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Leaching of aluminum from coal spoil by mechanothermal activation

Xiaoxue SUN,Yuzhu SUN,Jianguo YU

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 2,   Pages 216-223 doi: 10.1007/s11705-015-1518-2

Abstract: Then a mechanothermal activation method was adopted to increase the aluminum activity in the coal spoilOver 95% of the aluminum in the CS could be extracted using this activation method.The mechanothermal activation process promoted the destruction of kaolinite structures and hindered the

Keywords： coal spoil     mechanothermal compound activation     leaching    

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Steam reforming of toluene as a tar model compound with modified nickel-based catalyst

Omeralfaroug KHALIFA, Mingxin XU, Rongjun ZHANG, Tahir IQBAL, Mingfeng LI, Qiang LU

Frontiers in Energy 2022, Volume 16, Issue 3,   Pages 492-501 doi: 10.1007/s11708-021-0721-8

Abstract: Catalytic steam reforming is a promising route for tar conversion to high energy syngas in the process of biomass gasification. However, the catalyst deactivation caused by the deposition of residual carbon is still a major challenge. In this paper, a modified Ni-based Ni-Co/Al O -CaO (Ni-Co/AC) catalyst and a conventional Ni/Al O (Ni/A) catalyst were prepared and tested for tar catalytic removal in which toluene was selected as the model component. Experiments were conducted to reveal the influences of the reaction temperature and the ratio between steam to carbon on the toluene conversion and the hydrogen yield. The physicochemical properties of the modified Ni-based catalyst were determined by a series of characterization methods. The results indicated that the Ni-Co alloy was determined over the Ni-Co/AC catalyst. The doping of CaO and the presence of Ni-Co alloy promoted the performance of toluene catalytic dissociation over Ni-Co/AC catalyst compared with that over Ni/A catalyst. After testing in steam for 40 h, the carbon conversion over Ni-Co/AC maintained above 86% and its resistance to carbon deposition was superior to Ni/A catalyst.

Keywords： catalytic steam reforming     tar model compound     Ni-based catalyst     carbon resistance    

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Enhanced activation of peroxymonosulfate by CNT-TiO

Xuemin Hao, Guanlong Wang, Shuo Chen, Hongtao Yu, Xie Quan

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 5, doi: 10.1007/s11783-019-1161-0

Abstract: In this work, a UV-light assisted peroxymonosulfate (PMS) activation system was constructed with theirradiation, the photoinduced electrons generated from TiO2 could be continuously transferred to CNT for the activationcatalytic performance was ascribed to the introduction of photoinduced electrons, which could enhance the activation

Keywords： Peroxymonosulfate activation     Carbon nanotubes     TiO2     Water treatment    

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Shear stress distribution prediction in symmetric compound channels using data mining and machine learning

Zohreh SHEIKH KHOZANI, Khabat KHOSRAVI, Mohammadamin TORABI, Amir MOSAVI, Bahram REZAEI, Timon RABCZUK

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 5,   Pages 1097-1109 doi: 10.1007/s11709-020-0634-3

Abstract: a series of experimental tests were conducted to assess the shear stress distribution in prismatic compoundThe shear stress values around the whole wetted perimeter were measured in the compound channel withand Additive Regression implemented on attained data to predict the shear stress distribution in the compound

Keywords： compound channel     machine learning     SKM model     shear stress distribution     data mining models    

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Hierarchical porous carbon derived from one-step self-activation of zinc gluconate for symmetric supercapacitors

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 4,   Pages 387-394 doi: 10.1007/s11705-022-2250-3

Abstract: straightforward and effective strategy is presented for producing highly porous carbons via a self-activation

Keywords： self-activation     zinc organic salts     abundant mesopores     symmetric supercapacitor     liquid electrolyte    

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Enhanced performance of oxygen vacancies on CO adsorption and activation over different phases of ZrO

Frontiers in Energy 2023, Volume 17, Issue 4,   Pages 545-554 doi: 10.1007/s11708-023-0867-7

Abstract: The effect of oxygen vacancies on the adsorption and activation of CO2 on the surface of differentThe calculations show that the oxygen vacancies contribute greatly to both the adsorption and activationFurthermore, the activation of CO2 on the ZrO2 surface where oxygen vacancies areThis finding demonstrates that the presence of oxygen vacancies promotes the activation of CO2

Keywords： CO2 activation     oxygen vacancies     ZrO2     different phases    

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R158Q and G212S, novel pathogenic compound heterozygous variants in of Gitelman syndrome

Frontiers of Medicine 2022, Volume 16, Issue 6,   Pages 932-945 doi: 10.1007/s11684-022-0963-9

Abstract: Meanwhile, we conducted a compound heterozygous model—Ncc R156Q/G210S mice corresponding to human NCC

Keywords： Gitelman syndrome     mouse model     compound heterozygous     hypokalemia     Slc12a3    

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A density functional theory study of methane activation on MgO supported NiM cluster: role of M on C–Hactivation

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 10,   Pages 1485-1492 doi: 10.1007/s11705-022-2169-8

Abstract: Methane activation is a pivotal step in the application of natural gas converting into high-value addedIn present work, methane activation on MgO supported Ni–M (M = Fe, Co, Cu, Pd, Pt) cluster was exploredDoping elements of the same period in Ni cluster, such as Fe, Co and Cu, for C–H bond activation followsIn addition, doping the elements of the same family, like Pd and Pt, for CH4 activation isConsequently, C–H bond activation demands a lower energy barrier on Ni–Pt cluster.

Keywords： CH4 dissociation     Ni–M     C–H bond activation     charge transfer    

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A compound load simulator based on zero-torsion parallel mechanisms

Jingjun YU, Wei LI, Xu PEI, Shusheng BI, Guanghua ZONG

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 1,   Pages 1-4 doi: 10.1007/s11465-012-0306-7

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Optimal dynamic emergency reserve activation using spinning, hydro and demand-side reserves

S. Surender REDDY,P. R. BIJWE,A. R. ABHYANKAR

Frontiers in Energy 2016, Volume 10, Issue 4,   Pages 409-423 doi: 10.1007/s11708-016-0431-9

Abstract: This paper proposes an optimal dynamic reserve activation plan after the occurrence of an emergency situationThe proposed reserve activation approaches are solved using the genetic algorithm, and some of the simulationThese results demonstrate the advantage of the proposed integrated/dynamic reserve activation plan over

Keywords： demand-side reserves     dynamic reserve activation approach     hydro power units     post contingency     sequentialreserve activation approach     spinning reserves    

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Tumor-derived exosomes induce initial activation by exosomal CD19 antigen but impair the function of

Frontiers of Medicine doi: 10.1007/s11684-023-1010-1

Abstract: Tumor-derived exosomes induce initial activation by exosomal CD19 antigen but impair the function of

Keywords： exosomes induce activation     impair function CD19     exosomal CD19 antigen    

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Coronary leukocyte activation in relation to progression of coronary artery disease

Marijke A. de Vries,Arash Alipour,Erwin Birnie,Andrew Westzaan,Selvetta van Santen,Ellen van der Zwan,Anho H. Liem,Noëlle van der Meulen,Manuel Castro Cabezas

Frontiers of Medicine 2016, Volume 10, Issue 1,   Pages 85-90 doi: 10.1007/s11684-016-0435-1

Abstract:

Leukocyte activation has been linked to atherogenesis, but there is little in vivo We evaluated the predictive value for progression of coronary artery disease (CAD) of leukocyte activation

Keywords： coronary artery disease     inflammation     integrin     myeloperoxidase     leukocyte activation    

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NETO2 promotes melanoma progression via activation of the Ca/CaMKII signaling pathway

Frontiers of Medicine 2023, Volume 17, Issue 2,   Pages 263-274 doi: 10.1007/s11684-022-0935-0

Abstract: Melanoma is the most aggressive cutaneous tumor. Neuropilin and tolloid-like 2 (NETO2) is closely related to tumorigenesis. However, the functional significance of NETO2 in melanoma progression remains unclear. Herein, we found that NETO2 expression was augmented in melanoma clinical tissues and associated with poor prognosis in melanoma patients. Disrupting NETO2 expression markedly inhibited melanoma proliferation, malignant growth, migration, and invasion by downregulating the levels of calcium ions (Ca2+) and the expression of key genes involved in the calcium signaling pathway. By contrast, NETO2 overexpression had the opposite effects. Importantly, pharmacological inhibition of CaMKII/CREB activity with the CaMKII inhibitor KN93 suppressed NETO2-induced proliferation and melanoma metastasis. Overall, this study uncovered the crucial role of NETO2-mediated regulation in melanoma progression, indicating that targeting NETO2 may effectively improve melanoma treatment.

Keywords： melanoma     neuropilin and tolloid-like 2     Ca2+/CaMKII signaling pathway    

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Insights into the electron transfer mechanisms of permanganate activation by carbon nanotube membrane

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 9, doi: 10.1007/s11783-023-1706-0

Abstract:

● A CNT filter enabled effective KMnO4 activation via

Keywords： KMnO4     Carbon nanotubes     Non-radical pathway     Electron transfer     Water treatment    

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Engineering practice of mechanical soil aeration for the remediation of volatile organic compound-contaminated

Yan Ma, Xiaoming Du, Yi Shi, Deyi Hou, Binbin Dong, Zhu Xu, Huiying Li, Yunfeng Xie, Jidun Fang, Zheng Li, Yunzhe Cao, Qingbao Gu, Fasheng Li

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 6, doi: 10.1007/s11783-016-0870-x

Abstract: soil remediation technique that is particularly suitable for the remediation of large volatile organic compound-contaminated

Keywords： Soil contamination     Volatile organic compound     Mechanical soil aeration     Engineering practice     China    

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Title Author Date Type Operation

Leaching of aluminum from coal spoil by mechanothermal activation

Xiaoxue SUN,Yuzhu SUN,Jianguo YU

Journal Article

Steam reforming of toluene as a tar model compound with modified nickel-based catalyst

Omeralfaroug KHALIFA, Mingxin XU, Rongjun ZHANG, Tahir IQBAL, Mingfeng LI, Qiang LU

Journal Article

Enhanced activation of peroxymonosulfate by CNT-TiO

Xuemin Hao, Guanlong Wang, Shuo Chen, Hongtao Yu, Xie Quan

Journal Article

Shear stress distribution prediction in symmetric compound channels using data mining and machine learning

Zohreh SHEIKH KHOZANI, Khabat KHOSRAVI, Mohammadamin TORABI, Amir MOSAVI, Bahram REZAEI, Timon RABCZUK

Journal Article

Hierarchical porous carbon derived from one-step self-activation of zinc gluconate for symmetric supercapacitors

Journal Article

Enhanced performance of oxygen vacancies on CO adsorption and activation over different phases of ZrO

Journal Article

R158Q and G212S, novel pathogenic compound heterozygous variants in of Gitelman syndrome

Journal Article

A density functional theory study of methane activation on MgO supported NiM cluster: role of M on C–Hactivation

Journal Article

A compound load simulator based on zero-torsion parallel mechanisms

Jingjun YU, Wei LI, Xu PEI, Shusheng BI, Guanghua ZONG

Journal Article

Optimal dynamic emergency reserve activation using spinning, hydro and demand-side reserves

S. Surender REDDY,P. R. BIJWE,A. R. ABHYANKAR

Journal Article

Tumor-derived exosomes induce initial activation by exosomal CD19 antigen but impair the function of

Journal Article

Coronary leukocyte activation in relation to progression of coronary artery disease

Marijke A. de Vries,Arash Alipour,Erwin Birnie,Andrew Westzaan,Selvetta van Santen,Ellen van der Zwan,Anho H. Liem,Noëlle van der Meulen,Manuel Castro Cabezas

Journal Article

NETO2 promotes melanoma progression via activation of the Ca/CaMKII signaling pathway

Journal Article

Insights into the electron transfer mechanisms of permanganate activation by carbon nanotube membrane

Journal Article

Engineering practice of mechanical soil aeration for the remediation of volatile organic compound-contaminated

Yan Ma, Xiaoming Du, Yi Shi, Deyi Hou, Binbin Dong, Zhu Xu, Huiying Li, Yunfeng Xie, Jidun Fang, Zheng Li, Yunzhe Cao, Qingbao Gu, Fasheng Li

Journal Article