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        검색결과 7

        1.
        2020.12 구독 인증기관 무료, 개인회원 유료
        본 연구의 목적은 무작위의 일반인을 대상으로 유기견과 분양견의 인식 수준을 알아보 고 유기견과 분양견과의 비교 분석을 통해 유기견의 선호도가 낮은 이유를 파악하여 유기 견의 인식 개선방안과 그 필요성을 연구하는 것이다. 이에, 본 연구를 위하여 설문지법을 사용하였으며, 조사 대상자는 무작위 대상의 남녀 100명이었다. 결론적으로 유기견 입양 의 선호도를 끌어올릴 방안을 마련하고 인식개선방안을 수립했음을 시사했다.
        4,000원
        2.
        2017.12 KCI 등재 구독 인증기관 무료, 개인회원 유료
        A 2-year-old female Maltese dog was presented with a history of anemia and vaginal hemorrhagic discharge. Physical examination revealed severe vaginal hemorrhagic discharge, abdominal pain, pale mucous membranes, low blood pressure and dehydration. Results of serum biochemistry, hematology, venous blood gas, and electrolyte canine C-reactive protein (CRP) test revealed severe normocytic normochromic anemia, severe neutropenia, a high level of CRP, hypoglycemia, and imbalanced electrolytes. Abdominal ultrasound examination showed focal hypoechoic defect with loss of layering in uterine horn wall. A laparotomy revealed a clear reddish fluid in the abdomen, the fistula of left and right uterine horn, the purulent discharge from fistula, and symptoms of septic peritonitis near by the fistula site. The bitch underwent ovariohysterectomy and recovered without complication. Histopathological diagnosis of the uterine fistula site was adenocarcinoma.
        4,000원
        3.
        2016.12 KCI 등재 구독 인증기관 무료, 개인회원 유료
        The purpose of this study is to investigate and compare the change of wind velocity and processing efficiency of sulfuric compounds and more complex odors. The research was conducted in a facility specializing in odor prevention applications using upgraded existing research equipment (from 30 CMM to 200 CMM) on wastewater treatment. The research equipment was installed with the purpose of removing odor from the wastewater treatment (Pasteur Factory) located in Hoengseong-gun, GangWon. To investigate the treatment efficiency of hydrogen sulfide test samples were evaluated with different blower installation positions and changes in wind speed. The wind speed at the static pressure is about 1.70~2.08 times faster than that of the static pressure, although the blower power is different. The efficacy of sulfur compounds and complex odor treatment was 91.27% and 95.20%, respectively. The study results show that it is necessary to review the design point of wind speed due to the increase in facility scale. In addition, considering the characteristics of complex odor, it is necessary to consider additional surcharges. It was determined that the facility plan for odor prevention in relation to wind velocity will be reexamined. Ongoing research will also be considered to help identify any disadvantages and solutions for the ventilator positioning, which is currently installed in the back.
        4,000원
        4.
        2016.06 구독 인증기관 무료, 개인회원 유료
        로드 킬 현황에는 기간과 주기가 명확하지 않아 자료에 신뢰성이 낮기 때문에 로드 킬 저감 연구에 왜곡될 가능성이 높았다. 따라서 이 연구로 현실적인 대안을 제시하고자 한다. 한국도로공사에서 제공받은 자료를 활용, 분석한 결과 최근 5년(2010-2014) 간 전북 권 고속도로에서 발생한 야생동물 로드 킬 사고를 분석하였다. 전북권을 지나는 고속도로 7노선을 선정하여 조사한 결과 중부선(1472개채, 46.90%)이 압도적으로 높았다. 로드 킬을 당한 야생동물 중에 고라니(Hydropotes inermis)가 2010년도부터 2014년까지 84.60%로 다른 동물과 비교가 안 될 정도로 높게 측정되었다. 그리고 계절별 사고 수는 4계절 중 봄(31.73%)과 여름(30.05%)이 가장 많은 것으로 나타났다. 2013년도와 2014년 사고발생 시간 중 오전 7시에 79건 (9.11%)으로 사고건수가 가장 많았고, 오전 04-08시 구간이 323건(37.25%)을 차지하였다. 2010년도부터 2014년도까지 월별 사고 수는 5월(20.36%), 6월(18.67%)로 높게 측정되었다. 향후 지속적인 유사 연구를 통해 고속도로 로드 킬 감소에 야생동물과 국민의 안전 증진에 기여할 수 있을 것이라 판단되며, 이를 위해 부족했던 오차 범위, 사고 주기, 로드 킬 시간, 사고 원인 조사결과 등 자세한 통계가 필요하다.
        4,000원
        5.
        2014.07 서비스 종료(열람 제한)
        Maize is one of the most important food and feed crops in the world including Southeast Asia. In spite of numberous efforts with conventional breeding, the maize productions remain low and the loss of yields by drought and downy mildew are still severe in Asia. Genetic improvement of maize has been performed with molecular marker and genetic engineering. Because maize is one of the most widely studied crop for its own genome and has tremendous diversity and variant, maize is considered as a forefront crop in development and estimation of molecular markers for agricultural useful trait in genetics and breeding. Using QTL (Quantitative Trait Loci) and MAS (Marker Assisted Breeding), molecular breeders are able to accelerate the development of drought tolerance or downy mildew resistance maize genotype. The present paper overviews QTL/MAS approaches towards improvement of maize production against drought and downy mildew. We also discuss here the trends and importance of molecular marker and mapping population in maize breeding.
        6.
        2011.02 KCI 등재 서비스 종료(열람 제한)
        The studies on community structure of benthic macroinvertebrates and environmental survey in selected four sites were performed on wetland Upo from 2008 to 2009. The lowest water temperature was measured at Upo and Mokpo showing 7℃ in February of 2008 and 2009 respectively. The highest water temperature was measured at Upo showing 32℃ in August of 2009. The lowest pH was measured at Topyeong with 5.3 in August of 2009, and the highest pH was measured at Mokpo with 10.1 in August of 2008. Generally the levels pH of 2008 were higher than those of 2009. The range of electric conductivity to the sites was big. Overall, the higher electric conductivity was seen at Sajipo and the lower one was seen at Mokpo. The level of Dissolved oxygen was lowest at Upo with 5.53㎎/ℓ in August 2008, and it was highest at Upo with 14.76㎎/ℓ in February of 2008. The investigation was performed with both quantitative and qualitative collecting methods from four surveying sites, Upo, Mokpo, Sajipo and Topyeong. Through the eight times of seasonal survey, 6 classes, 17 orders, 59 families, 131 species and 5460 individuals of benthic macroinvertebrates were collected. 6 classes, 17 orders, 53 families 106 species and 2439 individuals were identified in 2008, and 6 classes, 16 orders, 44 families, 93 species and 3021 individuals were collected in 2009. The number of species was decreased in 2009 comparing that of 2008, however, the number of individuals were increased in 2009. The dominant species and the subdominant species was Plea (Paraplea) indistinguenda and Diplonychus esakii with 20.16% and 11.90% of dominant indices respectively. From the community analysis, both the species diversity index and the species richness index were highest in Topyeong showing 4.743 and 9.054 respectively. The similarity evaluation to the investigation sites with the species in there showed very high similarity among Upo, Mokpo and Sajipo showing 5 or lower levels of distance cluster combine.
        7.
        2009.12 KCI 등재 서비스 종료(열람 제한)
        The study on community structure of benthic macroinvertebrates from wetland Woopo was conducted for the long-term ecological monitoring. The wetland Woopo is located in Changnyeong-Gun, Gyeongsangnam - Do of Korea. In 2006, we investigated the seasonal variation of benthic macroinvertebrates with quantitative and qualitative collecting methods. The collection was performed monthly at four surveying region, Woopo, Sajipo, Mokpo and Topyong stream. In this study, 6 classes, 16 orders, 48 families, 95 species were identified on group of benthic macroinvertebrates. The species diversity index and the species richness index were the highest in Topyung region and it was 3.222 and 10.216 respectively. The two species, Cercion calamorum and Cloeon dipterum were quantitatively collected for 9 months. The changes of body lengths of 50 individuals were recorded and the advanced growth on the two species was expected from present study.