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BBISS(Broad Band Internet Service via Satellite)Ka-band Broadband Satellite Plan
Tatsukawa, Kenichi,Akinaga, Wakoto,Yamada, Kenichi,Hashimoto, Katsumasa,Okui, Tamio,Koishi, Yoichi,Horiuch, Yasuo 통신위성우주산업연구회 2004 Joint Conference on Satellite Communications Vol.2004 No.-
Broadband internet, by ADSL, fiber optic, and CATV circuit has become very popular. However this service can not be shared in the depopulated area, where Broadband service business is difficult to materialize. BBISS satellite has been planned to provide the Broadband service to these un-equipped areas. In order to do so, a wide Ka frequency band is utilized and moreover, multi-beam antenna is adopted to realize the improvement of the efficient frequency reuse and to succeed in earth station antenna miniaturization. As for the problematic matter in use of the Ka-band due to great rainfall attenuation will be solved by use of adaptive code modulation method and realize high availability, and high=speed information speed will be provided in case of fine weather by maintaining the necessary minimum margin. This paper introduces best effort service by BBISS with such features.
Regional Strategy and Structure of Japanese Multinational Enterprises
Kenichi Yasumuro 慶北大學校 經濟經營硏究所 1993 經商論集 Vol.21 No.2
The strategic responses of Japanese multinational corporations(MNCs) in 1990s can be characterized as regionlization(Ohmae 1986, Nomura Research 1990, Fujii 1991) and symbolized by the establishment of regional headquarters(Hanada 1991A,B, Takahashi 1990, Yasumuro 1992). In this article author analyses the nature of regional strategy of Japanese MNCs and describe logical consequence of regional re-organization process. In part II, forces which stimulate regionalism are examined. In part III, a functional model of regional structure is developed through analyses of interview research. In part IV, as a case study, Matsushita Electric Industries'(Panasonic) regional structure is investigated. In part V, governance cost issues and the attitude of RHQ management is examined. In conclusion, heterarchy as a new concept of organization is presented in connection with Japanese management.
Drop Metastasis of Adrenocorticotropic Hormone-Producing Pituitary Carcinoma to the Cauda Equina
Kenichi Takeuchi,Yoko Hagiwara,Koichi Kanaya,Keiji Wada,Masahiro Shiba,Yoshiharu Kato 대한척추외과학회 2014 Asian Spine Journal Vol.8 No.5
The diagnosis of pituitary carcinoma cannot be made easily histologically, and most cases of pituitary carcinoma are diagnosed only after the clinical detection of metastasis. Distant metastasis of pituitary tumor occurs in 0.1% to 0.2% of cases and has been reported in the liver, bone and central nervous system, with only one case of metastasis to the cauda equine reported. This study describes a rare case of the drop metastasis of adrenocorticotropic hormone-producing pituitary adenocarcinoma to the cauda equina, causing cauda equina syndrome.
Kenichi SATO 이화여자대학교 이화인문과학원 2016 탈경계인문학 Vol.9 No.1
This essay is an attempt to uncover the nature of the interface between the literary and the scientific in a fictional discourse. In so doing, it focuses on an anecdote in Charles Brockden Brown’s second novel Ormon; or, The Secret Witness (1799), in which the father of the novel’s heroine Constantia, Stephen Dudley, loses his sight but recovers it soon. The paper points out that this most curious, though unexplored, event is interlinked with various discourses that were bred in the Enlightenment period. Almost all of the critics have long ignored the fact that Dudley’s blindness has a distinct cause: a cataract. First, the paper tries to show, based on pathology, that the opening events in the novel and the progress of a cataract in Dudley’s eyes are paralleled. Second, it discusses the peculiar feature of the anecdote: the operation on the cataract. According to contemporary sources, there were two methods of cataract operation — depression and extraction — available in the Early Republic. Examination of these sources and Brown’s description proves that the method described in the novel is extraction, the advanced medical technology of the age, which can radically cure the blindness caused by cataracts. This is notable because Ormond, who helps remove Dudley’s cataract by calling a doctor, could be the object of removal in view of the US political situation. Ormond, who is a member of Illuminati, a secret society bred in the Enlightenment, has enough reason to be the “evil” that should be expelled immediately from the United States due to the enforcement of Alien Laws in 1799. Therefore, the fact that the person who should be removed helps remove a cataract critiques the Federalist policy. Thus, the two frameworks of reference — medical treatment and political thought — encounter at an anecdote in Ormond, which successfully contrives the interface between the literary and the scientific with a political resonance.