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설계사무소 남성 및 여성종사자의 직무 교육활동 실태분석
정현용 ( Jeong¸ Hyun-young ),이준용 ( Lee¸ Jun-yong ),신원상 ( Shin¸ Won-sang ),손창백 ( Son¸ Chang-baek ) 한국건축시공학회 2021 한국건축시공학회 학술발표대회 논문집 Vol.21 No.2
In the construction industry, due to the nature of the job, the need for job training to maximize the performance of the job and to improve the organization's qualifications is needed to acquire professional knowledge that is practiced according to the training needs of the members of the organization. In the form of education, the government or the government or the government provides systematic and planned professional job training that is implemented to improve qualifications and instill pride in the profession by helping the employees of the design office acquire new knowledge, skills, and attitudes necessary for professional performance. Although it is recommended at the organizational level, as a result of examining the implementation, it was found that most workers did not receive job training activities. Therefore, follow-up studies that can maximize work efficiency at the individual and organizational level of design office workers should be continuously performed.
김선영(Sun Young Kim),김진희(Jin Hee Kim),이경태(Kyung Tae Lee),이승민(Seung Min Lee),김석현(Seok Hyun Kim),이병석(Byung Seok Lee),김남재(Nam Jae Kim),정현용(Heon Young Jeong),이헌영(Heon Young Lee),김영건(Young Kun Kim) 대한내과학회 1999 대한내과학회지 Vol.56 No.5
N/A Objective : Eradication of H. pylori not only results in ulcer healing, but reduces recurrences essentially curing peptic ulcer disease. The purpose of this study was to evaluate the eradication rate of H. pylori and side effects with regard to three drug regimens. Methods : 96 patients were included and divided into three groups: 14 patients(group 1: OA) received omeprazole(20 mg b.i.d.) and amoxicillin(1.0 gm b.i.d.) for 14 days ; 12 patients (group 2: BAM) received colloidal bismuth subcitrate(CBS)(120 mg b.i.d.), amoxicillin(500 mg q.i.d.) and metronidazole(250 mg q.i.d.) for 14 days. ; 70 patients(group 3: OAC) received omeprazole(20 mg b.i.d.), amoxicillin(500 mg q.i.d.) and clarithromycin(250 mg q.i.d.) for 10 days. The diagnosis of the status of H. pylori was made by histology or culture or rapid urease test(CLO test). Results : 1) The eradication rate of H. pylori was higher group 2(91.7%) and group 3(91.4%) than group 1(57.1%). 2) The total failure rate regardless of the regimens (n=96) was 13.5%(13 patients). 10 patients whose treatment failed were randomly assigned to receive retreatment with the alternative regimen of BAM or OAC. In retreatment group(n=10), the eradication rate of H. pylori infection was achieved in 100 %. 3) The side effects were oral burning sensation, odynophagia, nausea, epigastric pain, diarrhea, constipation, gas bloating. The side effects were negligible. Conclusions : 10-day therapy with omeprazole, amoxicillin and clarithromycin(OAC) achieved eradication rate of 91.4 %. The side effects were few and negligible. 10-day therapy with OAC was a safe and very effective regimen for the eradication of H. pylori infection.
[안전] 새로운 충돌판별 알고리즘과 가속도 센서의 위치
정현용(Hyun-Yong Jeong),김영학(Young-Hak Kim) 한국자동차공학회 1999 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1999 No.11_2
Several metrics have been used in crash discrimination algorithms in order to have timely airbag deployments during frontal crashes. However, it is still challenging to have timely airbag deployments during oblique crashes, pole crashes and underride crashes. In this paper, a new crash discrimination algorithm was proposed, using the deceleration squared multiplied by the velocity change as a metric. The new crash discrimination algorithm resulted in appropriate time-to-fires for many modes of frontal crashes. In this paper, the deceleration pulses measured at the left and right B-pillar' rocker locations during oblique and offset crashes were also processed to determine the time-to-fires of the driver airbag and the passenger airbag. The deceleration pulses resulted in appropriate but different time-to-fires for the driver airbag and the passenger airbag, and this implies feasible accelerometer locations especially for an advanced airbag system.
정현용(Hyun-Yong Jeong),김영학(Young-Hak Kim) 한국자동차공학회 2000 한국 자동차공학회논문집 Vol.8 No.6
Several metrics have been used in crash discrimination algorithms in order to have timely air bag deployment during all frontal crash modes. However, it is still challenging to have timely air bag deployment especially during the oblique, the pole and the underride crash mode. Therefore, in this paper a new crash discrimination algorithm was proposed, using the absolute value of the deceleration change multiplied by the velocity change as a metric, and processing the metric as a function of the velocity change. The new algorithm was applied for all frontal crash modes of a minivan and a sports utility vehicle, and it resulted in timely air bag deployment for all frontal crash modes including the oblique, the pole and the underride crash mode. Moreover, it was proposed that an accelerometer be installed at each side of the rails, rockers or pillars to assess the crash severity of each side and to deploy the frontal air bags at different time especially during an asymmetric crash such as an oblique and an offset crash. As an example, the deceleration pulses measured at the left and right B-pillar . rocker locations were processed through the new algorithm, and faster time-to-fires were obtained for the air bag at the struck side than for the air bag at the other side.
Monte Carlo 방법을 이용한 충돌 판별 알고리즘의 신뢰성 평가
김영학(Young-Hak Kim),정현용(Hyun-Yong Jeong) 한국자동차공학회 2001 한국 자동차공학회논문집 Vol.9 No.4
The Monte Carlo method was used to evaluate the reliability of crash discrimination algorithms. Through the Fast Fourier Transformation, crash pulses obtained during frontal crash tests of a mini van and a sports utility vehicle were transformed to signals in the frequency domain, and the signals were divided into basic signals and changeable signals. The changeable signals were modified through random generation, and they were combined with the basic signals. Then, the combined signals were transferred back to the time domain. In this way numerous crash pulses could be generated. For the generated pulses, crash discrimination algorithms were evaluated by examining whether they did not result in air bag deployment for the pulses requiring no air bag deployment and whether they resulted in time-ta-fires faster than required time-to-fires for the pulses requiring air bag deployment. The crash discrimination algorithm in which the absolute value of the deceleration change multiplied by the velocity change or the summation of the absolute value of the deceleration change was used as a metric was proven to be highly reliable.
김영건(Young Kun Kim),이복희(Bok Hee Lee),정선묵(Seon Muk Jeong),정현용(Hyun Yong Jeong),김연길(Yun Keel Kim) 대한소화기학회 1984 대한소화기학회지 Vol.16 No.2
N/A A clinical analysis was performed in 408 patients with peptic ulcer among the various upper gastrointestinal diseases(2108 cases), who were diagnosed gastroduodenoscope at the endoscopic room of Chung Nam National University Hospital during period from January 1980 to August 1984. The results were as',follows: I) Of the total 2108 cases, the main diseases were gastritis(28.5%), gastric cancer(195 benign gastric ulcer(11.5%), etc, in order of frequency. 2) The symptoms of peptic ulcer were epigastric pain or discomfort(83.5%), melena or hematemesis(39.4%), indigestion, etc. 3) Of the 408 cases with peptic ulcer, 239 cases(58%) were gastric ulcer, 144 cases(35%) were duodenal ulcer and others were gastroduodenal combined ulcer. 4) Of the 408 cases with peptic ulcer, 339 cases (83.1%) were male and 68 cases(16.9%) were female. The male to female ratio was 5:1 and the highest number was in the 3th decade (26.2%). Gastric ulcer was distributed most commonly in the 6th decade(32.6%) and had high male to female ratio(6:1). Duodenal ulcer was been relatively younger age of the 4th decade(25%) and 5th decade(24%), had low male to female ratio(3.5:1). 5) In the annual distr ibution of peptic ulcer from to 1984, gastric ulcer was 29.9%, 69.8%, 62.0%, 54.1%, 51.1%, respectively and duodenal ulcer was 28.6%, 27.9%, 33.8%, 37.8% and 40%. And there was evidence of increasing tendency in duodenal ulcer. 6) The most common prevalent site of gastric ulcer in all age was gastric angle. The more old age, the upper stomach was involved. The most favorable site of duodenal ulcer was bulb (81.2%) and pyloric canal(17.4%). 7) The most frequent size of gastric ulcer(34.6%) was from l.0 cm to 1.9 cm. And that of duodenal ulcer was from pinhead to 0. 4cm(50.2%). 8) Among the 408 cases who has been confirmed peptic ulcer by gastroscopy, 219 cases have been taken UGI examination concomitantly. The concordance rate of gastric ulcer, duodenal ulcer svas 70%and 76.9%, respectively.
[SAFETY 부문] Monte Carlo 방법을 이용한 충돌 판별 알고리즘의 신뢰성 검증
김영학(Young-Hak Kim),정현용(Hyun-Yong Jeong) 한국자동차공학회 2000 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
The Monte Carlo method was used to evaluate the reliability of crash discrimination algorithms. Through the Fast Fourier Transformation, crash pulses obtained during frontal crash tests of a mini van and a sports utility vehicle were transformed to the frequency domain, and basic signals and changeable signals were determined. By modifying the changeable signals through random generation and combining the modified signals and the basic signals, numerous crash pulses Could be generated For the generated pulses, crash discrimination algorithms were evaluated by examining whether they resulted in time-to-fires faster than required time-to-fires for the pulses requiring air bag deployment and whether they did not result in air bag deployment for the pulses requiring no air bag deployment The crash discrimination algorithm in which the summation of the absolute value of the deceleration change or the absolute value of the deceleration change multiplied by velocity was used as a metric was proven to be highly reliable.
송영욱 ( Young Wook Song ),김우섭 ( Woo Sub Kim ),윤지용 ( Gee Young Yun ),박선욱 ( Sun Wook Park ),강선형 ( Sun Hyung Kang ),문희석 ( Hee Seok Moon ),성재규 ( Jae Kyu Sung ),정현용 ( Hyun Yong Jeong ) 대한소화기학회 2016 대한소화기학회지 Vol.68 No.1
Many neoplasms, including lung cancer, breast cancer, melanoma, and gastrointestinal tract malignancy, possess potential for skin metastasis. Skin metastases can represent the first presentation of such malignancies and may be observed incidentally during routine exam. Skin metastases from gastric adenocarcinoma are uncommon, with a prevalence rate of 0.04-0.8%. Cutaneous metastases from gastric cancer are generally observed as the initial symptom of advanced gastric cancer. Early detection and treatment can increase patient survival. A 42-year-old woman visited our department with nodule about 1 cm in size on the right frontal scalp noticed incidentally after laparoscopy-assisted distal gastrectomy and adjuvant systemic chemotherapy for early gastric cancer about 16 months prior. The patient was diagnosed with skin metastasis from gastric adenocarcinoma. Complete excision of the skin lesion and additional chemotherapy were performed. Herein, we report a case of nodular tumor-like scalp metastasis from early gastric cancer with a brief review of the literature. (Korean J Gastroenterol 2016;68:36-39)