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Preparation of P

Wenjiang LI, Fei XIE, Dongxu HUA, Chunli ZHANG, Chen DAI, Zhenyun YU, Meizhou QI, Shaojun YU

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3, Pages 314-317 doi: 10.1007/s11705-010-0573-y

Abstract: prepared by a sol-gel/emulsion method which uses tetraethoxysilane (TEOS) as the precursor for the SiOand phosphoric acid (H PO ) as the precursor for P O .The hollow structure of the P O -SiO (silicophosphate) was characterized by X-ray diffraction (XRD),

Keywords： P₂O₅-SiO₂ hollow microspheres sol-gel/emulsion phosphoric acid

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The stabilization effect of Al₂O₃ on unconventional Pb/SiO₂ catalyst

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10, Pages 1423-1429 doi: 10.1007/s11705-023-2315-y

Abstract: To enhance the stability, the traditional carrier Al₂O₃ with a small amount, wasintroduced into Pb/SiO₂ catalyst in this study.It has been proved that Al₂O₃ can inhibit the reduction of PbO, and weaken theAs a result, 3Al15Pb/SiO₂ catalyst exhibits a much higher stability up to more than 150 h./sub>O₃ addition was also proposed.

Keywords： Pb/SiO₂ Al₂O₃ propane dehydrogenation propene stability

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Effect of SiO

Qian WANG, Lei WANG, Hui WANG, Zengxi LI, Xiangping ZHANG, Suojiang ZHANG, Kebin ZHOU

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 1, Pages 79-88 doi: 10.1007/s11705-010-0550-5

Abstract: A series of SAPO-34 molecular sieves with different SiO /Al O ratios have been synthesized for the methanol-to-olefindiameter of SAPO-34 as well as HZSM-5 increase with SiO /Al O ratio.The variation of BET surface area of SAPO-34 is different from that of HZSM-5 and the sample with SiOWhen the SiO /Al O ratio increases, propylene and butylenes become the predominant product of the MTOreaction over HZSM-5.

Keywords： HZSM-5 SAPO-34 methanol-to-olefin (MTO) SiO₂/Al₂O₃ ratio

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Correlation between serum miR-154-5p and urinary albumin excretion rates in patients with type 2 diabetes

Huiwen Ren, Can Wu, Ying Shao, Shuang Liu, Yang Zhou, Qiuyue Wang

Frontiers of Medicine 2020, Volume 14, Issue 5, Pages 642-650 doi: 10.1007/s11684-019-0719-3

Abstract: This study aimed to investigate the correlation between serum miR-154-5p and urinary albumin to creatinineCirculating miR-154-5p, inflammatory (C-reactive protein (CRP); erythrocyte sedimentation rate (ESR);UACR, miR-154-5p, glycated hemoglobin (HbA1c), serum creatinine (sCr), blood urea nitrogen (BUN), ESRElevated levels of UACR and miR-154-5p were directly correlated with HbA1c, sCr, BUN, ESR, CRP, VEGF,These findings indicated that elevated serum miR-154-5p is significantly correlated with high UACR in

Keywords： type 2 diabetes mellitus diabetic kidney disease miR-154-5p urinary albumin to creatinine ratio

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Study on Electrodeposited Zn-Fe-SiO2 Composite Coatings

Zhang Yingjie,Fan Yunying,Dong Peng,Luo Shaolin

Strategic Study of CAE 2008, Volume 10, Issue 3, Pages 93-96

Abstract: <p style="text-align: justify;">Experiments on electrodeposited Zn-Fe-SiO2 composite coatings are reported.Effectsp>

Keywords： electrodeposition composite coating Zn-Fe-SiO2

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Synthesis of magnetic Pb/Fe

Hualiang AN, Xinqiang ZHAO, Zhiguang JIA, Changcheng WU, Yanji WANG

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 2, Pages 215-218 doi: 10.1007/s11705-009-0055-2

Abstract: To facilitate the recovery of Pb/SiO catalyst, magnetic Pb/Fe O /SiO samples were prepared separatelyWhen the gelatin was applied in the preparation of Fe O at 60°C and the pH value was controlled at 4in the preparation of Fe O /SiO , the Pb/Fe O /SiO sample shows good catalytic activity and magnetismUnder the reaction conditions of a reaction temperature of 180°C, reaction time of 2 h, catalyst percentage

Keywords： Pb/Fe₃O₄/SiO₂ magnetic particle urea 1 2-propylene glycol propylene

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N₂O emission from a sequencing batch reactor for biological N and P removal from wastewater

Lei SHEN,Yuntao GUAN,Guangxue WU,Xinmin ZHAN

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 5, Pages 776-783 doi: 10.1007/s11783-013-0586-0

Abstract: Nitrous oxide (N O) is a greenhouse gas that can be released during biological nitrogen removal fromN O emission from a sequencing batch reactor (SBR) for biological nitrogen and phosphorus removal fromthe aims were to examine which process, nitrification or denitrification, would contribute more to N Oemission and to study the effects of heterotrophic activities on N O emission during nitrification.The ratio of N O emission to the removed ammonium nitrogen (N O-N/NH -N) was 2.5% in the SBR system with

Keywords： biological nutrient removal denitrification greenhouse gas nitrification nitrous oxide

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On the monolayer dispersion behavior of Co₃O₄ on HZSM-5 support: designing applicable

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 11, Pages 1741-1754 doi: 10.1007/s11705-023-2332-x

Abstract: Based on monolayer dispersion theory, Co₃O₄/ZSM-5 catalysts with different loadingsCo₃O₄ can spontaneously disperse on HZSM-5 support with a monolayer dispersionIt has been revealed that the quantities of surface active oxygen (O₂^–) and acidcapacity, possesses the most abundant active O₂^– species and acidic sites, therebycapacity amount of Co₃O₄ onto HZSM-5 support.

Keywords： Co₃O₄/ZSM-5 NO_x-SCR by NH₃ monolayer dispersionthreshold effect surface acid sites surface active O₂^– anions

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Rh₂O₃/hexagonal CePO₄ nanocatalysts for N₂O decomposition

Huan Liu, Zhen Ma

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 4, Pages 586-593 doi: 10.1007/s11705-017-1659-6

Abstract: Rh(NO ) was then used as a precursor for the impregnation of Rh O onto these CePO materials.The Rh O supported on the CePO nanowires was much more active for the catalytic decomposition of NO than the Rh O supported on CePO nanorods.of both catalysts as a function of time on stream was studied and the influence of the co-feed (CO , O, H O or O /H O) on the N O decomposition was also investigated.

Keywords： Rh₂O₃ CePO₄ N₂O decomposition

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Chemical deactivation of V

Xiaodong WU, Wenchao YU, Zhichun SI, Duan WENG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 3, Pages 420-427 doi: 10.1007/s11783-013-0489-0

Abstract: V O -WO /TiO catalyst was poisoned by impregnation with NH Cl, KOH and KCl solution, respectively.chloride enlarges the pore size of the titania support, and promotes the formation of highly dispersed V=O

Keywords： V₂O₅-WO₃/TiO₂ potassium chloride poisoning reducibility acid

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Inexpensive synthesis of a high-performance Fe

Nadir Abbas, Godlisten N. Shao, Syed M. Imran, Muhammad S. Haider, Hee Taik Kim

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 3, Pages 405-416 doi: 10.1007/s11705-016-1579-x

Abstract: A sol-gel technique has been developed for the synthesis of a magnetite-silica-titania (Fe O -SiO -TiO

Keywords： sol-gel photocatalysis magnetic recovery TiO₂ Fe₃O₄ SiO₂

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Hydrogenation of furfuryl alcohol to tetrahydrofurfuryl alcohol on NiB/SiO2 amorphous alloy catalyst

SONG Yun, LI Wei, ZHANG Minghui, TAO Keyi

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 2, Pages 151-154 doi: 10.1007/s11705-007-0028-2

Abstract: NiB/SiO amorphous alloy catalyst was prepared by power electroless plating method and characterized byThe catalytic performance of NiB/SiO was investigated for the hydrogenation of furfuryl alcohol (FA)

Keywords： following Brunauer electroless temperature transmission

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Physical and chemical processes of wintertime secondary nitrate aerosol formation

Qi YING

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 3, Pages 348-361 doi: 10.1007/s11783-011-0343-1

Abstract: In the nighttime hours, both the gas phase N O reactions with water vapor and the N O heterogeneousThe N O reactions are most import near the surface to a few hundred meters above surface with a maximumsecondary nitrate increase rate of 1 μg·m ·d and are more significant in the rural areas where the O

Keywords： secondary nitrate aerosol N₂O₅ heterogeneous reaction process analysis

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SiO₂ passivation layer grown by liquid phase deposition for silicon solar cell application

Yanlin CHEN,Sihua ZHONG,Miao TAN,Wenzhong SHEN

Frontiers in Energy 2017, Volume 11, Issue 1, Pages 52-59 doi: 10.1007/s11708-016-0429-3

Abstract: In this paper, a comprehensive understanding of the SiO passivation layer grown by liquid phase depositionfound that the post-annealing process could significantly enhance the passivation effect of the LPD SiOfield-effect passivation mechanisms played important roles in outstanding passivation effect of the LPD SiOthrough analyzing the minority carrier lifetime and the surface recombination velocity of n-type and p-typeBy utilizing the LPD SiO film as surface passivation layer, a 19.5%-efficient silicon solar cell on

Keywords： Si solar cell passivation SiO₂ liquid phase deposition carrier lifetime

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Characterization and performance of V

Caiting LI, Qun LI, Pei LU, Huafei CUI, Guangming ZENG

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 2, Pages 156-161 doi: 10.1007/s11783-010-0295-x

Abstract: A series of CeO supported V O catalysts with various loadings were prepared with different calcinationThe effects of O and SO on catalytic activity were also studied.The experimental results showed that NO conversion changed significantly with the different V O loadingWith the V O loading increasing from 0 to 10 wt%, NO conversion increased significantly, but decreased

Keywords： V₂O₅/CeO₂ catalysts NH₃-SCR (selective catalytic reduction