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Физико-технические проблемы разработки полезных ископаемых最新文献

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Active Prefracture Methods Top Coal Caving Technologies for Thick Gently Dipping Seams 厚缓倾斜煤层放顶煤技术
Физико-технические проблемы разработки полезных ископаемых Pub Date : 2020-01-01 DOI: 10.15372/ftprpi20200308
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引用次数: 0
Influence of Particle Size Distribution of Coal on Methane Release in High-Output Longwalls 煤粒度分布对高产长壁瓦斯释放的影响
Физико-технические проблемы разработки полезных ископаемых Pub Date : 2020-01-01 DOI: 10.15372/ftprpi20200516
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引用次数: 0
Selective Attachment of Luminophore-Bearing Emulsion to Diamonds-Mechanism Analysis and Mode Selection 含光团乳剂对金刚石的选择性附着——机理分析及模式选择
Физико-технические проблемы разработки полезных ископаемых Pub Date : 2020-01-01 DOI: 10.15372/ftprpi20200111
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引用次数: 0
Modeling Software for Hydraulic Fracturing in Solid Mineral Mining 固体矿物开采中水力压裂建模软件
Физико-технические проблемы разработки полезных ископаемых Pub Date : 2020-01-01 DOI: 10.15372/ftprpi20200523
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引用次数: 0
Probabilistic Assessment of Slope Stability in Rocky Ground Using the Generalized Hoek-Brown Failure Criterion 基于广义Hoek-Brown破坏准则的岩质地基边坡稳定性概率评价
Физико-технические проблемы разработки полезных ископаемых Pub Date : 2020-01-01 DOI: 10.15372/ftprpi20200508
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引用次数: 0
Influence of Coal Microstructure on Gas Saturation in Face Area 煤微观结构对工作面含气饱和度的影响
Физико-технические проблемы разработки полезных ископаемых Pub Date : 2020-01-01 DOI: 10.15372/ftprpi20200303
{"title":"Influence of Coal Microstructure on Gas Saturation in Face Area","authors":"","doi":"10.15372/ftprpi20200303","DOIUrl":"https://doi.org/10.15372/ftprpi20200303","url":null,"abstract":"","PeriodicalId":24070,"journal":{"name":"Физико-технические проблемы разработки полезных ископаемых","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81361958","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Zirconium and Rare Earths Recovery from Eudialyte Concentrate Leaching Solution 从透析液精矿浸出液中回收锆和稀土
Физико-технические проблемы разработки полезных ископаемых Pub Date : 2020-01-01 DOI: 10.15372/ftprpi20200413
V. Chanturia, V. Minenko, A. Samusev, E. Koporulina, M. Ryazantseva
{"title":"Zirconium and Rare Earths Recovery from Eudialyte Concentrate Leaching Solution","authors":"V. Chanturia, V. Minenko, A. Samusev, E. Koporulina, M. Ryazantseva","doi":"10.15372/ftprpi20200413","DOIUrl":"https://doi.org/10.15372/ftprpi20200413","url":null,"abstract":"—The values of pH, temperature and initial concentrations of valuable components have influence on recovery efficiency of zirconium and rare earth elements (REE) from pregnant solutions of nitric-acid leaching of eudialyte concentrate by the chemical deposition method. Zirconium and rare earths exhibit selective recoverability of 99.95% and 87.50%, respectively. The loss of REE is 8.0% with zirconium product and 4.5% with pregnant solution. Micromorphology, structural chemistry and chemical composition of products are analyzed using the scanning electron microscopy, IR spectroscopy and X-ray fluorescence analysis.","PeriodicalId":24070,"journal":{"name":"Физико-технические проблемы разработки полезных ископаемых","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83446845","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Performance Analysis of a Digitally Retrofitted Ward-Leonard Control Dragline-A Case Study in Coal Mine 数字化改造沃德-伦纳德控制曳绳的性能分析——以煤矿为例
Физико-технические проблемы разработки полезных ископаемых Pub Date : 2020-01-01 DOI: 10.15372/ftprpi20200107
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引用次数: 0
Generation of Particle Size Distribution in Fragmentation of Broken Rocks in Bench Blasting 台阶爆破破碎岩石破碎中粒度分布的产生
Физико-технические проблемы разработки полезных ископаемых Pub Date : 2020-01-01 DOI: 10.15372/ftprpi20200105
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引用次数: 0
Dynamics of Roof Rock Displacement in a Stope in the Course of Mining 采场开采过程中顶板位移动力学研究
Физико-технические проблемы разработки полезных ископаемых Pub Date : 2020-01-01 DOI: 10.15372/ftprpi20200101
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引用次数: 0
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