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Researching on the Digital Information Systems of Mine and Its Application

Qin Dexian,Chen Aibing,Yan Yongfeng,Gao Zhiwu,Yang Jianyu

Strategic Study of CAE 2005, Volume 7, Issue 4,   Pages 47-53

Abstract:

The article introduces several digital information systems of mine which established on PC platformmodal of deposit, GIS software, and furthermore putting them into solving the dynamic management of mineproduce scheme and decision optimization of systems, rational utilization of the resource, searching ore

Keywords： mine digital information systems     dynamic management     rational utilization of resources     ore-forming predictionof mine    

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Digital Mine Research and Practice Based on Mining and Metallurgy System Engineering

An-lin Shao

Frontiers of Engineering Management 2016, Volume 3, Issue 1,   Pages 67-73 doi: 10.15302/J-FEM-2016006

Abstract: Iron ore is necessarily basic raw material for industrialization and urbanization and related to theThe lean iron ore resource in our country is high-cost and low-efficiency, which cannot meet the demandmining and metallurgy system engineering and realized scale and efficient development of lean iron ore

Keywords： exploration of lean iron ore     mining and metallurgy system engineering     digital mine     wisdom mine    

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The theory on small intrusions forming large deposits and its exploration significance—Taking for magmatic

Li Wenyuan,Zhang Zhaowei and Chen Bo

Strategic Study of CAE 2015, Volume 17, Issue 2,   Pages 29-34

Abstract:

The theory on small intrusions forming large deposits put forward by academician Zhongli Tang waspractices have effectively illustrated that the hypabyssal and small intrusion could always form the larger oreIn this paper，we have discussed the theory of small intrusions forming large deposits，considering thatconduit systems，may cause the local enrichment of mineral，and like that theory of small intrusions formingin the northwestern of China，we expand the scientific connotation of the theory on small intrusions forming

Keywords： mafic-ultramafic intrusions； magmatic Ni-Cu sulfide deposits； small intrusions forming large deposits； ore genesis； prospecting potential    

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Finite element simulations of sheet metal forming under complex strain paths

CHEN Wei, YANG Jichang, WU Xiaofeng, LU Dun, GUO Weigang

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 4,   Pages 399-403 doi: 10.1007/s11465-007-0069-8

Abstract: Fracture is a common defect in sheet metal forming and it is essentially caused by tensile instabilityThis paper analyzes some experiments and theories for building forming limit diagrams of sheet metalthis, a method that integrates the finite element simulation and experiment was used to research the formingFinally, the forming method of the rear hanger is confirmed.complex strain paths and different strain paths will have great impacts on the result of the sheet metal forming

Keywords： dangerous     forming method     different     hanger     forming    

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Reliability Analysis and Design of Non-pillar Continuous Mining in Underground Metal Mines

Gu Desheng,Deng Jian,Li Xibing

Strategic Study of CAE 2001, Volume 3, Issue 1,   Pages 51-57

Abstract: method, Non-pillar continuous mining (NPCM), was originally put forward and carried out in a copper mineReliability theory was employed to analyze the stability of the critical structures, including temporary oreAnti-overturning and strength limit state equations for temporary ore wall in NPCM were derived, andThe relationship between the reliability index and width of the temporary ore wall were shown.

Keywords： underground metal mine     non-pillar continuous mining (NPCM)     reliability     backfilling     temporary ore wall    

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Study on Blasting Fragmentation Control for Moderate Deep Hole in Underground Mine

Zhao Yanwei,He Dongmei,Li Xianglong,Liu Junxuan

Strategic Study of CAE 2014, Volume 16, Issue 11,   Pages 48-52

Abstract: ="text-align: justify;">The scallop moderate longhole blasting mining method in Da Hong-shan copper minefor more than 61% of the total amount of mining, but the large output rate restricts the mines for orestrength, The average lump ore as high as 22.7%.In order to realize the mine production efficient development, the circular moderate longhole blastingThe panel on duty for the day ore quantity increase 152.31t, increase rate is 51.1%.

Keywords： The scallop moderate longhole blasting     the circular moderate longhole blasting     lump ore     blasting effect    

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Mine Disaster Science——The Systematic Science for Disasters Reduction and Mine Safety

Zhou Lihua

Strategic Study of CAE 2003, Volume 5, Issue 7,   Pages 90-94

Abstract:

Mine disaster science is a systematic science for mine safety and disaster reduction.It is,compared with the previous unitary prevention and treatment of mine disaster, characterized bythe comprehensiveness, prediction and economic nature.While exploring the preventing and treatment technology and method for the individual case of mine disaster

Keywords： mine disaster     mine safety     mine disaster science    

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Chromium steel from chromite ore processing residue----A valuable construction material from a waste

Jay N. MEEGODA, Wiwat KAMOLPORNWIJIT

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 2,   Pages 159-166 doi: 10.1007/s11783-011-0325-3

Abstract: this study is to demonstrate an efficient and optimum way to recover chromium and iron from chromite ore

Keywords： chromite ore processing residue     chromium steel     reduction     thermal treatment     beneficial use    

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Digital high-efficiency print forming method and device for multi-material casting molds

Zhongde SHAN, Zhi GUO, Dong DU, Feng LIU, Wenjiang LI

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 2,   Pages 328-337 doi: 10.1007/s11465-019-0574-6

Abstract: This study proposes a novel high-efficiency print forming method and device for multi-material castingThe proposed method is specifically related to the integrated forming of two-way coating and printingThese processes can realize the high-efficiency print forming of high-performance sand molds.The integrated forming method for layered heating and roller compaction presented in this study effectively

Keywords： multi-material casting mold     3D printing     efficient print forming method    

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Formation mechanism and modeling of surface waviness in incremental sheet forming

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 2, doi: 10.1007/s11465-022-0679-1

Abstract: Improving and controlling surface quality has always been a challenge for incremental sheet forming (In this paper, the formation mechanism and the prediction of waviness are both investigated through experiments

Keywords： surface waviness     incremental sheet forming     numerical simulation     formation mechanism     deformation history    

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FEM-based strain analysis study for multilayer sheet forming process

Rongjing ZHANG,Lihui LANG,Rizwan ZAFAR

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 4,   Pages 373-379 doi: 10.1007/s11465-015-0371-9

Abstract: Different forming modes such as wrinkling and fracture are discussed by using experimental and numericalHydroforming is used for multilayer forming.

Keywords： finite element method (FEM)     strain analysis     multilayer sheet forming    

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Hybrid forming mechanism of patternless casting and laser cladding

Zhongde SHAN, Fuzhen SUN, Yang LIU

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 4,   Pages 393-401 doi: 10.1007/s11465-019-0550-1

Abstract: In accordance with the requirement of manufacturing dies quickly and economically, a hybrid forming methodAn experimental study is conducted on the hybrid forming process and its trial production and application

Keywords： patternless casting     laser cladding     hybrid forming     rapid tooling    

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Highlight yield forming and innovative technologies in tropical crops

Wenquan WANG

Frontiers of Agricultural Science and Engineering 2016, Volume 3, Issue 4,   Pages 283-284 doi: 10.15302/J-FASE-2016128

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Properties and effect of forming sewage sludge into lightweight ceramics

Min YUE, Qinyan YUE, Yuanfeng QI, Baoyu GAO, Hui YU

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 1,   Pages 117-124 doi: 10.1007/s11783-010-0220-3

Abstract: In this work we investigated the chemical, thermal and toxic properties of dried sewage sludge (DSS), the preparation and properties of lightweight sludge ceramic (LSC) and the mechanisms of action of the organic and inorganic foaming agents (OFAs and IFAs). The chemical components and thermal properties of the raw materials were studied by Energy Dispersive X-ray Detection (EDX) and Thermogravimetric Analysis and Differential Scanning Calorimetry (DSC/TGA). The mineral phases of the raw materials and the formed ceramics were determined by X-ray Diffraction (XRD). The leaching characteristics of heavy metals were investigated with Inductively Coupled Plasma Atomic Emission Spectrometry (ICP-AES). Different ratios of DSS and clay were mixed and pressed into raw pellets. After drying and preheating treatment, the raw pellets were sintered at 1150°C for 10 min. The physical properties of LSC (50 wt% DSS added) were tested. The results showed that when the addition of DSS was above 50 wt%, LSC began to shrink, and a maximum density occurred. The environmental safety of LSC was satisfactory. XRD showed that some new mineral phases formed in the LSC. Observation of the microstructure by Scanning Electron Microscope (SEM) indicated that the body of LSC was porous.

Keywords： sludge     foaming agents     ceramics     preheating process    

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Transient performance comparison of grid-forming converters with different FRT control strategies

Frontiers in Energy 2023, Volume 17, Issue 2,   Pages 239-250 doi: 10.1007/s11708-022-0856-2

Abstract: Grid-forming converters (GFMs) are faced with the threat of transient inrush current and synchronization

Keywords： grid-forming converters (GFMs)     fault ride through (FRT)     transient stability     transient inrush current    

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Title Author Date Type Operation

Researching on the Digital Information Systems of Mine and Its Application

Qin Dexian,Chen Aibing,Yan Yongfeng,Gao Zhiwu,Yang Jianyu

Journal Article

Digital Mine Research and Practice Based on Mining and Metallurgy System Engineering

An-lin Shao

Journal Article

The theory on small intrusions forming large deposits and its exploration significance—Taking for magmatic

Li Wenyuan,Zhang Zhaowei and Chen Bo

Journal Article

Finite element simulations of sheet metal forming under complex strain paths

CHEN Wei, YANG Jichang, WU Xiaofeng, LU Dun, GUO Weigang

Journal Article

Reliability Analysis and Design of Non-pillar Continuous Mining in Underground Metal Mines

Gu Desheng,Deng Jian,Li Xibing

Journal Article

Study on Blasting Fragmentation Control for Moderate Deep Hole in Underground Mine

Zhao Yanwei,He Dongmei,Li Xianglong,Liu Junxuan

Journal Article

Mine Disaster Science——The Systematic Science for Disasters Reduction and Mine Safety

Zhou Lihua

Journal Article

Chromium steel from chromite ore processing residue----A valuable construction material from a waste

Jay N. MEEGODA, Wiwat KAMOLPORNWIJIT

Journal Article

Digital high-efficiency print forming method and device for multi-material casting molds

Zhongde SHAN, Zhi GUO, Dong DU, Feng LIU, Wenjiang LI

Journal Article

Formation mechanism and modeling of surface waviness in incremental sheet forming

Journal Article

FEM-based strain analysis study for multilayer sheet forming process

Rongjing ZHANG,Lihui LANG,Rizwan ZAFAR

Journal Article

Hybrid forming mechanism of patternless casting and laser cladding

Zhongde SHAN, Fuzhen SUN, Yang LIU

Journal Article

Highlight yield forming and innovative technologies in tropical crops

Wenquan WANG

Journal Article

Properties and effect of forming sewage sludge into lightweight ceramics

Min YUE, Qinyan YUE, Yuanfeng QI, Baoyu GAO, Hui YU

Journal Article

Transient performance comparison of grid-forming converters with different FRT control strategies

Journal Article