نتایج جستجو برای: mineral base stock refining
تعداد نتایج: 420958 فیلتر نتایج به سال:
Differences in rooting ability of birch (Betula pubescens J.F. Ehrh.) cuttings were observed as a result of differences in genotype and physiology of the stock plants. The uniformity in response among cuttings from micropropagated plants compared with cuttings from seed plants confirmed the advantage of using micropropagated plants to study environmental effects. Shoot morphology of the seed st...
This study investigates the lead-lag relationship between the option and stock markets for 17 trading-days prior to substantial earnings surprises, using the Berkeley options data base, changes in put-call parity, and a control option methodology. Before the passage of the Insider Trading Sanctions Act (ITSA) in 1984, the options market leads the stock market prior to negative surprises but tha...
In this study, we establish a network structure of the Korean stock market, one of the emerging markets, with its minimum spanning tree through the correlation matrix. Base on this analysis, it is found that the Korean stock market doesn’t form the clusters of the business sectors or of the industry categories. When the MSCI (Morgan Stanley Capital International Inc.) index is exploited, we fou...
Communication and transparent procedures must translate into robust processes to ensure on-time delivery of components, lower inventories, and a faster response to changing customer demands. This thesis is based on research done at the equipment manufacturing division (HPISM) of Eastrnan Kodak Company. The focus is on the development of a JIT replenishment process and inventory management pract...
Probabilistic rules in a classification expert system can result in a sociopathic knowledge base, as a consequence of the assumption of conditional independence between observations and rule modularity. A sociopathic knowledge base has the property that all the rules are individually judged to be correct rules, yet a subset of the knowledge base gives better classification accuracy than the ori...
This study explores the impact of knowledge stock and knowledge centrality, which are the two main characteristics of innovative start-ups’ entry technologies in the local knowledge base, on firms’ technological innovation and diversification. It tests the hypotheses with patent and firmlevel data of innovative start-ups in Shanghai Information Communication Technology cluster from 1985 to 2009...
Abstract The development of the citronella oil agroindustry is facing challenges in terms quality and limited production capacity, especially innovation value-added sectors. This article aims to measure level application chain, starting from aspects cultivation, product handling, refining processes, marketing institutions, including their effect on value. study takes location settings five sub-...
Manmade mineral fibres (MMMFs) were examined for their ability to hydroxylate 2-deoxyguanosine (dG) to 8-hydroxydeoxyguanosine (8-OH-dG), a reaction that is mediated by hydroxyl radicals. It appeared that (1) catalase and the hydroxyl radical scavengers, dimethylsulphoxide and sodium benzoate, inhibited the hydroxylation, whereas Fe2+ and H2O2 potentiated it; (2) pretreatment of MMMFs with the ...
This paper describes RAPTURE a system for revising probabilistic knowledge bases that combines neural and symbolic learning methods. RAPTURE uses a modified version of backpropagation to refine the certainty factors of a MYCIN-style rule base and uses ID3's information gain heuristic to add new rules. Results on refining two actual expert knowledge bases demonstrate that this combined approach ...
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