稀有矿产资源开发利用的国家战略研究-畅读网

　　　　

稀有矿产资源开发利用的国家战略研究

作者：杨丹辉

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内容简介:

本书基于中国工业化中后期产业转型升级的视角，根据稀有矿产资源在新兴产业的最新应用，评估不同种类稀有矿产的供应风险及战略性，分析稀有矿产资源产业链构成，揭示出全球稀有矿产品供求关系变化的特点和规律，构建面向新一轮科技革命和产业变革下大国资源竞争的稀有矿产资源开发利用国家战略，为产业经济学和矿产资源领域的学者、行业主管部门以及普通读者更加客观、全面地了解稀有矿产资源的战略价值及其在现代产业体系中发挥的作用提供参考。

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SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 4 LIMIT 1 [ RunTime:0.001587s ]
SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 41 LIMIT 1 [ RunTime:0.001755s ]
SELECT `a`.*,`ap`.`width`,`ap`.`height` FROM `ls_ad` `a` INNER JOIN `ls_ad_position` `ap` ON `a`.`pid`=`ap`.`id` WHERE `pid` = 11 AND `ap`.`client` = '2' AND `a`.`status` = '1' AND `a`.`del` = '0' AND `ap`.`status` = '1' AND `ap`.`del` = '0' ORDER BY `sort` DESC,`id` DESC [ RunTime:0.004289s ]
SELECT `a`.*,`ap`.`width`,`ap`.`height` FROM `ls_ad` `a` INNER JOIN `ls_ad_position` `ap` ON `a`.`pid`=`ap`.`id` WHERE `pid` = 14 AND `ap`.`client` = '2' AND `a`.`status` = '1' AND `a`.`del` = '0' AND `ap`.`status` = '1' AND `ap`.`del` = '0' ORDER BY `sort` DESC,`id` DESC [ RunTime:0.002596s ]
SELECT * FROM `ls_goods` WHERE `del` = 0 AND `status` = 1 AND `create_time` <= 1771643958 ORDER BY `create_time` DESC LIMIT 5 [ RunTime:1.178889s ]

1.796666s

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