Search results for: S.H. Zhou

Items from 1 to 20 out of 67 results

article

Effect of silica fume and PVA fiber on the abrasion resistance and volume stability of concrete

L. Wang, S.H. Zhou, Y. Shi, S.W. Tang, more

Composites Part B: Engineering > 2017 > 130 > C > 28-37

The effects of silica fume, PVA fiber and their combinations on the mechanical properties, microstructure, abrasion resistance and volume stability of cement pastes and/or fly ash concrete were studied experimentally in this work. The results indicated that the compressive strength and tensile strength of concrete containing both silica fume and PVA fiber were obviously improved compared with the...

article

Expression pattern of dickkopf WNT signaling pathway inhibitor 3 in the malignant progression of oral submucous fibrosis

S.H. Zhou, Y. Zhu, M. Mashrah, X.Y. Zhang, more

International Journal of Oral and Maxillofacial Surgery > 2017 > 46 > S1 > 139

article

Magnetic BiMn-α phase synthesis prediction: First-principles calculation, thermodynamic modeling and nonequilibrium chemical partitioning

S.H. Zhou, C. Liu, Y.X. Yao, Y. Du, more

Computational Materials Science > 2016 > 120 > C > 117-126

BiMn-α is promising permanent magnet. Due to its peritectic formation feature, there is a synthetic challenge to produce single BiMn-α phase. The objective of this study is to assess driving force for crystalline phase pathways under far-from-equilibrium conditions. First-principles calculations with Hubbard U correction are performed to provide a robust description of the thermodynamic behavior....

chapter

Exploratory Studies On Secondary Organic Aerosol Formation In The Ozonolysis Of Alkyl Vinyl Ethers

Sh. Zhou, T. Zhu, I. Barnes *, I. Bejan, more

NATO Science for Peace and Security Series C: Environmental Security > Simulation and Assessment of Chemical Processes in a Multiphase Environment > 523-531

Since A Number Of Organic Solvents, E.G. Aromatics And Halocarbons, Have Been Shown Not Only To Have Adverse Health Effects, But Also To Undergo Complex Chemical Reactions In The Atmosphere, Which Lead To The Formation Of Environmentally Damaging Compounds, It Is Now Well Accepted That A Switch From Aromatic And Halocarbon Solvents To Oxygenated Compounds Is Inevitable Both In Terms Of Reducing Toxicity...

article

Thermodynamic database for the Co-Pr system

S.H. Zhou, M.J. Kramer, F.Q. Meng, R.W. McCallum, more

Data in Brief > 2016 > 6 > C > 492-494

In this article, we describe data on (1) compositions for both as-cast and heat treated specimens were summarized in Table 1; (2) the determined enthalpy of mixing of liquid phase is listed in Table 2; (3) thermodynamic database of the Co-Pr system in TDB format for the research articled entitle Chemical partitioning for the Co-Pr system: First-principles, experiments and energetic calculations to...

article

Chemical partitioning for the Co–Pr system: First-principles, experiments and energetic calculations to investigate the hard magnetic phase

S.H. Zhou, M.J. Kramer, F.Q. Meng, R.W. McCallum, more

Materials & Design > 2016 > 90 > C > 991-1004

Co₅Pr-D2_d is promising permanent magnet. Due to its peritectic formation feature, there is a synthetic challenge to produce single Co₅Pr-D2_d phase. The object of this study is to assess thermodynamic pathways for crystalline phases under far-from-equilibrium conditions by combining first-principles calculations and experimental measurements into a robust description of the thermodynamic behavior....

article

[O69] Energetic investigation of metastable Al60Sm11-ω, Al5Sm-π, Al4Sm-γ,Al11Sm3-α and Al4Sm-β phase formation

S.H. Zhou, M.J. Kramer, R.T. Ott, R.E. Napolitano

Calphad > 2015 > 51 > C > 366

article

The versatility of the pedicled submandibular gland flap in oropharyngeal reconstruction

M. Mashrah, S.H. Zhou, A. Abdelrehem, X.L. Qun, more

International Journal of Oral & Maxillofacial Surgery > 2015 > 44 > Supplement 1 > e173

article

Paradoxical embolism causing acute embolic events in a patient with hereditary thrombophilia

L. Tang, Z.F. Fang, S.H. Zhou

Herz > 2015 > 40 > 2 > 314-317

Paradoxical embolism (PDE) is an uncommon but clinically important entity. In clinical practice, PDE involving multiple organs is a rarely reported occurrence. Herein, we present a case of acute pulmonary embolism complicated by PDE through an atrial septal defect (ASD) causing a series of embolic events. Subsequent laboratory screening confirmed the patient to be a heterozygous carrier of the factor...

article

Solution-based thermodynamic modeling of the Ni–Al–Mo system using first-principles calculations

S.H. Zhou, Y. Wang, L.-Q. Chen, Z.-K. Liu, more

Calphad > 2014 > 46 > C > 124-133

A solution-based thermodynamic description of the ternary Ni–Al–Mo system is developed here, incorporating first-principles calculations and reported modeling of the binary Ni–Al, Ni–Mo and Al–Mo systems. To search for the configurations with the lowest energies of the N phase, the Alloy Theoretic Automated Toolkit (ATAT) was employed and combined with VASP. The liquid, bcc and γ-fcc phases are modeled...

article

Gamma-ray spectroscopy of 12ΛC via the (π+,K+) reaction

K. Hosomi, S. Ajimura, K. Aoki, M. Dairaku, more

Nuclear Physics, Section A > 2013 > 914 > Complete > 184-188

A γ-ray spectroscopy experiment via the C12(π+,K+) reaction was carried out at KEK-PS in 2005. The K6 beam line and Superconducting Kaon Spectrometer (SKS) were employed to obtain a missing mass spectrum for ¹² _Λ C. An upgraded germanium detector array, Hyperball2, was introduced to detect γ rays emitted from hypernuclei in coincidence with the (π+,K+) reaction. As a result of further...

article

Value of helical computed tomography in the early diagnosis of esophageal foreign bodies in adults

Yong-Cai Liu, Shui-Hong Zhou, Ling Ling, Y.C. Liu, more

American Journal of Emergency Medicine > 2013 > 31 > 9 > 1328-1332

Purpose: To investigate the relationship between early use of computed tomography (CT) and complications associated with esophageal foreign body impaction in adults. Material and Methods: A retrospective study was performed on 120 patients (63 females, 57 males, median age 50 years) with a history of foreign bodies. All had negative findings on clinical examination. All cases underwent unenhanced...

chapter

Colocated MIMO radar sidelobe suppression using random space-time coding

S.H. Zhou, B.C. Liu, K.Y. Yin, Q. Liu, more

IET International Radar Conference 2013 > 1 - 4

IET International Radar Conference 2013

For colocated multiple-input multiple-output (MIMO) radar transmitting orthogonal polyphase coded waveform, a low range, angular and Doppler sidelobe is desirable. In this paper, we propose a MIMO radar sidelobe suppression method based on random space-time coding (STC) method. In detail, at each pulse repetition period, a random STC matrix, composed of a diagonal random phase matrix multiplied by...

article

Robust adaptive beamforming based on iterative implementation of worst-case performance optimisation

W. Jin, W.M. Jia, M.L. Yao, S.H. Zhou

Electronics Letters > 2012 > 48 > 22 > 1389 - 1391

In the presence of large pointing error, an iterative worst-case performance optimisation based robust beamformer is proposed in a new perspective. Based on the relationship between the optimal weight vector and the steering vector (SV) of the Capon beamformer, the proposed approach can update the estimated desired SV through iterative computations with a small uncertainty set, and does not need any...

article

Graphene micro-substrate-induced π gap expansion in MgB2

W.X. Li, X. Xu, Q.H. Chen, Y. Zhang, more

Acta Materialia > 2011 > 59 > 19 > 7268-7276

The lattice effect induced by tensile strain on the superconductivity of graphene–MgB ₂ composites was studied systematically to deduce the electron–phonon coupling (EPC) and the multiple superconducting gap behavior. Compared with nano-carbon doped MgB ₂ , graphene–MgB ₂ composites show larger lattice parameters and higher critical superconducting transition temperatures (T...

chapter

Collocated MIMO radar beamforming with two side adaptivity

S.H. Zhou, H.W. Liu, Baochang Liu, Kuiying Yin

Proceedings of 2011 IEEE CIE International Conference on Radar > 1 > 104 - 107

2011 IEEE CIE International Conference on Radar (Radar)

We propose a beamforming algorithm for collocated multiple-input multiple-output (MIMO) radar with two side adaptivity capability such that more active and inactive interferences can be suppressed at a low computational complexity and a low sample number requirement. Signals only with jamming and noise signals are used as training samples to obtain the weighting vector for receiving beamforming. After...

article

Target statistical correlation characteristic for spatial-frequency jointly diversity multiple-input multiple-output radar

S.H. Zhou, H.W. Liu

IET Radar, Sonar & Navigation > 2011 > 5 > 6 > 638 - 649

In diversity multiple-input multiple-output (MIMO) radar system, the mutual correlation of target echo signals in its diversity channels is an important concern for designing signal processing algorithms. The target temporal, spatial and frequency correlation characteristic is studied at the background of a diversity MIMO radar with multiple widely separated radar sites all capable of working at multiple...

article

Effects of ball-mill processing on the superconductivity of sucrose doped MgB2

Y. Zhang, S.H. Zhou, W.X. Li

Physica C: Superconductivity > 2010 > 470 > S1 > S710-S711

Good critical current density, J_c(H), performance is found in sucrose doped MgB₂ samples produced by both ball-milling and hand milling. It has been found that the J_c of the ball-milled doped MgB₂ sample was 7.0×10³Acm⁻² at 5K and 8T, which is more than two times higher than for hand-milled doped MgB₂ and a factor of 70 higher than for the pure reference sample made from as-supplied amorphous boron...

article

Far-field characteristics of coherently combined beams emitted from arrays on multiple polygons

X.M. Shi, R.H. Dou, J.G. Chen, N.C. Sun, more

Optik - International Journal for Light and Electron Optics > 2010 > 121 > 18 > 1654-1659

By using Fourier Optics, the general analytical expression of intensity distribution for the coherently combined beams positioned on the X–Y plane, which is applicable to both Gaussian and non-Gaussian beams, can be derived. Considering the fact that in many cases the array configuration can be regarded as composed of several regular polygons with a common center, an explicit analytical expression...

article

Electronic structure and thermoelectric properties of Bi2Te3 crystals and graphene-doped Bi2Te3

A.H. Li, M. Shahbazi, S.H. Zhou, G.X. Wang, more

Thin Solid Films > 2010 > 518 > 24 Supplement > e57-e60

The electronic structure and thermoelectric properties of Bi ₂ Te ₃ single crystals and graphene-doped Bi ₂ Te ₃ polycrystalline samples were investigated with the aid of first-principles calculations, X-ray diffraction, scanning electron microscopy, Rietveld refinement, and thermal and transport measurements. It was found that the p electrons from the Bi and Te atoms...

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INFONA - science communication portal

Search results for: S.H. Zhou

Effect of silica fume and PVA fiber on the abrasion resistance and volume stability of concrete

Expression pattern of dickkopf WNT signaling pathway inhibitor 3 in the malignant progression of oral submucous fibrosis

Magnetic BiMn-α phase synthesis prediction: First-principles calculation, thermodynamic modeling and nonequilibrium chemical partitioning

Exploratory Studies On Secondary Organic Aerosol Formation In The Ozonolysis Of Alkyl Vinyl Ethers

Thermodynamic database for the Co-Pr system

Chemical partitioning for the Co–Pr system: First-principles, experiments and energetic calculations to investigate the hard magnetic phase

[O69] Energetic investigation of metastable Al60Sm11-ω, Al5Sm-π, Al4Sm-γ,Al11Sm3-α and Al4Sm-β phase formation

The versatility of the pedicled submandibular gland flap in oropharyngeal reconstruction

Paradoxical embolism causing acute embolic events in a patient with hereditary thrombophilia

Solution-based thermodynamic modeling of the Ni–Al–Mo system using first-principles calculations

Gamma-ray spectroscopy of 12ΛC via the (π+,K+) reaction

Value of helical computed tomography in the early diagnosis of esophageal foreign bodies in adults

Colocated MIMO radar sidelobe suppression using random space-time coding

Robust adaptive beamforming based on iterative implementation of worst-case performance optimisation

Graphene micro-substrate-induced π gap expansion in MgB2

Collocated MIMO radar beamforming with two side adaptivity

Target statistical correlation characteristic for spatial-frequency jointly diversity multiple-input multiple-output radar

Effects of ball-mill processing on the superconductivity of sucrose doped MgB2

Far-field characteristics of coherently combined beams emitted from arrays on multiple polygons

Electronic structure and thermoelectric properties of Bi2Te3 crystals and graphene-doped Bi2Te3

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