http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
간접접촉형 실내조명 스위치의 설계 및 접촉부 절연물질별 스위칭 동작감도 고찰
최준영(Joon-Young Choi),강병철(Byung-Chul Kang),이창익(Chang-Ik Lee) 한국조명·전기설비학회 2009 조명·전기설비학회논문지 Vol.23 No.4
입력부 근방의 정전용량 변화를 감지하여 동작하는 간접접촉형 실내조명 스위치를 설계하고 제작했다. 그리고 간접접촉 스위치의 입력 전극에 설치된 커패시터의 정전용량을 변화시켜가며 간접접촉을 감지하는 입력 전극을 절연하는 물질의 두께 및 종류 변화에 따른 동작 감도를 측정한 결과를 표와 그래프로 나타냈다. 절연 물질은 유리, 아크릴, 그리고 나무(MDF)였는데, 이들의 유전율은 상당히 다르지만 스위치의 동작 감도는 유전율의 차이만큼 크지 않은 것이 확인되었다. Indirect Touch switch which detects the change of capacitance around the electrode of QT113H chip from QPROX is designed and assembled. Sensitivity analysis of dielectric materials which prevents electrodes from direct touch is performed and the results are displayed in tables and graphs. Glass, acryl, and MDF is used to insulate the electrode and to measure the operating sensitivity of indirect touch switch. While the difference of permittivity of the dielectric materials are large, it is confirmed that the operating sensitivity of each dielectric materials are not so large as the differences of those of dielectric materials.
조삼권(Sam Kwon Cho),정영호(Young Ho Jeung),이창익(Chang Ik Lee),황만근(Man Keun Whang),김정훈(Jeung Hun Kim),김동욱(Dong Wuk Kim),허충(Chung Hur),이진관(Jin Kwan Lee) 대한소화기학회 2001 대한소화기학회지 Vol.38 No.3
Benign and malignant tumors are rarely encountered in the small intestine. Moreover, small bowel metastases arising from the lung carcinoma are very unusual. They often present as intestinal perforation and show a poor prognosis. We report a case of jejunal metastasis from sqamous cell carcinoma of the lung. The patient of this case complained of abrupt epigastric pain and vomiting. On phyical examination, we found whole abdominal tenderness and rebound tenderness. The free air was detected on chest radiography. Abdominal exploration confirmed multiple metastases on the jejunum and the liver, and revealed squamous cell carcinoma on the resection segment of the jejunum. The patient was discharged 9 days after palliative surgery without serious complication and died 2 months later. We report the case of small bowel metastasis from primary squamous cell carcinoma of the lung. (Korean J Gastroenterol 2001;38:211-214)