矿业

According to the above analyses,some suggestions are put forward for reform of mining tax ,such as combining Resources tax and Mineral resources compensation fees,adjusting tax ation,constituting Guarantee deposits system and Depletion allowance.

针对以上问题，本文通过国外矿业税费制度与我国矿业税费制度的对比分析，对我国矿业税费制度的改革提出合并资源税和矿产资源补偿费、调整征计税额、建立保证金制度和耗竭补贴制度等几点建议。

According to the above analyses,some suggestions are put forward for reform of mining tax,such as combining Resources tax and Mineral resources compensation fees ,adjusting taxation,constituting Guarantee deposits system and Depletion allowance.

针对以上问题，本文通过国外矿业税费制度与我国矿业税费制度的对比分析，对我国矿业税费制度的改革提出合并资源税和矿产资源补偿费、调整征计税额、建立保证金制度和耗竭补贴制度等几点建议。

It realizes dynamic store and management of mining data and finishes inputting of mining data,3D visualization of mining area,establishing model of terrain surface,inquiring and analyzing spatial data,collection of DEM vector and image and so on.More convenience will be bring to mining manager.

系统实现了对矿业数据动态存储和管理，可完成矿业数据输入、矿区三维可视化、地形表面建模、矿区空间查询分析、DEM矢量影像数据集成等功能，必将给矿业管理工作者带来很大方便。

Papers analyzed the management flexibility and value of mining engineering, and set up the model of value of a developed mine,value of an undeveloped mine and value of an exploration project under the conditions of uncertainty with the theory of real option,and worked out the solution of model above-mentioned through three numerical methods,i.e.the Fig Tree,finite difference approximation and Monte Carlo simulation.

论文最后研究了矿业工程中的管理灵活性及其价值，运用实物期权方法分别建立了不确定条件下矿业生产阶段、开发阶段和详查、普查、预查阶段的矿业投资评价模型，并运用二叉树图、有限差分逼近和Monte Carlo模拟三种数值方法对所建模型进行了求解，同时通过实例对论文的研究结果进行了佐证。

At the same time, because the historical inherited problem of Chinese capital market, the equity structure of domestic mining listed companies is still not perfect whose percent of stated-owned share and corporate share that are not floating stock is too large, which result in the power of stockholder renting, the efficiency of corporate governance structure no high.

近十几年来，以国有矿业企业股份制改造为主的中国矿业上市公司迅速成长，它们不仅成为行业内企业改革和建立现代企业制度的排头兵，而且对矿业的持续稳定增长和国民经济的稳健运行发挥着重要的作用。

The study on the meaning, the importance, the realization way, as well as the practice of the mining circular economy in China has been carried out in this part. The new "3R" principle is put forward by analyzing the quiddity of "reduce" of mining circular economy.

对矿业循环经济的内涵，矿业领域发展循环经济的重要性，矿业循环经济的实现方式和我国矿业循环经济的实践进行了研究评述。

Firstly, by defining the basic content of economy sustainable development of mineral resource cities, it pointed out that economy sustainable development of mineral resource cities is the sustainable and tuneful evolution of inside economy system and outside resource, environment and society of mineral resource cities.

在此体系指导下重点对下述三个问题进行了深入研究：首先，从基础理论研究的角度对矿业资源城市经济可持续发展的内涵和基本内容进行界定，指出矿业资源城市经济可持续发展是矿业资源城市内部经济系统与外部的资源、环境、社会的持续和谐进化。

BHP Billiton, an Anglo-Australian company that is the world's largest mining firm, is trying to do the biggest deal yet.

目前，世界第一大矿业公司－－英澳合资的必和必拓正力图完成有史以来规模最大的矿业合并。2月5日，必和必拓赶在英国监管机构规定的最后期限之前，提高了对全球第三大矿业公司力拓的收购报价。

By analyzing the importance of finance management in gold mining enterprises,the relevant policy selection is discussed.

通过对黄金矿业企业财务管理重要性的分析，论述了现代黄金矿业企业财务管理的策略选择，为现代黄金矿业企业的改革提供了借鉴。

By using entropy method, the author evaluates the sustainable development level of Xuzhou city in the period of 1995-2003 and rechecks it by using the primary component analysis and validates the feasibility and objectivity of the entropy method.

第七章，从矿业城市经济发展成本入手，分析了矿业城市经济发展成本的成因，研究了矿业城市经济发展成本的构成和低成本经济发展模型，给出了矿业城市可持续发展的新的定义。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。