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Effects of sucrose crystallization and moisture migration on the structural changes of a coated intermediate

Tiancheng LI, Peng ZHOU, Theodore P. LABUZA

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 4,   Pages 346-350 doi: 10.1007/s11705-009-0256-8

Abstract: The formation of both a hard inner-layer and agglomerated particles in the inner matrix was observedboth moisture loss and sucrose crystallization were mainly responsible for the formation of the crusty intermediateinner layer, and the agglomerated matrix particles were the result of sucrose crystallization.

Keywords： inner-layer     agglomerated     IMF     moisture migration     crystallization    

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Patterned wafer bonding using ultraviolet adhesive

Rui ZHUO, Guanglan LIAO, Wenliang LIU, Lei NIE, Tielin SHI

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 2,   Pages 214-218 doi: 10.1007/s11465-011-0130-5

Abstract:

The process of patterned wafer bonding using ultraviolet (UV) adhesive as the intermediate layer wasBy presetting the UV adhesive guide-layer, controlling the thickness of the intermediate layer (1&ndashμm), appropriate pre-drying temperature (60°C), and predrying time (6 min), we obtained the intermediatelayer bonding of patterned quartz/quartz.

Keywords： ultraviolet (UV) adhesive     intermediate layer     patterned wafer bonding    

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Review of the LNG intermediate fluid vaporizer and its heat transfer characteristics

Frontiers in Energy 2022, Volume 16, Issue 3,   Pages 429-444 doi: 10.1007/s11708-021-0747-y

Abstract: The intermediate fluid vaporizer (IFV), different from other liquefied natural gas (LNG) vaporizers,including the structural innovation design, the thermal calculation model, and the selection of different intermediatetransfer behaviors of the supercritical LNG inside the tubes and the condensation heat transfer of the intermediatethermal calculations of the IFV, the selections of the existing heat transfer correlations about the intermediate

Keywords： intermediate fluid vaporizer     design of structure and intermediate fluid     condensation heat transfer    

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Simulation of performance of intermediate fluid vaporizer under wide operation conditions

Bojie WANG, Wen WANG, Chao QI, Yiwu KUANG, Jiawei XU

Frontiers in Energy 2020, Volume 14, Issue 3,   Pages 452-462 doi: 10.1007/s11708-020-0681-4

Abstract: The intermediate fluid vaporizer (IFV) is a typical vaporizer of liquefied natural gas (LNG), which inLNG is heated by seawater and the intermediate fluid in these heat exchangers.

Keywords： liquefied natural gas     intermediate fluid vapo-rizer     heat transfer performance     numerical simulation     extreme    

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A new approach for scheduling of multipurpose batch processes with unlimited intermediate storage policy

Nikolaos Rakovitis, Nan Zhang, Jie Li, Liping Zhang

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 4,   Pages 784-802 doi: 10.1007/s11705-019-1858-4

Abstract: The increasing demand of goods, the high competitiveness in the global marketplace as well as the need to minimize the ecological footprint lead multipurpose batch process industries to seek ways to maximize their productivity with a simultaneous reduction of raw materials and utility consumption and efficient use of processing units. Optimal scheduling of their processes can lead facilities towards this direction. Although a great number of mathematical models have been developed for such scheduling, they may still lead to large model sizes and computational time. In this work, we develop two novel mathematical models using the unit-specific event-based modelling approach in which consumption and production tasks related to the same states are allowed to take place at the same event points. The computational results demonstrate that both proposed mathematical models reduce the number of event points required. The proposed unit-specific event-based model is the most efficient since it both requires a smaller number of event points and significantly less computational time in most cases especially for those examples which are computationally expensive from existing models.

Keywords： scheduling     multipurpose batch processes     simultaneous transfer     mixed-integer linear programming    

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Structural behavior of intermediate length cold-formed steel rack columns with C-stitches

M. ANBARASU, Mahmud ASHRAF

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 4,   Pages 937-949 doi: 10.1007/s11709-019-0528-4

Abstract: This article presents an experimental and numerical investigation on the strength and performance of intermediate

Keywords： cold-formed steel columns     C-stitches     intermediate length columns     distortional buckling    

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Efficiency measurement for mixed two-stage nonhomogeneous network processes with shared extra intermediate

Qingxian AN, Xuyang LIU, Shijie DING

Frontiers of Engineering Management 2020, Volume 7, Issue 2,   Pages 259-274 doi: 10.1007/s42524-019-0080-x

Abstract: This method aims to reasonably define the allocation portion of shared extra intermediate resources among

Keywords： shared resource allocation     mixed two-stage system     data envelopment analysis     efficiency    

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Chemically reactive solute transfer in a boundary layer slip flow along a stretching cylinder

Swati Mukhopadhyay

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3,   Pages 385-391 doi: 10.1007/s11705-011-1101-4

Abstract: distribution of a solute undergoing a first order chemical reaction in an axisymmetric laminar boundary layer

Keywords： boundary layer     stretching cylinder     partial slip     mass transfer     similarity solution    

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Modeling nanostructured catalyst layer in PEMFC and catalyst utilization

Jiejing ZHANG, Pengzhen CAO, Li XU, Yuxin WANG

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3,   Pages 297-302 doi: 10.1007/s11705-011-1201-1

Abstract: A lattice model of the nanoscaled catalyst layer structure in proton exchange membrane fuel cells (PEMFCThe model takes into account all the four components in a typical PEMFC catalyst layer: platinum (Pt)Catalyst utilization in the modeled catalyst layer was calculated by counting up the number of facets

Keywords： catalyst layer     PEM fuel cell     lattice model     Monte Carlo method     catalyst utilization    

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Crystallographic orientation effect on cutting-based single atomic layer removal

Wenkun XIE, Fengzhou FANG

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 4,   Pages 631-644 doi: 10.1007/s11465-020-0599-x

Abstract: The mechanism of a single atomic layer removal in cutting is the key basic theoretical foundation forIn the present study, the crystallographic orientation effect on the cutting-based single atomic layerWhen undeformed chip thickness is in the atomic scale, two kinds of single atomic layer removal mechanismsexist in cutting-based single atomic layer removal, namely, dislocation motion and extrusion, due to

Keywords： ACSM     single atomic layer removal mechanism     crystallographic orientation effect     mechanical cutting     Manufacturing    

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A pooling strategy of a PCR-based assay to detect Angiostrongylus cantonensis in snail intermediate host

Fu-Rong WEI MS, Shan LV PhD, He-Xiang LIU, Ling HU, Yi ZHANG MS,

Frontiers of Medicine 2010, Volume 4, Issue 2,   Pages 204-207 doi: 10.1007/s11684-010-0043-4

Abstract: Pooling field specimens could reduce the number of assay and thus increase the efficiency in detecting and screening pathogen infections by polymerase chain reaction (PCR)-based assay. We investigated a pooling strategy in diagnosis of in Two settings of specimens were prepared, divided into portions and detected by multiplex PCR. Specimens A was 0.4490 g positive lung tissue of 28 larval nodes from four snails mixed with 1.310€g negative lung tissue from six snails and divided into 32 portions. Specimens B was 0.5448 g positive lung tissue with 26 larval nodes from two snails mixed with 1.092 g negative lung tissue from seven snails and divided into 48 portions. Repeated sampling was performed and sample size-accumulated positive rate curves were drawn. According to the sample size-accumulated positive rate curves, the appropriate sample size of the two specimens were 18 and 15, respectively, which is 0.36–0.58 to the total sample size. These test characteristics and the relevant factors to the sample size would need to be determined in much larger studies and more appropriately in field populations. The result indicates that the number of larval node is not the most important, nor the only factor to the sample size. It also implies the feasibility to detect in by pooling strategies.

Keywords： Angiostrongylus cantonensis     Pomacea canaliculata     multiplex polymerase chain reaction     diagnosis     pooling    

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Effect of a less permeable stronger soil layer on the stability of non-homogeneous unsaturated slopes

Nabarun DEY, Aniruddha SENGUPTA

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1462-1475 doi: 10.1007/s11709-020-0674-8

Abstract: numerical analyses on a 55° inclined unsaturated sandy slope with less permeable, stronger silty sand layerIt is observed that a less permeable, stronger silty sand layer in an otherwise homogeneous sandy soilThe water content of the slope just above the stronger layer increases significantly, compared to elsewheresoil slope, whereas for a non-homogeneous slope, they initiate just above the less pervious, stronger layerIt decreases significantly if this less permeable, stronger soil layer is located near the toe of the

Keywords： non-homogeneous slope     stronger soil layer     factor of safety     centrifuge model test     unsaturated soils    

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Numerical investigation of the effectiveness of effusion cooling for plane multi-layer systems with different

Dieter BOHN, Robert KREWINKEL

Frontiers in Energy 2009, Volume 3, Issue 4,   Pages 406-413 doi: 10.1007/s11708-009-0041-x

Abstract: Within Collaborative Research Center (SFB) 561 “Thermally Highly Loaded, Porous and Cooled Multi-LayerSystems for Combined Cycle Power Plants” at RWTH Aachen University, an effusion-cooled multi-layerWithin the SFB, two different multi-layer systems, one consisting of substrate made of CMSX-4 (a single-crystal

Keywords： conjugate calculation     effectiveness of effusion cooling     multi-layer systems     CMSX-4     NiAl-FG75    

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Intermediate HSS bracing members during seismic excitations: modeling, design, and behavior

Madhar HADDAD

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 1,   Pages 148-162 doi: 10.1007/s11709-016-0375-5

Abstract: Concentric hollow structural section (HSS) bracing members are used frequently in steel framed structural systems to resist seismic excitations. Finite element modeling of the HSS braces that utilizes the true stress-strain curves produces hysteresis responses that are reasonable matches to the experimental response. True stress-strain curves are obtained from coupon tests or stub-column tests while utilizing an exponential function or strain hardening rule with a trial and error procedure to obtain the hysteresis behavior. In the current study, the true stress-strain curves are directly obtained from tests on stub-columns extracted from the full scale HSS bracing members away from the mid-length plastic hinge after cyclic testing. Two experimental tests (Shaback 2001 and Haddad 2004) were used to validate the model. Results indicate that the stress-strain curves for these braces are not unique. A refined damage accumulation model for ultra-low-cycle fatigue is implemented to predict fracture of the brace tests. The refined damage model is then used in the finite element modeling to predict fracture of braces in a chevron braced frame of an eight-storey building subjected to selected ground motions analyzed using OpenSees program. Results indicate that all braces could sustain the selected earthquake records without fracture.

Keywords： HSS     FEM     stress-strain curves     damage model    

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The influence of manufacturing parameters and adding support layer on the properties of Zirfon

Li XU,Yue YU,Wei LI,Yan YOU,Wei XU,Shaoxing ZHANG

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 3,   Pages 295-305 doi: 10.1007/s11705-014-1433-y

Abstract: A modified composite separator with a support layer was prepared to enhance the tensile strength of separatorBy adding support layer, the tensile strength of the separator increases from 1.85 MPa to 13.66 MPa.

Keywords： separator     alkaline water electrolysis     manufacturing parameters     support layer    

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Title Author Date Type Operation

Effects of sucrose crystallization and moisture migration on the structural changes of a coated intermediate

Tiancheng LI, Peng ZHOU, Theodore P. LABUZA

Journal Article

Patterned wafer bonding using ultraviolet adhesive

Rui ZHUO, Guanglan LIAO, Wenliang LIU, Lei NIE, Tielin SHI

Journal Article

Review of the LNG intermediate fluid vaporizer and its heat transfer characteristics

Journal Article

Simulation of performance of intermediate fluid vaporizer under wide operation conditions

Bojie WANG, Wen WANG, Chao QI, Yiwu KUANG, Jiawei XU

Journal Article

A new approach for scheduling of multipurpose batch processes with unlimited intermediate storage policy

Nikolaos Rakovitis, Nan Zhang, Jie Li, Liping Zhang

Journal Article

Structural behavior of intermediate length cold-formed steel rack columns with C-stitches

M. ANBARASU, Mahmud ASHRAF

Journal Article

Efficiency measurement for mixed two-stage nonhomogeneous network processes with shared extra intermediate

Qingxian AN, Xuyang LIU, Shijie DING

Journal Article

Chemically reactive solute transfer in a boundary layer slip flow along a stretching cylinder

Swati Mukhopadhyay

Journal Article

Modeling nanostructured catalyst layer in PEMFC and catalyst utilization

Jiejing ZHANG, Pengzhen CAO, Li XU, Yuxin WANG

Journal Article

Crystallographic orientation effect on cutting-based single atomic layer removal

Wenkun XIE, Fengzhou FANG

Journal Article

A pooling strategy of a PCR-based assay to detect Angiostrongylus cantonensis in snail intermediate host

Fu-Rong WEI MS, Shan LV PhD, He-Xiang LIU, Ling HU, Yi ZHANG MS,

Journal Article

Effect of a less permeable stronger soil layer on the stability of non-homogeneous unsaturated slopes

Nabarun DEY, Aniruddha SENGUPTA

Journal Article

Numerical investigation of the effectiveness of effusion cooling for plane multi-layer systems with different

Dieter BOHN, Robert KREWINKEL

Journal Article

Intermediate HSS bracing members during seismic excitations: modeling, design, and behavior

Madhar HADDAD

Journal Article

The influence of manufacturing parameters and adding support layer on the properties of Zirfon

Li XU,Yue YU,Wei LI,Yan YOU,Wei XU,Shaoxing ZHANG

Journal Article