• 대한원격탐사학회:학술대회논문집
• /
• 대한원격탐사학회 1999년도 Proceedings of International Symposium on Remote Sensing
• /
• pp.80-83
• /
• 1999

An efficient modeling and management of a large amount of surface data for a wide rage of geographic information play an important role in determining the functionality of 3D geographic information system. It has been put many efforts to design and manage an effective way to enhence the manipulation of the data by considering geometry type and data structures. Recently, DEM(Data Elevation Model) and TIN(Triangulated Irregular Network) are used for representing surface data. In this paper, we propose a 3D data processing method. The method utilizes the major properties of DEM and TIN, respectively. Furthermore, by approximating DEM with a TIN of an appropriate resolution, we can support a fast and realistic surface modeling. We implement the structure with the following 4 level stages. The first is an optimal resolution of DEM which represent all of wide range of geographic data. The second is the full resolution DEM which is a subarea of original data generated by user's selection in our implemeatation. The third is the TIN approximation of this data with a proper resolution determined by the relative position with the camera. And the last step is multi-resolution TIN data whose resolution is dynamically decided by considering which direction user take notice currently. Specially, the TIN of the last step is designed for realtime camera navigation. By using the structure we implemented realtime surface clipping, efficient approximation of height field and the locally detailed surface LOD(Level of Detail). We used the initial 10-meter sampling DEM data of Seoul, KOREA and implement the structure to the 3D Virtual GIS based on the Internet.

• 한국HCI학회논문지
• /
• 제12권1호
• /
• pp.25-32
• /
• 2017

본 연구의 목적은 대화면 스마트폰을 한 손으로 조작 시 터치가 어려운 사각영역의 효율적인 터치를 지원하는 한 손 모드 인터랙션의 유용성을 평가하는 것이다. 이를 위해 아이폰과 안드로이드 스마트폰 내 두 종류의 기존 한손 모드들을 분석하였고, 보다 유용할 것으로 기대되는 두 개 유형의 한 손 모드들을 추가적으로 제안하고 구현하였다. 기존 및 제안한 한 손 모드들의 유용성을 검증하기 위해, 네 개의 한 손 모드들과 일반터치를 비교하는 실험을 수행하였다. 실험 결과, 일반터치에 비해 한 손 모드로 사각영역을 터치하는데 오히려 더 긴 시간이 걸렸다. 이는 한손 모드의 경우 모드진입 조작 및 모드전환 애니메이션 시간이 기본적으로 필요했기 때문이었다. 그러나 실험참여자들이 일반터치로 사각영역을 터치 시에는 엄지를 많이 뻗어서 터치해야 해서 손의 위치변화가 커지고 연속된 조작을 어려워하였다. 또한 한 손 모드로의 전환효과와 터치 조작반경의 축소로 인하여 주관적 만족도는 한 손 모드를 사용하는 것이 더 높았다. 한편, 한 손 모드들 중에서는 아이폰의 하단이동 한 손 모드가 가장 좋은 것으로 평가되었다.

• 한국어류학회지
• /
• 제13권1호
• /
• pp.85-88
• /
• 2001

메기 Silurus asotus에서 염색체조작을 효과적으로 하기 위하여, 여러 온도 조건에서의 난할율과 제2, 제3 난할 시간의 평균화에 의한 체세포분열 간격지수 (${\tau}_o$)를 조사하였다. 빠른 난 발생과 비동시적 발생은 고온에서 더욱 뚜렷하게 나타났다. 메기의 체세포분열 간격지수는 $22^{\circ}C$에서 $21.5{\pm}1.4$분, $24^{\circ}C$에서 $18.5{\pm}1.2$분 그리고 $26^{\circ}C$에서 $14.0{\pm}2.1$분이었다. 3가지 수온조건과 ${\tau}_o$ 간에는 Y=-1.85X+21.9 ($R^2=0.9868$, Y는 ${\tau}_o$ 그리고 X는 수온)의 직선회귀가 성립되었다.

• 대한정형도수물리치료학회지
• /
• 제22권2호
• /
• pp.9-14
• /
• 2016

Purpose: Many people are suffering from Low back pain due to HIVD and muscular problems, lack of joint functions on lumbar spine. In this study we compared the change of the herniation index, Oswestry LBP disability index (OLDI), visual analog scale (VAS), lumbar flexion range of motion (ROM) between the pre-experiment and after 4 weeks treatment by maitland manual therapy. Method: we selected and managed both the 15 people. They are $46.80{\pm}15.46$ years old people with HIVD and Stenosis. We treated for the people with HIVD and Stenosis by manual therapy(maitland manipulation method) during 4 weeks. And then we compared with pre-experiment and after 12 weeks through measuring the herniation index change by using computor themograpy (CT), LBP OLDI, VAS, lumbar flexion ROM. Results: The changes in the herniation index, Oswestry lumbar Disability Index, VAS, lumbar flexion ROM between the pre-experiment and after 4 weeks treatment by maitland manual therapy, there was a statistically significant difference. Although there was a significant difference after 4 weeks in OLDI, VAS, lumbar flexion ROM. But disc herniation index was no significant difference. Conclusion: Manual therapy is very effective for Lumbago due to the HIVD and spinap stenosis patients. OLDI, VAS and lumbar flexion ROM were increased. But disc herniation index was no significant difference. We suggest the combination treatment between manual exercise and spinal traction.

• 한국수정란이식학회지
• /
• 제13권1호
• /
• pp.77-86
• /
• 1998

A combined technology of transvaginal ovum pick-up(OPU) system with in vitro-oocyte manipulation technique can be used for improving reproductive efficiency in the cattle. The objective of this study was to establish a newly-conceived breeding program using OPU in the pregnant cows. The OPU trial was performed in pregnant cows every 10 days from 40 through 90 days of artificial insemination (Al), and number of follicles in ovary, number of retrieved oocytes and embryo development following in vitro-fertilization, were evaluated. Reduced number of follicles in the ovaries of pregnant cows was firstly detected from 70 days after A' and a significant (P<0.05) decrease in the follicle number (5.4 follicles /donor) was found at 90 days than at 40, 50, 60 and 80 days after Al (8.0~9.2). A similar pattern was also observed in the number of oocytes retrieved by OPU apparatus during experimental period. When retrieved oocytes were matured and inseminated in vitro with frozen bull semen, development of the oocytes to the blastocyst stage was not significantly affected by the retrieval time. Four embryos (morula or blastocyst stage) derived from oocytes retrieved from pregnant cows were nonsurgically transferred to four recipient cows on day 7 of estrus cycle. For the first time in Korea, three of four transferred embryos developed to live calves with normal physiological parameters. In conclusion, an effective breeding program employing pregnant cow can be developed by use of OPU trial and in vitro culture techniques of oocytes ; OPU system could be repeated in pregnant cows with no risk of abortion and viable offsprings were borne after transfer to the recipients.

• 대한물리치료과학회지
• /
• 제6권2호
• /
• pp.1041-1062
• /
• 1999

This study is to stimulate the model of which top notch muscle stimuli physical therapy has been made on the basis of GCM. GCM has been studied on the hypermobility & hypomobility pattern on the part of spine & extremity, and the body characteristics of four body types, which is the tilting of seal scapular & ilium. The purpose of this study is to analysize the type of GCM which has been focused on the spine & extremity for the patients having dysfunctions of neuromuscular system, being analysized the movement. The result of this study is as following; 1) The First hypothesis: The hypermobility & hypomobility pattern assorted by the tilting of scapular & ilium, as does the former study analysize was claimed that it would be in line with the pattern for hypermobility hypomobility and physical characteristics according to each body type at the percentage of at least 60(p<.001). 2) The 2nd hypothesis : Stimuli therapy of muscle dealing with physical characteristics and joint hypermobility hypomobility has the important role in restoring the deformity and keeping anatomical postural plumb alignment also it would a highly effects on correcting the body even though the stimuli area was limited to four areas and it was lack of time compared with those applied by general physical therapy(p<.001). As above the result, the top-notch type for physical therapy based on hypermobility hypomobility pattern by 4 body types which has been studied on tilting of scapular & ilium is more specificed and specialized than those of general physical therapy technologies. So this study will be believed to dedicate to restoration ideal anatomical postural plumb alignment based on spinal Manipulation and the concept of whole person as well as to being simple and effective to apply.

• 한국환경복원기술학회지
• /
• 제13권5호
• /
• pp.1-11
• /
• 2010

It is very difficult to control the expansion of reed at a wetland ecological park due to their aggressive reproduction capability. Therefore, proper topography and wetland hydrology should be provided before the construction of a wetland ecological park. Appropriate measures should be taken at the initial stages to prevent reed expansion. Field experiments were conducted at the newly constructed wetland ecological park for 15 months to develop methods to control the reproduction and expansion of Phragmites communis. A complete shading method had the best effect on the prevention of reed reoccurrence among other methods. Complete removal of the rhizomes controlled the reed growth to a greater extent than cutting the aboveground shoots. Water-level manipulation was also better than a half-shading method for the prevention of reed reproduction. These results indicated that soil properties and edge effects can influence the reed growth. Cutting only the aboveground shoots facilitates the growth of reed. These results suggest that reed control should be implemented repeatedly and an alteration in the wetland topography and hydrology may be more effective in the long term. Combination of treatments such as water-level management with shading should be considered to control the growth of reed. Adoptive management for created or restored ecosystem might be considered for accomplishment of its original purpose.

• 척추신경추나의학회지
• /
• 제17권2호
• /
• pp.81-89
• /
• 2022

Objectives This report aimed to investigate the possibility of correcting facial asymmetry using cervical Chuna manipulation treatment and functional cerebrospinal technique and introduce meaningful additional improvement of systemic symptoms of non-surgical Korean medicine treatments through three case studies. Methods Three patients with facial asymmetry were treated using Korean medicine treatments. The effects of the treatments were all measured using photographs, lateral cephalograms, and whole-body radiogram and Likert scale. Results After Korean medicine treatment, there were significant correction effects of asymmetry in photography, cephalography, and whole-body radiogram and meaningful score of Likert scale. Conclusions This study suggested that Korean medicine treatments may be effective in facial asymmetry. Improving muscular asymmetry, including soft tissue asymmetry and functional asymmetry, has meaningful effects on maintaining an overall balance of the body. Facial asymmetry should be treated by making an alignment of the whole body and there should be further well-designed, randomized, and placebo-controlled trials to verify these results.

• Animal Bioscience
• /
• 제37권2_spc호
• /
• pp.370-384
• /
• 2024

Rumen microbiota play a central role in the digestive process of ruminants. Their remarkable ability to break down complex plant fibers and proteins, converting them into essential organic compounds that provide animals with energy and nutrition. Research on rumen microbiota not only contributes to improving animal production performance and enhancing feed utilization efficiency but also holds the potential to reduce methane emissions and environmental impact. Nevertheless, studies on rumen microbiota face numerous challenges, including complexity, difficulties in cultivation, and obstacles in functional analysis. This review provides an overview of microbial species involved in the degradation of macromolecules, the fermentation processes, and methane production in the rumen, all based on cultivation methods. Additionally, the review introduces the applications, advantages, and limitations of emerging omics technologies such as metagenomics, meta-transcriptomics, metaproteomics, and metabolomics, in investigating the functionality of rumen microbiota. Finally, the article offers a forward-looking perspective on the new horizons and technologies in the field of rumen microbiota functional research. These emerging technologies, with continuous refinement and mutual complementation, have deepened our understanding of rumen microbiota functionality, thereby enabling effective manipulation of the rumen microbial community.

• 대한한방소아과학회지
• /
• 제29권4호
• /
• pp.77-89
• /
• 2015

Objectives The purpose of this study is to analyze Korean clinical studies in Korean medicine and complementary and alternative medicine for allergic rhinitis and to propose for better methods of clinical studies and effective treatments on allergic rhinitis. Methods Electronic researches were performed with NDSL, RISS, KISTI, KISS, OASIS by keyword 'Allergic rhinitis'. Results The treatments used in 36 studies were herbal medicines, acupuncture, pharmacopuncture, moxibustion, cupping, inject medicine to nasal cavity, aroma therapy, ointment, nasal cleansing solution, laser treatment, infra-red therapy, oxygen nebulizer, diet treatment, moxa-pellet treatment, mindfulness meditation and space-spine manipulation techniques. The most common acupoints were LI4 and LI20 (Large Intestine Meridian). The most common methods of assessment is subjective nasal symptoms. All studies using subjective nasal symptoms and quality of life as assessment methods to show valid results on the improvement of allergic rhinitis. Conclusions This study shows that Korean medicine and complementary and alternative medicine on allergic rhinitis are effective. It will be expected to use that various methods for allergic rhinitis and more clinical studies for allergic rhinitis and pediatric patients needed in the future.