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Mechanical properties of rock materials with related to mineralogical characteristics and grain size

Wenjuan SUN, Linbing WANG, Yaqiong WANG

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 3,   Pages 322-328 doi: 10.1007/s11709-017-0387-9

Abstract: Mechanical properties of rock materials are related to textural characteristics.The relationships between mechanical properties and textural characteristics have been extensively investigatedTextural characteristics of rock materials are influenced by the following factors: mineral composition, size, shape, and spatial distribution of mineral grains, porosity, and inherent microcracks.This study focuses on the first two: mineral composition and grain size. ?

Keywords： Mechanical properties     rock material     texture     mineral characteristics    

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Crystallization and viscosity-temperature characteristics during co-gasification of industrial sludge

Linmin ZHANG, Bin LIU, Juntao WEI, Xudong SONG, Yonghui BAI, Jiaofei WANG, Ying ZHOU, Huijun YANG, Guangsuo YU

Frontiers in Energy 2022, Volume 16, Issue 6,   Pages 1037-1047 doi: 10.1007/s11708-022-0824-x

Abstract: Co-gasification of industrial sludge (IS) and coal was an effective approach to achieve harmless and sustainable utilization of IS. The long-term and stable operation of a co-gasification largely depends on fluidity of coal-ash slag. Herein, the effects of IS addition on the crystallization and viscosity of Shuangmazao (SMZ) coal were investigated by means of high temperature stage coupled with an optical microscope (HTSOM), a scanning electron microscopy coupled with an energy dispersive X-ray spectrometry (SEM-EDS), X-ray diffraction (XRD), a Fourier transform infrared spectrometer (FTIR), and FactSage software. The results showed that when the proportion of IS was less than 60%, with the addition of IS, the slag existed in an amorphous form. This was due to the high content of SiO2 and Al2O3 in SMZ ash and blended ash, which had a high glass-forming ability (GFA). The slag formed at a high temperature had a higher polymerization degree and viscosity, which led to a decrease in the migration ability between ions, and ultimately made the slag difficult to crystallize during the cooling. When the proportion of IS was higher than 60%, the addition of IS increased the CaO and FeO content in the system. As network modifiers, CaO and FeO could provide O2− at a high temperature, which reacted with silicate network structure and continuously destroyed the complexity of network structure, thus reducing the polymerization degree and viscosity of slag. At this time, the migration ability between ions was enhanced, and needle-shaped/rod-shaped crystals were precipitated during the cooling process. Finally, the viscosity calculated by simulation and Einstein-Roscoe empirical formula demonstrated that the addition of IS could significantly improve the fluidity of coal ash and meet the requirements of the liquid slag-tapping gasifier. The purpose of this work was to provide theoretical support for slag flow mechanisms during the gasifier slagging-tapping process and the resource treatment of industrial solid waste.

Keywords： co-gasification     industrial sludge     crystallization     viscosity     mineral matter evolution    

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Effects of exercise therapy on bone mineral density in early postmenopausal women: a controlled trial

Shilin DENG MD ,

Frontiers of Medicine 2009, Volume 3, Issue 3,   Pages 323-329 doi: 10.1007/s11684-009-0061-2

Abstract: the effect of a well-designed combined aerobic, resistance, and extension exercise program on bone mineral

Keywords： early postmenopausal women     bone mineral density     exercise     effects    

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Construction and Application of Mineral Flotation Adsorption Equilibrium Model: Accurately Analyze Ions/ Reagents Adsorption Behavior on Mineral Surface

Gao Ya, Fu Xinzhuang, Han Haisheng, Wang Li, Yue Tong, Sun Wei

Strategic Study of CAE 2023, Volume 25, Issue 6,   Pages 248-258 doi: 10.15302/J-SSCAE-2023.07.020

Abstract:

The mineral flotation adsorption equilibrium model is a mathematicalmodel to accurately describe ions/reagents adsorption equilibrium involved in mineral flotation.It is the first time to realize quantitative affinity analysis between mineral surface sites and Based on these constants, mineral surface electricity and ions/reagents adsorption behavior canIt is also of great significance in the study of mineral surface reagent adsorption mechanisms,

Keywords： mineral processing     flotation mechanism     mineral flotation adsorption equilibrium model     mineral floatabilityprediction     characteristic constant in mineral flotation    

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Relationship between the development of energy and mineral resources and ecological conservation redline

Dawei ZHANG

Frontiers of Engineering Management 2019, Volume 6, Issue 4,   Pages 557-563 doi: 10.1007/s42524-019-0077-5

Abstract: point of view, this study discusses the dialectical relationship between the development of energy and mineralWe propose that the ecological conservation redline and the development of energy and mineral resourcesshould be guided by ecological civilization construction, that is, the energy and mineral resourcesThis study analyzes the influence of the development of energy and mineral resources on the ecologicalconservation redline based on the law and the reduction of the influence of the development of energy mineral

Keywords： ecological conservation redline     development of energy and mineral resources     coordinated development    

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A state-of-the-art review on interfacial behavior between asphalt binder and mineral aggregate

Meng GUO, Yiqiu TAN, Linbing WANG, Yue HOU

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 2,   Pages 248-259 doi: 10.1007/s11709-017-0422-x

Abstract: The interface between asphalt binder and mineral aggregate directly affects the service life of pavementThe interaction between asphalt binder and mineral aggregate is the main cause of forming the interfaceconducted on this topic clearly indicated that the interfacial interaction between asphalt binder and mineral

Keywords： Asphalt binder     Mineral aggregate     Interfacial behavior     Multiscale    

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Atmospheric heterogeneous reaction of chlorobenzene on mineral -FeO particulates: a chamber experiment

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 11, doi: 10.1007/s11783-023-1734-9

Abstract:

● Photochemical conversion of chlorobenzene (CB) on α-Fe2O3 was evaluated.

Keywords： Photochemical conversion     Chlorobenzene     α-Fe2O3     PCDD/Fs     Mineral particulate    

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Effect of mineral additives and permeability reducing admixtures having different action mechanisms on

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5,   Pages 1277-1291 doi: 10.1007/s11709-021-1752-2

Abstract: having different action mechanisms on hardened state properties of cementitious systems containing mineralternary cement-based mixture having both fly ash and metakaolin was selected as the most successful mineral-additiveThe combined use of mineral additive and PRA had a more positive effect on the properties of the mixes

Keywords： cementitious system     mineral additive     permeability reducing admixture     mechanical properties     durability    

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Data sharing mechanism of various mineral resources based on blockchain

Yili REN, Jia LIANG, Jian SU, Gang CAO, He LIU

Frontiers of Engineering Management 2020, Volume 7, Issue 4,   Pages 592-604 doi: 10.1007/s42524-020-0132-2

Abstract: Basins with various mineral resources coexisting and enriching often occupy an important strategic positionThe exploration of various mineral resources is repetitive at present due to unshared data and imperfect

Keywords： data sharing     blockchain     various mineral resources     collaborative exploration     big data    

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Identification of differentially expressed miRNAs associated with chronic kidney disease–mineral bone

Kyung Im Kim, Sohyun Jeong, Nayoung Han, Jung Mi Oh, Kook-Hwan Oh, In-Wha Kim

Frontiers of Medicine 2017, Volume 11, Issue 3,   Pages 378-385 doi: 10.1007/s11684-017-0541-8

Abstract: differentially expressed mRNA in chronic kidney disease (CKD) to predict putative microRNA (miRNA) in CKD–mineral

Keywords： chronic kidney disease     microRNA     mineral bone disorder     uremia    

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Effect of microlimestone on properties of self-consolidating concrete with manufactured sand and mineral

Fulin Qu, Wengui Li, Xiaohui Zeng, Zhiyu Luo, Kejin Wang, Daichao Sheng

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1545-1560 doi: 10.1007/s11709-020-0678-4

Abstract: The obtained results can be used to promote the application of SCC made with manufactured sand and mineral

Keywords： microlimestone powder     manufactured sand     retreated manufactured sand     self-consolidating concrete     mineral    

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EFFECTS OF SUBSTITUTION OF MINERAL NITROGEN WITH ORGANIC AMENDMENTS ON NITROGEN LOSS FROM SLOPING CROPLAND

Frontiers of Agricultural Science and Engineering 2022, Volume 9, Issue 3,   Pages 396-406 doi: 10.15302/J-FASE-2022456

Abstract:

● Interflow acts as the dominant pathway for N loss loadings.

Keywords： improved fertilization regime     interflow     nitrogen forms     nitrogen leaching     purple soil     sloping cropland    

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PROPOSED INNOVATION REFORM MODEL FOR THE MINERAL NITROGEN FERTILIZER INDUSTRY IN CHINA TO REDUCE GREENHOUSE

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 2,   Pages 234-247 doi: 10.15302/J-FASE-2022468

Abstract:

● The carbon footprint of the nitrogen fertilizer chain has decreased significantly over the last decade.

Keywords： carbon accounting     life cycle assessment     policy     product structure    

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A combination process of mineral carbonation with SO2 disposal for simulated flue gas by magnesia-added

Yingying Zhao, Mengfan Wu, Zhiyong Ji, Yuanyuan Wang, Jiale Li, Jianlu Liu, Junsheng Yuan

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 4,   Pages 832-844 doi: 10.1007/s11705-019-1871-7

Abstract: The desulfurization by seawater and mineral carbonation have been paid more and more attention.After combing SO removal process with mineral carbonation, Ca removal rate has a certain degree of

Keywords： mineral carbonation     wet SO2 disposal     seawater     desulfurization    

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Influence of mineral transformation on emission of particulate matters during coal combustion

LIU Xiaowei, XU Minghou, YU Dunxi, GAO Xiangpeng, CAO Qian, HAO Wei

Frontiers in Energy 2007, Volume 1, Issue 2,   Pages 213-217 doi: 10.1007/s00000-007-0028-4

Abstract: Combustion of pulverized coal was studied in a drop tube furnace to understand coal mineral properties

Keywords： prevalent     Combustion     cut-off diameter     temperature     particle    

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Title Author Date Type Operation

Mechanical properties of rock materials with related to mineralogical characteristics and grain size

Wenjuan SUN, Linbing WANG, Yaqiong WANG

Journal Article

Crystallization and viscosity-temperature characteristics during co-gasification of industrial sludge

Linmin ZHANG, Bin LIU, Juntao WEI, Xudong SONG, Yonghui BAI, Jiaofei WANG, Ying ZHOU, Huijun YANG, Guangsuo YU

Journal Article

Effects of exercise therapy on bone mineral density in early postmenopausal women: a controlled trial

Shilin DENG MD ,

Journal Article

Construction and Application of Mineral Flotation Adsorption Equilibrium Model: Accurately Analyze Ions/ Reagents Adsorption Behavior on Mineral Surface

Gao Ya, Fu Xinzhuang, Han Haisheng, Wang Li, Yue Tong, Sun Wei

Journal Article

Relationship between the development of energy and mineral resources and ecological conservation redline

Dawei ZHANG

Journal Article

A state-of-the-art review on interfacial behavior between asphalt binder and mineral aggregate

Meng GUO, Yiqiu TAN, Linbing WANG, Yue HOU

Journal Article

Atmospheric heterogeneous reaction of chlorobenzene on mineral -FeO particulates: a chamber experiment

Journal Article

Effect of mineral additives and permeability reducing admixtures having different action mechanisms on

Journal Article

Data sharing mechanism of various mineral resources based on blockchain

Yili REN, Jia LIANG, Jian SU, Gang CAO, He LIU

Journal Article

Identification of differentially expressed miRNAs associated with chronic kidney disease–mineral bone

Kyung Im Kim, Sohyun Jeong, Nayoung Han, Jung Mi Oh, Kook-Hwan Oh, In-Wha Kim

Journal Article

Effect of microlimestone on properties of self-consolidating concrete with manufactured sand and mineral

Fulin Qu, Wengui Li, Xiaohui Zeng, Zhiyu Luo, Kejin Wang, Daichao Sheng

Journal Article

EFFECTS OF SUBSTITUTION OF MINERAL NITROGEN WITH ORGANIC AMENDMENTS ON NITROGEN LOSS FROM SLOPING CROPLAND

Journal Article

PROPOSED INNOVATION REFORM MODEL FOR THE MINERAL NITROGEN FERTILIZER INDUSTRY IN CHINA TO REDUCE GREENHOUSE

Journal Article

A combination process of mineral carbonation with SO2 disposal for simulated flue gas by magnesia-added

Yingying Zhao, Mengfan Wu, Zhiyong Ji, Yuanyuan Wang, Jiale Li, Jianlu Liu, Junsheng Yuan

Journal Article

Influence of mineral transformation on emission of particulate matters during coal combustion

LIU Xiaowei, XU Minghou, YU Dunxi, GAO Xiangpeng, CAO Qian, HAO Wei

Journal Article