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물질주의가 과시소비, 충동구매와 삶의 만족 및 부정적 감정에 미치는 영향
윤성욱(Yoon, Sung-wook),강아롱(Kang, A-rong) 한국경영교육학회 2021 경영교육연구 Vol.36 No.1
[연구목적] 물질주의의 부정적인 영향에 대한 선행연구들은 이루어져 왔지만, 물질주의가 과시소비 및 충동구매에 영향을 미치고 이러한 비합리적인 소비가 삶의 만족 및 부정적 감정에 미치는 전체 변수들 간의 연구는 전무했기에 본 연구에서 이러한 관계들이 동시에 미치는 영향을 살펴보고자 한다. [연구방법] 본 연구는 자료 분석을 위해 신뢰도분석, 탐색적 요인분석, 확인적 요인분석을 실시한 후 측정모델의 적합도를 평가하였고, 이를 바탕으로 측정모형과 구조모델을 동시에 측정하는 구조방정식 검증을 실시하였다. [연구결과] 본 연구를 통한 결과는 다음과 같다. 물질주의가 높을수록 과시소비와 충동구매를 더 하는 것으로 나타났다. 그리고 과시소비 성향이 높을수록 삶의 만족도는 낮아지며, 부정적 감정은 높았다. 마지막으로 충동구매 성향이 높을수록 부정적 감정은 높았지만, 삶의 만족도에는 영향을 미치지 않는 것으로 나타났다. [연구의 시사점] 본 연구의 결과를 토대로 청소년들의 올바른 가치관과 소비 형태를 정립할 수 있는 교육 자료로 활용할 수 있을 것이라 본다. 그리고 물질주의를 통한 올바르지 못한 구매들이 부정적인 감정을 높이고 삶의 만족을 떨어뜨릴 수 있음을 공익광고를 통해 건전한 인식 전환을 시도해 볼 수 있을 것이며, 구매 후에 느낄 수 있는 부정적 감정들에 대해서는 과시를 통한 우월감, 만족감으로 대신하거나, 실용적인 측면들을 내세워 소비에 대한 정당성을 확보하여 부정적 감정들을 완화 시킬 수 있을 것으로 본다. [Purpose] Previous studies on the negative effects of materialism have been carried out, there has been no study of materialism’s effects on conspicuous consumption and impulse buying nor the study of entire variables between the effects of irrational consumption and satisfaction with life and negative emotions. In this context, this study examines the simultaneous effects of the relationships. [Methodology] This study evaluated the measuring model’s fitness after performing a reliability analysis, an exploratory factor analysis, and a confirmatory factor analysis. Based on this, the verification of the structural equation model simultaneously measuring the measuring model and the structural model was performed. [Findings] The results of this study are as follows: As materialism was higher, conspicuous consumption and impulse buying were higher. As conspicuous consumption was higher, satisfaction with life became lower but negative emotions were higher. Lastly, as the impulse buying disposition was higher, negative emotions were higher, but it did not affect satisfaction with life. [Implications] The result of this study can be used for educational data to establish adolescents’ proper values and behavioral patterns. A sound awareness shift that improper buying can elevate negative emotions and lower satisfaction with life can be attempted through public service advertisement. Negative emotions can be eased by securing legitimacy on consumption by replacing negative emotions with sense of superiority and satisfaction or by presenting the practical aspect.
Kang Wook Lee,Geun Su Kim,Jeong A Kim,Do Young Kwon,Jin Ju Lee,Il Chul Kim,Sang Gu Kim,Tae Seok Kim,Sang Yun Lee 한국식품위생안전성학회 2022 한국식품위생안전성학회지 Vol.37 No.2
The bacterial soft-rot disease is one of the most critical diseases in vegetables such as Chinese cabbage. The researchers isolated two bacteria (Pseudomonas kribbensis and Pantoea vagans) from diseased tissue samples of Chinese cabbages and confirmed them as being the strains that cause soft-rot disease. Lactic-acid bacteria (LAB), were screened and used to control soft-rot disease bacteria. The researchers tested the treatments with hypochlorous acid water (HAW) and LAB supernatant to control soft-rot disease bacteria. The tests confirmed that treatments with the HAW (over 120 ppm) or LAB (Lactobacillus plantarum PL203) culture supernatants (0.5 mL) completely controlled both P. kribbensis and P. vagans.
( Wook Kyum Kim ),( Sung Yong Kang ),( Soolienah Rhiu ),( Seung Ah Chung ),( Jong Bok Lee ) 대한안과학회 2012 Korean Journal of Ophthalmology Vol.26 No.1
Purpose: To report the long term results of bifocal treatment in nonrefractive accommodative esotropia and to analyze the changes of accommodative convergence to accommodation (AC/A) ratio. Methods: Sixteen patients treated with bifocal glasses for at least 5 years were evaluated retrospectively. Angle of deviation at near and distance, refractive error, and AC/A ratio by the lens gradient method were analyzed. The changes of AC/A ratios were also compared after dividing the patients according to continuation or cessation of bifocal therapy. Results: Six patients (38%; bifocal stop group, BSG) were able to stop using bifocal glasses at an average age of 10.8 years (range, 6.5 to 15.4 years) during their follow-up. However, the other ten patients (62%; bifocal continue group, BCG) had to continue using bifocal glasses until the final visit, which was 13.8 years on average (range, 11.3 to 18.5 years). The AC/A ratio decreased from time of bifocal prescription to the last visit in both groups, from 4.4 to 2.7 in the BSG and from 5.9 to 4.5 in the BCG. AC/A ratios were significantly higher(p = 0.03) in the BCG than that of the BSG from the beginning of bifocal treatment and this difference was persistent until the final visit (p=0.03). Conclusions: The AC/A ratio decreased with age in both groups but was significantly higher throughout the entire follow-up period in the BCG. AC/A ratio at bifocal prescription could be an important factor in predicting response to bifocal treatment.
Kang, Sang-Wook,Char, Kook-Heon,Kim, Jong-Hak,Kang, Yong-Soo The Polymer Society of Korea 2007 Macromolecular Research Vol.15 No.2
The reduction behavior of silver ions to silver nanoparticles is an important topic in polymer/silver salt complex membranes to facilitate olefin transport, as this has a significant effect on the long-term performance stability of the membrane. In this study, the effects ofthe solvent type on the formation of silver nanoparticles, as well as the long-term membrane performance of a solid polymer/silver salt complex membrane were investigated. These effects were assessed for solid complexes of poly(N-vinyl pyrrolidone) $(PVP)/AgBF_4$, using either an ionic liquid (IL), acetonitrile (ACN) or water as the solvent for the membrane preparation. The membrane performance test showed that long-term stability was strongly dependent on the solvent type, which increased in the following order: IL > ACN >> water. The formation of silver nanoparticles was more favorable with the solvent type in the reverse order, as supported by UV-visible spectroscopy. The poor stability of the $(PVP)/AgBF_4$ membrane when water was used as the solvent might have been due to the small amount of water present in the silver-polymer complex membranes actively participating in the reduction reaction of the silver ions into silver nanoparticles. Conversely, the higher stability of the $(PVP)/AgBF_4$, membrane when an IL was used as the solvent was attributable to the cooperative coordination of silver ions with the IL, as well as with the polymer matrix, as confirmed by FTIR spectroscopy.
Sang Mo Yang,한석규,Dong-Suk Kang,Jae Goo Kim,홍순구,Jae Wook Lee,이정용,Takafumi Yao,송정훈 한국물리학회 2008 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.53 No.1
The possibility of sputter-deposited Ti and processed Ti compounds as buffers for the growth of epitaxial ZnO films on (111) Si substrates by using plasma-assisted molecular beam epitaxy (PAMBE) were studied. We used four types of substrates: 1) a bare (111) Si substrate, 2) an as- deposited Ti/Si (111) substrate, 3) Ti/Si (111) substrates nitrided or oxidized by using an electric furnace under a N2 or an Ar+O2 ambient and 4) Ti/Si (111) substrates treated with a N or an O plasma in the PAMBE chamber. The ZnO films were not single crystalline, but grew with a highly preferred orientation along the <0001> direction. The buffers investigated in this study were effective in improving the crystal quality of the ZnO films on (111) Si substrates although single-crystalline ZnO films were not grown. Among the investigated samples, the ZnO film on the oxidized Ti/Si substrate had the narrowest X-ray rocking curve (XRC) with a Full width at half maximum (FWHM) of 3.05˚ while the ZnO film on the bare Si substrate showed a very broad XRC with a FWHM of 11.793˚. We expect that epitaxial or high-quality Ti oxide may be a promising buffer for the growth of high-quality, epitaxial ZnO films on (111) Si substrates.
Intra-abdominal bronchogenic cyst
Kang Kook Choi,Ji-Youn Sung,Jung-Sun Kim,Min Jung Kim,Hyojun Park,Dong Wook Choi,Seong Ho Choi,Jin Seok Heo 한국간담췌외과학회 2012 한국간담췌외과학회지 Vol.16 No.2
An intra-abdominal bronchogenic cyst (BC) is a very rare congenital anomaly caused by abnormal budding of the developing tracheobronchial tree. Intra-abdominal BCs are reported as retroperitoneal masses in most cases, many of which are located on the left side of the midline, the perigastric area, the left adrenal gland, or the superior body of the pancreas. Intra-abdominal BCs are frequently misdiagnosed due to the rarity, location, and variable cystic content. We report five patients with intra-abdominal BCs who underwent surgery in a single institution. (Korean J Hepatobiliary Pancreat Surg 2012;16:75-79)
Kang, Keon-Wook,Kim, Yoon-Gyoon,Kim, Choon-Won,Kim, Sang-Geon The Pharmaceutical Society of Korea 2002 Archives of Pharmacal Research Vol.25 No.5
Liver fibrosis is a prepathological state wherein damaged liver tissues in chronic liver diseases, such as hepatitis, are not repaired to normal tissues, but converted to fibrous tissue. 5-(2-Pyrazinyl)-4-methyl-1,2-dithiol-3-thione (oltipraz), a cancer chemopreventive agent, is effective against a wide variety of chemical carcinogens. Recently, we reported that oltipraz inhibits liver fibrogenesis (Kang et al., 2002). In the present study, the effects of oltipraz in combination with dimethyl-4,4'-dimethoxy-5,6,5',6'-dimethylene dioxybiphenyl-2,2'-dicarboxylate (DDb) on dimethylnitrosamine (DMN)-induced liver fibrogenesis were assessed in rats. Oltipraz (30 mg/kg body weight, po, 3 times per week for 4 weeks) was found to inhibit the increases in plasma ALT, AST and bilirubin by DMN, whereas DDB (30 mg/kg body weight, po, 3 times per week for 4 weeks) attenuated the increases in the plasma ALT and bilirubin. The lowered plasma protein and albumin contents in DMN-treated rats were completely restored by oltipraz, but not by DDB. DDB decreases liver cell injury and inflammation through inhibition of nuclear factor-kB. DMN increased the accumulation of liver collagen, as indicated by the increase in the 4-hydroxyproline content in liver homogenates, which was reduced by treatment with oltipraz, but not by DDB. Given the differential effect between oltipraz and DDB, the potential enhancement of antifibrotic efficacy by the drugs was assessed in the animal model. Despite the minimal effect of DDB on DMN-induced fibrogenesis, DDB (5-25 mg/kg), administered together with oltipraz (25-5 mg/kg), showed an additive protective effect against hepatotoxicity and fibrosis induced by DMN, which was shown by the blood chemistry parameters and histopathological analysis. The adequate composition ratio of oltipraz to DDB was 5:1. These results provide information on the pharmaceutical composition, comprising of oltipraz and DDB as the active components, for the treatment and/or prevention of liver fibrosis and cirrhosis.