矿产品价格

  • 网络Mineral product prices;price of mineral products
矿产品价格矿产品价格
  1. 因单一预测模型本身具有局限性,然后引入最小误差平方和组合预测模型、最小绝对误差和组合预测模型及BP神经网络组合预测模型这三个组合预测模型进一步进行矿产品价格分析预测。

    Due to the limitation of Single forecasting model , the minimum sum of squared errors combined forecasting model , the minimum absolute errors combined forecasting model and Back-Propagation neural network ensemble forecasting model were imported for further analysis and forecast of mineral prices .

  2. 根据矿业投资项目的投资特征,分析了矿产品价格和成本的随机特性,建立了矿业工程项目投资新的评价方法,弥补了传统NPV法的缺陷。

    According to characteristics of mining investments , this article discussed the stochastic characteristics of price and cost of mineral products , and modeled a new method for investment valuation of mining projects . The method remedies the defects of traditional NPV method .

  3. 基于时间序列模型的矿产品价格分析与预测

    Analysis and Forecast About Mineral Product Price Based on Time Series Model

  4. 矿产品价格对采矿权价值的影响分析

    Analysis on the influence of product price on the value of mining property

  5. 中国矿产品价格形成机制

    A Discussion on Price Formation Mechanism of Mineral Products

  6. 基于期权理论的矿产品价格行为研究

    Research of Mineral Price Behavior Based on Option Theory

  7. 冶金矿产品价格决策支持系统的建立

    Decision Support System for Product Price of Metal Mineral

  8. 矿产品价格行为模式及其波动率的估计

    Mineral Prices Stochastic Behavior and its Volatility Parameters Estimation

  9. 在矿业权估价中预测矿产品价格的变化是相当困难且非常重要。

    To Forecast mineral prices in mineral property valuation is difficult but also important .

  10. 这样在国际矿产品价格市场和资源外交中就能够处于主动地位,趋利避害。

    Only this could we get the initiative in the international minerals market and resources-oriented diplomacy .

  11. 论段落中心意义的形成中国矿产品价格形成机制

    ON THE FORMATION OF A PARAGRAPHIC CENTRAL MEANING A Discussion on Price Formation Mechanism of Mineral Products

  12. 矿业权评估结果的准确与否将直接影响矿业权市场的交易和国家的利益,矿业投资领域的矿产品价格波动大,不确定性高。

    The accuracy of appraisal of mineral properties affect directly bargains of mineral properties and benefits of the country because of the price of minerals is uncertainty .

  13. 矿业投资领域的矿产品价格波动大,投资不确定性高,从而直接影响矿业投资估价。

    In the fields of mineral investment , the prices of mineral are extremely volatile , uncertain and undesirable , which directly affect the investment assessment of mining industry .

  14. 通胀率降下来主要是由于农产品和矿产品价格下降以及经济活动的明显减少,主要是跟全球金融动荡的影响有关。

    The decline in inflation rates is due mainly to the fall in commodity prices and the significant slowdown in economic activity largely related to the global effects of the financial turmoil .

  15. 农矿产品价格上涨有很多原因:不同寻常的气候、新兴经济体快速增长的需求、过多流动资本进入商品市场,这些都会推高价格。

    For the phenomenon has many causes : unusual weather , rising demand from fast-growing emerging economies , and liquidity finding its way into commodity markets all conspire to drive prices up .

  16. 得出结论:矿产品价格低迷时期矿业有效税率明显高于非矿企业;价格高扬期则反之。

    The author comes to the conclusion that the effective tax rate of mineral enterprises was significantly higher than that of non-mineral enterprises when minerals prices were low , and vice verse .

  17. 接着应用精度指标对每个矿产品价格预测模型的预测拟合结果进行误差计算,判断模型的有效性,对每个预测模型进行分析评价。

    Then calculated the errors of each minerals price forecasting model , prediction fitting results with precise index and judged the validity of the model for each forecasting model analysis and evaluation .

  18. 该模型得出的结论为:竞争战略的典型模式有三种:低价格战略,即无差异/低成本/低价格;矿产品价格偏低;

    It can be concluded from the model that typical models of competition strategy are as follows : low - price strategy , that is " undifferentiated product - low cost - low price ";

  19. 通过采矿方法的技术经济比较认为,在矿产品价格上涨的经济形势下,机械化削壁充填法具有诸多优点,是该类矿体的首选方法。

    The paper draws a conclusion by the indexes comparison of economy and technology that mechanization blast surrounding rock and fill stopping method is the optimum method for the ore body in the case of good ore price .

  20. 由于中、长期矿产品价格预测的困难,使在确定地下选别式开采边界品位时所采取的全局优化的方法难以实用,特提出全局次优求解的方法。

    A global optimized method for determining the cutoff grade in mines with a selective mining method is hard to be put in practice since the difficulty of intermediate and long term ′ s forecast of the mineral market price .

  21. 在矿业权评估实践中,矿产品价格、成本等因素的变化对矿业权的评估值有很大的影响,有时甚至使评估值背离公允、客观。

    The change of price and cost of minerals will have a great effect on the appraisal value of mining right in practice of the mining right appraisal , and sometimes it makes the value unfair and unequitable , and unobjective .

  22. 本文对矿产品价格波动条件下采矿边际品位调整的基本理念和分析方法进行了阐述,并深入地分析了高价格高品位策略实施的制约因素和间接效果。

    The paper elucidates the basic concept and analyzing method of adjustment of cutoff grade under the fluctuation of mineral products and analyzes in depth the restricting factors and indirect effects of the implementation of high price , high grade strategy .

  23. 进入21世纪,随着中国、印度等发展中国家经济高速发展,资源需求旺盛,矿产品价格高企,利用全球资源的成本和难度加大。

    When coming into the 21st century , with the rapidly development of economy in China , India and other developing countries , the resource demand and commodity price are climbing , meanwhile , the utilization condition of global resources is much difficult .

  24. 综合地运用成本收益比较法、边际分析法、沉没成本分析法和机会成本法,结合矿产品价格和生产成本的长期平均趋势,建立了矿山低品位矿利用的临界品位的经济分析模型。

    Using methods of cost-benefit comparision , marginal analysis , sinking cost analysis and opportunity cost , and combining the long-term average trend of mineral product price and production cost , a cut-off grade economical analysis model for the mine low-grade ore utilization is established .

  25. 最后,任何给定农产品和矿产品的价格都应该回归到供给增加任何一单位生产的成本。

    In the long run , the price of any given commodity should revert to the cost of producing an incremental unit of supply .

  26. 因此,采矿权的估价不仅要反应矿产资源储藏量价值的变化规律,还要符合矿产品市场价格的变化动态。

    Therefore , mining rights evaluation shall not only reflect the changing law of the value of mineral reserves , but also conform to the trends of market price .

  27. 为了计算采矿权的价值,假定矿产品的价格服从几何布朗运动,在常数波动率的条件下,建立了基于复合期权的矿产资源采矿权定价模型。

    In order to calculate the value of right , build an pricing model based on compound option under the conditions of constant volatility and price followed geometric Brownian motion .

  28. 合理生产规模的确定要综合考虑技术可行、经济合理和可持续发展问题,其与供需关系、矿产品市场价格直接相关。

    The production scale should consider the technology and the sustainable development , and it is directly relevant to the relation of supply , demand and the mineral products market price .

  29. 本文通过对经济周期规律的分析,提出了对矿产品营销价格定位的策略,并对矿产品的推销提出了相应的对策。

    The paper gives the tactics for setting a price of the mineral product based on analysis to the law of economic cycle and also give some countermeasures for sale of the mineral product .

  30. 因此运用这种模型,根据矿产品的价格变化可简便、快速、直观地调整开采成本,确定盈亏品位界限、成本与价格比和储量可供情况。

    According to this model , it is easy to make adjusting the mining cost and determining the cutoff grade , ratio of the cost with price and as well as the situation of minable reserve based on the price variation of mineral products .