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进口铁矿石简易自动取样设施的研究应用 被引量:4
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作者 林伟 黄见超 +2 位作者 陈启昕 陈翔宇 陈宁 《机电技术》 2013年第2期138-143,共6页
到货口岸检验鉴定部门出具的品质检验结果是进口铁矿石贸易结算的依据,因此取得代表性的样品,具有重要意义。本课题因地制宜,设计、改造、安装并运行了简易自动化机械取样设施,经过性能试验和整体验收,符合相关标准,实现了以较少的建设... 到货口岸检验鉴定部门出具的品质检验结果是进口铁矿石贸易结算的依据,因此取得代表性的样品,具有重要意义。本课题因地制宜,设计、改造、安装并运行了简易自动化机械取样设施,经过性能试验和整体验收,符合相关标准,实现了以较少的建设费用,且达到降低劳动强度,提高取样工作的科学、公正、准确的目的。 展开更多
关键词 简易 自动 取样设施 铁矿石
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Interest Rate Statistics in Nigeria: Its Sampling Techniques and Computational Procedures
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作者 Abiola O. Adeleke 《Journal of Mathematics and System Science》 2013年第12期625-630,共6页
Developing nations, like Nigeria, whose financial systems and infrastructural base are not yet fully developed face data rendition challenges which may hamper the representativeness of their interest rate statistics.A... Developing nations, like Nigeria, whose financial systems and infrastructural base are not yet fully developed face data rendition challenges which may hamper the representativeness of their interest rate statistics.A critical component of any credible interest rate data compilation framework relates to the sampling procedure.In Nigeria, no work has been done with regards to employing alternatives sampling techniques in the computation of interest rate statistics largely because of the small number of deposit money banks in the country. Leveraging on existing literature and established statistical methods, the study examines two sampling techniques for generating credible and reliable interest rates in Nigeria. The current interest rate compilation framework in the country is presented and alternative sampling procedures were explored with a view to investigating their appropriateness for Nigeria's interest rate computation. The interest rates generated based on the current population-based compilation method is compared with those of the alternative approaches. This paper recommends the use of purposive sampling method that covers Deposit Money Banks (DMBs) which account for about 70.0 per cent of the banking sector total assets as an appropriatealternative. 展开更多
关键词 Banking sector deposit money bank electronic data submission
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