This study investigated the characteristics of the eggs and yolk sac larvae of Korean striped bitterling, Acheilognathus yamatsutae, spawned and grown In mussels. The number of eggs in the ovary was small ($358{\pm}108$ SD). The eggs were oval and large, and the formation of the perivitelline space was narrow. The eggs were hatched at only 41 hours after fertilization but the hatched larvae were underdeveloped. The development of yolk projection and minute tubercles on the skin surface was notable, along with the vividly moving tail in the hatched larvae. The yolk projection and minute tubercles were disappeared upon enhancement of the motor ability of the larvae was enhanced. The formation of eyes and body pigments of the larvae was relatively delayed in comparison with that of other cyprinid larvae. After completely consuming the yolks the larvae escaped from the mussel for free swimming and exogenous feeding.
Journal of the Korean Institute of Educational Facilities
/
v.13
no.3
/
pp.6-16
/
2006
The purpose of the study is on offer present condition of School Facilities for Local Residents in Daegu City. This study made progress within the scope of twenty-four public schools excepting one private school and five schools refused request. but opening present condition of the equipment was stopping in negative opening more than thing that is seen in present condition(to be a hall, a computer, swimming pool, physical education market, clearinghouse, art thread, library, language study thread) of two locals that show in old research. As result that diagnose this research, The school facilities open every schools excepting three schools could not open on account of establishment of sprinkler, residents protest about noise, small playground. The opening equipment was limited the playground, hall, basketball court, Badminton court, parking lot, classroom, library. And The use present condition was used by parking, walk, jogging and light exercise, basketball, badminton, state examination, sports meeting, books inspection, early stage soccer. When local residents require equipment use, it is not negative attitude in school but have active carriage. and Must consider plan that raise practical use degree so that can use school equipment.
Journal of Fisheries and Marine Sciences Education
/
v.25
no.2
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pp.405-409
/
2013
In this study, the researcher tried to analyse the effects of various palm angles in sculling on the variation of underwater weighting. An experiment was conducted on the study subjects of 14 males with life guard licences issued by the Korean Red Cross, living in B district with their spontaneous consent after explaining the purpose and method of this study sufficiently. The effects of various angles in sculling on underwater weighting is as follows; The underwater weighting in sculling gradually decreased with the increasing angle of the palm from $0^{\circ}$ to $45^{\circ}$ during sculling(p<.001). Overall, it is concluded that the optimal efficiency of sculling can be achieved at the angles $30^{\circ}$ and $45^{\circ}$. But, it is a little limited that we generalize the result drawn from variation of underwater weighting depending on the angles as an actual lift and drag value, which warrants further studies on the measuring of overall swimming movement of rotary kick of our lower body as well as sculling, along with various subjects.
In terms of the importance of ocean as a present and future resource and the Korean peninsular location, it is strongly urged to develop renewed recognition and educational programs on ocean, so as to respond properly to the newly emerging political changes surrounding the country. By setting up the purpose of marine education as engendering greater interests in and knowledge of ocean, this research suggests that the frame of marine education can be founded appropriately on four educational sub-categories: humanity education, territory education, economy education, and resources and environment education. At an operational scale, this paper particularly analyzed ocean- related contents in the 7th national curriculum in order to find substantial ways for strengthening marine education. The study simultaneously compared the result of content analysis with the curriculum of marine education in other countries, and founded that explicit ocean-related contents in the 7th curriculum were significantly limited. Yet, the study alternatively points out that it is possible to use a variety of teaching materials and apply them for writing textbooks or developing teaching-teaming curriculum. I provide some of the ways for strengthening marine education by using marine-related themes in the curriculum of geography education. Marine is not simply one of the key elements in the discipline of geography. But, more importantly, I suggest that geography is particularly useful in developing various and familiar themes such as swimming beach, fishing villages, ports, marine-bound industrial district and port cities into teaching materials.
Oh, Kwang-Hoon;Kim, A Rong;Bae, Jong-Hwan;Lee, Kyung Bok;Yoo, Yung Choon
Journal of the Korean Society of Food Science and Nutrition
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v.45
no.2
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pp.174-180
/
2016
In this study, the effects of fermented goat milk (F-GM) on immunological activity and physical strength were examined. Splenocytes obtained from mice administered with F-GM showed increased responsinveness to mitogens, concanavalin-A (ConA), and lipopolysaccharide (LPS). Treatment with F-GM also significantly augmented production of interleukin (IL)-2 and interferon (IFN)-${\gamma}$, but not IL-4 or IL-10 from ConA-stimulated splenocytes. The activity of F-GM administration to enhance production of IL-2 and IFN-${\gamma}$ was confirmed based on mRNA expression of these cytokines by reverse transcription polymerase chain reaction. After immunization with keyhole limpet hemocyanin (KLH, 20 mg/mouse), mice administered F-GM showed significantly higher antibody titers against KLH than those of phosphate-buffered saline-treated mice, and showed the highest titer 5 weeks after KLH immunization. Analysis for determining isotypes of antibodies revealed that administration of F-GM elicited KLH-specific antibody titers of IgG1, IgG2a, and IgM. In a delayed type hypersensitivity (DTH) test carried out 7 weeks after the primary immunization, F-GM-treated mice showed a higher DTH reaction than the control mice. Furthermore, the swimming test found that administration of F-GM significantly increased swimming time. These results suggest that administration of F-GM enhances not only immune responses against antigens but also physical strength.
Kim, Seong-Hyun;Kim, Mun-Kwan;Kim, Suk-Jong;Park, Jeong-Sik
Journal of Fisheries and Marine Sciences Education
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v.10
no.2
/
pp.211-225
/
1998
A field experiment was carried out for fishes on entering time to a set-net, swimming speed, current speed and direction at the Dongbok-Ri coast on Cheju Island. The results of the experiment are as follows : 1. The observation results from 07:00 to 18:00 showed that coral fish, flying fish, horse mackerel, drub mackerel and striped mullet enter the set-net from 07:00 to 14:00 mainly. 2. From the result of analyzing relationships between entering time and tide, coral fish and horse mackerel tend to enter the set-net on turn of tidal current and ebb respectively. 3. The leaving rates of coral fish, flying fish, drub mackerel, and striped mullet from the set-net were 13%, 45%, 50%, and 100%, respectively but all horse mackerel remained in the net. 4. The swimming speed of coral fish, flying fish, horse mackerel and drub mackerel are 5~25cm/sec, 20~50cm/sec, 15~45cm/sec and 10~30cm/sec, respectively and their dominant speeds are 10~15cm/sec(55%), 30~35cm/sec(30%), 30~40cm/sec(60%), and 15~20cm/sec(60%), respectively.
Journal of Fisheries and Marine Sciences Education
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v.4
no.2
/
pp.109-120
/
1992
The auther reported the distribution of fisheries high schools and arrangement of curriculum in Japan in the forward report, and describes on the outer apparance and substantiality of education of fisheries high schools in Japan in the present report. 1. The rate of population to the number of fisheries high school shows 2,350 thousands in Japan, compared with 3,250 thousands in Korea. Then the rate in Korea is 1.4 times as high as that in Japan. 2. The rate of pupil to the whole regular instructors for fundamental subjects and for vocational subjects in the fisheries high schools, and also the rate to the instructors for vocational subjects show 10.4 and 16.3 in Japan, compared with 18.2 and 30.2 in Korea. Then the rate in Korea is 1.8 times as high as that in Japan. In addition to the instructors for vocational subjects. trainer and assistants for technical training-are employed in Japan compared with no such instructors or assistants in Korea. Then the rate of pupil to the whole instructing staffs in Korea is 2.4 times as high as that in Japan. 3. 81 percents of training ships in Japan are larger than 400 gross tons, which is extremely higher to that in Korea. The rate of gross tonnage of the ships to the number of trainees shows 6.2 tons in Japan compared with 1.1 tons in Korea. Also such large dimensioned training ships are newly built every other 12 years. the construction cost per 1 gross ton of such ships are said as 2.5 to 3 million yen, which corresponds to 15 to 18 million wons, and is over 3 times as much as that in Korea. 4. The basic education on the marine field is widely diffused in Japan. For an example, swimming pools are prepared not only in fisheries high schools but also in primary schools although it is rate even in fisheries high schools or colleges in Korea. 5. Almost all provinces which locate on the seashore have at least one fisheries high school and the curriculum is arranged to match the needs of local districts, then the management of school is tightly linked to the local government. 6. Entrance system is also flexible and recommended entrance system for successors of fishermen is settled. 7. Re-education of instructors for the new subjects which should be prepared to match the demands of ages are supported by local government in the aspect of time and budget. 8. The special two-year course for advanced seamen' s education is attached to some fisheries high schools and the graduates are qualified to get the third grade marine officer's or engineer's liscence.
Journal of Agricultural Extension & Community Development
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v.4
no.1
/
pp.1-14
/
1997
This research was carried out to provide the basic informations for the study of the occupational socialization process of rural development workers. Until now in a study of rural development workers, the study about the socialization process, which is to study the whole change during the life, has not been sufficient. The occupational socialization process of rural development workers may be considered both a process from life as a pre-rural development workers to life as a rural development worker and a process of retirement or resigination as a rural development worker. The socialization process of rural development workers in general is presumed as the five steps. Each theme word corresponding to the cultural characters in each step is as following. (1) Expectation toward Uncertainty: Step before Life of Employing (2) Extra-Passion and Trial and Error: Step for Adapting the Working Life (3) Swimming: Step of Dissension and Desperation (4) Sinking or Avoiding Dissension: Step of Stability and Stagnation (5) Emptying a Lonely Mind: Step of Professional Inactivity and Retirement The five steps appear mixedly and irregularly. At each step, rural development workers can feel the sense of fruitage and dignity (a naive compensatory mind) despite appearance intermittent and unclear.
Weight reducing methods were surveyed by questionnares in March through May, 1998 with 641 women living in Inchon to provide the information for the education of proper weight control. Methods that they have used for weight-reduction were exercise (33.1%), diet therapy(29.6%), sauna(7.3%), ingestion of special food(4.8%), administration of drugs(4.0%) and herb-medicines. The respondents considered exercise(38.4%) and diet therapy(31.5%) as the most effective methods in reducing weight and the response was different with ages at p<0.01. They have practiced the diet therapy by reducing the amount of food(27.7%), skipping one or two meals a day (20.8%), avoiding high calorie snacks(8.8%) and regulating food items in a meal(3.8%). Exercises which they have done were walking(48.0%), aerobics(2.3%), swimming(23%) and using the health instruments(6.7%). Their choices in kinds of exercises were significantly dependent upon ages, marriage and their occupation(P<0.01). Acupuncture(38.0%) was the most frequently used oriental medicine therapy and original drugs(32.2% ) and moxibustion(22.0%) were also used. The women have taken drugs was 9.5%. Among them cream-typed cosmetics(41%), weight reducing drugs(30%), diuretics(18% ), and smoking(7%) were used. Fifty respondents out of 641 had expericences to have special food therapy such as grape, apples and vinegar(42%) and enzymes(18%) for some period of time.
Kim, Jong Im;Son, Haeng-Mi;Kim, Sun Ae;Song, Youngshin;Kim, Sun Kyung
Journal of muscle and joint health
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v.24
no.1
/
pp.1-13
/
2017
Purpose: This study was conducted to explore the experiences of women with osteoarthritis in the community-based aquatic exercise program. Methods: A total of 13 women who lived urban-rural complex areas participated in 8 weeks of aquatic exercise. Data were collected from two focused group interviews of those who signed informed consent. Results: Four categories emerged from the contents analysis: 1) assisting a remedial program (participant-centered education, alleviation of physical symptoms, and relieving stress), 2) Pleasure of being together (group exercise, feeling of pleasure and joy, and strong and confident supporter), 3) burden of participation (economic burden, low accessibility and unaccustomed swimming pool), 4) organizing and activating a self-help group(acquired confidence over exercise, hoping for continue exercise, and Needs of self-help meeting). Conclusion: Aquatic exercise was good for women living urban-rural area as it gave not only reliving arthritic symptoms but also improving social relationships. It is optimal to assist in making of a self-supporting group and continuing activities through it.
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