소나무(Pinus densiflora) 목질을 이용한 수용액 중의 Cu(II)흡착

김하나,박세근,양경민,김영관 강원대학교 산업기술연구소 2007 産業技術硏究 Vol.27 No.A

Milled Korean pine (Pinus densiflora) wood was used to evaluate its adsorption capacity of Cu(Ⅱ) ions from aqueous solution by running a series of batch experiments. Prior to the tests, the milled woods were pretreated with 1N NaOH, 1N HNO_(3), and distilled water, respectively, to examine the effect of pretreatment. Within the tested pH range between 3 and 6, copper adsorption efficiency of NaOH-treated wood(96~99%) was superior to the HNO_(3)-treated wood(19~31%) and distilled water-treated wood(18~35%). The efficiency of copper removal by wood enhanced with increasing solution pH and reached a maximum copper ion uptake at pH 5~6. Adsorption behavior of copper onto both raw and HNO_(3)-treated woods was mainly attributed to interaction with carboxylic acid group. For NaOH-treated wood, carboxylate ion produced by hydrolysis or saponification was a major functional group responsible for Cu sorption. NaOH treatment of wood changed the ester and carboxylic acid groups into carboxylate group, whereas HNO_(3) treatment did not affect the production of functional groups which could bind copper. A pseudo second-order kinetic model fitted well for the sorption of copper ion onto NaOH-treated wood. A batch isotherm test using NaOH-treated wood showed that equilibrium sorption data were better represented by the Langmuir model than the Freundlich model.

飼料作物 Alfalfa(Medicago sativa L.)品種別 生育狀에 대하여

김무성,노영덕,김세영,백남인,정우진 경희대학교 부설 식량자원개발연구소 1996 硏究論文集 Vol.17 No.-

서로 특성이 다양한 32개의 도입한 Alfalfa품종을 우리나라 중부지역인 충청남도에 재배하여 초장과 건물중 등의 생육상태를 비교, 검토한 결과는 다음과 같다. 1. 평균초장이 큰 상위 10개 품종들은 Dekalb brand 135 > Diamond > Pioneer brand 581 > Raidor > Pioneer brand532 > Pierce> Nitro > Sparta ) Florida 77 > Sapphire의 품종순 이 며, 초장이 작은 10개 품종을 최하위 순으로 열거하여 보면 Salute < Spredor 2 < LS-1920 < Arrow < Challenger < Milkmaker < Armor < Pioneer brand 545 < Pioneer brand 5262 < Saranac의 품종 순이였다. 2. 총건물 수량이 많은 상위 10개 품종들은 Diamond > Nitro > Dekalb brand 120 > Dekalb brand 135 > Drummer > Saranac > Sapphire > Raider > Magnum > Dekalb brand 167의 품종 순이며, 건물수량이 적은 최하위 순으로 10개 품종은 Milkmaker < Pioneer brand 526 < Pioneer brand 5262 < Salute < Pioneer brand 555 < Decathlon < Pioneer brand 5929 < LS-1920 < Pioneer brand 581 < Husky의 품종들이였다. 3 평균초장과 총건물 수량의 결과를 비교하여 보면 대체로 초장이 우세하였거나, 열세하였던 품 종들이 다소간 건물수량이 우세하거나 열세하였으며, 정비례한 결과는 보이지 아니하였다. 4. 생육상태 및 건물수량이 모두 좋은 품종들은 Diamond, Nitro, Dekalb brand 135, Sapphire, Raidor품종들이며, 우리나라 중서부지역의 재배환경에 적합한 품종으로 사료된다 This study was conducted to select the best adapted alfalfa cultivars among the 32 introduced alfalfa cultivars with different characteristics in Chung-Chong Nam Do, Korea, environmental condition. Mean of plant height and total dry matter yields per cultivar from May to August in 1996 were determined. On the point of mean of plant height, ten high ranked cultivars among the 32 alfalfa cultivars in high order were Dekalb brand 135>Diamond>Pioneer brand 581>Raidor>Pioneer brand 532>Pierce>Nitro>Sparta>Florida 77>Sapphire and ten low ranked cultivars in low order were Salute<Spredor 2<LS-1920<Arrow<Challenger<Milkmaker<Armor<Pioneer brand 545<Pioneer brand 5262<Saranac. Ten high ranked cultivars from 32 alfalfa cultivars on the total dry matter yields in high order were Diamond>Nitro>Dekalb brand 120>Dekalb brand 135>Drummor>Saranac>Sapphire>Raidor>Magnum>Dekalb brand 167 and ten low ranked cultivars in low order were Milkmaker<Pioneer brand 526<Pioneer brand 5262<Salute<Pioneer brand 555<Decathlon<Pioneer brand 5929<LS-1920<Pioneer brand 581<Husky. Total dry matter yields of per cultivar was also slightly greater but It was not appeared direct proportion when alfalfa cultivar was appeared higher mean of plant height compared with those which were lower mean of plant height. Leading alfalfa cultivars for plant growth and dry matter yields were Diamond, Nitro, Dekalb brand 135, Sapphire, Raidor cultivar which can be well grown under moderate temperatures zone of midwest in Korea.

집단에 따른 노인들의 자가건강관리행태, 일상생활수행능력, 신체적 자기효능감에 관한 연구

김세종,이의철,염원상,서혜림,백영호 釜山大學校 附設 體育科學硏究所 1998 體育科學硏究所 論文集 Vol.14 No.-

This study was carried out to identify the status of self-care, activity of daily living and physical self-efficacy among aged people in Pusan and thus to provide basic data for maintaining health, making affirmative-self among elders. The subjects of this study were 761 elders 65years and over in Pusan. The means of measurement used were the status self-care scale, activity of daily living scale and physical self-efficacy scale. The data was used by One-way Anova, Duncan's Multiple Range and Pearson's Correlation Coefficient as statistical method. The level of significance of all hypotheses tested was p<.05 and the results were as follows; 1) Aged people who participated in elderly academy classes was higher than other groups in the status of self-care statistically significant. 2) Aged people who participated in elderly academy classes and elderly houses ·respect for age association and group were higher than other groups in activity of daily living statistically significant. 3) Aged people who participated in elderly academy classes, elderly house ·respect for age association and just stay at home group were higher than other group in physical self-efficacy statistically significant. 4) Aged people's status of self-care, activity of daily living and physical self-efficacy was statistically significant correlation with each other.

구순구개열환자에서 자가입자망상골을 이용한 이차성 치조골이식에 관한 임상적 연구

김종렬,진성준,조영철,표세정,변준호 대한악안면성형재건외과학회 2001 Maxillofacial Plastic Reconstructive Surgery Vol.23 No.2

Purpose : This study is conducted to evaluate the clinical success of secondary alveolar bone grafting using autogenous iliac particulate cancellous bone marrow in cleft maxilla. Materials and methods : We evaluated 107 cleft patients who had been admitted to the Dept. of Oral and Maxillofacial Surgery of Pusan National University Hospital from January 1, 1991 to January 31, 1999 and had been performed secondary alveola bone grafting with autogenous particulated cancellous bone marrow from iliac crest. Results : 1. Men were 70 and women were 37, which shows 65.4% and 34.6% and the proportion of males to females was 1.9: 1. Unilateral cases were 89(83.2%) and bilateral cases were 18(16.8%). 2, Age of bone grafting is widely distributed from 7 to 29, and the average was 13.2. 3. Success rate was 97.8% in unilateral cases, 94.4% in bilateral cases. Overall success rate was 96.7%. 4. We evaluated the bone graft contour by the percentage of bone attachment level adjacent to the alveolar cleft and the menial side showed 82.4% and the distal 87.7%. 5. The amount of notching the alveolar ridge at the grafted site through the ratio of notching length up to the most apical base to the length of proximal segment anatomic root was 0.19.

不織布의 構成條件에 따른 壓縮彈性의 變化에 관한 硏究

金泳錫,申鉉世 崇田大學校 1983 論文集 Vol.13 No.1

Lately, non-woven fabric is used for materials of industry, and the uses of the fabric are increasing continuously. The purpose of this study is to investigate the difference of compressional properties in various structures of non-woven fabrics and is to research into the effective forming conditions to improve the quality of above fabric. The results of this study are summarized as follows; 1) If non-woven fabric has same packing factor, the works of compression and recovery are increasing proportionally by the increase of thickness. 2) If non-woven fabric has same thickness, compressibility is decreasing proportionally by the increase of packing factor. 3) The compressional properties of non-woven fabric are related deeply to the properties of composed fibres. The good compressional properties are obtained when composed fibre has a good elastic recovery. From the above results, it is recognized that suitable fibre, thickness and packing factor are very important conditions in manufacturing of non-owven fabric.

부산 금정산 주변 지하수의 수질 특성

김정숙,함세영,한석종 부산대학교 환경문제연구소 1998 環境硏究報 Vol.16 No.-

The purpose of this study is to examine chemical characteristics of groundwater for granitic and andesitic rocks in the vicinity of Mt. Geumjung, Pusan city, to establish the possible hydrogeochemical model of groundwater, and to evaluate the potential of groundwater pollution. According to the Piper diagram, groundwater in the study area mostly belongs to Ca^2^+-HCO_3 and Na^+-HCO_3 types. High concentration of Ca^2^- and Na^+ in groundwater are ascribed to the dissolution of plagioclase. Statistical methods (correlation analysis and factor analysis) were introduced to make the interpretation of analyzed data. Factor 1, consisting of pH, EC, Na^+, K^+, NH_4^+, Cl^- SO_4^2 and NO_3^-, explains the: effects of water-rock interaction such as dissolution of plagioclase and mica, and the influence of anthropogenic sources (domestic and industrial wastes). Factor 2, consisting of SiO_2, Ca^2^+ and HCO_3^- explains the dissolution of Ca-plagioclase. A hydrogeochemical modeling code, PHREEQC identifies and quantifies water-mineral reaction in fissures of the bedrock. The result of the modeling indicates the dissolution of major elements and formation of the kaolinite mineral.

Phanerochaete chrysosporium의 액체 배양 및 Lignin Peroxidase 생산

박세근,정명선,김영관 江原大學校 産業技術硏究所 2001 産業技術硏究 Vol.21 No.A

This study characterizes the growth of white rot fungi Phanerochaete chrysosporium IFO 31249 and lignin peroxidase(LiP) activity in different submerged culture media. P. chrysosporium was grown in the form of pellet of various sizes from a spore inoculum under shaking liquid culture condition. While the growth of mycelia was higher under the nitrogen-sufficient culture than under the nitrogen-limited culture, ligninase activity was relatively lower. The lignin peroxidase appeared in nitrogen-limited culture and was suppressed by excess nitrogen. High level(40U/l) of lignin peroxidase activity was obtained in the growth medium containing 1.5mM veratryl alcohol, a secondary metabolite of P. chrysosporium. Lignin peroxidase production was not observed under conditions of nitrogen sufficiency or in balanced media, suggesting that control parameters could increase the activity by manipulating the secondary metabolism.

도시지역 지하수 오염취약성 평가방법의 적용성 연구

함세영,김무진,강래수,정재열,차용훈,장성 부산대학교 환경문제연구소 2003 環境硏究報 Vol.21 No.-

According to favorable water quality, groundwater is used as subsitutive water resources for surfare water. However, groundwater is contaminated more and more due to industrialization and population increase. This study assesses groundwater vulnerability to contaminants in 12 dongs (administrative districe) of Changwon city using with DRASTIC. DRASTIC was originally applied to the situations that contamination sources are on ground surface, and contaminants flow into groundwater with infiltration of rainfall. In addition to DRASTIC factors, groundwater contamination in urban area is also related with overpumping and with lowering of water level. Correlation coefficient between mumimum values of DRASTIC index and unfitness rate to drinking water quality for 10 dongs is low as 0.40. On the contrary, the correlation coefficient between minimum values of DRASTIC index and groundwater discharge rate and that between minimum values of DRASTIC index and well distribution density are 0.70 and 0.87, respectively. Thus, to evaluate the potential of groundwater contamination in urban areas, it is necessary to consider other factors such as groundwater abstraction rate and well density per unit area with ratings and weights as well as existing six DRASTIC factors.

레슬링선수들의 체중감량에 따른 섭취열량과 신체조성의 변화

백영호,염종우,염원상,김세종,서혜림 부산대학교 체육과학연구소 2000 體育科學硏究所 論文集 Vol.16 No.-

This study was to find out calorie intake and body composition changes in accordance with weight loss of wrestlers. The wrestlers were divided three groups : no weight loss groups, 5∼7% weight loss group and over 7% weight loss group. And they were observed three : before weight loss, at measuring weight and before games. The following are the conclusion of this study: 1.The changes of calorie intake 1) Before weight loss, the percentage of the daily intake to the daily energy expenditure was 57.7% for the no weight loss group, 47.2% for the 5%∼7% weight loss group and 53.7% for the over 7% weight loss group. 2) The calorie intake of each group per meal: the no weight loss group intake 1,118kcal before weight loss, 760.9kcal before weight measurement and 1026.8kcal from after weight measurement to before games, and the 5∼7% weight loss group intake 955.4kcal before weight loss, 483.1kcal before weigh measurement and 880.4kcal from after weight measurement to before games, and the over 7% weight intake 959.3kcal before weight loss, 339.4kcal before weight measurement and 872.7kcal from after weight measurement to before games. 3) The ratios of calorie intake(protein : fat : glucose) : the no weight loss group showed 16.7∼35.1% : 20.8∼23.8% : 44.1∼60%, the 5∼7% weight loss group showed 15.5∼26.6% : 22.2∼23.7% : 50.6∼62.3% and the over 7% weight loss group showed 15.0∼30.2% : 19.6∼27,6% : 50.7∼59 4%. 2.The changes in body composition 1) After weight loss, weight and BMI changes in accordance with weight loss among groups showed meaningful differences in all circumstances : weight, before games versus at measuring weight and before weight loss versus before games.(p≤.001) 2) In the changes of total body water, protein, mineral, fat mass and %fat in accordance with weight loss among groups, when we compared those of before games with those of at measuring weight, we found that the over 7% weight loss group showed a meaningful increase over the no weight loss group.(p≤0.5) 3) In the changes within groups, though we found no meaningful difference, total body water, protein and mineral of before games were less than those of before weight loss, and fat mass and %fat of before games were higher than those of before weight loss. According to the results of this study, the wrestlers lost their weights intensively in three days before games by eating less and when lean body mass was restored, the level was lower than before weight loss. Therefore, these results intake the weakness of exercise capacity, long-term weight loss plan is more helpful than short-term weight loss, and for the enhancement of exercise capacity systematic plan and training of the weigh loss should be done.

순간충격시험에 의한 금정산지역 화강암의 수리적 매개변수 산출

함세영,김문수,성익환,이병대,조병욱,김광성,김성이 부산대학교 환경문제연구소 2000 環境硏究報 Vol.18 No.-

This study is aimed for estimating hydraulic parameters using the Cooper-Bredhoeft-Papadopulos, the Hvorslev, the Bouwer & Rice analyses of data obtained by the slug test, and for characterizing hydraulic properties at the test holes in relation to drill core data. The study area was divided into four subareas far which the hydraulic characteristics was considered. The relationship among hydraulic parameters obtained by the three slug test analyses was also considered. The difference of hydraulic conductivity estimates between the injection slug test and the withdrawal slug test seems to be caused by the permeable fracture distribution around the test hole and the disturbance of fine materials in the fractures induced by the pressure variation due to slug injection and withdrawal. The hydraulic conductivity estimates calculated by the Cooper-Bredhoeft-Papadopulos, the Hvorslev and the Bouwer & Rice analyses range from 10-8 to 10-5m/sec, and the average ranges from 10-7 to 10-6m/sec.