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이진연 대한일어일문학회 2015 일어일문학 Vol.65 No.-
The most widely used “Hope Expressions" in Japanese are「~たい」and「~てほしい」. In Japanese ancient documents, those expressions are usually denoted by two Chinese letters,「Yoku(欲)」and「Gan (願)」. Investigating usage of the letters would help understand their meaning and sentence structuring. Mori Hiromichi(1999) stated in his「日本書紀區分論」that『Nihonshoki(日本書紀)』is compiled by α group, which is described in Classical Chinese, and β group, which is described in Japanese Style Chinese, and「Yoku」and「Gan」were used differently in those two groups.「Yoku」generally represents ‘wish’ in both α and β groups, however,「Gan」corresponds to both ‘wish’ and ‘desire’ in α group and mostly represents ‘desire’ in β group. In『Kojiki(古事記)』, which is written in Japanese Style Chinese, 「Yoku」represents ‘wish’ and「Gan」corresponds to ‘desire’, which is similar to the β group of 『Nihonshoki』. But In『Kojiki』,「Yoku」is unilaterally used where「Gan」could be compatible with, and「Gan」only appears where「Yoku」is unacceptable, demonstrating its own methods of application in hope expression. Specific results of analysis are as follows. First,「Yoku」is less tied to person and tense in usage compared with「Gan」, and include meaning of 〔願望-表出〕desire revelation,〔願望-說明〕desire description,〔希求-表出〕wish revelation and〔希求-說明〕wish description, allowing wider meaning area than that of「Gan」. Secondly, in meaning area of〔願望-表出〕desire revelation,「Yoku」and「Gan」are interchangeable but there is a difference in the shade of meaning between the two words.「Yoku」is used to show speakers’ inner talks about subjective views, like <思>, meanwhile,「Gan」is for external illocutions, seeking listeners’ understanding. Thirdly, in the meaning area of「願望-說明〕desire description,「Yoku」is incompatible with「Gan」, as 「Yoku」is interpreted as assertion or assumption of third person narrator’s feeling. Lastly, in〔希求-表出〕wish revelation,「Yoku」is used as an auxiliary verb and「Gan」is used as an adverb, showing their incompatibility in using.
조직구조의 영향을 고려한 비즈니스 프로세스 통합 분석 방법론 개발
이진연,이승훈,권충일,최인준 한국경영과학회 2015 한국경영과학회 학술대회논문집 Vol.2015 No.4
Recently, organizations need to change or redesign their business process and/or organizational structure, more frequently to adapt to the rapidly changing environment. Most existing studies, however, do not always provide optimized outcomes since the redesigned processes do not fit various organizational factors and vice versa. This study presents an integrated methodology for evaluation and redesign of business processes and organizational design factors. These results will provide scientific solutions to the important problem of optimal design of business process and organization.
저품위 동(Cu) 함유 슬러지로부터 동 전해정련에 관한 연구
이진연,손성호,박성철,정연재,김용환,한철웅,이만승,이기웅,Lee, Jin-Yeon,Son, Seong Ho,Park, Sung Cheol,Jung, Yeon Jae,Kim, Yong Hwan,Han, Chul Woong,Lee, Man-seung,Lee, Ki-Woong 한국자원리싸이클링학회 2017 資源 리싸이클링 Vol.26 No.6
저품위 동 함유 슬러지로부터 회수된 동 조금속을 황산구리 전해액에서 전해정련을 수행하여 고순도 동을 회수하고자 하였다. 유기첨가제 종류 및 농도에 따른 전해정련동 표면 형상 및 조도를 분석하였을 때, gelatin계 유기첨가제 5 ppm 및 thiol계 유기첨가제 5~10 ppm 혼합 조건에서 가장 우수한 표면 형상을 얻을 수 있었다. 건식환원공정을 통해 회수한 철(Fe), 니켈(Ni), 코발트(Co) 및 주석(Sn) 등의 불순물이 함유된 각 86.635, 94.969 및 99.917 wt.% 순도의 동 조금속을 사용하여 전해정련하였고, 순도 3N~4N급 전해정련동을 얻을 수 있었다. 동 조금속, 전해액, 전해정련동의 불순 원소 농도 및 동 순도 등의 분석을 통해, 순도 99.99 wt.% 이상 전해정련동을 회수할 수 있는 전해정련 공정시간 및 동 조금속 순도를 도출하였다. The electro-refining process was performed to recovery high purity copper from low grade copper containing sludge in sulfuric acid. The surface morphologies and roughness of electro-refining copper were analyzed with variation of the type and concentration of organic additives, the best surface morphology was obtained 5 ppm of the gelatin type and 5 to 10 ppm of the thiol type organic additive. The crude metal consisted of copper with 86.635, 94.969 and 99.917 wt.%, several impurity metals of iron, nickel, cobalt and tin by pyro-metallurgical process. After electro-refining process, the purity of copper increases to 3N or 4N grade. The impurity concentrations and copper purities of copper crude metals, electrolyte and electro-refining copper were analyzed using ICP-OES, the electro-refining time and purity of copper crude metal to recover 4N grade copper were deduced.
CDI 공정에서 Alginic Acid Sodium Salt의 파울링 현상 확인 및 제거 조건 확립
이진연,임지원 한국막학회 2020 멤브레인 Vol.30 No.5
In this study, we suggest conditions to reduce fouling in capacitive deionization (CDI) caused by alginic acid sodium salt, one of the most common fouling-causing substances in natural water and wastewater management. First, NaCl is used as feed material, which is selected as the control of the experiment. As expected, fouling phenomena is not observed from NaCl. On the other hand, when alginic acid sodium salt is added to the inlet, the fouling phenomena can be observed. In order to minimize the fouling phenomena, the feed concentration of alginic acid sodium salt, applied potential during desorption process, and duration of applied potential to our CDI cell are controlled. With 7 mg/L of feed stream concentration, CDI performed using 1.2 V for 1 min during adsorption followed by desorption with -2 V for 1 min exhibited the highest alginic acid salt removal efficiency reaching 50.07%. 본 연구에서는 자연수, 하폐수에 많이 포함되어 있는 파울링 유발 물질 중 하나인 alginic acid sodium salt를 축전식 탈염공정(capacity deionization, CDI)에서 파울링 감소를 위한 조건을 확립하고자 한다. 먼저 feed 물질로 NaCl을 사용하였다. 이는 파울링 발생에 대한 비교 물질로, 파울링이 발생하지 않음을 관찰하였다. Alginic acid sodium salt를 사용하여 파울링 발생 여부를 확인하였다. 농도는 7 mg/L, 흡착 1.2 V 5 min, 탈착 -2 V 1 min에서 효율이 50.07%으로 제일 효율적인 탈착 조건임을 알 수 있었다.
조직구조의 영향을 고려한 비즈니스 프로세스 통합 분석 방법론 개발
이진연,이승훈,권충일,최인준 대한산업공학회 2015 대한산업공학회 춘계학술대회논문집 Vol.2015 No.4
Recently, organizations need to change or redesign their business process and/or organizational structure, more frequently to adapt to the rapidly changing environment. Most existing studies, however, do not always provide optimized outcomes since the redesigned processes do not fit various organizational factors and vice versa. This study presents an integrated methodology for evaluation and redesign of business processes and organizational design factors. These results will provide scientific solutions to the important problem of optimal design of business process and organization.