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Development of lunar regolith composite and structure via laser-assisted sintering

Frontiers of Mechanical Engineering doi: 10.1007/s11465-021-0662-2

Abstract: Aiming at the exploration and resource utilization activities on the Moon, in situ resource utilizationand in situ manufacturing are proposed to minimize the dependence on the ground transportationIn this paper, a laser-assisted additive manufacturing process is developed to fabricate lunar regolithfeasibility of this laser-assisted process are potentially developed for future lightweight design and manufacturing

Keywords： in situ manufacturing     laser-assisted powder fusion process     mechanical properties     topological    

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Design and In Situ Additive Manufacturing of Multifunctional Structures Article

Yan Zhang, Guangyu Zhang, Jing Qiao, Longqiu Li

Engineering 2023, Volume 28, Issue 9,   Pages 58-68 doi: 10.1016/j.eng.2022.11.009

Abstract: However, conventional design and manufacturing methods—which generally lack quality controlMotivated by the concept of design for manufacturing, we adopt a layer regulation method with anA high-temperature in situ additive manufacturing (AM) technology is developed to print various This work provides a systematic approach for high-performance design and advanced manufacturing

Keywords： Additive manufacturing     Multifunctional structure     Optimal design     Satellite     Polyetheretherketone    

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Development and application of ex-situ presulfurization technology for hydrotreating catalysts in China

Yulan GAO, Xiangchen FANG, Zhenmin CHENG

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3,   Pages 287-296 doi: 10.1007/s11705-010-0529-2

Abstract: The development and application of ex-situ presulfurization (EPRES) technology for hydrotreating catalysts

Keywords： ex-situ presulfurization     in situ presulfurization     hydrotreating catalyst     sulfur utilization ratio    

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Development of lunar regolith-based composite for - 3D printing via high-pressure extrusion system

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-022-0745-8

Abstract: To fully utilize the in-situ resources on the moon to facilitate the establishment of a lunarprinting approach to adapt to the extreme environment and utilize the lunar regolith for in-situHowever, the in-situ 3D printing using raw lunar regolith consumes extremely high energyaffinity of polymer binders with lunar regolith as well as maximize the loading ratio of in-situ manufacturing.

Keywords： in-situ resource utilization     melt extrusion molding     lunar regolith-based composites     mechanical properties     additive manufacturing    

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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 in-situ polymerization using

Keywords： polyolefin nanocomposites     metallocenes     methylaluminoxane    

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A New Method for Inferencing and Representing a Workpiece Residual Stress Field Using Monitored Deformation Force Data

Zhiwei Zhao,Changqing Liu,Yingguang Li,James Gao

Engineering 2023, Volume 22, Issue 3,   Pages 49-59 doi: 10.1016/j.eng.2022.07.018

Abstract: by residual stress using dynamic machining monitoring data in the context of digital and intelligent manufacturing

Keywords： Residual stress field     Precision manufacturing     Deformation force     Inverse problem     In situ     measurement    

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Propagation characteristics of transient waves in low-strain integrity testing on cast-in-situ concrete

Hanlong LIU, Xuanming DING

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 2,   Pages 240-240 doi: 10.1007/s11709-009-0100-8

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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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In situ-based assessment of soil liquefaction potential–Case study of an earth dam in Tunisia

Ikram GUETTAYA,Mohamed Ridha EL OUNI

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 4,   Pages 456-461 doi: 10.1007/s11709-014-0259-5

Abstract: The present paper examines the evaluation of liquefaction potential of an earth dam foundation in Tunisia. The assessment of soil liquefaction was made using deterministic and probabilistic simplified procedures developed from several case histories. The data collected from the field investigation performed before and after the vibrocompaction are analyzed and the results are reported. The obtained results show that after vibrocompaction, a significant improvement of the soil resistance reduces the liquefaction potential of the sandy foundation. Indeed, in the untreated layers, the factor of safety drops below 1 which means that the soil is susceptible for liquefaction. However, in the compacted horizons, the values of exceed the unit which justifies the absence of liquefaction hazard of the foundation.

Keywords： liquefaction     cone penetration test (CPT)     standard penetration test (SPT)     vibrcompaction     sand    

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In situ synthesis of FeS/Carbon fibers for the effective removal of Cr(VI) in aqueous solution

Rongrong Zhang, Daohao Li, Jin Sun, Yuqian Cui, Yuanyuan Sun

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 4, doi: 10.1007/s11783-020-1247-8

Abstract: Abstract • FeS/carbon fibers were in situ synthesized with Fe-carrageenan hydrogel fiber. • The doubleTherefore, this study investigates in situ synthesized FeS/carbon fibers with an Fe-carrageenan biomass

Keywords： Carrageenan     FeS     Double-helix structure     Hexavalent chromium    

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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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Phase problems in optical imaging Review

Guo-hai SITU, Hai-chao WANG

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 9,   Pages 1277-1287 doi: 10.1631/FITEE.1700298

Abstract: Because the phase contains more information about the fieldcompared to the amplitude, measurement of the phase is encounteredin many branches of modern science and engineering. Direct measurementof the phase is difficult in the visible regime of the electromagneticwave. One must employ computational techniques to calculate the phasefrom the captured intensity. In this paper, we provide a review ofour recent work on iterative phase retrieval techniques and theirapplications in optical imaging.

Keywords： Phase retrieval     Phase imaging     Computational imaging     Gerchberg-Saxton algorithm     Optical encryption     Computer-generated hologram    

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In situ enhanced bioremediation of dichlorvos by a phyllosphere

Jiying NING, Gang GANG, Zhihui BAI, Qing HU, Hongyan QI, Anzhou MA, Xuliang ZHUAN, Guoqiang ZHUANG

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 2,   Pages 231-237 doi: 10.1007/s11783-011-0316-4

Abstract: A bacterium capable of degrading dichlorvos was isolated from the rape phyllosphere and designated YD4. The strain was identified as sp., based on its phenotypic features and 16S rRNA gene sequence. Strain YD4 was able to utilize dichlorvos as the sole source of phosphorus. enhanced bioremediation of dichlorvos by YD4 was hereafter studied. Chlorpyrifos and phoxim could also be degraded by this strain as the sole phosphorus source. A higher degradation rate of dichlorvos was observed after spraying YD4 onto the surface of rape leaves when compared to the sterilized-YD4 and water-treated samples. The results indicated that pesticide-degrading epiphytic bacterium could become a new way for phyllosphere bioremediation where the hostile niche is unsuitable for other pesticide-degrading bacteria isolated from soil and water.

Keywords： enhanced bioremediation     organophosphorus pesticides     phyllosphere     Flavobacterium sp.    

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Investigate of in situ sludge reduction in sequencing batch biofilm reactor: Performances, mechanisms

Yonglei Wang, Baozhen Liu, Kefeng Zhang, Yongjian Liu, Xuexin Xu, Junqi Jia

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 5, doi: 10.1007/s11783-018-1077-0

Abstract: listitem>

Microbial metabolism uncoupling, sludge decay is the main mechanism to promote in situ

Keywords： In situ sludge reduction     Biofilm     Composite floating spherical carriers     Microbial community     SBBR    

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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: Under the same reduction conditions (300 °C in H2), the catalytic activity of the non-in-situ reduced Ru/C-n catalyst was higher than that of the in-situ reduced Ru/C-y catalyst.Therefore, an in-situ H2 reduction and moderate oxidation method was developed to increaseThe developed in-situ H2 reduction and moderate oxidation method eliminated the stepof the non-in-situ reduction of catalyst outside the trickle bed reactor.

Keywords： Ru/C catalyst     in-situ H2 reduction and moderate oxidation     in-situ reduction     non-in-situ reduction     hydrogenation of 3     5-dimethylpyridine    

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Title Author Date Type Operation

Development of lunar regolith composite and structure via laser-assisted sintering

Journal Article

Design and In Situ Additive Manufacturing of Multifunctional Structures

Yan Zhang, Guangyu Zhang, Jing Qiao, Longqiu Li

Journal Article

Development and application of ex-situ presulfurization technology for hydrotreating catalysts in China

Yulan GAO, Xiangchen FANG, Zhenmin CHENG

Journal Article

Development of lunar regolith-based composite for - 3D printing via high-pressure extrusion system

Journal Article

Polyolefin-nanocomposites with special properties by in-situ polymerization

Walter Kaminsky

Journal Article

A New Method for Inferencing and Representing a Workpiece Residual Stress Field Using Monitored Deformation Force Data

Zhiwei Zhao,Changqing Liu,Yingguang Li,James Gao

Journal Article

Propagation characteristics of transient waves in low-strain integrity testing on cast-in-situ concrete

Hanlong LIU, Xuanming DING

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

In situ-based assessment of soil liquefaction potential–Case study of an earth dam in Tunisia

Ikram GUETTAYA,Mohamed Ridha EL OUNI

Journal Article

In situ synthesis of FeS/Carbon fibers for the effective removal of Cr(VI) in aqueous solution

Rongrong Zhang, Daohao Li, Jin Sun, Yuqian Cui, Yuanyuan Sun

Journal Article

In-situ condition monitoring of reinforced concrete structures

Sanjeev Kumar VERMA,Sudhir Singh BHADAURIA,Saleem AKHTAR

Journal Article

Phase problems in optical imaging

Guo-hai SITU, Hai-chao WANG

Journal Article

In situ enhanced bioremediation of dichlorvos by a phyllosphere

Jiying NING, Gang GANG, Zhihui BAI, Qing HU, Hongyan QI, Anzhou MA, Xuliang ZHUAN, Guoqiang ZHUANG

Journal Article

Investigate of in situ sludge reduction in sequencing batch biofilm reactor: Performances, mechanisms

Yonglei Wang, Baozhen Liu, Kefeng Zhang, Yongjian Liu, Xuexin Xu, Junqi Jia

Journal Article

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

Journal Article