Photonic Crystals: Integration of Colloidal Photonic Crystals toward Miniaturized Spectrometers (Adv. Mater. 9/2010)

Kim, Shin-Hyun,Park, Hyo Sung,Choi, Jae Hoon,Shim, Jae Won,Yang, Seung-Man WILEY-VCH Verlag 2010 Advanced materials Vol.22 No.9

<B>Graphic Abstract</B> <P>The cover shows a schematic illustration of patterned colloidal photonic crystals with different bandgap positions. When an unknown light source impinges on the patterned photonic crystals, the light information can be identified from the reflection intensity profile of the constituent photonic crystals. The two optical microscopy images and background image display integrated photonic crystals with 20 different bandgaps spanning the entire visible range, and the SEM image shows the cross-section of the photonic crystal stripes, as reported by Shin-Hyun Kim, Seung-Man Yang, and co-workers on p. 946. <img src='wiley_img_2010/09359648-2010-22-9-ADMA201090022-content.gif' alt='wiley_img_2010/09359648-2010-22-9-ADMA201090022-content'> </P>

고양이에서 실험적 급성신부전이 Mivacurium의 근이완 작용에 미치는 영향

최미영,김정렬,김지응,심규대,신양식 대한마취과학회 1997 Korean Journal of Anesthesiology Vol.32 No.6

Background : Mivacurium is mainly metabolized by plasma cholinesterase. However, the duration of action may be changed in various conditions such as liver dysfunction. To evaluate the action duration and recovery of mivacurium under the experimental acute renal failure, the pharmacodynamic studies were done. Methods : The pharmacodynamic studies were done using a common peroneal nerve-anterior tibialis muscle preparation in 12, either sex, adult cats(weight 2.0∼4.0 kg). The acute renal failure was made by the ligation of bilateral renal pedicles 1 hour prior to the pharmacodynamic study. All the cat received 5×ED95 of mivacurium. The action durations and recovery indices were measured. And plasma cholinesterase activities were measured at each event. Results : The duration of mivacurium was not prolonged with acute renal failure group(17.20 5.48 min.) compared to control group(13.48 4.30 min.). The recovery indices were not increased in the acute renal failure group(3.56 0.58 min.) as compaired with the conol group(2.82 0.99 min.). Conclusions : The mivacurium-induced neuromuscular blockade is not prolonged by the experimental acute renal failure. (Korean J Anesthesiol 1997; 32: 874∼878)

스프레드시트 방식의 OLAP 인터페이스를 위한 시트 분할 기법

신성현,이수안,최훈영,김진호,문양세 강원대학교 정보통신연구소 2007 정보통신논문지 Vol.11 No.-

OLAP(Online-Analytical Processing) is widely used to analyze multidimensional data extracted from a huge size of source operational databases and to provide a useful information for business decision making. OLAP tools provide a variety of ways to analyze and to browse data which are not familiar with end users. But spreadsheet tools like MS Excel are very popular in real-world to calculate some statistics from source data and to analyze them. In this research, we implemented a spreadsheet-like tool on the top of relational databases to support OLAP operations and to browse the results of analytical queries. For implementing the tool, we propose a sheet partition function for spreadsheets which partitions a relational table into multiple sheet based on the number of rows or (dimensional) attribute values. This function can enable users to view a physically stored table as a set of spreadsheets like Excel thus users can browse the stored table as if it is spreadsheets. With this spreadsheet-like interface, users will be able to handle multidimensional data stored in relational databases in more user-friendly way.

Cupola 용탕을 이용한 CV 주철 제조기술 개발

최광림,최양진,신봉문,강세선 한밭대학교 산업과학기술연구소 1994 논문집 Vol.2 No.-

CV cast iron products was carried out in order to cupola process. CV cast iron products by cupola processing were obtained much more than 50kg/㎣ tensile strength and the excellent structure of CV graphite cast iron and gray cast iron. Casting waster due to the depress of pouring temperature by inoculation was reduced by development (improvement) in cast processing.

축산분뇨중의 암모니아성 질소 제거

진양오,최성우,김성우,김익성,신남철,박승조 동아대학교 환경문제연구소 1999 硏究報告 Vol.22 No.2

The purpose of thus study were to investigate the proper conditions of struvite formation in synthetic wastewater and then to apply these conditions to effluent of anaerobic digester of livestock wastewater The conditions of struvite formation had been studied by many researchers. But a little conditions were different among them. Especially, according to suspended solid variation in livestock wastewater was investigated by few researchers. In experiment of synthetic wastewater, the proper conditions of struvite formation were pH 105, l50rpm of mixing rate, 10 minutes of reaction time, and 20 minutes of precipitation time. At same time, the ammonia nitrogen removal rates were about 99.7%, 95.5%, and 96% of synthetic wastewater, raw wastewater, and effluent of anaerobic digester of livestock wastewater at molar ratio of 2(Mg):l(N)2(P) respectively. The larger factor of NH₄/SS constant was, the more effective the removal rate of ammonium nitrogen, SS was, but the less effective COD_(cr), and TOC was. By using XRD analysis, the most certain compound in precipitate of synthetic wastewater was struvite.

임상실습 교육을 위한 임상실습지도자제도(preceptorship)의 모형개발

안양희,최상순,허혜경,임영미,신윤희,박소미,김대란,김기경,김기연 연세대학교 교육대학원 2002 연세교육과학 Vol.50 No.-

The purpose of this study was to construct a modified preceptorship model that could be used to improve the quality of clinical practice for student nurses in the Department of Nursing, Wonju College of Medicine, Yonsei University. Through a literature review, three workshops, and analysis of the preceptorship performance of new nurses, three findings were identified. First, based on the literature review and workshops, a modified preceptorship proposal for clinical practice for student nurses in the hospital setting was developed. It contained standard criteria outlining qualifications and rewards for preceptors, training for preceptors, and regulations concerning reciprocal relations among preceptors, head nurses, clinical instructors, and students. Second, results of the analysis of the preceptorship performance of new nurses in the hospital found implications for improvement of self-esteem and self-confidence and, for burden in overloading. Third, based on the literature review, the modified preceptorship proposal, and the results of the analysis of the preceptorship performance of new nurses, a modified preceptorship model was constructed. The modified preceptorship model for clinical practice for student nurses in both hospital and community settings contained standard criteria outlining qualifications and rewards for preceptors, training and education fur preceptors, and regulations concerning reciprocal relations. The standard criteria for qualification as a preceptor should be at least a BSN, at least two years experience, and leadership ability. Rewards for preceptors could be job conditions. For the training and education of preceptors, the difference between hospital and community settings was the content and duration of training. The common training content for preceptors were objectives, orientation to curriculum and preceptorship, clinical practice guidelines, communication channels between health teams and preceptors, nursing process, nursing interventions, and evaluation. In conclusion, the findings suggest a need fur further study on preceptorship when used to improve the quality of clinical practice for student nurses in the both hospital and community settings. The ultimate goal of the research on preceptorship was not only to help student nurses to enhance their ability in clinical practice, but also to maintain the quality of clinical practice in the professional nurses in any clinical setting.

말초성 신경아세포종 : 두개골 발생 증례 보고 Involving Skull

박양화,권익승,류연석,신미경,최문배,홍승관,문명선 대한신경외과학회 1988 Journal of Korean neurosurgical society Vol.17 No.4

The peripheral neuroblastomas are malignant neoplasms that originate from the adrenal gland and sympathetic nervous tissues. They usually occur in childhood. They exhibit such malignant features that they metastasize early to lung, liver, bone, rarely skull and other structures. The patients with peripheral neuroblastoma have short duration of symptom and short survival period. They reveal the characteristic light microscopic features that resemble other small cell carcinomas. The establishment of final diagnosis of peripheral neuroblastoma needs various special stainings for small cell carcinomas, and the electron microscopic findings are the most reliable. The authers recently experienced a case of peripheral neuroblastoma in a 26-year old man which involved right frontoparietal skull vault. The only chief complaint was a local non-tender mass at right frontoparietal scalp. Neither headache nor any neurological deficits was detected. Simple skull X-ary revealed a punched out rediolucency at right frontoparietal bone and brain CT showed a superficial elliptical high density mass that enhanced strongly. The mass was totally removed by wide craniectomy. The tumor invaded and penetrated the dura but the arachnoid membrane. at the tumor bed was not invaded by the tumor. The tumor was confirmed as peripheral neuroblastoma by various special stainings for small cell carcinomas. Following surgical resection of the mass, post-operative radiotherpy was offered(4800 rads for about 5 weeks). The patient aggrevated progressively and showed numerous metastases to such bones as lumbar vertebrae, pelvis and humerus to became paraplegic. 8 months after the operation, the patient died.

Wolff-Parkinson-White증후군의 임상상 및 전기생리학적 소견

안신기,이문형,장양수,오동진,최인석,하종원,임세중,김병옥,정남식,심원흠,조승연,김성순 대한순환기학회 1997 Korean Circulation Journal Vol.27 No.9

전류제어에 의한 단상유도전동기의 기동특성 개선

박수강,최낙일,백형래,임양수,이기용,신사현 조선대학교 에너지.자원신기술연구소 1998 에너지·자원신기술연구소 논문지 Vol.20 No.1

A single phase induction motor(SPIM) with two windings, main and auxiliary, is probably the most widely used motor in the world due to their ruggedness, low maintenance and simplicity of construction There are several ways of starting single phase motors The most popular arrangements is centrifugal switch An auxiliary winding connected in series with a capacitor, is brought into the circuit during starting The closing and opening of the switch must be speed dependant The switch meets the speed requirements, but it also has many drawback random switching, arcing, many models necessary for different speeds and shaft diameters, space required inside the motors and limited lifetime to name some of them. In this paper, the starting current of single phase induction motor was detected by a small detector and determined TRIAC gate signal. The strategy of current control is based on limited main and auxiliary current angle during starting period in the closed-loop control. The experimental result show the motor's starting characteristics of the proposal starting system and are compared with centrifugal switch starting motor.

토지적성평가 개선방안에 관한 연구

서주환,최현상,양승희,이신형 경희대학교 디자인연구원 2003 예술· 디자인학연구 Vol.6 No.1

Concerning the national land management of Korea, the disordered development in Semi-agriculture and forestry area has been issued since 1990s. Due to the adoption of Semi-agriculture and forestry area system in 1994, and injudicious encroachments in suburb area, the efficient national land management system is facing to difficult problems. Therefore, the Korean government promoted "the reform of national land use plan" as a part of the synthetic counter-plan for preventing the disordered development of national land. The reform of national land use plan has three areas; preserve-management, product-management, plan-management. With these reasonable divided standards, Land Suitable Analysis is executing properly. In this study, we make definitions of Land Suitability Analysis and Land Classification based on previous researches in those areas. This study analyzes the purpose, the evaluation standard, the merits and demerits as well as grading classifications of L.S.A research in domestic, external area. Throughout this method, we point out problems in L.S.A along with solutions. This research suggests that L.S.A could be used as a practical use for the basic standard information of the city planning and land use planning.