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Fluid Inclusions of Auriferous Quartz Veins from Harrigan Cove, Nova ScotiaMijatovic, Andelko 04 1900 (has links)
<p> The Meguma Group is situated in the southeastern and southwestern regions of Nova Scotia. The Meguma Group is divided into two formations: the Goldenville and the Halifax.
Both formations are comprised of A and E divisions of the Bouma sequence. Thus, the Meguma Group is a turbidite deposit. Auriferous quartz veins strike parallel to bedding and
occur between the lower Bouma cycle's E division and the overlying Bouma cycle's A division. The development of bedding-parallel veins was due to hydraulic fracturing of the Bouma units.</p> <p> The bedding-parallel quartz veins were emplaced at low temperatures, from 260°C to 300°C. The fluid which precipitated the gold-arsenopyrite-quartz veins consisted of a divalent cation salt species (MgCl2) and hydrosulphide ligands which were the main complexing agent of gold.</p> <p> Gold was precipitated due to the reduction of sulphide
ligands as they came into contact with the organic-rich slates of the E division of the Bouma sequence. Sulphide reduction was not complete, thus a large concentration of gold remained
in solution later to be precipitated with arsenic in arsenopyrite.</p> / Thesis / Bachelor of Science (BSc)
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產業特質與企業垂直整合策略關係之研究史上雄, Shi, Shang-Xiong Unknown Date (has links)
壹、研究目的:本研究旨在探求在不同的產業之間,依據各該產業的特質,其在垂直整合策略之作法上,有何重要之差異。本研究以汽車業、石化業、和軟體業三者為研究對象,在產業特質之諸多構面中,本研究以「交易成本」之探討為產業特質之分析基礎,對上述三個產業進行比較,進而獲得它們在垂直整合策略之選擇有何異同。
貳、文獻:依據Macnail 之契約理論,引申出買賣雙方協議與垂直整合關係之假設。依據Williamson之機構經濟學,引申出產品專屬性程度與垂直整合關係之假設。依據Harrigan之策略彈性,引申出產業演進階段、規模經濟、和產能與垂直整合關係之假設。再由Chandler之看得見的手,引申出組織內部協調是若干產業成功的原因,但卻不適用所有之產業。
參、研究方法:以個案研究法進行研究,上述三個產業各選取一家公司就重直整合作法上深入訪問。雖業界內大小規模公司極多,但所選定接受研究、訪問的公司頗具代表性,均能突顯出研究主題內相關的產業特質及其相關的垂直整合作法。
肆、研究內容:根據研究目的,就三家個案公司與其上游、下游之關係上,是以何種方式來維繫,此種類型之維繫方式是否能顯著的降低公司與上游、下游之間的「交易成本」。其交易成本表現的方式可能是在量化的資料上,但也可能表現在非量化的事實上,由於本研究採個案研究法,為顧及個案公司之接受研究之意願,故在研究內容上限於定性描述等資料之蒐集,藉以求證研究假設之真確。
伍、研究結果:由汽車業之研究中,其典型之中心衛星體系係以契約關係作為與其供應商建立關係之基礎,供應商等級制度之建立確保其供應之品質,並以此法減低公司的交易成本;石化業則因其一貫化連續生產流程,乃有多階段整合之作業,相對於所研究之另二項產業而言,其內部整合程度最高。軟體業則為腦力密集之產業,多為上游資訊硬體業所整合,或為下游大型客戶所整合,在垂直整合作為上,無適用之情形。
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Theatrical transvestism in the United States and the performance of American identities, 1870-1935Pasternack, Leslie Joyce, Wolf, Stacy Ellen, January 2004 (has links) (PDF)
Thesis (Ph. D.)--University of Texas at Austin, 2004. / Supervisor: Stacy Wolf. Vita. Includes bibliographical references.
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Theatrical transvestism in the United States and the performance of American identities, 1870-1935Pasternack, Leslie Joyce 28 August 2008 (has links)
Not available / text
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