• Title/Summary/Keyword: shattering

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Cryo-grinding Characteristics of Frozen Fish Meat at Different Temperature (동결온도에 따른 어육의 동결마쇄특성)

  • HONG Sang-Pill;YANG Seung-Yong;LEE Nam-Hyuk;KIM Dong-Soo
    • Korean Journal of Fisheries and Aquatic Sciences
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    • v.29 no.5
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    • pp.578-585
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    • 1996
  • Cryo-grinding process comprising hammer mill-shattering and colloid mill-grinding without refrigerant was applied to sardine, pollack and squid muscle frozen at $-20^{\circ}C,\;-40^{\circ}C\;and\;-80^{\circ}C$, respectively and its characteristics were investigated. Particle size distribution of shattered product was shown larger in the order of squid, sardine and pollack and particle size of shattered product frozen at $-80^{\circ}C$ was shown smaller than those at $-40^{\circ}C$. Image of shattered product depended on freezing temperatures and fish species, suggesting particle size distribution of rheological properties can be dependent on fish species or freezing temperature. Yield of cryo- grinded product was in the range of $52.5\~62.5\%$ and Ca content of sardine or pollack product was $6\~8$ times higher than its fillet. Emulsion capacity of cryogrinded product was not decreased during processing. Therefore, this method is thought to be applicable to fish precessing, and preparation of fish paste or powaer.

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Compression Characteristics of Jeju Island Beach Sands (제주 해안지역 모래의 압축 특성)

  • Nam, Jung-Man;Cho, Sung-Hwan;Kim, Tae-Hyung
    • Journal of the Korean Geotechnical Society
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    • v.23 no.6
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    • pp.103-114
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    • 2007
  • Sands distributed in Jeju island's coastal areas, Korea, can be classified as silicate sand derived from volcanic rock, carbonate sand derived from shells, and mixed sands containing both silicate and carbonate sands. These three types of sands typically exist in Jeju coastal areas. Samples of silicate, carbonate and mixed sands were obtained from Samyang beach, Gimnyeong beach, and Jeju harbor area, respectively. Compression tests were conducted to assess the compression characteristics of these sands. As a result of these tests, each sand showed different behaviors. For Samyang beach sand, it appeared that initial compression is a larger than the other two sands. For Cimnyeong and Jeju harbor sands, however, the additional compression occurred after initial compression. This could result from the crushing, shattering, and rearrangement of sand particles. In addition, settlement behavior of Jeju harbor ground according to the construction stages was analyzed using the measured data. It showed that in addition to the initial elastic compression, a considerable additional compression occurred with time. The settlements of Jeju harbor ground were predicted by using the elastic settlement calculation methods (empirical methods) and the compression test method. The empirical methods, which did not consider the crushing, shattering, and rearrangement of particles could show smaller result than that occurring actually.

Qualitative Study on the Experience of Patients with Meniere Disease (메니에르병 환자의 질병 체험 연구)

  • Joung, Woo Joung
    • Journal of Korean Academy of Nursing
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    • v.50 no.5
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    • pp.699-713
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    • 2020
  • Purpose: The purpose of this study was to understand and describe the experiences of patients with Meniere disease. Methods: Data were collected from February 19, 2019, to February 5, 2020, through individual in-depth interviews with 13 Meniere patients. Verbatim transcripts were analyzed using Colaizzi's phenomenological analysis. Results: The experiences of patients with Meniere disease were clustered into the following four themes from 22 meaning units: 1) Complex unfamiliar symptoms that shatter both balance of the body and peace of the heart; 2) A disease that medical treatment and health professionals cannot cure; 3) Suffering hardships that cannot be understood by non-Meniere sufferers; and 4) Making daily efforts to become healthier. Symptoms of Meniere disease are life-shattering and depressing because they are neither visible nor easily curable. Over time, as they accepted the reality of living with the disease, the participants would shift their focus from complete symptomatic cure to leading a healthy and more balanced life. Conclusion: This study shows that Meniere disease has a pervasive impact on all aspects of the patients' lives. Patients are prone to experiencing restrictions in their social functioning and activities. They also experience psychosocial problems due to the unseen nature of their symptoms. This study elucidates the experiences of Meniere patients and the need for nursing intervention to help improve their quality of life and ability to self-manage. Lastly, this study shows the need for a coordinated interdisciplinary approach to raising public awareness of the disease.

Prediction of Long-Term Settlement of Sands Containing Carbonates (탄산염 성분이 포함된 사질토의 장기침하 예측)

  • Hwang, Woong-Ki;Lee, Yong-Su;Hwang, Joong-Ho;Kim, Tae-Hyung
    • Proceedings of the Korean Geotechical Society Conference
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    • 2009.03a
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    • pp.993-998
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    • 2009
  • This study was conducted to propose the model that is able to predict long-term settlement of sands containing carbonates. We can observe that in addition to the initial elastic compression, a considerable additional compression occurs with long-term period in some sands. The compressibility of sands is significantly dependent on particle characteristics. Some sands have many pores and particularly has an angular shape. To predict of long-term settlement of these sands which contain carbonates, first of all a variety of tests which are to assess chemical, physical and compression characteristics of these sands were conducted. Second, in order to know settlement with time, the time parameter was determined by analyzing the measured data obtained from $\bigcirc\bigcirc$ area. The measured settlement of this area shows that in addition to the initial elastic compression, a considerable additional compression occurring with time. It was caused by the crushing, shattering, and rearrangement of particles, which were real phenomena in sandy soils under loading condition. Based on this case study, we proposed that a simple method is able to predict settlement with time of sandy soil containing carbonates.

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Late reconstruction of extensive orbital floor fracture with a patient-specific implant in a bombing victim

  • Smeets, Maximiliaan;Snel, Robin;Sun, Yi;Dormaar, Titiaan;Politis, Constantinus
    • Journal of the Korean Association of Oral and Maxillofacial Surgeons
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    • v.46 no.5
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    • pp.353-357
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    • 2020
  • Fractures of the orbital floor and walls are among the most frequent maxillofacial fractures. Virtual three-dimensional (3D) planning and use of patient-specific implants (PSIs) could improve anatomic and functional outcomes in orbital reconstruction surgery. The presented case was a victim of a terrorist attack involving improvised explosive devices. This 58-year-old female suffered severe wounds caused by a single piece of metal from a bomb, shattering the left orbital floor and lateral orbital wall. Due to remaining hypotropia of the left eye compared to the right eye, late orbital floor reconstruction was carried out with a personalised 3D printed titanium implant. We concluded that this technique with PSI appears to be a viable method to correct complex orbital floor defects. Our research group noted good aesthetic and functional results one year after surgery. Due to the complexity of the surgery for a major bony defect of the orbital floor, it is important that the surgery be executed by experienced surgeons in the field of maxillofacial traumatology.

Effect of Acetic Acid Fumigation to Prevent Postharvest Decay of Grapes (초산훈증에 의한 포도저장병의 발생억제 효과)

  • Park, Seok-Hee;Roh Young-Kyun;Cho, Doo-Hyun;Choo, Yeun-Dae
    • Food Science and Preservation
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    • v.7 no.3
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    • pp.241-244
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    • 2000
  • Grapes(Vitis labruscana B) were fumigated with acetic acid at 20mg/liter to reduce storage decay and packaged with polyethylene film(0.03mm), then stored for 90 days at 2$^{\circ}C$. Modified atmosphere packaging reduced slightly weight loss and soluble solids content during storage. Acetic acid fumigation decreased effectively berry shattering and achieved remarkable control of rotting for storage. Two grape cultivars, 'Campbell Early' and 'Sheridan', fumigated with acetic acid had only 0.7~2.9 berries rot compared with 8.3~27.6 berries rot of cluster for grapes that were not fumigated.

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Transition of Rice Cultural Practices during Chosun Dynasty through Old References. III. Differentiation of Rice Varieties in the Dynasty (주요 고농서를 통한 조선시대의 도작기술 전개과정 연구 III. 조선시대의 벼 품종 분석)

  • Lee, Sung-Kyum;Guh, Ja-Ok;Lee, Eun-Woong;Lee, Hong-Suk
    • KOREAN JOURNAL OF CROP SCIENCE
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    • v.36 no.4
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    • pp.370-381
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    • 1991
  • In Nongsajiksul, rice varieties were not appeared but varieties groups were introduced and divided according to growth periods, or 'Sun, Gang, Na'or introduced names of some of local varieties. However, the weather conditions for rice culture in Korea were characterized by 'early drought and late flooding', and winds and rains in summer, so that rice safe harvest by avoiding these disasters was the most important. Thus, development of rice varieties after the 15th century has gradually been adapted for ‘early-seeding and early-harvesting’, and for disaster tolerance. With time, rice varieties, which were early maturing, had awned, had color on panicles, had tolerance for grain shattering, had tolerance for winds, and had good responses to fertilizers, were grown in large areas.rown in large areas.

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Adaptability of the high first pod height, shattering-resistant soybean cultivar 'Saegeum' to mechanized harvesting (고착협 내탈립 기계수확 적응 장류·두부용 콩 품종 '새금')

  • Kim, Hyun Tae;Han, Won Young;Lee, Byung Won;Ko, Jong Min;Lee, Yeong Hoon;Baek, In Youl;Yun, Hong Tai;Ha, Tae Joung;Choi, Man Soo;Kang, Beom Kyu;Kim, Hyun Yeong;Seo, Jeong Hyun;Kim, Hong Sik;Shin, Sang Ouk;Oh, Jae Hyun;Kwak, Do Yeon;Seo, Min Jeong;Song, Yoon Ho;Jang, Eun Kyu;Yun, Geon Sik;Kang, Yeong Sik;Lee, Ji Yun;Shin, Jeong Ho;Choi, Kyu Hwan;Kim, Dong Kwan;Yang, Woo Sam
    • Korean Journal of Breeding Science
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    • v.51 no.4
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    • pp.496-503
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    • 2019
  • The soybean cultivar, 'Saegeum', has been developed for preparing soy-paste and tofu. The soybean cultivars 'Daepung' and 'SS98207-3SSD-168' were crossed in 2003 to obtain 'Saegeum'. Single seed descent method was used to advance the generation from F3 to F5, and the plant lines with promising traits were selected from F6 to F7 by pedigree method. The preliminary yield (PYT) and advanced yield trials (AYT) were conducted from 2009 to 2010, and the regional yield trial (RYT) was conducted in 12 regions between 2011 and 2013. The morphological characteristics of 'Saegeum' were as follows: determinate plant type, white flower, tawny pubescence color, and brown pod color. Flowering and maturity dates were August 2, XXXX and October 17, XXXX, respectively. Plant height, first pod height, number of nodes, number of branches, and number of pods were 79 cm, 18 cm, 16, 2.3, and 44, respectively. The seed characteristics of 'Saegeum' were as follows: yellow spherical shape, yellow hilum, and the 100-seed weight was 25.4 g. 'Saegeum' was resistant to bacterial pustule and SMV in the field test, and its lodging resistance was mildly strong, whereas its shattering resistance was excellent. The ability of this cultivar to be processed into tofu, soybean malt, and other fermented products was comparable with that of 'Daewonkong'. The yield of 'Saegeum' in the adaptable regions was 3.02 ton ha-1. Thus, 'Saegeum' is adaptable to mechanized harvesting because of its high first pod height, as well as lodging and shattering resistance. (Registration number: 5929)

Breeding of a Seedless Table Grape Cultivar 'Heukisul' (Vitis sp.) with High Quality (고품질 무핵 포도 품종 '흑이슬' 육성)

  • Park, Sung-Min
    • Horticultural Science & Technology
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    • v.29 no.5
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    • pp.507-509
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    • 2011
  • 'Heukisul' (3x) a cross made in 2000 between 'Kyoho' (4x, Vitis sp.) and 'Thompson Seedless' (2x, Vitis vinifera L.) in a seedless grape breeding program, was preliminarily selected in 2004. After regional adaptation testing under the name of 'KTS014' at two sites during 2004-2005, it was finally selected in 2006. 'Heukisul' showed low incidence of berry shattering, resulting in a good berry set compared to 'King Dela'. 'Heukisul' had budburst on April 23, flowering on in June 9, and fruit maturation in September 29 (almost the same as 'King Dela' at Chuncheon), and it was considered a midseason cultivar. The mean berry weight was 4.0 g, about 0.7 g heavier than 'King Dela', and mean soluble solids were $21.9\;^{\circ}Brix$, about $2.7\;^{\circ}Brix$ higher than 'King Dela'. The skin color was dark violet with abundant bloom and the flesh was very firm. Although the cluster was compact, it required no cluster thinning. Also the incidence of berry cracking was very low.

Genetic Analysis of Pod Dehiscence in Soybean

  • Kang Sung Taeg;Kim Hyeun Kyeung;Baek In Youl;Chung Moung Gun;Han Won Young;Shin Doo Chull;Lee Suk-Ha
    • KOREAN JOURNAL OF CROP SCIENCE
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    • v.50 no.4
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    • pp.281-285
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    • 2005
  • Pod dehiscence (PD), defined as the opening of pods along both the dorsal and ventral sutures, causes the seed to shatter in the field before harvesting and results in loss of seed yields. However, breeding for resistance to PD is difficult due to the complicated genetic behavior and environmental interaction. The objective of the present research was to analyze the genetic behavior of PD for improving the breeding efficiency of resistance to PD in soybean. PD after oven-drying the sampled pod at $40^{\circ}C$ for 24 hours was the most reliable to predict the degree of PD tested in the field. Keunolkong, a dehiscent parent, was crossed with non-dehiscent parents, Sinpaldalkong and Iksan 10. Using their $F_1\;and\;F_2$ seeds, PD was measured after oven drying the pod at $40^{\circ}C$ for 24 hours. The gene conferring PD behaved in different manners depending on the genetic populations. In the Keunolkong$\times$Sinpaldalkong population, PD seemed to be governed by single major recessive gene and minor genes, while several genes were probably involved in the resistance to pod dehiscence in the Keunolkong$\times$Iksan 10 population. Heritability for PD estimated in F2 population showed over $90\%$ in the two populations. High heritability of PD indicated that selection for resistance to PD should be effective in a breeding program. In addition, genetic mapping of quantitative locus (QTL) for PD in both populations may reveal that genes conferring PD are population-specific.