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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: Density variation during the injection molding process directly reflects the state of plastic melt andTherefore, in-situ density measurement is of great interest and has significant application valueThis study is the first to propose an in-situ density measurement method using ultrasonic technologyExperiments with different process conditions are conducted, including different melt temperature, injection

Keywords： ultrasonic measurement     melt density     in-situ measurement     injection molding    

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Utilizing melt crystallization fundamentals in the development of a new tabletting technology

Ahmed ABOUZEID,Sandra PETERSEN,Joachim ULRICH

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 3,   Pages 346-352 doi: 10.1007/s11705-014-1443-9

Abstract: Increasing production effeciency and lowering costs are some of the many advantages melt crystallizationMelt crystallization is a purification (separation) process.

Keywords： phase separation     melt crystallization     tablets     process optimization    

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Permeability analysis and seepage process study on crystal layer in melt crystallization with fractal

Xiaobin JIANG, Baohong HOU, Yongli WANG, Jingkang WANG

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 4,   Pages 435-441 doi: 10.1007/s11705-011-1139-3

Abstract: In this paper a porous media seepage model was applied to analyze the permeability and study the seepage process of crystal pillar formed in the preparation of electronic grade phosphoric acid (EGPA). By inspecting the seeping process, the structure parameter of crystal pillar could be obtained. Two basic ideal models (perfectly separated model and perfectly connected model) were presented and a characterized factor was introduced to modify the model. A good simulation result was obtained which met the experiment result well. The relationship between and permeability were also discussed. The characterized factor showed potential application on optimizing process.

Keywords： melt crystallization     porous media     fractal     permeability     hyperpure material     simulation    

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Simulation of cottonseed cake melt flow in metering zone of a single screw extruder

Hong HE, Jianguo ZHOU,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 3,   Pages 263-269 doi: 10.1007/s11705-009-0276-4

Abstract: relatively new due to the complex physicochemical transformations of raw materials, although plastics melt

Keywords： quasi-three-dimensional     rheological     viscosity     processing     influence    

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Kinetic roughening transition and missing regime transition of melt crystallized polybutene-1 tetragonal

Motoi YAMASHITA

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 2,   Pages 125-134 doi: 10.1007/s11705-009-0001-3

Abstract: and lateral growth rate of polybutene-1 ( -PB1) have been investigated for crystallization from the melt

Keywords： isotactic polybutene-1     tetragonal phase (form Ⅱ)     melt crystallization     growth rate     kinetic    

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Lamellar thickness transition of melt-crystallized polybuten-1 tetragonal phase: configurational change

Motoi YAMASHITA

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 1,   Pages 26-32 doi: 10.1007/s11705-009-0002-2

Abstract: crystal thickness of isotactic polybutene-1 ( -PB1) have been investigated for crystallization in the meltof crystallization temperature from 40°C to 90°C by small angle X-ray scattering experiments and density

Keywords： isotactic polybutene-1     tetragonal phase     crystal thickness     melt growth     chain folding     small angle X-ray    

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In-Vessel Melt Retention of Pressurized Water Reactors: Historical Review and Future Research Needs Review

Weimin Ma, Yidan Yuan, Bal Raj Sehgal

Engineering 2016, Volume 2, Issue 1,   Pages 103-111 doi: 10.1016/J.ENG.2016.01.019

Abstract:

A historical review of in-vessel melt retention (IVR) is given, which is a severe accident mitigationfrom the back-fitting of the Generation II reactor Loviisa VVER-440 in order to cope with the core-meltThe most influential phenomena on the IVR strategy are in-vessel core melt evolution, the heat fluxesFor in-vessel melt evolution, past focus has only been placed on the melt pool convection in the lowerpool formation, may all contribute to the final state of the melt pool and its thermal loads on the

Keywords： Pressurized water reactor     Severe accident     In-vessel melt retention     Debris formation     Debris remelting     Melt pool formation     Melt pool thermal-hydraulics     Critical heat flux    

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Premature melt solidification during mold filling and its influence on the as-cast structure

M. WU, M. AHMADEIN, A. LUDWIG

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 1,   Pages 53-65 doi: 10.1007/s11465-017-0437-y

Abstract:

Premature melt solidification is the solidification of a melt during mold filling.These crystals can also be remelted by mixing with the superheated melt.As the modeling results, the evolutionary trends of the number density of the crystals and the volumefraction of the solid crystals in the melt during pouring are presented.The calculated number density of the crystals and the volume fraction of the solid crystals in the melt

Keywords： premature solidification     mold filling     as-cast structure     modeling    

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Dispersion of a novel phenolic rigid organic filler in isotactic polypropylene matrix by solution-mixing and melt-mixing

Dongming QI, Xiaoli ZHAO, Zhijie CHEN, Peng HUANG, Jun CAO

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 4,   Pages 395-402 doi: 10.1007/s11705-012-1269-2

Abstract: high melting point was dispersed in an isotactic polypropylene (iPP) matrix by solution-mixing and/or melt-mixing

Keywords： dispersion     rigid organic filler     isotactic polypropylene     mixing    

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Effect of current density on groundwater arsenite removal performance using air cathode electrocoagulation

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1399-1

Abstract:

• With the same charge, current density had little effect on As(III)

Keywords： Electrocoagulation     Air cathode     Arsenic     Current density     Energy consumption    

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Effects of exercise therapy on bone mineral density in early postmenopausal women: a controlled trial

Shilin DENG MD ,

Frontiers of Medicine 2009, Volume 3, Issue 3,   Pages 323-329 doi: 10.1007/s11684-009-0061-2

Abstract: effect of a well-designed combined aerobic, resistance, and extension exercise program on bone mineral density

Keywords： early postmenopausal women     bone mineral density     exercise     effects    

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Relationship of adrenomedullin expression and microvessel density and prognosis in smooth muscle tumor

JIANG Yuan, TIAN Xuehong, YUAN Jie, JIN Yuemei, TAN Yusong

Frontiers of Medicine 2007, Volume 1, Issue 4,   Pages 398-400 doi: 10.1007/s11684-007-0077-4

Abstract: was to investigate the relationship between the expression of adrenomedullin (ADM) and microvessel density

Keywords： anticarcinogenic     microvessel density     malignant potency     muscle     uterine leiomyosarcoma    

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Single-electromagnet levitation for density measurement and defect detection

Yuhan JIA, Peng ZHAO, Jun XIE, Xuechun ZHANG, Hongwei ZHOU, Jianzhong FU

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 1,   Pages 186-195 doi: 10.1007/s11465-020-0608-0

Abstract: The single-electromagnet levitation device has a large measuring range and can realize accurate densitymeasurement and defect detection of high-density materials, such as glass and aluminum alloy.

Keywords： single-electromagnet     electromagnetic levitation     density measurement     defect detection    

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Application of gamma-ray attenuation technology in density measurement of a slurry reactor

Jian XU, Weisheng WEI, Kai ZHANG

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 486-490 doi: 10.1007/s11705-010-0509-6

Abstract: Axial density profile of the gas-liquid-solid mixture in a slurry bubble column was measured by gamma-rayThe results showed that the density in the column decreases with the increase of column height, which

Keywords： slurry reactor     axial density distribution     gamma-ray attenuation technology    

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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: High-pressure melt extrusion for lunar regolith composite can increase the effective loading fraction

Keywords： in-situ resource utilization     melt extrusion molding     lunar regolith-based composites    

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Title Author Date Type Operation

density measurement for plastic injection molding via ultrasonic technology

Journal Article

Utilizing melt crystallization fundamentals in the development of a new tabletting technology

Ahmed ABOUZEID,Sandra PETERSEN,Joachim ULRICH

Journal Article

Permeability analysis and seepage process study on crystal layer in melt crystallization with fractal

Xiaobin JIANG, Baohong HOU, Yongli WANG, Jingkang WANG

Journal Article

Simulation of cottonseed cake melt flow in metering zone of a single screw extruder

Hong HE, Jianguo ZHOU,

Journal Article

Kinetic roughening transition and missing regime transition of melt crystallized polybutene-1 tetragonal

Motoi YAMASHITA

Journal Article

Lamellar thickness transition of melt-crystallized polybuten-1 tetragonal phase: configurational change

Motoi YAMASHITA

Journal Article

In-Vessel Melt Retention of Pressurized Water Reactors: Historical Review and Future Research Needs

Weimin Ma, Yidan Yuan, Bal Raj Sehgal

Journal Article

Premature melt solidification during mold filling and its influence on the as-cast structure

M. WU, M. AHMADEIN, A. LUDWIG

Journal Article

Dispersion of a novel phenolic rigid organic filler in isotactic polypropylene matrix by solution-mixing and melt-mixing

Dongming QI, Xiaoli ZHAO, Zhijie CHEN, Peng HUANG, Jun CAO

Journal Article

Effect of current density on groundwater arsenite removal performance using air cathode electrocoagulation

Journal Article

Effects of exercise therapy on bone mineral density in early postmenopausal women: a controlled trial

Shilin DENG MD ,

Journal Article

Relationship of adrenomedullin expression and microvessel density and prognosis in smooth muscle tumor

JIANG Yuan, TIAN Xuehong, YUAN Jie, JIN Yuemei, TAN Yusong

Journal Article

Single-electromagnet levitation for density measurement and defect detection

Yuhan JIA, Peng ZHAO, Jun XIE, Xuechun ZHANG, Hongwei ZHOU, Jianzhong FU

Journal Article

Application of gamma-ray attenuation technology in density measurement of a slurry reactor

Jian XU, Weisheng WEI, Kai ZHANG

Journal Article

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

Journal Article