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비대면 근무에 대한 인식 비교 후속 연구 : 근로자와 관리자의 상호지향성
권호중(Ho Jung Kwon),민대환(Daihwan Min) 한국IT서비스학회 2021 한국IT서비스학회지 Vol.20 No.3
There have been a series of mixed reviews on the ‘untact work’ which was implemented for the safety of the organizational members from Covid-19. This study reports a follow-up study with a quantitative approach to issues identified by in-depth interviews with workers and managers who have experiences in work from home. To compare the views of workers and managers on untact work, 264 workers and 141 managers were surveyed. An analysis of agreement, congruency, and accuracy on the basis of the co-orientation model shows that workers are more positive about the untact work than managers and that managers are found to have a negative perception on untact work. This seems to be a burden on workers. More specifically, managers and workers show significant perception gaps on the issues of unfair evaluation and work-life balance. The results imply that organizations need to make efforts to minimize the perception gaps between workers and managers. This would bring about benefits from untact work.
감압건조, 희석침전, 분무건조 방식으로 제조된 무회분석탄의 특성
권호중 ( Ho Jung Kwon ),최호경 ( Ho Kyung Choi ),조완택 ( Wan Taek Jo ),김상도 ( Sang Do Kim ),유지호 ( Ji Ho Yoo ),전동혁 ( Dong Hyuk Chun ),임영준 ( Young Joon Rhim ),임정환 ( Jeong Hwan Lim ),이시훈 ( Si Hyun Lee ),이영우 ( You 한국화학공학회 2016 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.54 No.2
Solid ash-free coal (AFC) samples recovered from solvent-extracted solution by vacuum drying, dilution precipitation and spray drying methods were compared in terms of physical properties and chemical structure. AFC was prepared by using Kideco coal (Indonesian sub-bituminous coal) and polar N-methyl-2-pyrrolidone (NMP) solvent as raw materials. The physical properties of the AFCs were characterized with proximate, ultimate, and calorific value analysis. In analyzing the chemical structure, FTIR and NMR were used. the proximate analysis showed much reduced ash in the AFCs compared to parent raw coal. The FTIR result showed that the extraction solvent was not fully removed from the AFC prepared by vacuum drying. However, the solvent was not detected in the AFC recovered by using dilution precipitation. Dilution precipitation has advantages over the other two methods, since it can be done at relatively low temperature and separate ash-free coal from extraction solvent more effectively.