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최우진(Ujin Choi),전광일(Gwangil Jeon),장준혁(Joonhyouk Jang) 한국정보과학회 2012 한국정보과학회 학술발표논문집 Vol.39 No.1A
스마트 폰의 사용자가 급격하게 증가함에 따라 보안 관련된 다양한 이슈 및 관심도 함께 높아지고 있다. 스마트폰 대상의 악성 코드의 침입 경로가 다양화 되고 있으며, 개인 정보 유출 및 불법적 과금 등의 피해사례가 증가하는 추세에 있다. 하지만, 스마트 폰은 배터리를 사용하는 등의 자원 제약적인 특성을 가지고 있어 이러한 공격을 탐지하고 보호하기 위해서 일반적인 탐지 기법들을 그대로 사용하기 어렵다. 본 논문에서는 스마트 폰 환경에서 침입 탐지 기법의 종류를 분류하고 각 탐지 유형을 분석한다.
Encephalopathy caused by maternal deficiency of vitamin A in a calf
Lee, Kyunghyun,Kim, Jongho,Jeon, Ujin,Kim, Yeon Hee,Kim, Ha-Young,So, ByungJae,Choi, Eun-Jin The Korean Society of Veterinary Service 2019 韓國家畜衛生學會誌 Vol.42 No.4
Blindness was observed in five calves born from cattle fed only a commercial feed of growing stage and dried rice straws for about two years in a farm in Gyeongsangbuk-do province. Three of them died within a month after birth, and a body and sera of his mother and other 19 cattle were submitted for diagnosis. At necropsy, the calf was very weak and filled with cerebrospinal fluid in the cerebrum. Any histopathological lesion including atrophy of death of optic nerve cells was not observed, but the irregular proliferation such as lace pattern of choroidal cells and lymphocytic infiltration just below choroid was observed. No pathogen was detected as a result of the etiological tests on the internal organs of calves and bloods. In addition, the levels of serum vitamin A in different affected and his mother cattle were all lower than normal. Finally, we determined this case as an encephalopathy caused by maternal vitamin A deficiency in a calf. This report is an extreme example of how important it is to supply adequate s diets and a good quality of hay for each stage of growth in cattle.
Encephalopathy caused by maternal deficiency of vitamin A in a calf
Kyunghyun Lee,Jongho Kim,Ujin Jeon,Yeon Hee Kim,Ha-Young Kim,ByungJae So,Eun-Jin Choi 한국동물위생학회 2019 한국동물위생학회지 (KOJVS) Vol.42 No.4
Blindness was observed in five calves born from cattle fed only a commercial feed of growing stage and dried rice straws for about two years in a farm in Gyeongsangbuk-do province. Three of them died within a month after birth, and a body and sera of his mother and other 19 cattle were submitted for diagnosis. At necropsy, the calf was very weak and filled with cerebrospinal fluid in the cerebrum. Any histopathological lesion including atrophy of death of optic nerve cells was not observed, but the irregu-lar proliferation such as lace pattern of choroidal cells and lymphocytic infiltration just below choroid was observed. No pathogen was detected as a result of the etiological tests on the internal organs of calves and bloods. In addition, the levels of serum vitamin A in different affected and his mother cattle were all lower than normal. Finally, we determined this case as an encephalopathy caused by maternal vitamin A deficiency in a calf. This report is an extreme example of how important it is to supply ad-equate s diets and a good quality of hay for each stage of growth in cattle.