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diffusion coefficient and microstructure parameters in concrete: A comparative analysis using NMR, MIP, and X-CT

Yurong ZHANG, Shengxuan XU, Yanhong GAO, Jie GUO, Yinghui CAO, Junzhi ZHANG

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1509-1519 doi: 10.1007/s11709-020-0681-9

Abstract: microstructure characteristics via nuclear magnetic resonance (NMR), mercury intrusion porosimetry (MIP), and X-raycomputed tomography (X-CT).X-CT measurements obtained a relatively small porosity; however, this likely reflects the distributionIn addition, when analyzing pores with sizes>50 µm, X-CT obtains the maximal contributive porosity, followed

Keywords： permeability     microstructure     NMR     MIP     X-CT    

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A study on quality evaluation for bituminous mixture using X-ray CT

Satoshi TANIGUCHI, Keiichiro OGAWA, Jun OTANI, Itaru NISHIZAKI

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 2,   Pages 89-101 doi: 10.1007/s11709-013-0197-7

Abstract: objective of this paper is to propose a new quality evaluation method for asphalt concrete mixture using X-rayCT scanner.To achieve this aim, asphalt mixtures should be subjected to the X-ray CT scanning and its characteristicscoarse-graded and porous asphalt mixtures were made; 3) materials and mixtures were subjected to the X-rayCT scanning; 4) frequency of CT-value, threshold value, average slice CT-value, average segment CT-value

Keywords： asphalt concrete mixture     aggregate     bitumen     bitumen content     quality evaluation     X-ray CT    

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analysis of soil failure on defective underground pipe due to cyclic water supply and drainage using X-rayCT

Toshifumi MUKUNOKI, Naoko KUMANO, Jun OTANI

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 2,   Pages 85-100 doi: 10.1007/s11709-012-0159-5

Abstract: The mechanism of cavity generation in the model ground was observed using an X-ray Computed Tomography(CT) scanner.

Keywords： relative density     grain property     model test     road subsidence     underground pipe     image processing     X-ray CT    

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Efficient scheme of low-dose CT reconstruction using TV minimization with an adaptive stopping strategy Article

Yong DING, Tuo HU

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 12,   Pages 2001-2008 doi: 10.1631/FITEE.1700287

Abstract: Recently, low-dose computed tomography (CT) has become highly desirable because of the growing concernFor low-dose CT imaging, it is a significant challenge to guarantee image quality while reducing radiationTo promote low-dose CT imaging, we propose a promising reconstruction scheme which combines total-variationin terms of image quality and computational efficiency, which validates its potential for low-dose CT

Keywords： Low-dose computed tomography (CT)     CT imaging     Total variation     Sparse dictionary learning    

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A miniature triaxial apparatus for investigating the micromechanics of granular soils with

Zhuang CHENG, Jianfeng WANG, Matthew Richard COOP, Guanlin YE

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 2,   Pages 357-373 doi: 10.1007/s11709-019-0599-2

Abstract: In conjunction with an X-ray micro-tomography (termed as X-ray μCT hereafter) facility and advanced imageThe developed triaxial apparatus, in its combined use of X-ray μCT imaging techniques, is a powerful

Keywords： triaxial apparatus     X-ray μCT     in situ test     micro-scale mechanical behavior     granular soils    

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Swelling and Shrinkage with Injecting CO2 and N2 Using in-situ Synchrotron X-ray Article

Guanglei Zhang, P.G. Ranjith, Herbert E. Huppert

Engineering 2022, Volume 18, Issue 11,   Pages 88-95 doi: 10.1016/j.eng.2022.03.010

Abstract: Here, using in situ synchrotron X-ray microtomography, we provide the first observational evidence that

Keywords： CCS     CO2     -ECBM     Carbon neutrality     X-ray imaging     Coal permeability    

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Simultaneous acquisition of CT angiography and whole brain CT perfusion images by using multiphase dynamic

Weiwei CHEN, Jianpin QI, Wenzhen ZHU, Wenhua HUANG, Jinmei SONG

Frontiers of Medicine 2009, Volume 3, Issue 2,   Pages 230-235 doi: 10.1007/s11684-009-0023-8

Abstract: We implemented a new protocol — multiphase dynamic helical scan to acquire CT angiography (CTA) and wholebrain CT perfusion (CTP) images simultaneously with single scan on 16 multidetector CT (MDCT).Each group underwent CT scan by using the new protocol, traditional CTA and CTP protocol, respectivelyThe image quality of CTA, the CTP parameter values and the X-ray doses were measured and compared betweenThe volume CT dose index (CTDIvol) and dose length product (DLP) of our protocol were lower than the

Keywords： computed tomography angiography     computed tomography perfusion    

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Low-dose CT for lung cancer screening: opportunities and challenges

Hongbing Shen

Frontiers of Medicine 2018, Volume 12, Issue 1,   Pages 116-121 doi: 10.1007/s11684-017-0600-1

Abstract:

Lung cancer is among the most frequently diagnosed cancers worldwide and the leading cause of cancer death in both males and females. Screening for lung cancer coupled with earlier intervention has long been studied as an approach to mortality reduction. However, minimal progress was achieved until recently, when low-dose spiral computed tomography (LDCT) screening demonstrated a 20% reduction in mortality from lung cancer in a randomized controlled trial (RCT), the National Lung Screening Trial, from the United States. On the basis of this finding, LDCT has been recommended for lung cancer screening in high-risk populations by several clinical guidelines. However, results from the following independent RCTs in Europe failed to show consistent conclusions. In addition, intractable problems gradually emerged with the progress of LDCT screening. This paper summarizes and discusses the main observations and challenges of LDCT screening for lung cancer. Before spreading implementation of LDCT screening, challenges, including high false-positive rates, overdiagnosis, enormous costs, and radiation risk, must be addressed. Complementary biomarkers and technical improvement are expected in the field of lung cancer screening in the near future.

Keywords： lung cancer     low-dose computerized tomography     early detection     opportunities     challenges    

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The dynamic correction of collimation errors of CT slicing pictures

LIU Ya-xiong, Sekou Sing-are, LI Di-chen, LU Bing-heng

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 2,   Pages 168-172 doi: 10.1007/s11465-006-0016-0

Abstract: To eliminate the motion artifacts of CT images caused by patient motions and other related errors, twoconfirm that the correction method with any of the correctors can improve the accuracy and reliability of CT
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High-Throughput Powder Diffraction Using White X-Ray Beam and a Simulated Energy-Dispersive Array Detector Article

Xiaoping Wang, Weiwei Dong, Peng Zhang, Haoqi Tang, Lanting Zhang, Tieying Yang, Peng Liu, Hong Wang, X.

Engineering 2022, Volume 10, Issue 3,   Pages 81-88 doi: 10.1016/j.eng.2021.05.023

Abstract:

High-throughput powder X-ray diffraction (XRD) with white X-ray beam and an energy-dispersive detectorThe X-ray fluorescence (XRF) signal is collected simultaneously.In comparison with ARXRD, the diffraction signal generated by a white X-ray beam over monochromic light

Keywords： High-throughput experiment     White beam X-ray diffraction     Energy-dispersive array detector     Energy-dispersiveX-ray diffraction     Angle-resolved X-ray diffraction    

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The Generating Lock P<G，X，X'>and Its Central Encrypting System

Shi Kaiquan,Chen Zexiong

Strategic Study of CAE 2000, Volume 2, Issue 2,   Pages 41-46

Abstract:

The conception of the generating lock  P <G ,X, X´> and the centralencrypting system composed of P<G ,X, X´>with data generating technology/em>A={x1, x2, …，xn}, XB ={x1,x2,…xm}complete their secret communication with P < G, X, X´>.

Keywords： the generating lock     the central encrypting system     multi-tooth encrypting-decrypting algorithm     P    X     X    

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A mini review: Shape memory polymers for biomedical applications

Kaojin Wang, Satu Strandman, X. X. Zhu

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 2,   Pages 143-153 doi: 10.1007/s11705-017-1632-4

Abstract: Shape memory polymers (SMPs) are smart materials that can change their shape in a pre-defined manner under a stimulus. The shape memory functionality has gained considerable interest for biomedical applications, which require materials that are biocompatible and sometimes biodegradable. There is a need for SMPs that are prepared from renewable sources to be used as substitutes for conventional SMPs. In this paper, advances in SMPs based on synthetic monomers and bio-compounds are discussed. Materials designed for biomedical applications are highlighted.

Keywords： shape memory polymer     biodegradability     biocompatibility     biomedical application     bile acids    

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Adsorption of fluoride on clay minerals and their mechanisms using X-ray photoelectron spectroscopy

Junyi DU, Daishe WU, Huayun XIAO, Ping LI

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 2,   Pages 212-226 doi: 10.1007/s11783-010-0255-5

Abstract: reaction times by probing their fluoride superficial layer binding energies and element compositions using X-ray

Keywords： clay mineral     fluoride (F)     adsorption mechanism     X-ray photoelectron spectroscopy (XPS)    

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Analyzing the characterization of pore structures and permeability of diesel contaminated clays under different aging conditions

Frontiers of Structural and Civil Engineering   Pages 1264-1280 doi: 10.1007/s11709-023-0921-x

Abstract: In this study, mercury intrusion porosimetry (MIP) and X-ray micro-computed tomography (XRμCT) were usedThe XRμCT analysis yielded consistent results; it showed that aging renders pores more spherical andThe combination of MIP and XRμCT provided a comprehensive and reliable characterization of the soil pore

Keywords： MIP     XRμCT     aging     diesel content     pore structure     permeability characteristics    

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Purification of ice structuring protein complexes from winter wheat using Triton X-114 phase partitioning

Huaneng XU, Haiying CHEN, Weining HUANG,

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 4,   Pages 383-385 doi: 10.1007/s11705-009-0249-7

Abstract: purification of ISP complexes from winter wheat was achieved using an aqueous two-phase system of Triton X-

Keywords： separation technique     thermal hysteresis     cold-acclimated     purification     X-114    

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Title Author Date Type Operation

diffusion coefficient and microstructure parameters in concrete: A comparative analysis using NMR, MIP, and X-CT

Yurong ZHANG, Shengxuan XU, Yanhong GAO, Jie GUO, Yinghui CAO, Junzhi ZHANG

Journal Article

A study on quality evaluation for bituminous mixture using X-ray CT

Satoshi TANIGUCHI, Keiichiro OGAWA, Jun OTANI, Itaru NISHIZAKI

Journal Article

analysis of soil failure on defective underground pipe due to cyclic water supply and drainage using X-rayCT

Toshifumi MUKUNOKI, Naoko KUMANO, Jun OTANI

Journal Article

Efficient scheme of low-dose CT reconstruction using TV minimization with an adaptive stopping strategy

Yong DING, Tuo HU

Journal Article

A miniature triaxial apparatus for investigating the micromechanics of granular soils with

Zhuang CHENG, Jianfeng WANG, Matthew Richard COOP, Guanlin YE

Journal Article

Swelling and Shrinkage with Injecting CO2 and N2 Using in-situ Synchrotron X-ray

Guanglei Zhang, P.G. Ranjith, Herbert E. Huppert

Journal Article

Simultaneous acquisition of CT angiography and whole brain CT perfusion images by using multiphase dynamic

Weiwei CHEN, Jianpin QI, Wenzhen ZHU, Wenhua HUANG, Jinmei SONG

Journal Article

Low-dose CT for lung cancer screening: opportunities and challenges

Hongbing Shen

Journal Article

The dynamic correction of collimation errors of CT slicing pictures

LIU Ya-xiong, Sekou Sing-are, LI Di-chen, LU Bing-heng

Journal Article

High-Throughput Powder Diffraction Using White X-Ray Beam and a Simulated Energy-Dispersive Array Detector

Xiaoping Wang, Weiwei Dong, Peng Zhang, Haoqi Tang, Lanting Zhang, Tieying Yang, Peng Liu, Hong Wang, X.

Journal Article

The Generating Lock P<G，X，X'>and Its Central Encrypting System

Shi Kaiquan,Chen Zexiong

Journal Article

A mini review: Shape memory polymers for biomedical applications

Kaojin Wang, Satu Strandman, X. X. Zhu

Journal Article

Adsorption of fluoride on clay minerals and their mechanisms using X-ray photoelectron spectroscopy

Junyi DU, Daishe WU, Huayun XIAO, Ping LI

Journal Article

Analyzing the characterization of pore structures and permeability of diesel contaminated clays under different aging conditions

Journal Article

Purification of ice structuring protein complexes from winter wheat using Triton X-114 phase partitioning

Huaneng XU, Haiying CHEN, Weining HUANG,

Journal Article