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      • 하수처리장 방류수의 여과특성에 관한 연구

        이용두,고인범,김현희 제주대학교 해양연구소 1997 해양자원연구소연구보고 Vol.21 No.-

        This study was performed to investigated the removal efficiency of BOD and SS from the retreated water of sewage effluent by upflow filtration system. Flow rate of sewage effluent were 80m/day. 150m/day. 200m/day and 300m/day. The removal rate of SS was above 90%. and independent on the flow rate. However. BOD removal rate decreased with the flow rate increase. And removal rate of BOD was 40-60%. In the results of experiment, it was considered that the treated water was possible to use as the graywater because it was suitable to Flush Toilet, Springkle -Water. Cleaning Car. etc.

      • 跆拳道 選手의 體級間 體格 및 體力에 關한 比較硏究

        최인범,정용승 경기대학교 1995 論文集 Vol.37 No.-

        We made an analysis of correlation and an analysis of variance to grasp the difference of physical fitness among weights and the correlation of physical fitness and sports career in Taekwondo, making the subjects of 24 high school players light weight class-9, middle weight class-9, and heavy weight class-6, who live in cheong ju city. The results are as follows ; 1) There was a significant difference in almost items among 3 group in the test of physique. There was a lot of deviation in girth of chest, length of leg, girth of thigh and skinfold thickness. 2) When Tae kwon do players were heavier in the test of physical fitness, there was a significant difference in grip strength and back strength and no significant difference in dipping, pull-up. Especially agility, flexibility and power were shown to be higher in light weight class than heavy weight class. 3) In the correlation of physical fitness and sports career, when they had lots of careers, there were certain correlations in dipping, shuttle run, burpee test and trunk flexion. Especially there was the contray correlation in back strength, sargent jump, trunk extension, when they had lots of careers. 4) In the analysis of variance about physical fitness factors among weight, there was no significant difference in grip strength, back strength, agility, but there was a significant difference in pull-up and harvard step test.

      • 養液栽培用 암면(Rockwool)의 物理化學的 特性과 오이 生育에 대한 影響

        李龍範,韓東旭 서울市立大學校 1988 論文集 Vol.22 No.-

        The growing medium rockwool was produced at rockwool factroioes in 1986. Rockwool for hydroponics is a water absorbent mineral wool product which is produced as a granulate, as growing blocks, and growing slabs. So, these experiments were made to clarify the physical and chemical charateristics of rockwool and to determine the suitability of hydroponics for commercial horticultural crop production. The rockwool product with a density of 80㎏/㎡ consist of 3% solids and 97% pores. Chemical composition of rockwool are Silicon(49%), Calcium(21%), Aluminum(13%), Magnecium(7%), Ferrous(5%), Manganese(1%), and other elements(3%). The pH of the rockwool varies from neutral to slightly alkaline with increasing temperature. The EC of the rockwool varies from 30 μS/cm with increasing temperature. Mineral saltls, calcium and ferrous, are very slightly released from rockwool. In rockwool culture, cucumber was showed to prosperous growth and high yield.

      • 근로관계와 경영권의 법적성질에 관한 연구

        金龍華,金範基 호남대학교 2005 호남대학교 학술논문집 Vol.26 No.1

        Employment relations are established on the basis of an employment contract in principle, closely related each other and at the same time are legal relations that bind mutually. Furthermore, a management right and unityㆍcollective action right are mutually restricted relations. With the realization of democratization of labor-management relations, the use of the right has been developed into accepting mutual limitation. Although unity action was only activity of citizens' collective expression in the level of civil laws, it could have legal approval of special protective exemption in an aspect of labor laws through an amendment to a principle of civil laws. Its objective is to secure criminal and civil exemption of union activity and to prohibit unifair labor action, which is originally implied in the constitution. Accordingly, interpretation theory that distinguishes unity action from the beginning cannot be accepted. It is because both a strike and unity action by agreement pursue a common goal to realize the value of right to live. Employment relations are formed on the basis of the mutual rightㆍobligation of employer and employee. While employees have the obligation to provide agreed labor in employment relations, an emloyer has a claim to provide labor against employees in principle. Employer's right to use or dispose employees' labor as a company manager for the purpose of business can be acquired by contract with employees. There is no way to dispose such labor in employer's own right free from such contract relations. Employees should obey employer's command and order in the process of providing labor and follow manager's measures to maintain management facilities and order. In the words, employees should provide labor according to employer's right to command labor that is specific indication of a claim to provide labor, and at tne same time observe management order based on employer's right to own management facilities and to control facilities. On the other hand, the concept of a management right is employer's own right. Although a precedent admits it as a legal right, it cannot be admitted as a right based on the positive law. But its scope of execution as a decision making right reserved to an employer also is limited to legal matters. While some deny the existence of a management right on the basis of its fail to prescibe specifically in constitution or laws like the trade union right, others argue that a management right should be admitted as a nature right because an organizational consistency must be maintained with the management of a property right, considering that constitution ensures it as a property right. Manger's right of management is economic power that controls land, labor, wealth, or company production and may be understood as a series of right of property operation that a manger(capitalist) owns means of production, combines them organizationally, and conduct production activity. Moreover, today a capital has been separated from management. Managers should be responsible for company's environment and have the function to fulfill the responsibility as their own right. Some argue that it is managers' exclusive decision matters that do not need to discuss in collective bargaining, which is called a management right. Such a management right is company's own function and governs labor-managemant relations. However, the problem is whether there is manger's management right correspondent to employees' labor right. While the trade union right is expressly stipulated in the text of constitution or labor relations laws, a management employment relations and its relations with a management right, and the legal meaning and nature of a management right, which is very important in the right of the establish modern characteristics of labor-management right and the concept of a management right that meets in reailty.

      • 키틴계 담체를 이용한 효율적인 효소고정화법 개발

        김용범,강수정,한상문 서울산업대학교 산업대학원 1999 大學院論文集 Vol.6 No.-

        본 연구에서는 키토산을 담체로하고 5가지 다른 방법에 의해 단백질 가수분해 효소인 trypsin을 선정하여 효율적인 효소고정화법을 개발하고자하였다. 비교한 효소고정화 방법으로, 먼저 가교제의 변화로서 glutaraldehyde와 hexamethylenediisocyanate를 비교였고, 다음으로 프로세스의 변화로서 ⅰ)chitosan bead에 효소를 흡착한 후 glutaraldehyde로 가교하는 방법, ⅱ)chitosan bead에 효소를 흡착한 후 hexamethylenediisocyanate로 가교하는 방법, ⅲ)chitosan과 효소를 혼합하여 bead화하고 glutaraldehyde로 가교하는 방법, ⅳ)chitosan bead를 glutaraldehyde로 1차 가교 하고 효소를 흡착한 후 다시 glutaraldehyde로 2차 가교하는 방법, ⅴ)chitosan bead에 효소 흡착 후 glutaraldehyde로 가교 처리하여 NaOH로 처리하는 방법등으로 비교하여 ⅲ>ⅴ>ⅳ>ⅰ>ⅱ 의 순으로 아미노산 생성효율을 확인하므로써 보다 효율 높은 효소고정화법을 모색하였다. 가교제의 종류에서는 glutaraldehyde가 더 유리하였고, 고정화 가교방법에서는 chitosan과 효소를 미리 혼합하여 bead화한 다음 가교한 것이 기타 다른 방법들에 비해서 고정화 효율이 가장 우수함을 확인하였다. More effective methods for immobilization of enzymes(trypsin) were examined with chitosan beads, through comparison of several different immobilization methods. The methods applied in this experiment are: Firstly with different crosslinking agents : glutaraldehyde and hexamethylenediisocyanate. Secondly with different processes: ⅰ) Adsorption of enzyme on the beads, then crosslinking with glutaraldehyde. ⅱ) Adsorption of enzyme on the beads, then crosslinking with hexamethylenediisocyanate. ⅲ) Mixing chitosan with enzyme, then beads formation followed by crosslinking with glutaraldehyde ⅳ) Treatment with glutaraldehyde, then enzyme adsorption on the beads followed by crosslinking with glutaraldehyde. ⅴ) Adsorption of enzyme on the beads and then crosslinking with glutaraldehyde followed by treatment with 0.01N-NaOH aq. solution The order of superiority is ⅲ>ⅴ>ⅳ>ⅱ>ⅰ described above. The efficiencies of hydrolysis of milk protein by the immobilized enzymes were estimated by spectrophotometry of amino acids produced through hydrolysis.

      • 조경설계와 시공의 불일치 조사분석

        김학범,권영민 한경대학교 2003 論文集 Vol.35 No.-

        The landscape industry, as a field of construction industry, has made much development together with the desire for the beautiful and pleasant environment according to the enlargement of market size, expansion of its scope of operation and national paradigm shift. It has already been placed as a true independent field with much accumulation of technologies and development of new materials for the while etc. However, the correctness of the drawings in design or construction is still error-prone due to non-principle, vagueness and approach with experience-based decisions, rather than scientific and rational approach. Besides, the propriety and accuracy in the construction field have not even been maintained and trial and error might be involved with waster by each cause. Thus, as design and construction involve various types of discordances, studies on the improvement alternatives for those causes and problems are required. The discordance can be classified into three stages; Stage 1. The cause of discordance and problem first appear. Stage 2. The cause of discordance is eliminated and controlled. Stage 3. Discordance conditions are fixed. This study presents the improvement alternatives through theoretical consideration and case studies for the causes of discordance and the stage where the problems appear. The discordance index from the results of analysis was relatively high as 26.47 on the average for the three sites. As for the analysis of each site by types, the common kind addition-type had the highest percentage with 29.8% and the number change-type was 26.43% from the results. Besides, the results of the analysis of detailed factors are listed from the highest, as construction improvement factor(23.23%), actual condition factor(19.3%) and mutual conflict factor between drawings(14.0%). From the results of the analysis of subjects that involve discordances, constructional factor showed a preponderance(63.27%, while the design factor is 36.73%). At present, the actualized discordance index from the results of the analysis of the potentiality was 20.772(78.46%) and the potential discordance index that remained discordant in the drawings was 5.702(21.54%). The problems that were derived from the results of the analysis could be summarized as the quality problem in the drawings, the problems in the construction process and the problems in the process of the design change, and the improvement alternatives for those problems are as followings; ①First, the paradigm shift of the designers, the precise and thorough inspection of the drawings and the liability system for incomplete designs etc. can be considered, and ②Secondly, the importance of the original drawings is required to be understood, as the responsibility is clarified in case of a change and the improvement of the understanding of each subject is needed, and ③Thirdly, those discordances will be prevented in advance when irrational factors in the process of design change, the stage where discordances are controlled, are improved, and unfair intentions including proposal of changes out of principle, expectation of protection from liability of incomplete designs are restrained.

      • Chitosan 濾過 System을 利用한 새로운 中水道 工程의 開發과 溫泉水 淨化에 관한 硏究

        김용범,백광욱,안병제,조영주,심재용 서울産業大學校 1994 논문집 Vol.39 No.1

        각종 금속이나 중금속을 비롯하여 각종 오염물(SS, COD, BOD, CI 등)을 강력히 흡착제거하는 성능을 가진 chitosan(Cs)응집제와 여과사(SF) 및 활성탄 column(ACC)을 병용하여 hotel잡수와 온천사용수등의 정화실험을 행하여 생물학적 처리과정을 생략할 수 있는 사용수의 재활용 process(Fig. 1)를 개발하였다. 이 process에서 hotel 잡수의 경우 20ppm의 chitosan 투입으로 1차응집 처리하여 약 60%이상의 오염물을 제거한 후 여과사와 활성탄 column을 이용하여 최종적으로는 80~99%의 오염물을 제거할 수 있었다. 또한 온천수의 경우 20ppm의 chitosan 투입으로 1차응집 처리하여 약 50%이상의 COD와 BOD의 제거율을 달성할 수 있었다. 따라서 이러한 process를 산업현장에 적용할 경우 종전의 생물학적 공정을 생략하거나 소규모화하여 보다 간편하며 처리공간이나 경비등을 절감하면서도 사용수를 방류수 또는 재활용수 기준이내로 처리할 수 있음을 확인하였다. 본 연구는 수자원 보호나 수자원 재활용면에서 크게 기여 되리라 믿는다. A simplifid and economic process for recycling the used water discharged from a large scale residence(e. g. hotel and apartment etc.) was developed. The used water was purified through adsorption and flocculation of contaminants by chitosan at the first stage where the average removal rates of COD and BOD of the used water were found more than 60%. The previously treated water through flocculation by chitosan was subjected to filtration systems of a sand filter and an activated carbon column, and the average removal rates of COD and BOD were found more than 80%. The experimental results suggest that the biological process which is very popular in the treatment of the used water for the removal of COD and BOD can be omitted and expected to reduce a spacial and running expenditure. On the other hand, testing the used water discharged from hot springs with chitosan proves a possibility of development of a simple and economical process for the treatment of the used water to the criteria of recycled water quality without any addition of more complicated equipments and facilities.

      • KCI등재

        한국인에서 Quadruplex PCR을 이용한 8종류 상염색체 STR 유전좌의 다형성 분석

        장영길,김기범,신창호,이숭덕,이윤성,이정빈 大韓法醫學會 2001 대한법의학회지 Vol.25 No.1

        Two quadruplex PCR reactions were designed for 7 tetrameric (D3S2406, D4S2368, D5S818, D7S821, D9S925, D13S317, D19S253) and one trimeric (D6S1043) short tandem repeats loci to study the allele frequency and the applicability of genetic variation in these loci in forensic case works. For 310 unrelated Koreans DNA was isolated from peripheral blood using phenol/chloroform method. Quadruplex I was consisted of D4S2368, D6S1043, D7S821, D9S925 and quadruplex II D3S2406, D5S818, D13S317, D19S253. The amplified products were analyzed by 5% polyacrylamide gel electrophoresis followed by silver staining. The heterozygosity in each loci ranged 92.91-66.13%, and PD(Power of Discrimination) was above 085 in each loci. Every loci except D6S1043 followed hardy-Weinberg expectation. The cumulative PI was low as 1.65×10-10. Two mutations were noted, one in D19S253 and the other in D9S925 among 234 gametes. With these results above eight STR loci studied here preyed to be highly polymorphic enough to be used in forensic field. This study provides valuable population data in these loci for Korean.

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