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Study on the Soil Improvement in the Grassland II. Effects of the dolomite particles and the shell powder application on soil characteristics, dry matter yield and nutritive value of forages in sandy loam soil (초지에서 토양 개량에서 관한 연구 II. 사양토에서 도로마이트 입자도와 패각분 시용이 토양 특성과 목초의 수량 및 사료가치에 미치는 영향)

  • Lee, J.K.;Choi, S.S.;Kim, M.J.;Yoon, S.H.;Park, G.J.;Choi, K.C.;Lee, S.C.
    • Journal of The Korean Society of Grassland and Forage Science
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    • v.19 no.4
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    • pp.373-378
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    • 1999
  • This study was conducted to investigate the effects of application of the dolomite particles and the shell powder on soil characteristics, dry matter yield and nutritive value of forage in sandy loam soil at the Experimental Field of National Livestock Research Institute, Suweon, from 1994 to 1996. This was compared with control, lime, dolomite 0.5mm, 2.0mm, 4.0mm, and shell powder in mixed pasture. Although there was no significant difference, average dry matter yield for 3 years was increased with the application of lime, dolomite 2.0mm, 0.5mm, control, 4.0mm and shell powder in order. Average crude protein yield of forages was increased with the application of dolomite 2.0mm, 0.5mm, control, lime, shell powder and 4.0mm in order. Lime requirement was slightly increased from 2,410 to 4,853kg per ha with the lapse of time. Although soil hardness was optimum level by second year, it was apt to become hard little by little. Solid phase of soil was lowered with dolomite 0.5mm treatment. The results demonstrated that dolomite and shell powder could be settled a dust problem in farms and a coast pollution as lime substitutes for soil improvement. Therefore, it is desirable for dry matter yield and crude protein yield to applicate the dolomite 2.0mm every 3 years and the shell powder more frequently in sandy loam soil.

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Control Effect of Coffee Ground Compost and Velvet bean Against Root-Knot Nematode, Meloidogyne incognita in Pumpkin (커피박 퇴비와 벨벳콩을 이용한 호박의 고구마 뿌리혹선충 방제효과)

  • Kim, Min-Jeong;Shim, Chang-Ki;Kim, Yong-Ki;Hong, Sung-Jun;Park, Jong-Ho;Han, Eun-Jung;Huh, Chang-Seok;Ryu, Young-Hyun;Jee, Hyeong-Jin;Kim, Seuk-Chul
    • The Korean Journal of Pesticide Science
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    • v.20 no.1
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    • pp.47-55
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    • 2016
  • The purpose of this study was to control root-knot nematode, Meloidogyne incognita on pumpkin seedling with 10%, 20% coffee ground compost and 1% plant velvet bean powder (plain skin bean, leopard skin bean, hole plant, bean pod). Among the root-knot nematode insecticide treatments, the velvet bean plant powder was the highest mortality rate with 83.2% in greenhouse condition. In addition, the root-knot nematode second juvenile mortality significantly increased with the lapse of processing time for each concentration of leopard skin velvet bean extract in vivo. After 24 hours, the mortality rate of root-knot nematode showed the highest at 1.2% and 2.4% of leopard skin velvet bean extract. The growth promoting effect of seedlings pumpkin, 20% of coffee ground compost treatments inhibited the growth of pumpkin seedlings and 1% the tiger pattern velvet beans powder was the most to promote the growth of pumpkin seedlings. However, the results indicated that the organic materials of velvet beans and coffee ground compost are expected to be able to effectively control the root-knot nematode and further studies will be needed for the concentration and application methods.

Effects of Soil Fertilizers on Was Content, Contact Angle, Mineral Nutrient Content of Japanese Red Pine(Pinus densiflora Sieb. et Zucc.) Leaves and Soil Acidity of Japanese Red Pine Communities in Na (남산과 광릉지역 소나무림 토양시비가 소나무잎의 왁스함량, 접촉각 및 무기양이온 함량과 토양산도에 미치는 영향)

  • 최기영;이용범;조영렬;이경재
    • Journal of Korean Society for Atmospheric Environment
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    • v.12 no.3
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    • pp.255-262
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    • 1996
  • This study was carried out to investigate the effects of soil fertilizers on wax content, contact angle, mineral nutrient content of Japanese red pine (Pinus densiflora Sieb, et Zucc.) leaves and soil acidity of Japanese red pine communities in Namsan and Kwangnung to see whether they can recover forest decline. Japenese red pine communities were treated with $Ca(OH)_2$, $Mg(OH)_2$, $Ca(OH)_2+Mg(OH)_2$+C.F.(compound fertilizer) in a randomized complete block design with 3 replication from November, 1990 through October, 1993. Wax content, contact angle value and mineral nutrient content of Japanese red pine leaves and soil pH of communities were measured and the results obtained are as follows: 1. Contact angle value and wax content of Japenese red pine leaves increased when the fertilizers were applied in soil. The order leaves grew, the smaller their contact angle values. 2. K and Ca contents of Japanese red pine leaves were higher in Namsan than in Kwangnung, whereas Mg content was higher in Kwangnung. K and Mg contents of the leaves increased with fertilization both in Namsan and Kwangnung. 3. Soil acidity of pH 4.2 ~ 4.3 was shown in Namsan and pH 4.6 ~ 4.9 in Kwangnung. No acidity changes were shown when the fertilizers were applied in soil. However with the lapse of the soil fertilizer application time, there was the indication that soil pH became higher in the fertilizer treatments than in the control.

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William Faulkner's Requiem for a Nun: Temple's Moral Growth (윌리엄 포크너의 『어느 수녀를 위한 진혼곡』: 템플의 도덕적 성장)

  • Jeong, Hyun-sook
    • Journal of Convergence for Information Technology
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    • v.8 no.1
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    • pp.105-114
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    • 2018
  • The purpose of this study is to reconsider whether Temple in William Faulkner's Requiem for a Nun has grown morally. Temple in Sanctuary, the previous work was raped with a corn cob by Popeye and perjured in the court, resulting in Lee Goodwin's brutal death. Now she is now a mother of two children and a wife of Gowan Stevens, but she cannot get out of the past and tries to run away with Pete, Red's brother, but she was resisted by Nancy Mannigoe, a nanny. Nancy tries to stop Temple sacrificing herself and Temple's baby. When confronting Nancy who accepted her death sentence without hesitation, Temple realized her past guilt which never fades out. A lapse of 20 years between Sanctuary and Requiem provides Temple and author himself opportunities for spiritual and moral growth in spite of painful realization that the past is never past. On the other hand, Faulkner tells the history and the past of Jefferson elaborating the description of the courthouse and the jail. Both are correlated in thematic perspective, the former representing humanity's need for security, the latter the opposite impulse toward aggression and destruction. but together represent the presentness of the past and the fluidity of time.

Residue of Herbicide Napropamide and Change of Microorganism in Upland Soil Under Different Environmental Conditions (환경조건 차이에 따른 밭 토양중 제초제 Napropamide의 잔류 및 토양미생물상 변화)

  • Han, S.S.;Jeong, J.H.;Choi, C.G.
    • Korean Journal of Weed Science
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    • v.14 no.4
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    • pp.298-313
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    • 1994
  • Residue of herbicide napropamide [N,N-dimethyl-2-(1-napthoxy)-propionamide] and change of micro-organism were investigated in upland soil under different environmental conditions. Half-lives of degradation were 28.3 days in the sterile soil and 14.6 days in the nonsterile soil, respectively. These results suggest that microorganism remarkably affected the decomposition of napropamide. Napropamide was rapidly degraded in order of 60% > 80% ${\geq}$ 40% soil moisture content of field water-holding capacity. Numbers of bacteria and total microbes in 60% moisture content was more than those in 40% moisture content. The more the napropamide degradation was rapid in lower soil pH. The total number of microorganism increased by lapse of time after treatment of napropamide at pH 5.5. The decomposition rate of napropamide was rapid in the order of $27^{\circ}C$ > $37^{\circ}C$ > $17^{\circ}C$. At $17^{\circ}C$ of soil temperature actinomycetes in napropamide treatment plot was more than these in nontreatment plot and also at $27^{\circ}C$ and $37^{\circ}C$ bacteria in napropamide treatment plot was more than those in nontreatment plot. Napropamide degradation was more rapid and number of microorganism was more abundant at the concentration of 10ppm than at that of 20ppm. The half-life of napropamide was longer in the clay loam soil than in the silty loam soil. The half times in laboratory test than in upland field. Numbers of microbes in the experiment under all the test environmental condition was not significantly different between treatment and nontreatment of napropamide.

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A Study on Sub-base Composition Effect of Forest Road Using Geosynthetics for Passage of Large Logging Trucks (대형 목재운송차량 통행에 적합한 토목섬유 활용 임도 노반조성 효과분석)

  • Hwang, Jin-seong;Ji, Byoung-yun;Kweon, Hyeong-keun;Lee, Kwan-hee
    • Journal of Korean Society of Forest Science
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    • v.107 no.3
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    • pp.287-293
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    • 2018
  • This study was carried out to provide surface bearing capacity reinforcement of forest road by sub-base facilities based on a soft ground use of geosynthetics to prevent the damage of the road surface passing heavy logging trucks and to pass smoothly heavy truck against growing timber harvesting. The analysis of the road surface bearing capacity as progressing time and the increase of the number of passage of heavy logging trucks were conducted experimental section of forest road on the soft ground in the Forest Technology and Management Research Center. As a result, it was found that the road surface bearing capacity were stabilized at CBR of 15% or more, the effect of reinforcement by type of geosynthetics showed no significant difference after the lapse of about 1 year. After reaching the passage of 300 times for the heavy logging trucks on the sub-base construction section, the settlements was stabilized below the allowable standard of 50 mm, road surface bearing capacity also improved to more than CBR 20% and there was no significant difference in the thickness of the sub-base. However, in the section where the sub-base is not constructed, it is found that the lack of surface bearing capacity with the settlements more than the allowable standard is not possible to pass the heavy logging trucks. Therefore, in order to reinforce the road surface bearing capacity of the soft ground for the passage of the heavy logging trucks, it is necessary to construct a sub-base of at least 0.2 m when using geosynthetics.

Effects of Artificial Water Treatment on Chlorophyll Contents and Photosynthetic Characteristics in Fraxinus rhynchophylla and Fraxinus mandshurica Seedlings (인위적인 수분처리에 의한 물푸레나무와 들메나무의 엽록소 함량 및 광합성에 미치는 영향)

  • Lee, Soo-Won;Choi, Jeong-Ho;Chung, Jin-Chul;Kwon, Ki-Won;Yoo, Se-Kuel;Bae, Jong-Hyang
    • Journal of Bio-Environment Control
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    • v.17 no.2
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    • pp.101-109
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    • 2008
  • The content of chlorophyll a, b have generally increased for Fraxinus rhynchophylla and Fraxinus mandshuricain the order of month of June B>C and >D. Therefore we suppose the photosynthesis rate will increase if the moisture level is high and in regardless of the growth stage.

Correlation Between the Jang and Bu Organs and Jeesan′s Diagram of Pulse (장부상통과 지산도표의 이해)

  • Kim Kyung Chul;Lee Yong Tae
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.17 no.3
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    • pp.617-623
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    • 2003
  • The following conclusions are drawn from a review on the theory of correlation between the jang-bu organs in 'Ojangchunchaklon(五臟穿鑿論)' which is quoted in 'Uihakipmoon(醫學入門)' and 'Donguibogam(東醫寶鑑)'. The three yangs and three yins are trisections each of yang ki and y1n ki. They represent three aspects of change in powers of yin ki and yang ki. The theory of Kaehapchu(開闔樞 the opening, closing and pivot) is thought to be the concept which explains the three states of jang-bu organs and meridians in terms of three yangs and three yins. The three yangs and three yins are assigned to twelve months according to the generation, prosperity and vanishment of the water, the fire, the wood and the metal in the circulation of nature with the lapse of time. Most of all, the change of the water and the fire is the main guide to the assignment. Both the theory of exterior-interior relations in jang-bu organs and meridians and the theory of Kaehapchu are founded on the assignment of three yangs and three yins to twelve months. The correlation between jang-bu organs is based on the monthly assignment of three yangs and three yins described in 'Internal classic(內經)' and the theory of Kaehapchu. In the correlations between jang-bu organs and meridians, the exterior-interior relations are the correspondences of Hand to Hand and Foot to Foot. but the relations of Kaehapchu are those of Hand to Foot and Foot to Hand. Jeesan's diagram of pulse is grounded on the correlations between jang-bu organs. On the left of the diagram, jang organs are arranged in the order of hierarchic positions in body. On the right, bu organs are disposed according to the correlations with the jang organs. Jeesan's diagram includes the principles of triple harmony and diagonal groups in twelve earthly branches(十二支). Jeesan's diagram is the frame through which correlations of jung-ki-shin-hyul, five jang and six bu organs, twelve meridians and six intrinsic factors can be observed at once.

Consideration on Application of Modified Monitored Anesthetic Care in Plastic Surgery (성형외과 영역의 수술 시 마취하 감시관리의 응용에 대한 고찰)

  • Cho, Geon;Suh, In-Suck;Choi, Young-Ryong;Chung, Mi-Hwa;Tak, Kyoung-Seok;Park, Young-Kyu;Kim, Jae-Hyun;Ko, Eung-Yeol;Sung, Ha-Min
    • Archives of Plastic Surgery
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    • v.38 no.1
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    • pp.7-14
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    • 2011
  • Purpose: Many patients have fear for surgery owing to the injection of lidocaine and the possible pain in the course of the operation. To resolve such a problem the cases to do plastic surgery with monitored anesthetic care are increasing, in which something like sedatives is injected into vein without endotracheal intubation and under voluntary respiration, but the usage is now under the controversy. Methods: There were 25 patients who had surgery with local anesthesia, and another 25 patients who had surgery with monitored anesthetic care which belongs to ASA class 1 and 2 from January to April, 2009. Their anesthesia records were collected and surveys were given before and after the surgery and the surgery staff recorded OAA/S during the surgery. The postoperative surveys included the awakening during the surgery, pain, anxiety, and the degree of patient's satisfaction through visual analogue scale to identify the difference between the two methods. Results: The OAA/S results according to time lapse show that it is possible to lead a fast effective sedation and recovery with monitored anesthetic care, and monitored anesthetic care enhances both surgeon's convenience level and patient's satisfaction level, and reduces awakening, pain, and anxiety, compared to local anesthesia. Conclusion: The current paper shows about the plastic surgery, particularly the outpatient surgery, when monitored anesthetic care method is applied, it could gain a fast sedation and recovery or an effective sedation of patients. The method also has some affirmative effects in regard with surgeon's convenience and the patients' satisfaction degree and the reduction of their awakening, pain, and anxiety. With careful and adequate watch on the measures about vital signs like electrocardiogram, the degree of oxygen saturation, and blood pressure, it could clinically be very useful.

The Effects of Supplementation of BSA or Fatty Acid Free BAS on the Motility of Fresh or Cryopreserved Rooster Spermatozoa (BSA 또는 Fatty Acid Free BSA 첨가가 닭 희석 정자와 동결 정자의 생존성에 미치는 영향)

  • Kim, Sung Woo;Kim, Min Soo;Yu, Yeonhui;Kim, Chan-Lan;Jeon, Ik Soo;Kim, Chongdae
    • Korean Journal of Poultry Science
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    • v.44 no.1
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    • pp.59-65
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    • 2017
  • This study examined factors affecting the analysis of motility of chicken semen. The viability of spermatozoa was estimated using varying dilution ratios and supplementation with BSA or fatty acid free (FAF)-BSA as protein sources in semen diluent. Fresh semen was examined after preparing dilutions in beltsvile poultry semen extender (BPSE) of 1/8, 1/16 and 1/32 at $25^{\circ}C$. The motility of incubated semen at each dilution was observed at 3 min (89.9%, 69.9% and 53.2%), 30 min (86.7%, 71.4% and 51.7%), 1 h (89.5%, 74.0% and 53.5%) and 3 h (78.5%, 66.5% and 45.7%), respectively. The addition of BSA or FAF-BSA to BPSE diluent significantly increased the viability of semen in 1/32 dilution with results of 53.2% (control), 84.8% (BSA) and 92.9% (FAF-BSA) (p<0.05). This phenomenon was also observed in the dilution of frozen semen, where FAF-BSA treatment increased the viability of thawed semen from 17.6% to 34.0% in a 1/8 dilution (p<0.05). When the protein sources were used in the dilution, the survival rates of diluted chicken semen were also increased with time lapse. These results show that FAF-BSA may act to protect chicken semen and is suitable as a basic component of chicken semen diluent for the method of analyzing rooster semen after freezing.