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정화영,김종진,김종훈,Jeong, Hwa-Young,Kim, Jong-Jin,Kim, Jong-Hoon 한국정보교육학회 2005 정보교육학회논문지 Vol.9 No.1
Web-Based instruction system embodied according to traditional process until present. But, these method have inefficiency in system development and give trouble of operation and administration after development. Therefore, It need induction of component based development in Web-Based instruction system. In this research, I constructed score processing system by component composition. I embodied component by Java Beans and used C2 architecture at the composition method. In this result, I shown in application possibility of component based development in Web-Based instruction system as to construct whole score processing system through composition of each component.
자동화시스템을 위한 컴포넌트 기반의 통신 Emulate 구현
정화영,Jeong Hwa-Young 한국디지털콘텐츠학회 2002 한국디지털콘텐츠학회논문지 Vol.3 No.2
Currently, communication field for automation system can be divided by simple serial communication for communication between each internal devices and network base remote control system that is based on TCP/IP. In spite of great development of network, communication part for internal control is using simple RS232 base until present. Also, development techniques of system developed by object oriented program in modular programming techniques of each function unit. Currently, it developed by component base development technique that is parts unit of software. This is presented by the new alternative of software development techniques as techniques to composition independent operation unit including business logic and is connected to development of new system. Therefore, this research implemented internal communication Emulate in RS232C based on GUI that apply development techniques of component base. that is, I maked component to commnication control part between receiving and sending and, as composite it, Control part did to handling between send and receive data.
E-Business 컨텐츠를 위한 EJB 컴포넌트 기반의 워크플로우 설계
정화영,방기천,Jeong Hwa-Young,Bang Kee-Chun 한국디지털콘텐츠학회 2002 한국디지털콘텐츠학회논문지 Vol.3 No.2
E-Business part is activated to base on contents for supports various constomer's desire. That is, techniqueses for efficient business transaction processing are studied and Web-Based component technology such as EJB is applied. Thus, this research designed Wokeflow for efficient E-Business contents supervision and processing that apply Web-Based EJB component technology. Accordingly, 1 used web server component model EJB for handling of various contents. Components of function module can improve system development efficiency of reusability, maintenance etc.. to process various contents.
정화영 ( Jeong Hwa Yeong ),정강호 ( Jeong Gang Ho ),손수호 ( Son Su Ho ),김경례 ( Kim Gyeong Lye ),허정욱 ( Heo Jeong Ug ),송홍석 ( Song Hong Seog ) 대한내과학회 1993 대한내과학회지 Vol.44 No.6
A 65 year old man with simultaneously occurring squamous cell carcinoma of mid-esophagus and adenocarcinoma of distal esophagus is reported. There was no continuity between the two masses. Bone scan revealed hot spots in right 3rd, 4th, 5th, and 6th ribs. Both esophageal lesions were responded to treatment with 5-fluorouracil and cisplatin. Fourteen months after the start of treatment, spinal metastasis was developed, but histologically not confirmed. Follow-up esophagoscopic findings at that time revealed 2㎝ sized ulcerative lesion in the distal esophagus only. In this report, we discussed the pathogenesis and treatment of double primary cancers.
세치제의 Sodium Lauryl Sulfate 함유정도에 따른 구취변화
정화영(Jeong, Hwa-Young),정상희(Jeong, Sang-Hee),정미애(Jeong, Mi-Ae) 한국산학기술학회 2010 한국산학기술학회논문지 Vol.11 No.8
본 논문은 SLS의 함유정도를 다르게 한 A(0%), B(1.1%), C(2.2%)의 세가지 실험세치제를 제작하여 구취변 화를 실험하였다. 대상은 전신질환이 없는 20대 성인 150명이었으며 50명씩 세 그룹( A, B, C )으로 나누어 진행되었 다. SLS함량에 따른 세치제의 4주간사용 후 3집단의 구취변화를 황화물가스와 암모니아 양의 변화로 측정한 결과 3 집단 모두 집단내의 변화는 있는 것으로 나타났지만 SLS함량에 따른 상관관계를 본 결과에서는 구강황(r=0.412)과 호 기황(r=0.285)에서만 상관관계가 있는 것으로 나타났다. 이는 잇솔질의 개선으로 인한 변화라고 볼 수 있으며 SLS의 함량이 높을수록 타액분비율을 저하시켜, 구강건조를 유발하므로 구강 황화합물과 호기 황화합물의 수치가 높게 나온 것으로 생각된다. This study used 3 kinds of experimental toothpaste with different contents(0%, 1.1%,2.2% of SLS. A total of 150 young adults in their 20's without any systemic disease were recruited for the study. These 150 subjects were subdivided into three groups(each having 50 subjects) according to the results of preliminary oral examination.After 4 weeks application of the three groups of toothpaste, Group C showed the highest halitosis index, followed by Groups A and B which had similar halitosis indices. Both oral sulfur compound and aerobic sulfur compound were measured at high content possibly because higher SLS content which is associated with the lower salivary flow rate is causing the xerostomia. SLS content was correlated with oral sulfur compound (r=0.412) and aerobic sulfur compound (r=0.285).