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김응수,손병기 경북대학교 센서기술연구소 1990 센서技術學術大會論文集 Vol.1 No.1
An ISFET penicillin sensor was fabricated by forming immobilized penicillinase membrane on the gate of ISFET and its operational characteristics investigated using differential amplification method. The fabricated penicillin sensor showed linear and stable response in the range of 10^(2) ~ 1.7 x 10^(3) mg/dl penicillin concentration.
김수봉,정응호,김정환,류지원 한국정원학회 2002 한국전통조경학회지 Vol.20 No.2
To generate a suggestion for a better framework especially the distribution and locations of urban parks in residential areas, ‘residential site development districts’ in Daegu city were tested based on the community involvement and user’s demand for visting. Service-range, advantage and disadvantage in use derived from the locations of the parks in the districts were analyzed according to the concept of density,character assessment, structure in the distribution and locations. Suggestions to give residents more friendly surroundings with ’easy access’ and ’friendly characteristics of each parks’ are as follows; ⅰ) Although most of the tested sites are satisfying the legal criterion on the required level of size of urban parks in each district, there are big difficulties to have rich natural environment in the case of extensive size of residential sites due to too low applied-criterion(0.6㎡ per person) which is a minimum requirement. ⅱ) Although the rate of size of parks in the sites were gradually improved recently, the portion for each person had not improved at all. Therefore, it is needed that new detailed criteria in different level rooted in the character of individual sites such as population and characteristics of parks. ⅲ) Although the distance of parks is within the range of use, the locations are on the edge of sites and residential districts where is not on the everyday route. Therefore to give more easy accessibility, the urban parks in the residential sites should be located on the daily life route where is a more common area in future plans.
신응배,김미경,홍준혁,공동수 한국물환경학회 2004 한국물환경학회지 Vol.20 No.6
Biological phosphorus removal is characterized by complex interactions between different intracellular components of energy as PHA. Therefore, fundamental understanding of the behavior of the intracellular components and their influence on the removal of phosphorus is essential before control strategies to stabilize the proper process. The purpose of this study is to investigate relationship between release of phosphorus and synthesis of intracellular storage polymer. Mass of stored intracellular storage polymer was 21.2 ㎎ PHA/L, 28.8 ㎎ PHA / g MLSS. And phosphorus release/ intracellular storage polymer synthesis rate was 1.8545 ㎎ stored polymer/㎎ Phosphate. In the aerobic phase, mass of PAOs synthesis is 49.37 ㎎ PAOs/L. And PAOs fraction was 6.7-6.9%. Thus intracellular storage polymer synthesis by PAOs is calculated as 493㎎ PHA / g PAOs.
MOCVD법에 의해 제조된 Fe₂O₃-TiO₂계 박막의 내식성과 광전류 응답 특성에 관한 연구
金顯洙,尹在弘,金明鎬,杉本克久,邊鷹善 國立 昌原大學校 産業技術硏究所 1998 産技硏論文集 Vol.12 No.-
Fe₂O₃-TiO₂ films were formed by MOCVD technique, and their corrosion resistance and photoelectrochemical property were examined in acidic, neutral and alkaline solutions. The corrosion resistance was examined by an anodic polarization test, and the photocurrent response by a photoelectrochemical polarization test. The photocurrent and quantum yield maximum of the films depend on the titanium cationic fraction(Xη) in the films. They decreased in the range of Xη=0.0-0.70, then increased in the range of Xη=0.70-0.95, and finally decreased in the range of Xη=0.91-1.0 with increasing Xηvalue. The increase in the photocurrent and quuantum yield maximum in the range of Xη=0.70-0.95 was attributed to the amorphous structure. Such a change in the photocurrent and quantum yield maximum was independent to the solution pH. The corrosion resistance of the films increased with increasing Xηvalue of the film in acidic, neutral and alkaline solutions. Therefore, the films with Xη=0370-0.95 can be concluded to have high photocurrent response and high corrosion resistance.
폐선암조직에서 Neutral Ribonuclease의 분리와 성상에 관한 연구
김응수,고재경,지행옥 한양대학교 의과대학 1993 한양의대 학술지 Vol.13 No.1
Concentrations of nucleic acids and proteins were determined in adenocarcinoma tissue of the lung and were compared with those in the control lung tissue. Also studied were properties of the neutral RNase specific to the lung cancer to investigate the possible role of the RNase in process involved in carcinogenesis of adenocarcinoma of the lung. DNA and protein centents were unchanged, but RNA content was increased in adenocarcinoma tissue of the lung. Neutral RNase activity was unchanged in the cancer tissue, indicating that the RNase could not be used as a marker for the lung cancer. Proteins and neutral RNase in adenocarcinoma tissue of the lung were separated by a DEAE-cellulose column chromatography into 7peaks each, of which the peak I neutral RNase isozyme was not found in the control lung tissue. This indicated that the peak I neutral RNase was specific to the adenocarcinoma of the lung. The peak I neutral RNase isolated from the adenocarcinoma tissue of the lung did not hydrolyze single stranded (ss) polydeoxyribonucleotides and double stranded (ds) polynucleotides, but hydrolyzed ss polyribonucleotides. The enzyme was observed to be highly active toward poly C, poly U and RNA, indicating that the RNase appeared to be mixed type of secretory and nonseretory RNase. The peak I RNase was not active toward A-A and G-G linkages, but unusually highly active toward A-C and A-U linkages (4 to 6 fold as active as C-C linkage). These results indicated that the peak I neutral RNase isolated from the adenocarcinoma of the lung was (1)specific to the lung cancer. (2) mixed type of seretory and nonsecretory enzymes, (3) unusually highly active toward A-C and A-U linkages of ss polyribonucleotides and RNA, suggesting that the RNase might play roles in processes involved in carcinogenesis and suppression of cancer.
ENHANCED HUMUS FORMATION IN A SUBSTRATE- CONTROLLED COMPOSTING REACTOR
황은주,김준수,전관수 대구대학교 환경기술연구소 2004 미래환경기술 Vol.1 No.1
A substrate-amended fed-batch composting of food waste was investigated and its effect on humus formation and cellulose decomposition were studied. Various substrates were added to the reactor in fed-batch mode while no additional feed was introduced into the other reactor for comparison. Active composting was prolonged by the amendment of substrate. Cellulose composition changed from initial value of 33.4% to 32.6% in conventional batch composting. Cellulose decreased to 30.2% in the substrate-amended, fed-batch composting. It decreased further to 24.2% when the amount of substrate amendment increased in the fed-batch composting. Humus formation was enhanced in the substrate-amended composting. Humic substances were produced more in the fed-batch composting (7.47% and 8.76%) as compared to conventional batch composting (7.12%). About 5% to 23% increase in humic substance was achieved in the fed-batch composting. It was confirmed that the substrate-amended, fed-batch composting improved the degradation of cellulose and the formation of humus.
극박 oxide막의 전기적 특성에 영향 미치는 다결정 실리콘 게이트의 열처리효과
김응수 부산 외국어 대학교 2001 外大論叢 Vol.22 No.1
The annealing effects on micro-structures and electrical properties of amorphous silicon gate and of thin gate oxide were observed.The amorphous silicon gate was crystallized by post gate anneal.The resistivity of gate was decreased due to the increse of dopant activation rate as increasing the annealing temperature.The electrical properties of thin gate oxide are improved by post gate anneal at higher temperatures.Particularly, the interface trap density at oxide/silicon decreases with the increase of annealing temperature.
오광수,문수경,이응호,김복규 國立統營水産專門大學 附設 水産科學硏究所 1994 수산과학연구소보고 Vol.5 No.-
정어리 냉동고기풀의 최적 가공조건은 원료 정어리를 알칼리 염수수세한 후 정어리 육에 대해 분리 대두단백질:물:정제 정어리유(1:5:2.6)로 만든 유화커드를 20%, 솔비톨 4%, 설탕 4%, 중합인산염 0.2% 및 항산화제로서 에리소르빈산나트륨을 0.1% 첨가하여 고기갈이한 후 -35℃에서 급속동결시켜 carbon box로 포장하여 동결저장한 제품이 가장 좋았다. 본 제품의 수분 함량은 73.3%. 조단백질 15.0%, 조지방은 6.9%였으며, 생균수는 1.6~l.8X10^4/g으로 동결저장 중 변화는 거의 없었다. 제품의 주요 구성지방산은 16:0, 16:1, 18:1, 20:5 및 22:6 등으로 고도 불포화지방산이 47.7% 함유되어 있었다. 동결저장 중 120일 동안 제품의 물성, 지질산화 및 지방산의 변화 등을 측정한 결과, 유화커드와 에리소르빈산나트륨을 첨가함으로서 동결저장 중 단백질 변성, 지질의 산화 및 변색을 효율적으로 억제 시킬 수 있었으며, 품질이 안정하게 유지되었다. 한편, 본 시제품과 명태 냉동고기풀을 혼합하여 가공한 어묵의 품질을 측정한 결과, 어묵의 품질에 큰 저하됨이 없이 명태 고기풀을 본 정어리 고기풀로 40%까지 대체할 수 있었으며 어육의 풍미를 갖는 연제품을 가공할 수 있다는 결론을 얻었다. The processing conditions and quality of sardine surimi were examined: Raw sardine meat was separated, washed in 0.2% NaHC0_3 and 0.15% NaCl solution, and then dewatered by centrifuge. The dewatered sardine meat was chopped, mixed with 20% emulsion curd (soybean protein : water : refined sardine oil= 1 : 5. 2.6), 4% sorbitol, 4% sucrose, 0.2% polyphosphate and 0.1% sodium erythorbate by stone mortar. The mixed sardine meat was frozen with contact freezer, packed in carton box and then stored at -25±2℃. The moisture, crude protein and lipid contents of the sardine surimi product was 73.3%, 15.0% and 6.9%, respectively. Fatty acid composition of product consisted of 28.8% of saturates, 24.3% of monoenes and 47.7% of polyenes and the major fatty acids were 16:0, 20 5, 18:1, 22:6 and 16:1. The results of changes in POV, TBA value, fatty acids, texture and sensory score of products during frozen storage showed that lipid oxidation and freeze denaturation of product could be retarded, and flavor enhanced by addition 20% emulsion curd and 0.1% sodium erythorbate. In an attempt to apply sardine surimi in producing surimi-based product, it was concluded that Pollack surimi could be substituted with sardine surimi up to 40% without showing any significant changes in texture and taste of surimi-based product.
金洙賢,李應昊,韓鳳浩,金世權 釜山水産大學校 1978 釜山水産大學 硏究報告 Vol.18 No.1
1976年 以來 우리나라에서 漁獲量이 急增하고 있는 정어리를 보다 效率的으로 食用化하기 위한 方法을 檢討하기 위하여 粉末燻乾정어리의 加工 및 貯藏에 관한 實驗을 하였다. 製品은 水分이 11.7%, 脂肪이 22.9%, 蛋白質은 61.7%였고, 原料 fillet에 대한 收率은 16.8%였으며, 담백한 맛과 燻乾品特有의 香氣가 있었다. 그리고 製品은 탄산가스 중에 貯藏하면 貯藏 중 酸化酸量의 變化가 거의 없고 品質을 安全하게 保藏할 수 있다는 結論을 얻었다. Since 1976 the catches of sardine have been increased rapidly in Korea. A processing method of smoked sardine meat powder and its quality changes during storage were studied. The fillets of raw sardine meat were boiled at 98℃ for 1 hour in a wire basket. After cooling at room temperature, the boiled fillets which small bones were removed were smoked at 60-70℃ for 8 hours. The second smoking was carried out under same conditions after 24 hours. The products were cleaned with brush and then powdered. The contents of moisture, lipid and protein were 11.7%, 22.9% and 61.7%, respectively. The yield of the product to the weight of raw fillet was 16.8%. According to the results of panel test, the product was well accepted having meaty taste and characteristic smoky flavor. The amount of oxidized acid in the product increased only a little during the storage in carbon dioxide gas.