{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"近年来,随着矿产品价格的持续上涨和采选技术的不断进步,许多资源质量差、过去不作为矿产地的地方,如今却出现了不同程度的开采活动.这些地方国家一般未进行过或仅进行过公益性地质勘查工作,用常规的勘查成本效用法或地质要素评序法评估的价值结果为零.但其已经进行过的开采活动表明,该评估结果是不合理的.文中采用折现现金流风险系数调整法,对一个具有开采背景未曾勘查的某矿探矿权价值进行了评估.结果表明,由于采用收益途径估算探矿权的基础价值,然后通过矿产开发地质风险系数调整探矿权的基础价值来得出探矿权价值,因而其评估值与该探矿权招标出让的价格相差很小,值得推广.","authors":[{"authorName":"王文才","id":"6f25905b-5b38-4105-848d-98452cd1d676","originalAuthorName":"王文才"},{"authorName":"于玲","id":"d2e02c91-501c-4a80-be70-092d27aebef4","originalAuthorName":"于玲"},{"authorName":"","id":"eff5f03b-ae02-4e14-96c1-f1054e61d40c","originalAuthorName":"柳淑珍"},{"authorName":"杨敏","id":"1885006b-057c-4e94-800c-754b4ee0c5b8","originalAuthorName":"杨敏"}],"doi":"10.3969/j.issn.1001-1277.2007.01.007","fpage":"30","id":"4d42802e-c665-410c-8cd3-93217dd3eacd","issue":"1","journal":{"abbrevTitle":"HJ","coverImgSrc":"journal/img/cover/HJ.jpg","id":"44","issnPpub":"1001-1277","publisherId":"HJ","title":"黄金"},"keywords":[{"id":"644b1cbd-ce29-4bc7-87b4-c73645bd6082","keyword":"探矿权","originalKeyword":"探矿权"},{"id":"f42a8d9f-5212-4a7e-bcee-562921d85651","keyword":"价值","originalKeyword":"价值"},{"id":"044867e7-af23-4049-9ca7-55036e4a5dfe","keyword":"评估","originalKeyword":"评估"}],"language":"zh","publisherId":"huangj200701007","title":"具有开采背景未曾勘查探矿权价值评估","volume":"28","year":"2007"},{"abstractinfo":"钢高炉采用精料和小高压操作,同时加强了操作管理,使高炉利用系数在较短的时间里提高0.504t/(m3*d),焦比降低96kg/t.","authors":[{"authorName":"唐志宏","id":"394d5333-6448-4ff0-ae1d-9ae7603068b7","originalAuthorName":"唐志宏"},{"authorName":"张兴华","id":"9be2671d-2c3d-4092-bd38-4980de5ebb9e","originalAuthorName":"张兴华"}],"doi":"","fpage":"0","id":"cc23e7fc-e166-443e-a100-124a95a5be7c","issue":"8","journal":{"abbrevTitle":"GT","coverImgSrc":"journal/img/cover/GT.jpg","id":"27","issnPpub":"0449-749X","publisherId":"GT","title":"钢铁"},"keywords":[{"id":"74582ba1-9cba-4c97-9391-c1650b9e71df","keyword":"强化冶炼","originalKeyword":"强化冶炼"},{"id":"7554fe28-c2c8-4fe3-a292-dc3f773d9f29","keyword":"利用系数","originalKeyword":"利用系数"},{"id":"6284387f-0a1f-40e5-8f10-4909c363b78d","keyword":"焦比","originalKeyword":"焦比"}],"language":"zh","publisherId":"gt199808003","title":"钢高炉强化冶炼实践","volume":"33","year":"1998"},{"abstractinfo":"研究了氯硝胺衍生物的透皮吸收. 和氯硝胺原药相比,氯硝胺的酯型前体药物对透皮速率并无显著影响,但前体药物的熔点越低,透皮速率越大;氯硝胺的醚型前体药物和复盐型药物增大了药物的水溶性,更有效地促进了药物的透皮吸收. 具有适宜正辛醇/水分配系数的药物有大的透皮速率. 氯硝胺乙醇胺盐的透皮控释贴剂比氯硝胺的透皮控释贴剂有更显著的杀虫效果和更好的应用前景. 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