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X-Ray 및 Neutron 조사에 의한 Toxoplasma gondii의 병원성 및 형태학적 변화에 대하여
한태우,Han, T.W. 대한수의학회 1970 大韓獸醫學會誌 Vol.10 No.2
Series of experiments were conducted to determine lethal does of X-ray and Neutron on Toxoplasma gondii. strain RH and IRI. As well morphological changes of Toxoplasma gondii irradiated or not were compared by use of electron microscope. The pathogenicity test of the irradiated and nonirradiated Toxoplasma gondii was made in mice guinea-pigs, rabbits and pigs: The letahl dose of X-ray and Neutron on RH and IRI strain and the growth rate between two strains after irradiation were shown little differences. Morphological changes were not observed until 18th passage was made. After then, the growth rate was decreased apparently, and atrophied forms were frequently observed in electron microscope. Survival time of animals inoculated with irradiated strain was longer than that of animals giving non-irradiated strain, and Toxoplasma gondii were isolated from all the dead animals. But it is of interest that pigs survived after injection of Toxoplasma gondii remained health and much attempts were failed toisolate Toxplasma gondii remained health and much attempts were slaughtered them. Animals were succumbed after injection of Toxoplasma gondii without any relationship with serum titers. (HA antibody).
피로풀라스마병(病)에 관(關)한 연구(硏究) 실험동물(實驗動物)에 대(對)한 감염시험(感染試驗) 및 그 형태학적(形態學的) 변화(變化)에 대(對)하여
한태우,Han, T.W. 대한수의학회 1968 大韓獸醫學會誌 Vol.8 No.2
The small type piroplasma which is known to be prevailing in Korean cattle was injected to un-susceptible hosts such as mice, guinea pigs, rats, rabbits, fowls and developing chicken eggs by i.v., i.p, and intra C.A.M. routes, and its morphological development in each animal species was observed. 1. The small type piroplasma of cattle did not produce any pathogenicity in the experimental animals such as mice, guinea pigs, rats, rabbits, fowls and developing chicken embryos. However, only a partial sign for developing cycle of the organism was observed in the peritoneal fluid. The schizogony of protozoa was not detected in any organs of the inoculated animals. 2. In the animals inoculated, the parasites of I-III types, relative to the process of time in the host, have changed their shapes into IV-VI types and then VI-X types however, the type X was not restored to the type I. In guinea pigs, more grape type was detected then X type in number, and in process of time, the shape was changed from round to elliptic, and the pointed end of the organism appeared in flesh color. 3. None of the organisms were found from the blood stream of inoculated animals excepts only a few piroplasma as were found in the experimental mice shortly after inoculation or i.v. route, No protozoa was also found in the organs of the animals autopsied. 4. The form change of protozoa was more clear in these animals than that in susceptible host. The most piroplasmas have changed their forms into VI-X types 30 hours after inoculation and were dispersed from R.B.C. Tracing of piroplasrna beyond this stage was not attempted. 5. The small type piroplasma comprises in I. X types and it is further believed that VII-X types which were freed from one cell proceeded to invade others. The from of development resembles to the small type of piroplasma which is prevailing in Japan.
한태우(Han, Taewoo) 한국일러스아트학회 2022 조형미디어학 Vol.25 No.4
최근 전공 킥보드와 같은 개인화된 이동 수단이 새롭게 등장함에 따라 모빌리티라는 용어를 쉽게 접할 수 있다. 모빌리티 산업은 국가에서 전략 산업으로 육성하고 있으며, 향후 많은 발전이 기대된다. 이러한 모빌리티 산업에서는 자율주행과 같은 인공지능이나 가상현실, 증강현실과 같은 휴먼 인터페이스를 포함한다. 본 연구에서는 모빌리티 산업에서 활용되고 있는 휴먼 인터페이스로서 확장현실의 활용 사례를 조사하여 향후 발전 가능성을 타진한다. 1990년대 들어 자율주행 자동차에 관한 연구가 본격적으로 시작되었으며, 운전자를 보조할 수 있는 시스템이 개발되고 있다. 이러한 인간과 기계의 인터페이스 중에 시각적인 인터페이스로서 확장현실 시스템의 연구 사례를 살펴본 후 확장현실 인터페이스의 발전 방향에 관해 연구한다. // 연구방법이나 결과 기술할 것 Recently, as personalized means of transportation such as a major kick-board have emerged, the term mobility can be easily encountered. The mobility industry is being nurtured as a strategic industry in the country, and many developments are expected in the future. These mobility industries include artificial intelligence such as autonomous driving and human interfaces such as virtual reality and augmented reality. In this study, the possibility of future development is investigated by examining the use cases of extended reality as a human interface used in the mobility industry. In the 1,990s, research on autonomous vehicles began in earnest, and systems that can assist drivers are being developed. Among these human-machine interfaces, the research case of the extended reality system as a visual interface will be examined, and then the development direction of the extended reality interface will be studied.