• Title/Summary/Keyword: WEIGHT CARRYING PATTERN

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Growth and Carrying Capacity of Pacific Oyster, Crassostrea gigas, in Kamak Bay, Korea (가막만 양식 참굴의 성장과 환경용량 추정에 대한 연구)

  • 박영철;최광식
    • Korean Journal of Environmental Biology
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    • v.20 no.4
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    • pp.378-385
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    • 2002
  • Growth of Pacific oystey, Crassostrea gigas, in Kamak Bay, Korea was modeled using Von Bertalanffy growth function, seasonal Von Bertalanffy growth function and generalized growth equation of Schnute and Richards' growth model, based on shell length and wet weight frequency data of 9208 oysters. Carrying capacity in the oyster culture ground was also estimated using Schaefer's and Fox's surplus production model. The present results suggest that the generalized growth equation of Schnute and Richards' model is fitter to describe the length growth pattern of C. gigas than Von Bertalanffy growth functions. This results also suggest that the current number of culture facility per unit area in 2000 is similar to the number of facility that produces the maximum production of oyster per unit area.

Flexural studies on reinforced geopolymer concrete beams under pure bending

  • Sreenivasulu, C.;Jawahar, J. Guru;Sashidhar, C.
    • Advances in concrete construction
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    • v.8 no.1
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    • pp.33-37
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    • 2019
  • The present investigation is mainly focused on studying the flexural behavior of reinforced geopolymer concrete (RGPC) beams under pure bending. In this study, copper slag (CS) was used as a partial replacement of fine aggregate. Sand and CS were blended in different proportions (100:0, 80:20, 60:40 and 40:60) (sand:CS) by weight. Fly ash and ground granulated blast furnace slag (GGBS) were used as binders and combination of sodium hydroxide (8M) and sodium silicate solution were used for activating the binders. The reinforcement of RGPC beam was designed as per guidelines given in the IS 456-2000 and tested under pure bending (two-point loading) after 28 days of ambient curing. After conducting two point load test the flexural parameters viz., moment carrying capacity, ultimate load, service load, cracking moment, cracking load, crack pattern and ultimate deflection were studied. From the results, it is concluded that RGPC beams have shown better performance up to 60% of CS replacement.

Growth Pattern and Content of Tropane Alkaloids of Metabolic Engineered Scopolia parviflora Hairy Root Lines

  • Kang, Young-Min;Min, Ji-Yun;Kim, Won-Jung;Kim, Yong-Duck;Lee, Byung-Hynn;Choi, Myung-Suk
    • Korean Journal of Medicinal Crop Science
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    • v.12 no.2
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    • pp.123-128
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    • 2004
  • Hyoscyamine and scopolamine are two most common tropane alkaloids found in the Solanaceae. The pEB expression vector carrying Nspmt gene was transformed to Agrobacterium rhizogenes. The growth of transgenic hairy roots were approximately to 80% of the wild type root. Transgenic hairy roots are less developed on only their branch roots than those of the wild type root. The extracts from Nspmt transgenic hairy root lines, 3 and 5 contained between 3.52 and 4.23 mg/g dry weight as hyoscyamine and did between 5.23 to 6.40 mg/g dry weight as scopolamine. These results showed that the overexpression of the pmt gene enhanced tropane alkaloids production of S. parviflora transformed roots and this improvement affected both hyoscyamine and scopolamine production.

Plantar foot pressure analysis during golf swing motion using plantar foot pressure measurement system (족저압력분포 측정장비를 이용한 골프 스윙시 족저압 분석)

  • Lee, Dong-Ki;Lee, Joong-Sook;Lee, Bom-Jin;Lee, Hun-Sik;Kim, Young-Jae;Park, Seung-Bum;Joo, Jong-Peel
    • Korean Journal of Applied Biomechanics
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    • v.15 no.1
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    • pp.75-89
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    • 2005
  • D. K. LEE, J. S. LEE, B. J. LEE, H. S. LEE, Y. J. KIM, S. B. PARK, J. P. JOO. Plantar foot pressure analysis during golf swing motion using plantar foot pressure measurement system. Korean Journal of Sport Biomechanics, Vol. 15, No. 1, pp. 75-89, 2005. In this study, weight carrying pattern analysis and comparison method of four foot region were suggested. We used three types of club(driver, iron7, pitching wedge). This analysis method can compare between top class golfer and beginner. And the comparison data can be used to correct the swing pose of trainee. If motion analysis system, which can measure the swing speed and instantaneous acceleration at the point of hitting a ball, is combined with this plantar foot force analysis method, new design development of golf shoes to increase comfort and ball flight distance will be available. 1. Address acting, forces concentrated in rare foot regions and lateral foot of right foot. Back swing top acting, relatively high force occurred in medial forefoot region of left foot and forefoot region of right foot. Impact acting, high force value observed in the lateral rarefoot region of left foot and medial forefoot region of right foot. Finish acting, force concentration observed on the lateral region and rarefoot region of left foot. 2. Forces were increased in address of right foot with clubs length increased. All clubs, back swing top acting, high force value observed in the lateral forefoot region of right foot. All clubs, in impact, high force value observed in the lateral rarefoot region of left foot and medial forefoot region of right foot. Finish acting, force concentration observed on the rarefoot region in driver and lateral foot region in iron on left foot. 3. Right foot forces distribution were increased in address, back swing top and left foot force distribution were increased in impact, finnish

A Study on the Body Shapes of Men at the Age of 35~49 (35~49세 남성의 체형연구)

  • Kim, Ok-Kyung
    • Fashion & Textile Research Journal
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    • v.7 no.3
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    • pp.301-308
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    • 2005
  • The purpose of this study is to design men's clothing pattern that supplemented the problems of body shapes, by grasping the physical characteristics of middle-aged men and classifying their body shapes through comparing measurements after carrying out the human-body measurement targeting 120 middle-aged men at the age of 35-49 in full. As to the technical-statistic analysis of the measurement items, it could be seen that the middle-aged people who are the research target, have the obese body shapes. As a result of carrying out the factor analysis by the measurement analysis, it was derived the totally five factors such as thickness and width, stature and height, weight and girth, the bust length, and the shoulder shape. The total communality is 78.47%, and as a result of the cluster analysis by the factor score, it was classified into three clusters. Type 1 is the body shape with the great stature, the waist region a little obese, and the biggest thickness, width and girth. It is a flat body shape with the narrow shoulder and the smallest difference between the breast width and the waist width. As type 2 is the body shape that is small stature and is relatively not fat, it is the shape with the biggest difference between the breast width and the waist width and with the wide shoulder. Type 3 is the body shape that belongs to the middle of type 1 and type 2, has the upper-part body longer than other body shapes, and has the developed breast region with the biggest bosom width and bosom thickness.

Analysis of Plantar Foot Pressure During Golf Swing Motion of Pro & Amateur Golfer (프로와 아마추어 골퍼의 골프스윙 동작시 족저압력 비교 분석)

  • Lee, Joong-Sook;Lee, Dong-Ki
    • Korean Journal of Applied Biomechanics
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    • v.15 no.2
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    • pp.41-55
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    • 2005
  • In this study, weight carrying pattern analysis and comparison method of four foot region were suggested. We used three types of club(driver, iron7, pitching wedge). This analysis method can compare between top class golfer and beginner. And the comparison data can be used to correct the swing pose of trainee. If motion analysis system, which can measure the swing speed and instantaneous acceleration at the point of hitting a ball, is combined with this plantar foot force analysis method, new design development of golf shoes to increase comfort and ball flight distance will be available. 1. Regional change of force acting, in address, is evenly distributed on both feet. In back swing top, 76% on right foot, 75% on left foot as impact, and 86% on left foot as finish. As regional force acting, in address, pros get high marks on rare and inside of right foot and rare and outside for amateurs. In back swing top, it is higher as fore and inside of left foot, pros as rare part of right foot and amateurs as forefoot. In impact, it is higher for pros and amateurs in outside and rare part of left foot and fore and inside of right foot. In finish, for both pros and amateurs, it is higher for outside and rare parts of left foot. 2. For each club, forces are evenly distributed on both feet in address. In back swing top, the shorter a club is, the higher impact on right foot and the higher finish distribution on left foot. For all the clubs used, in each region, pros get higher on rare and inside of right foot and as amateurs on rare and outside of left foot in address. In back swing top, for all clubs, pros get higher on rare and outside of right foot as fore and outside for amateurs. In impact acting, for all clubs, rare and outside of left foot get higher. In finish, force concentrates on rarefoot. 3. On both feet force, right foot forces of amateurs is higher than those of pros in back swing top. In impact and finish, pros get higher on left foot.

Stomach Contents of Chum Salmon (Oncorhynchus keta) Fingerlings in Namdae Stream (남대천 연어(Oncorhynchus keta) 치어의 먹이 생물)

  • Gang, Su-Kyung;Yang, Hyun;Lee, Chae-Sung;Choi, Seung-Ho
    • The Sea:JOURNAL OF THE KOREAN SOCIETY OF OCEANOGRAPHY
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    • v.12 no.2
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    • pp.86-93
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    • 2007
  • We analyzed the aquatic insects and stomach contents of chum salmon (Oncorhynchus keta) fingerings which were collected at Namdae stream in Yangyang. A total of 6 orders, 25 family, and 52 species of aquatic insects have been found in the study area. The majority of prey eaten by chum salmon fingerlings was Diptera, which occupied 91.7% of prey items by number and 40.9% by wet weight. The food items from juvenile salmon stomachs were matched with living organisms in the river. Therefore it seemed that there was no food selectivity of juvenile chum salmon in Namdae stream. The stomach contents of masu salmon fry showed a similar pattern to the fingerlings of chum salmon. This result will provide information on the carrying capacity of Namdae stream for chum salmon.

Increment of fructan biosynthesis in rice by transformation of 1-sst and 1-fft genes isolated from jerusalem artichoke (Helianthus tuberosus L.) (돼지감자 유래 1-sst와 1-fft 유전자의 형질전환 발현에 의한 벼의 fructan 생합성 증진)

  • Kang, Kwon-Kyoo;Song, Beom-Heon;Lee, Gyong-A;Lee, Hye-Jung;Park, Jin-Ha;Jung, Yu-Jin;Cho, Yong-Gu
    • Journal of Plant Biotechnology
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    • v.37 no.1
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    • pp.102-109
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    • 2010
  • Fructan has been found to accumulate in various tissues during periods when light levels increased carbon fixation where low temperatures reduced growth rates while photosynthesis continued. In this study, we have cloned 1-sucrose:sucrose fructosyl transferase(1-sst) and 1-fructan: fructan fructosyl transferase (1-fft, a key enzyme for the synthesis of fuctan) from Jerusalem Artichoke (Helianthus tuberosus L.). The recombinant vector with 1-sst and 1-fft has been constructed under the control of 35S promoter of KJGV-B2 vector and transgenic plants obtained by Agrobacterium tumefaciens LBA4404. PCR analysis carried out on the putative transgenic plants for amplification of the coding region of specific gene (1-sst, 1-fft), and HPT genes. Transgenic lines carrying of 1-sst and 1-fft were confirmed for integration into the rice genome using Southern blot hybridization and RT-PCR. The transgenic plants in $T_2$ generation were selected and expression pattern analysis revealed that 1-sst and 1-fft were stable. This analysis confirmed the presence of low-molecular-weight fructan in the seedling of the transgenic rices. Therefore, cold tolerance and carbohydrate metabolism will be possible to develop resistant plants using the transgenic rice.