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중학생의 스트레스와 인터넷 이용동기가 인터넷 중독에 미치는 영향
박혜영,이은희,박상미,Park, Hea-Young,Lee, Eun-Hee,Park, Sang-Mi 한국가정관리학회 2009 가정과삶의질연구 Vol.27 No.6
The following research aimed to determine the effect of stress among middle school students on their addiction to the Internet. This research's target was a group of male students who had a high probability of getting addicted to the Internet while playing c/t games. The study distributed 357 questionnaires and used 340 copies, which meant discarding 17 copies that were considered inadequate. The research results are as follows: First, there appeared subordinate factors in the stress suffered by the students. These included stress from their families, from conflicts with their teachers, from the living environment, current schoolwork and future course in college, insecurity over their physical appearance, bullying from other students, and relationships with friends. Among these factors, stress caused by conflicts with teachers and family was the most frequently cited, while stress from their friends was the least cited. The motive in using the Internet was found to be bound with several factors. These include: a form of diversion, a way to communicate with others, a means in coping with loneliness, a source of news and information, a form of passing away time, a kind of habit, and others. Among these motives, passing away time and indulging a habit were cited the most, followed by news and information search, and a form of diversion. Second, as a subordinate factor in Internet addiction, the following were cited: formation of tolerance, health issues, occurrence of problems related to daily life, satisfaction or a pleasant sensation, withdrawal, cover-up on the use of the Internet, and formation of virtual interpersonal relationships, and others. Among these, the formation of tolerance came out the highest, followed by health issues, daily life, and problems related to daily life. Third, in terms of the effects of stress on the motive in using the Internet, the research found that the more the students felt stressed out by conflicts with their teachers and family, the more they tended to use the Internet to communicate with others, to cope with loneliness, to obtain newsI and information, to passawaytime, and to indulge a habit Also, the more they felt stressed out by the living environment, the more they tended to use the Internet to communicate with others, to cope with loneliness, and use news and information. The more they felt stressed out by their schoolwork and future course in college, they tended to use the Internet as a form of diversion and to secure news and information. The more they felt stressed out by their insecurity over their physical appearance and being victimized by bullies, the more they tended to use the Internet to cope with loneliness. Fourth, as for the effect of several variables on student addiction to the Internet, the study found that the more students felt stressed out by their living environment, by schoolwork and future course in college, by their physical appearance, and bullying from other students, the more they used the Internet as a form of diversion, a communication tool, and as a means of passing away time or indulging a habit. The study came up with the finding that the more the students used the computer and the Internet, the probability of their getting addicted to the Internet got higher.
Conformation 이 고정된 Sulfonylurea 유도체의 혈당상승작용
박혜영(Hea Young Park),김연경(Yun Kyung Kim),권진숙(Jin Suk Kwon),김화정(Hwa Jung Kim) 한국응용약물학회 1996 Biomolecules & Therapeutics(구 응용약물학회지) Vol.4 No.4
3,4-Dihydro-3-oxo-2H-1,2,4-benzothiadiazine-1,1-dioxides were synthesized as conformationally rigid analogues of sulfonylurea hypoglycemic agents. All the compounds prepared showed hyperglycemic activity. The hyperglycemic activity was enhanced for the diabetic rats in which the blood glucose level was increased by 30-70%.
인삼 사포닌이 일산화탄소중독 및 노화과정에서 흰쥐의 신경전달물질 함량 변화에 미치는 영향
박혜영(Hea Young Park),김춘미(Choon Mi Kim),주지연(Ji Yeon Ju),최현진(Hyun Jin Choi) 대한약학회 1992 약학회지 Vol.36 No.3
After rats were exposed to 5,000 ppm carbon monoxide for 30 minutes, the amounts of catecholamine neurotransmitters in stratum were measured using high performance liquid chromatograph equipped with electrochemical detector. The concentration of dopamine in stratum was significantly decreased after carbon monoxide intoxification, but those of dihydroxyphenylacetic acid, norepinephrine, and epinephrine was not changed. However the pretreatments of Ginseng total saponin and panaxatriol saponin increased the concentrations of dopamine and its acidic metabolites (DOPAC and HVA). Ginseng total saponin also increased the concentrations of norepinephrine and epinephrine. Similar results were obtained from aged rats.
3,4-디히드로-3-옥소-2H-1,2,4-벤조치아디아진-1,1-디옥사이드 유도체의 합성 및 세포 독성
박혜영(Hea Young Park),한윤정(Yun Jong Han),이정옥(Jeong Ok Lee) 대한약학회 1995 약학회지 Vol.39 No.6
A series of 3,4-dihydro-3-oxo-2H-1,2,4-benzothiadiazine-l,l,dioxides with cytotoxic activity against human solid tumors is described. Synthesized compounds showed mild but broad spectrum cytotoxicity in vitro. The lipophilic substituents like alkyl, alkoxy and chloro on benzene ring increased the activity. Also hydrophobic group on 3 or 4 position of benzothiadiazine was important for the activity
인삼 사포닌이 일산화탄소중독 및 노화과정에서 흰쥐의 뇌에너지 대사물 함량 변화에 미치는 영향
신정희(Jeung Hee Shin),최현진(Hyung Jin Choi),강지원(Ji Won Kang),박혜영(Hea Young Park),윤재순(Jae Soon Yun) 大韓藥學會 1992 약학회지 Vol.36 No.3
This study was performed to investigate the effects of ginseng saponins on the cerebral energy metabolite''s contents influenced by carbon monoxide(CO) intoxication. Each experimental group was divided into young (5~8 weeks) and aged (43~52 weeks) rats, and they were exposed to 5,000 ppm CO (72% HbCO) for 30 min. One of the other groups was pretreated with ginseng saponins for 5 days before CO intoxication. The contents of cerebral energy metabolites in cerebral cortex, stratum and hypothalamus were measured. In cerebral cortex of both young and aged rats, the levels of ATP and creatine phosphate were significantly decreased, while those of lactate were significantly increased. There was no difference between the levels of cerebral energy metabolites of young and aged rats. Pretreatment of ginseng saponins before CO intoxication lowered decrease of the levels of cerebral energy metabolites and ATP levels were significantly recovered. On the other hands, contents of lactate in stratum and hypothalamus of young rats were significantly increased and the levels of ATP and creatine phosphate in stratum and hypothalamus were completely recovered at 2 weeks after CO intoxication. The results suggest that ginseng saponins have an ameliorating action against disturbance of the cerebral energy metabolites by CO intoxication.
김희진(Hee Jin Kim),박혜영(Hea Young Park) 한국아동학회 2001 兒童學會誌 Vol.22 No.1
In this study of intentions and strategies of children`s requests and teachers` responses, the subjects were 20 teachers and 610 4- and 5-year-old children in 10 kindergartens. Each teacher wore an audio-recorder and one-to-one interactions between teacher and child were audiotaped during a 40-minute free play session. Children made requests most frequently with the intention of getting attention; they also made requests for the purpose of seeking information. In making requests, children utilized various strategies including direct, indirect, and physical strategies. Furthermore, their strategies were dependent on intention. Teachers most frequently responded to children with the strategy of committed compliance. Results were discussed in terms of roles of active children and responsive teachers in forming and maintaining good teacher-child relationships.