| CrWMn热处理工艺及其组织与性能 |
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| 引用本文： | 方雷.CrWMn热处理工艺及其组织与性能[J].企业技术开发,2009,28(6):67-68. |
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| 作者姓名： | 方雷 |
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| 作者单位： | 武汉理工大学,湖北武汉430070 |
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| 摘 要： | 文章通过制定CrWMn铜的热处理工艺，测定在各种热处理情况下试样的硬度和耐磨性，并进行金相组织分析，得出了淬火加低温回火可以提高CrWMn的硬度和耐磨性。
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| 关 键 词： | CrWMn 热处理 硬度 耐磨性 |
The thinking of the strategy for state-owned oil enterprises "going out" |
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| FANG Lei.The thinking of the strategy for state-owned oil enterprises "going out"[J].Technological Development of Enterprise,2009,28(6):67-68. |
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| Authors: | FANG Lei |
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| Institution: | Shengli Petroleum Administration Office of Party Committee;Dongying;Shandong 257002;China |
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| Abstract: | The strategy for Chinese oil enterprises going out" has great significance. As a strategic industry of the national economy in the country a major economic security issue, the Chinese oil group must be based on three major national interests.It is necessary to get overseas oil resources as much as possible, share the international oil and gas resources. To go abroad, as a strategic industry of oil and the main force. |
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| Keywords: | state-owned oil company going out strategy |
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