 드러난 특수기록물의 이관 현황을 분석하고 특수기록물과 특수기록관의 유형과 범주, 특성에 대해 살펴보았다. 둘째, 특수기록관의 설립과 조직체계에 따른 운영방식의 변화에 대해 검토하였다.

• Journal of the Korean Statistical Society
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• 제33권2호
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• pp.219-231
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• 2004

Process adjustment is a complimentary tool to process monitoring in process control. Although original intention of process adjustment is not identifying a special cause, detection and elimination of special causes may lead to significant process improvement. In this paper, we examine the impact of special causes on process adjustment. The bias in the adjusted output process is derived for each type of special causes, and average run length (ARL) of the Shewhart chart applied to the adjusted output is computed for each special cause types. Numerical results are illustrated for the ARL of the Shewhart chart, thereupon seriousness of special causes on process adjustment is evaluated for each type of special causes.

• Journal of applied mathematics & informatics
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• 제38권1_2호
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• pp.37-56
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• 2020

In this paper we discuss some interesting properties of (p, q)-special polynomials and derive various relations. We gain some relations between (p, q)-zeta function and (p, q)-special polynomials by considering (p, q)-analogue Euler sum types. In addition, we derive the relationship between (p, q)-polylogarithm function and (p, q)-special polynomials.