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      • SCIESCOPUSKCI등재
      • KCI등재

        Overexpression of Zoysia ZjCIGR1 gene confers cold stress resistance to zoysiagrass

        Yang‑Ji Kim,Dae‑Hwa Yang,Mi‑Young Park,Hyeon‑Jin Sun,Pill‑Soon Song,Hong‑Gyu Kang,Seok‑Cheol Suh,Yong‑Eok Lee,이효연 한국식물생명공학회 2020 Plant biotechnology reports Vol.14 No.1

        Zoysia japonica Steud. is a warm-season lawn grass popular in Korea and elsewhere. They are cultivated in many places such as river banks, roadside, and play grounds. However, there still is a disadvantage of frequent mowing, and the grass grows poorly under the chilly conditions. To develop a grass variety that circumvents these drawbacks, we cloned the chitininducible gibberellins-responsive1 gene (CIGR1) from zoysiagrass. The full length of the ZjCIGR1 (Zj; Zoysia japonica Steud.) gene was obtained by 5′/3′ RACE PCR and the phylogenetic tree showed that it belonged to the CIGR1-subgroup in the PAT1-group of GRAS protein family. Expression of the ZjCIGR1 in wild-type plants was confirmed in roots, meristems, leaves, and flowers, especially high in the flowers. The transgenic zoysiagrass was confirmed by PCR using gene-specific primers, phosphinothricin-acetyl-transferase (PAT) strip test, and Southern blot analysis. ZjCIGR1-overexpressing plants acquired tolerance to cold stress displaying morphological phenotypes characteristic of stress resistance. In addition, in the transformants, expression of the ZjCIGR1 as well as cold-regulated (COR) gene was increased compared to the wild-type plants under cold stress condition. These results suggest that ZjCIGR1 gene is an important candidate for regulating cold stress resistance.

      • KCI등재

        발레 숙련도에 따른 센터에서 Grand Battement Jete a la seconde 동작의 운동학적 비교 분석

        염창홍 ( Chang Hong Youm ),박영훈 ( Young Hoon Park ),서국웅 ( Kook Woong Seo ),양충모 ( Chung Mo Yang ) 한국운동역학회 2004 한국운동역학회지 Vol.14 No.2

        C. H. YOUM, Y. H. PARK, K. W. SEO, C. M. YANG. Comparison of the kinematic analysis of grand battement jete ?la second in center between skilled and unskilled ballet majors. Korean Journal of Sport Biomechanics, Vol. 14, No. 2, pp. 153466, 2004. The purpose of this study was to investigate time of the phase, angle of the right ankle, knee, and hip joint, lateral angle of the trunk, mediolateral displacement of COM, and vertical displacement of COM between two groups while executing grand battement jets ?la seconde in a center exercise setting through 3D video analysis. The subjects participated in this study were skilled and unskilled 6 female ballet majors in Busan, respectively. The conclusions are as follows: 1. The time of the phase 2 was faster than P3. It shows a significant difference(p<.05) for P1 and P4 between skilled and unskilled groups. 2. The angle of the right ankle joint has a significant difference(p<.05) at E4 between skilled and unskilled groups. The angle of the right knee joint has no significant difference at all events between skilled and unskilled groups. The angle of the right hip joint has a significant difference(p<.001) at E3 between skilled and unskilled groups. 3. The lateral angle of the trunk has a significant difference(p<.05) at El and at E5 between skilled and unskilled groups. The skilled group of the lateral angle of the trunk was lower than the unskilled group. However the skilled group`s lateral angle of the trunk was bigger than the unskilled group at E3. It has significant difference(p<.001) at E3 between skilled and unskilled groups. 4. The mediolateral displacement of COM has no significant difference at all events between skilled and unskilled groups. The vertical displacement of COM has a significant difference(p<.01) at E3 between skilled and unskilled groups.

      • KCI등재
      • 濟州地域 國民學校 兒童의 도시락 營養實態에 관한 調査硏究

        洪陽子 제주대학교 1980 논문집 Vol.12 No.-

        This study is concerned with the nutritional status of the packed-lunches which are brought by the primary school children in Jeju City. The 398 packed-lunch boxes of the children in 4 primary schools were examined from Oct.6 to Nov.4, 1980. The contained nutrients in staple foods and side-dishes of the packed-lunch were analyized by the Food Composition Table. In addition, a comparison between the contained nutrients in the packed-lunch and the Recommended Dietary Allowances for Korean people of the 10 to 12 age group was conducted. The results obtained are summarized as follows; 1). The averge intake of nutrients from a packed-lunch: Calorie 681.2 Cal. (which is 83.41% of the recommended amount), protein 22.42g (89.68%), animal protein 9.31g (40.77%), calcium 152.9㎎(45.86%), iron 3.03㎎(55.13%), vitamin A 619.3 I. U.(103.22%), vitamin B₁0.31㎎(88.57%), vitamin B₂0.324(64.8%), vitamin C 7.7㎎(57.5%), and niacin 5.33㎎(99.81%). All the nutrients are under the recommended dietary allowances except vitamin A an niacin. According to the intake of calorie, the ratio of carbo-hydrate, protein and fat is 71.65:12.95:15.4. 2) The composition of foods in the packed-lunch: the staple food is mainly (68.35%) rice mixed with barley. The average weight of the staple in a lunch box is 300-399g. The most children(53.89%) bring the only one kind of side-dish, that is chiefly(57.04%) kimchi. 3). The most favorite side-dishes for children from the packed-lunch are kimchi, ham, sausage, beef, egg, cuttle-fish and laver, and pork and pickles are the most undesirable items.

      • KCI등재
      • FWD를 이용한 콘크리트 덧씌우기 줄눈부에서의 하중전달효과 연구

        양홍석,서영찬 漢陽大學校 工學技術硏究所 1998 工學技術論文集 Vol.7 No.1

        콘크리트포장의 구조적 능력을 평가하는 가장 중요한 요소 중의 하나는 하중전달효과이다. 하중전달효과는 양쪽 슬래브의 처짐량비로 결정된다. 하중전달효과가 낮은 슬래브에서는 하중이 한쪽 슬래브에만 부하되어 콘크리트포장의 파괴를 촉진시키고 포장수명을 단축시킨다. 본 연구에서는 슬래브 온도, 다우월바 시공유무, 줄눈틈이 하중전달효과에 미치는 영향을 알아보기 위해 88 고속도로에서 FWD(Falling Weight Deflectometer)를 이용하여 다양한 온도조건에서 하중 전달효과 조사틀 실시하였다. 연구결과 다우월바를 시공한 구간에서는 온도변화에 관계없이 하중전달효과가 큰 차이를 보이지 않은 반면, 다우월바를 시공하지 않은 구간에서는 저온에서 하중전달효과 감소가 컸다. 또한 다우월바를 시공한 구간이라도 포장이 노후화되면 하중전달효과는 온도가 하락함에 따라 감소하는 것으로 나타났다. 본 조사대상 구간에서는 슬래브 단위온도 하락시 하중전달효과는 2.6% 감소하는 것으로 나타났다. One of the most important factors accounting for the structural capacity of concrete pavement is load transfer. Load transfer efficiency is determined by measuring deflection ratio across the slabs. In joints where load transfer efficiency is low, stress is concentrated in the loaded slab and accelerates the deterioration of the concrete, reducing the life of the pavement. In this study load transfer efficiencies were measured at various temperature conditions on 88 Express Highway using FWD(Falling Weight Deflectometer) in order to find the effects of slab temperature, construction of dowel bars, crack width at the joint on the load transfer efficiency. For the sections with dowel bars, there were little differences in load transfer efficiency regardless of temperature changes. For the sections without dowel bars, however, there were great losses of load transfer efficiency at low temperatures. For the old pavement, even in the sections with dowel bars, the load transfer efficiency reduced as the temperature dropped. For the sections in this study, 2.6% reduction of the load transfer efficiency was observed for each 1 ℃ drop in the slab temperature.

      • KCI등재후보

        Mulligan 치료법과 고유수용성 신경근 촉진법이 동결견 환자의 치료에 미친 효과

        양정애,윤홍일,박현식,신영일,전범수 대한정형도수치료학회 2006 대한정형도수물리치료학회지 Vol.12 No.1

        The purpose of this study was to compare the effects of Mulligan method and PNF method on the pain and limitation of range of motion in patients with frozen shoulder. The subjects of this study were 20 patients, 10(50%) males and 10(50%) females. They visited clinic for physical treatment within 6 months after onset of shoulder pain and limitation of range of motion with frozen shoulder. One group was applied with Mulligan method and other group was with PNF method . The patient were treated 5 times session weekly for 6 weeks from March 4th, 2002. And each treatment session was 15min. with physiotherapy. The pain was measured by visual analogue scale (VAS) and rage of motion (ROM) of flexion, abduction, external rotation, internal rotation were measured by goniometer. The data was analysed by paired T-test and independent T-test. The results of this study were summarized as follow : 1. The ROM of Mulligan method group increase in after treatment in comparison with ROM in before treatment, it is significant increase. Although the VAS of MMG decrease in before than after treatment, it is significant difference. 2. There is significant difference in before and after treatment of ROM of shoulder flexion, abduction, internal rotation, external rotation between PNF method group. The VAS of PMG is decreasing in before than after treatment, it is significant difference. 3. There is significant difference in before movement and after movement ROM of flexion, abduction, internal rotation, external rotation and VAS between Mulligan method session and PNF method session then the scale which measured by Mulligan method was more increased than that of PNF method. The results showed that both Mulligan method and PNF method were effective in pain reduce and ROM increase, but Mulligan method was superior to PNF method in ROM increase and pain reduce.

      • 농촌 및 도시 하수의 생태적 처리 연못시스템

        梁弘模 全南大學校 農業科學技術硏究所 1993 農業科學技術硏究 Vol.28 No.-

        Climatic conditions, especially air temperature and solar radiation, are major influential factors for the operation of a wastewater treatment pond system. In order to assess its applicability to Korea, air temperature and solar radiation of the wastewater treatment pond systems in Corinne, Utah, and Eudora, Kansas, which are located in temperate region of the U.S. are compared with those of the Kimpo rice field located in the mid-western part of Korea. An analysis is also conducted of algal concentrations and water temperature of primary ponds of the two systems. Air temperature of Kimpo is quite similar to that of the systems, and solar radiation of Kimpo is more conductive than that of the systems to the growth of algae during summer. Analysis of ???? and SS concentrations in the final effluent of the systems shows that they meet the secondary treatment standards set by the U.S. Environmental Protection Agency. The study demonstrates that a wastewater treatment pond system which is similar in design to the two systems can be reliably utilized at Kimpo, Korea.

      • 韓國産 돌상어科(Gobiobotidae)의 咽頭骨과 咽頭齒

        楊洪準 慶北大學校 師範大學 地理敎育科 1970 敎育硏究誌 Vol.12 No.-

        The morphological characteristics of the pharyngeal bones and their teeth of genus Microphysogobio in Korean Gobiobotid fishes are summarized as follows: 1. The pharyngeal bone of Gobiobotidae is more smaller than Cyprinidae or Cobitidae. 2. The posterior edentulous process is bent to dorsal surface, the anterior angle of the pharyngeal bone is indistinct but posterior one is distinct. 3. The pharyngeal bone of Microphysogobio yaluensis has narrowest pitted surface among three family (Cyprinidae, Cobitidae, and Gobiobotidae). 4. M. yaluensis has a bone process on the ventral mid part of the anterior edentulous process but M. sp has not.

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