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Development of an H reduction and moderate oxidation method for 3,5-dimethylpyridine hydrogenation in trickle bed reactor

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 12,   Pages 1807-1817 doi: 10.1007/s11705-022-2243-2

Abstract: i> reduced Ru/C-n catalyst was higher than that of the <i>in-situi> reduced Ru/C-y catalyst.Therefore, an <i>in-situi> H2 reduction and moderate oxidation method was developed to increaseof the <i>in-situi> H2 reduction and moderate oxidized Ru/C-i2 catalyst, the interactionThe developed <i>in-situi> H2 reduction and moderate oxidation method eliminated the stepof the non-<i>in-situi> reduction of catalyst outside the trickle bed reactor.

Keywords： Ru/C catalyst     <i>in-situi> H2 reduction and moderate oxidation     <i>in-situi> reduction     non-<i>in-situi> reduction     hydrogenation of 3     5-dimethylpyridine    

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density measurement for plastic injection molding via ultrasonic technology

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0714-2

Abstract: Therefore, <i>in-situi> density measurement is of great interest and has significant application valueThis study is the first to propose an <i>in-situi> density measurement method using ultrasonic technologyThe proposed method has the advantages of <i>in-situi> measurement, non-destructive, high accuracy,

Keywords： ultrasonic measurement     melt density     <i>in-situi> measurement     injection molding    

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Polyolefin-nanocomposites with special properties by in-situ polymerization

Walter Kaminsky

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 3,   Pages 555-563 doi: 10.1007/s11705-018-1715-x

Abstract:

Exceptionally strong polyolefin nanocomposites are synthesized by <i>in-situi> polymerization using

Keywords： polyolefin nanocomposites     metallocenes     methylaluminoxane    

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A novel six-legged walking machine tool for

Jimu LIU, Yuan TIAN, Feng GAO

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 3,   Pages 351-364 doi: 10.1007/s11465-020-0594-2

Abstract: The manufacture and maintenance of large parts in ships, trains, aircrafts, and so on create an increasing demand for mobile machine tools to perform operations. However, few mobile robots can accommodate the complex environment of industrial plants while performing machining tasks. This study proposes a novel six-legged walking machine tool consisting of a legged mobile robot and a portable parallel kinematic machine tool. The kinematic model of the entire system is presented, and the workspace of different components, including a leg, the body, and the head, is analyzed. A hierarchical motion planning scheme is proposed to take advantage of the large workspace of the legged mobile platform and the high precision of the parallel machine tool. The repeatability of the head motion, body motion, and walking distance is evaluated through experiments, which is 0.11, 1.0, and 3.4 mm, respectively. Finally, an application scenario is shown in which the walking machine tool steps successfully over a 250 mm-high obstacle and drills a hole in an aluminum plate. The experiments prove the rationality of the hierarchical motion planning scheme and demonstrate the extensive potential of the walking machine tool for operations on large parts.

Keywords： legged robot     parallel mechanism     mobile machine tool     <i>in-situi> machining    

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Comprehensive kinetostatic modeling and morphology characterization of cable-driven continuum robots for aero-engine maintenance

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 3, doi: 10.1007/s11465-023-0756-0

Abstract: <i>In-situi> maintenance is of great significance for improving the efficiency and ensuring the safetyin-situi> aero-engine maintenance.in-situi> maintenance.in-situi> aero-engine maintenance.The compact continuum robot system could be considered a novel solution to perform <i>in-situi> maintenance

Keywords： kinetostatic modeling     morphology characterization     variable friction     continuum robots     <i>in-situi> maintenance    

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grown TiN/N-TiO composite for enhanced photocatalytic H evolution activity

Frontiers in Energy 2021, Volume 15, Issue 3,   Pages 721-731 doi: 10.1007/s11708-021-0766-8

Abstract: decorated N-doped titania (N-TiO2) composite (TiN/N-TiO2) is fabricated via an <i>in situ i>nitridation using a hydrothermally synthesized TiO2 and melamine (MA) as raw materialsThe results indicate that the superior activity is mainly caused by the <i>in i><i>situ i>formationThe present study provides a fascinating approach to <i>in situi> forming nonmetallic plasmonic material

Keywords： photocatalytic H2 evolution     TiN/N-TiO2 composite     plasmonic effect     <i>in-situi> nitridation    

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Carbon-coated Ni-Co alloy catalysts: preparation and performance for aqueous phase hydrodeoxygenation of methyl palmitate to hydrocarbons using methanol as the hydrogen donor

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 3,   Pages 443-460 doi: 10.1007/s11705-021-2079-1

Abstract: Compared with those of metallic Ni and Co, the <i>di>-band center of the Ni-Co alloy shifted away fromIn the <i>in-situi> aqueous phase hydrodeoxygenation of methyl palmitate with methanol as the hydrogenThe Ni-Co@C catalysts gave higher activity than the Ni@C and Co@C catalysts, and the yields of <i>ni>-pentadecane and <i>ni>-C6–<i>ni>-C16 reached 71.6% and 92.6%, respectively

Keywords： Stöber method     carbon-coated Ni-Co alloy     <i>in-situi> hydrodeoxygenation     methyl palmitate     decarbonylation    

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Room temperature preparation of hydrazine-linked covalent organic frameworks coated capillaries for separation and determination of polycyclic aromatic hydrocarbons

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 5,   Pages 548-556 doi: 10.1007/s11705-022-2252-1

Abstract: The TFPB-DHzDS coated capillaries were prepared by an <i>in-situi> growth process at room temperature

Keywords： hydrazine-linked TFPB-DHzDS     <i>in-situi> growth method     open-tubular capillary electrochromatography    

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Efficient hydrothermal deoxygenation of methyl palmitate to diesel-like hydrocarbons on carbon encapsulated Ni–Sn intermetallic compounds with methanol as hydrogen donor

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 2,   Pages 139-155 doi: 10.1007/s11705-022-2217-4

Abstract: in-situi> hydrothermal deoxygenation of methyl palmitate with methanol as the hydrogen donor.During the <i>in-situi> hydrothermal deoxygenation, the synergism between Ni and Sn favors palmiticacid hydrogenation to a highly reactive hexadecanal that easily either decarbonylate to <i>ni>-pentadecane/i>-pentadecane.The <i>ni>-pentadecane and <i>ni>-hexadecane yields reached 88.1% and 92.8% on carbon-encapsulated

Keywords： extended Stöber method     carbon encapsulated Ni–Sn intermetallic compounds     confinement     <i>in-situi    

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Frontier of continuous structural health monitoring system for short & medium span bridges and condition assessment

Ayaho MIYAMOTO, Risto KIVILUOMA, Akito YABE

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 3,   Pages 569-604 doi: 10.1007/s11709-018-0498-y

Abstract: It is becoming an important social problem to make maintenance and rehabilitation of existing short and medium span(10-20 m) bridges because there are a huge amount of short and medium span bridges in service in the world. The kernel of such bridge management is to develop a method of safety(condition) assessment on items which include remaining life and load carrying capacity. Bridge health monitoring using information technology and sensors is capable of providing more accurate knowledge of bridge performance than traditional strategies. The aim of this paper is to introduce a state-of-the-art on not only a rational bridge health monitoring system incorporating with the information and communication technologies for lifetime management of existing short and medium span bridges but also a continuous data collecting system designed for bridge health monitoring of mainly short and medium span bridges. In this paper, although there are some useful monitoring methods for short and medium span bridges based on the qualitative or quantitative information, mainly two advanced structural health monitoring systems are described to review and analyse the potential of utilizing the long term health monitoring in safety assessment and management issues for short and medium span bridge. The first is a special designed mobile loading device(vehicle) for short and medium span road bridges to assess the structural safety(performance) and derive optimal strategies for maintenance using reliability based method. The second is a long term health monitoring method by using the public buses as part of a public transit system (called bus monitoring system) to be applied mainly to short and medium span bridges, along with safety indices, namely, “characteristic deflection” which is relatively free from the influence of dynamic disturbances due to such factors as the roughness of the road surface, and a structural anomaly parameter.

Keywords： collection     system     maintenance     bridge performance     information technology     loading vehicle(public bus)     <i>in-situi> loading    

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Carbon-doped surface unsaturated sulfur enriched CoS@rGO aerogel pseudocapacitive anode and biomass-derived porous carbon cathode for advanced lithium-ion capacitors

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 6,   Pages 1500-1513 doi: 10.1007/s11705-021-2086-2

Abstract: For the anode, we introduced <i>in situi> carbon-doped and surface-enriched unsaturated sulfur into

Keywords： <i>in-situi> carbon-doped     surface unsaturated sulfur enriched     pseudocapacitive energy storage     biomass-derived    

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In-situ condition monitoring of reinforced concrete structures

Sanjeev Kumar VERMA,Sudhir Singh BHADAURIA,Saleem AKHTAR

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 4,   Pages 420-437 doi: 10.1007/s11709-016-0336-z

Abstract: deterioration mechanisms, performance characteristics and parameters and condition monitoring of in situ

Keywords： concrete     carbonation     chloride     corrosion     monitoring     models    

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Remediation of soil and groundwater contaminated with organic chemicals using stabilized nanoparticles: Lessons from the past two decades

Zhengqing Cai, Xiao Zhao, Jun Duan, Dongye Zhao, Zhi Dang, Zhang Lin

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 5, doi: 10.1007/s11783-020-1263-8

Abstract: . ▪ Examined various in situ remediation technologies based on stabilized nanoparticles. ▪ Summarizeddeliverability and high reactivity, stabilized nanoparticles have been studied for nearly two decades for in situmechanisms in nanoparticle stabilization; 2) summarize key applications of stabilized nanoparticles for in situ

Keywords： Stabilized nanoparticle     <i>In-situi> remediation     Organic contaminant     Soil remediation     Groundwater     Fate    

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Organics Recovery from Waste Activated Sludge In-situ Driving Efficient Nitrogen Removal from Mature

Fangzhai Zhang,Shang Ren,Haoran Liang,Zhaozhi Wang,Ying Yan,Jiahui Wang,Yongzhen Peng,

Engineering doi: 10.1016/j.eng.2023.03.005

Abstract: free nitrous acid (FNA) to realize sustainable organics recovery from waste activated sludge (WAS) in-situ

Keywords： Waste activated sludge     Bioresource recovery     Simultaneous treatment of wastewater and sludge     Mature landfill leachate     Free nitrous acid    

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Thermodynamic analysis of liquid phase in situ hydrogenation of glycerol for 1,3-propanediol synthesis

Kun OUYANG, Yu HUANG, Haoyi CHEN, Tao LI, Fahai CAO, Dingye FANG

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 1,   Pages 67-73 doi: 10.1007/s11705-010-0541-6

Abstract: reforming (APR) and catalytic hydrogenation of glycerol, a novel reaction system of liquid phase in situreforming reaction; the hydrogen generated from the APR of glycerol can be quickly transformed to the in situ

Keywords： glycerol     aqueous-phase reforming     1     3-propanediol     in-situ reduction    

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Title Author Date Type Operation

Development of an H reduction and moderate oxidation method for 3,5-dimethylpyridine hydrogenation in trickle bed reactor

Journal Article

density measurement for plastic injection molding via ultrasonic technology

Journal Article

Polyolefin-nanocomposites with special properties by in-situ polymerization

Walter Kaminsky

Journal Article

A novel six-legged walking machine tool for

Jimu LIU, Yuan TIAN, Feng GAO

Journal Article

Comprehensive kinetostatic modeling and morphology characterization of cable-driven continuum robots for aero-engine maintenance

Journal Article

grown TiN/N-TiO composite for enhanced photocatalytic H evolution activity

Journal Article

Carbon-coated Ni-Co alloy catalysts: preparation and performance for aqueous phase hydrodeoxygenation of methyl palmitate to hydrocarbons using methanol as the hydrogen donor

Journal Article

Room temperature preparation of hydrazine-linked covalent organic frameworks coated capillaries for separation and determination of polycyclic aromatic hydrocarbons

Journal Article

Efficient hydrothermal deoxygenation of methyl palmitate to diesel-like hydrocarbons on carbon encapsulated Ni–Sn intermetallic compounds with methanol as hydrogen donor

Journal Article

Frontier of continuous structural health monitoring system for short & medium span bridges and condition assessment

Ayaho MIYAMOTO, Risto KIVILUOMA, Akito YABE

Journal Article

Carbon-doped surface unsaturated sulfur enriched CoS@rGO aerogel pseudocapacitive anode and biomass-derived porous carbon cathode for advanced lithium-ion capacitors

Journal Article

In-situ condition monitoring of reinforced concrete structures

Sanjeev Kumar VERMA,Sudhir Singh BHADAURIA,Saleem AKHTAR

Journal Article

Remediation of soil and groundwater contaminated with organic chemicals using stabilized nanoparticles: Lessons from the past two decades

Zhengqing Cai, Xiao Zhao, Jun Duan, Dongye Zhao, Zhi Dang, Zhang Lin

Journal Article

Organics Recovery from Waste Activated Sludge In-situ Driving Efficient Nitrogen Removal from Mature

Fangzhai Zhang,Shang Ren,Haoran Liang,Zhaozhi Wang,Ying Yan,Jiahui Wang,Yongzhen Peng,

Journal Article

Thermodynamic analysis of liquid phase in situ hydrogenation of glycerol for 1,3-propanediol synthesis

Kun OUYANG, Yu HUANG, Haoyi CHEN, Tao LI, Fahai CAO, Dingye FANG

Journal Article