http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
열전모듈을 이용한 컵홀더의 냉각 성능에 관한 실험적 연구
김형범(Hyung Bum Kim),강병하(Byung Ha Kang),이근희(Keun Hee Lee) 대한기계학회 2014 대한기계학회 춘추학술대회 Vol.2014 No.11
Thermoelectric modules (TEM) have been integrated into many aspects of our lives. Depending on the current direction, a TEM is able to heat or cool a surface. Thermal analysis on the cooling performance of a vehicle cup-holder using a TEM was conducted in order to predict a beverage’s temperature. This analysis was followed experiments which verified this analysis. The performance test was conducted by measuring the change in inner wall temperature and change in beverage temperature over a 30 min. Results from this experiment showed agreement between the initial predicted temperatures and the actual tested beverage temperatures.
전기 모터를 이용한 지반 굴착에서의 지반 데이터 분석 프로그램 개발
김민재(Min-Jae Kim),김형범(Hyung-Bum Kim),조성제(Seong-Je Cho),윤재근(Jae-Keun Yoon) 한국정보과학회 2007 한국정보과학회 학술발표논문집 Vol.34 No.1C
최근 모든 분야에 대한 전산화가 가속화됨에 따라 업무 처리 능력의 향상과 함께 시간 비용의 절감을 이루고 있다. 이러한 추세와 함께 건설 분야에서의 전산화가 진행 중이다. 본 논문에서는 굴착장비의 전류 값과 굴착 깊이 계측을 통해 깊이에 따른 지반 강도를 전산화 시켜 추정함으로써 보다 합리적으로 말뚝 기초를 시공하는 방법 개발하고자 한다. 본 시스템은 건축, 토목, 건설 분야에서 국내 최초로 시도되는 것으로, 실제 공사 현장에서 획득되는 데이터의 분석을 도와 측정 오류(Human Error)를 최소화함은 물론 공사비 절감, 신속한 공사 정보 제공 등의 파급효과를 기대할 수 있다.
식이보충제로 사용되는 히알루론산의 분석법에 대한 불확도 산정
박상욱(Sang-Wook Park),김형범(Hyung Bum Kim),김광준(Kwang Joon Kim),이원재(Wonjae Lee) 한국생물공학회 2017 KSBB Journal Vol.32 No.1
This study aimed to estimate the measurement uncertainty related to determination of hyaluronic acid used as a dietary supplement by high-performance liquid chromatography. According to the guidelines of the Association of Official Analytical Chemists, the analytical processes for determination of hyaluronic acid were performed. And the measurement uncertainty obtained during the analytical processes were expressed in accordance with mathematical/ statistical guidances of GUM (Guide to the Expression of Uncertainty in Measurement) & EURACHEM (Focus for Analytical Chemistry in Europe) for the analytical operations. For the uncertainty in measurement produced based on this analytical method, the expanded uncertainty was calculated by using the relative standard uncertainty between analytical results and sources of uncertainty in measurement (sample weight, final volume, extraction volume, standard solution, matrix and instrument etc). In the results of 95% confidence interval, it was calculated that the uncertainty in measurement was 57.75±8.76 μg/kg (k=2.0). Therefore, it showed that the measurement uncertainty obtained by this analytical method influences on 15.2% of the contents of hyaluronic acid as the analytical results.
박기정,유규하,이성희,이창형,정진백,이재근,허찬회,김형범,최민용,김용우,황상연,정재훈,구자중,홍혜경,임경택,강세구,곽지영,Park, Ki-Jung,Ryu, Gyu-Ha,Lee, Sung-Hee,Lee, Chang-Hyung,Jung, Jin-Baek,Lee, Jae-Keun,Hur, Chan-Hoi,Kim, Hyung-Bum,Choi, Min-Yong,Ki 대한의용생체공학회 2010 의공학회지 Vol.31 No.6
For approval of medical devices manufactured or imported, submission of technical documents as well as the application form is required. The manufacturer (or importer) should properly identify the raw materials the applied product is made of and the manufacturing processes the product undergoes before it is shipped in the application form. In the technical documents, scientific data to evaluate the efficacy, safety, and quality of the applied product that has been described in the application form should be provided. Therefore, identifying the raw materials that were used for the parts of the applied product and describing the physical and chemical characteristics of the raw materials are quite important and essential in ensuring the efficacy, safety, and quality of the applied product. To describe the physical and chemical characteristics of the raw materials correctively, the applicant is required to have broad knowledge in the scientific fields such as chemical, polymer, metal, and ceramic science and engineering. But most of the applicant are not experts in these fields, so that the description in the application form often includes wrong and improper descriptions. Thus, we developed a guideline which explains the raw materials for medical devices, show the their examples. The purpose of this description guideline is to help the applicant properly completing the "Raw materials or constituents and their volumes" part in the application form.
개인휴대통신 기지국용 적층된 마이크로스트립 안테나 설계
박종성(Jong Sung Park),전주성(Joo Seong Jeon),김형범(Hyung Bum Kim),김동원(Dong Won Kim),진성우(Sung Woo Jin),이진(Jin Lee),이윤현(Yun Hyun Lee) 한국항행학회 2000 韓國航行學會論文誌 Vol.4 No.1
In this paper, the design for a PCS base station antenna which is using broadband method by a stacked structure has been studied. The sensitive parameters, such as the parasitic elements, the height of air layer between the upper and lower patch, and the variation of feed point, of the microstrip antenna that has stacked structure in a characteristics variation situation are classified and the characteristics has been investigated through the simulations. A designed antenna has following characters. Impedance bandwidth is 257.5MHz(VSWR≤2), horizontal beamwidth is 64.1°, and gain is 14.7㏈i. Therefore, it is confirmed the characteristics is good. In this paper, through the designing of a stacked microstrip antenna, we has investigated the availability for Korea PCS base station antenna.