Search results for: Y.X. Wang

Items from 1 to 20 out of 152 results

article

Fast and approximate exhaustive variable selection for generalised linear models with APES

Kevin YX Wang, Garth Tarr, Jean YH Yang, Samuel Mueller

Australian & New Zealand Journal of Statistics > 61 > 4 > 445 - 465

We present APproximated Exhaustive Search (APES), which enables fast and approximated exhaustive variable selection in Generalised Linear Models (GLMs). While exhaustive variable selection remains as the gold standard in many model selection contexts, traditional exhaustive variable selection suffers from computational feasibility issues. More precisely, there is often a high cost associated with...

article

Bacillus licheniformis, a potential probiotic, inhibits obesity by modulating colonic microflora in C57BL/6J mice model

G.T. Cao, B. Dai, K.L. Wang, Y. Yan, more

Journal of Applied Microbiology > 127 > 3 > 880 - 888

Aims This study evaluated the effects of a potential probiotic, Bacillus sp., on the growth, serum and hepatic triglyceride, histological features of liver tissues and colonic microflora in high‐fat diet‐induced obese mice. Methods and Results Sixty male C57BL/6J mice were randomly divided into five groups: mice fed a low‐fat diet (Cont), mice fed a high‐fat diet (Hf), Hf and orally challenged...

article

Tolerance of two apple rootstocks to short-term salt stress: focus on chlorophyll degradation, photosynthesis, hormone and leaf ultrastructures

YF. Zhu, YX. Wu, Y. Hu, XM. Jia, more

Acta Physiologiae Plantarum > 2019 > 41 > 6

To elucidate the salt tolerance of Malus halliana Koehne and Malus robusta Rehd., changes of photosynthetic parameters, hormone content and chlorophyll degradation enzymes of them were compared after treated with different concentration of NaCl. Salt stresses were simulated using 50, 100, 200 mM of NaCl solution, and 1/2 Hoagland nutrient solution was used instead of NaCl solution as control (CK)...

article

Fe3O4/Au binary nanocrystals: Facile synthesis with diverse structure evolution and highly efficient catalytic reduction with cyclability characteristics in 4-nitrophenol

Y. Liu, Y.Y. Zhang, Q.W. Kou, D.D. Wang, more

Powder Technology > 2018 > 338 > C > 26-35

Fe₃O₄/Au binary nanocrystals have been widely utilized in catalysis, biology, medicine and other fields due to their unique magnetic and optical properties. In the present work, diversely structured Fe₃O₄/Au core-satellite nanocubes and Fe₃O₄@Au core-shell nanocrystals are fabricated by a seed deposition and a seed-mediated growth process, respectively. The developed binary nanocrystals equipped with...

article

Xylazine regulates the release of glycine and aspartic acid in rat brain

Y.M. Zhang, D.X. Yu, B.S. Yin, X.R. Li, more

Journal of Veterinary Research > 2018 > 62 > 1

article

Novel composite nanomaterials with superior thermal and pressure stability for potential LED applications

M. Gao, J.C. Yao, C. Yan, X.F. Li, more

Journal of Alloys and Compounds > 2018 > 734 > C > 282-289

A novel white-emitting ZnO@Eu₂O₃ core/shell nanomaterials was synthesized by a green chemical method. The temperature and pressure dependence of the photoluminescence (PL) transition associated with the fundamental bandgap of ZnO@Eu₂O₃ core/shell nanomaterials have been studied. The activation energy of ZnO@Eu₂O₃ is 0.27 eV, which is higher than the commercial Y₂O₃: Eu ³⁺. The near-bandedge emission...

article

A novel anti-frictional multiphase layer produced by plasma nitriding of PVD titanium coated ZL205A aluminum alloy

C. Lu, J.W. Yao, Y.X. Wang, Y.D. Zhu, more

Applied Surface Science > 2018 > 431 > C > 32-38

The heat treatment (consisting of solid solution and aging), is integrated with the nitriding process of titanium coated ZL205A aluminum alloy to improve the surface and matrix mechanical properties simultaneously. Two-step duplex treatment is adopted to prepare the gradient multiphase layer on a magnesium-free ZL205A aluminum-copper based alloy. Firstly, pure titanium film is deposited on the aluminum...

article

High temperature plasma nitriding to modify Ti coated C17200 Cu surface: Microstructure and tribological properties

Y.D. Zhu, J.W. Yao, M.F. Yan, Y.X. Zhang, more

Vacuum > 2018 > 147 > C > 163-171

In this work, we studied the microstructure formation and mechanical properties of the Ti alloyed C17200 Cu surface produced by plasma nitriding at 750 °C. The results firstly show that the multiphase coating consists of amorphous and nano-crystalline phases, and various types of Cu-Ti intermetallics, including CuTi₂, CuTi, Cu₃Ti₂, Be₃Ti₂Cu, Cu₂Ti, Cu₃Ti, formed after the plasma nitriding at 750 °C...

article

VDMOSFET HEF degradation modelling considering turn-around phenomenon

X.R. Ye, C. Chen, Y.X. Wang, L. Wang, more

Microelectronics Reliability > 2018 > 80 > C > 37-41

Gate oxide failure of power VDMOSFET has been researched for a long time. For BTI parameter degradation, some models are proposed. However, the degradation modelling of HEF still have challenges, one of which is the turn-around phenomenon. Due to the existence of the turn-around point, the threshold voltage degradation model under HEF cannot be described using classical models. Aiming at this problem,...

article

Effect of deformation on thermal expansion behavior of Sr0.2Ba0.8TiO3/Cu composite

J. Sheng, L.D. Wang, W.P. Cao, M. Wang, more

Journal of Alloys and Compounds > 2017 > 729 > C > 735-741

The negative thermal expansion effect of tetragonal-cubic phase transition in Sr_0.2Ba_0.8TiO₃ particles can be utilized to reduce the thermal expansion of metal matrix composite. However, a portion of cubic-phase Sr_0.2Ba_0.8TiO₃ particles exist in the composites due to the residual stress, which exhibit positive thermal expansion because there is no transformation upon heating. Here, we studied the...

article

Magnetic and ferroelectric properties of Aurivillius phase Bi7Fe3Ti3O21 and their doped films

D.P. Song, J. Yang, Y.X. Wang, J. Yang, more

Ceramics International > 2017 > 43 > 18 > 17148- 17152

Thin films of Bi₇Fe₃Ti₃O₂₁, Bi₇Fe₂CoTi₃O₂₁, and Bi_6.15Sm_0.85Fe₂CoTi₃O₂₁ are prepared on Pt/Ti/SiO₂/Si (100) substrates by using a chemical solution deposition route and the magnetic and ferroelectric properties are investigated. Thin film of Bi₇Fe₃Ti₃O₂₁ shows robust ferroelectric polarization loop compared with ceramics, signal crystal and thin films reported before. The room-temperature ferromagnetism...

article

Strong red emission and catalytic properties of ZnO by adding Eu2O3 shell

M. Gao, C. Yan, B.Z. Li, L.J. Zhou, more

Journal of Alloys and Compounds > 2017 > 724 > C > 537-542

The structural, optical properties and catalytic activity of ZnO@Eu₂O₃ core-shell nanostructutres have been investigated systematically. Sharp intense red emissions in the range of 580–650 nm due to the intra-4f transition of Eu³⁺ ions are observed from the sample. It is found that some of the Eu³⁺ ions are in the Eu₂O₃-like state located at the surface of ZnO and others are doped into ZnO host. Incorporation...

article

Structure and tribological performances of CrAlSiN coatings with different Si percentages in seawater

S.Q. Sun, Y.W. Ye, Y.X. Wang, M.Q. Liu, more

Tribology International > 2017 > 115 > C > 591-599

Nanocomposite CrAlSiN coatings with different Si percentages were deposited using a multi-arc ion plating technique. The coating microstructures were characterized by SEM, XRD, XPS and TEM. The mechanical properties and tribological performances were measured. The results demonstrated that the microstructure of the CrAlSiN coatings was composed of (Cr, Al) N crystallites and an amorphous Si₃N₄ phase...

article

Preparation and characterization of ultra-refined expanded martensite α′N

Y.X. Wang, Z.B. Chen, M.F. Yan, C.S. Zhang, more

Surface and Coatings Technology > 2017 > 326 > PA > 216-223

Theoretical and experimental methods are utilized to design and prepare the expanded martensite (α′_N) on the steel 38CrMoAl by plasma nitriding. Lehrer diagram is firstly calculated by thermodynamic method, based on which the plasma nitriding experiments are conducted to prepare single-phase α′_N layer. Microstructure and mechanical properties for α′_N layer are further characterized by XRD, TEM and...

article

USP5 promotes tumorigenesis and progression of pancreatic cancer by stabilizing FoxM1 protein

X.Y. Li, H.Y. Wu, X.F. Mao, L.X. Jiang, more

Biochemical and Biophysical Research Communications > 2017 > 492 > 1 > 48-54

Increased ubiquitin-specific protease 5 (USP5) has been associated with tumorigenesis of malignancy including glioblastoma, melanoma and hepatocellular carcinoma. However, the role of USP5 in tumorigenesis of pancreatic ductal adenocarcinoma (PDAC) has not been studied yet. In this study, we demonstrated that USP5 was significantly upregulated in a panel of PDAC cell lines and correlated with FoxM1...

article

Catalytic growth of diamond-like carbon on Fe3C-containing carburized layer through a single-step plasma-assisted carburizing process

Yang Yang, M.F. Yan, Y.X. Zhang, D.Y. Li, more

Carbon > 2017 > 122 > C > 1-8

This article reports a study on catalytic growth of diamond-like carbon (DLC) on the Fe₃C-containing carburized surface layer of M50NiL steel through a single-step plasma-assisted carburizing process. The catalytic effect of Fe₃C on DLC growth was investigated by means of X-ray diffraction (XRD), Raman spectroscopy, X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM) and transmission...

article

Ductile fracture in notched bulk metallic glasses

J. Pan, Y.X. Wang, Y. Li

Acta Materialia > 2017 > 136 > C > 126-133

The deformation of bulk metallic glasses (BMGs) is generally driven by highly localized shear. Due to such inhomogeneous flow, failure occurs in a catastrophic brittle manner through rapid shear banding, often associated with very limited plastic strain macroscopically. Here, we demonstrate metal-like ductile fracture in Zr-based BMGs under tension, a completely opposite situation, by suppressing...

article

Granular jet composed of elliptical particles impacting a fixed target

Dong Su, Y.X. Wang, Yrjö Jun Huang, Attila Michael Zsaki

Powder Technology > 2017 > 313 > C > 303-311

It was reported that a sheet-like or cone-like shock forms when a granular jet, composed of spherical glass beads impacts a fixed target. The discrete element method (DEM) was employed to simulate this process using elliptical particles, which were approximated by using the glued-particle method (GPM).In comparison with circular particles, our simulations show that the aspect ratio does not affect...

article

EP-1238: Patterns of recurrence in patients of pT2 esophageal squamous cell carcinoma after radical resection

Y.X. Wang, Y.H. Gao, J. Li, R. Qiu, more

Radiotherapy and Oncology > 2017 > 123 > S1 > S667

article

Crystallization kinetics of an Au-based metallic glass upon ultrafast heating and cooling

F.X. Bai, J.H. Yao, Y.X. Wang, J. Pan, more

Scripta Materialia > 2017 > 132 > C > 58-62

The crystallization behavior of Au₅₀Cu_25.5Ag_7.5Si₁₇ metallic glass during continuous heating/cooling and isothermal treatment is investigated by ultrafast calorimetry. The relationship between the transformation and the time/temperature scales of the alloy is established experimentally in a wide temperature range from glass transition temperature to the melting point. Temperature-dependent viscosity...

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A. FERROELECTRICS (6)
PLASMA NITRIDING (5)
A. MAGNETIC FILMS AND MULTILAYERS (4)
D. PHASE TRANSITIONS (4)
FERROELECTRICS (4)
MECHANICAL PROPERTIES (4)
MOLECULAR DYNAMIC SIMULATION (4)
MOLECULAR DYNAMICS SIMULATION (4)
A. NANOSTRUCTURES (3)
D. ELECTRONIC BAND STRUCTURE (3)
ELECTRONIC BAND STRUCTURE (3)
OPTICAL PROPERTIES (3)
[PHYSICAL ASTRONOMY CLASSIFICATION SCHEME] 71.15.AP (3)
[PHYSICAL ASTRONOMY CLASSIFICATION SCHEME] 77.80.-E (3)
B. POROSITY (2)
CHINA-PEOPLE'S REPUBLIC (2)
D. DIELECTRIC RESPONSE (2)
D. MAGNETIC ANISOTROPY (2)
D. PORCELAIN (2)
DFT (2)
DIAMOND (2)
DIAMOND-LIKE CARBON FILM (2)
FATIGUE LIFE PREDICTION (2)
FATIGUE PROPERTY (2)
HEARING IMPAIRMENT (2)
HYDROGEN (2)
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METALLIC GLASS (2)
NONDESTRUCTIVE DEPOSITION (2)
OIL SPILL (2)
PLASMA NITROCARBURIZING (2)
POROSITY (2)
SMALL CU CLUSTER (2)
SURFACE DIFFUSION (2)
TEMPERATURE (2)
TILES (2)
WEIBULL STATISTICS (2)
YOUNG PEOPLE (2)
ZNO@EU2O3 (2)
[PHYSICAL ASTRONOMY CLASSIFICATION SCHEME] 68.35.RH (2)
[PHYSICAL ASTRONOMY CLASSIFICATION SCHEME] 77.80 (2)
[PHYSICAL ASTRONOMY CLASSIFICATION SCHEME] 77.80.BH (2)
C 3 6 FULLERENE (1)
KTA 0 . 5 NB 0 . 5 O 3 (1)
NANO 2 (1)
PBFE 0 . 5 NB 0 . 5 O 3 (1)
ORYZA SATIVA L. (1)
2-METHYLBUTYRATE (1)
30CRMNSIA STEEL (1)
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INFONA - science communication portal

Search results for: Y.X. Wang

Fast and approximate exhaustive variable selection for generalised linear models with APES

Bacillus licheniformis, a potential probiotic, inhibits obesity by modulating colonic microflora in C57BL/6J mice model

Tolerance of two apple rootstocks to short-term salt stress: focus on chlorophyll degradation, photosynthesis, hormone and leaf ultrastructures

Fe3O4/Au binary nanocrystals: Facile synthesis with diverse structure evolution and highly efficient catalytic reduction with cyclability characteristics in 4-nitrophenol

Xylazine regulates the release of glycine and aspartic acid in rat brain

Novel composite nanomaterials with superior thermal and pressure stability for potential LED applications

A novel anti-frictional multiphase layer produced by plasma nitriding of PVD titanium coated ZL205A aluminum alloy

High temperature plasma nitriding to modify Ti coated C17200 Cu surface: Microstructure and tribological properties

VDMOSFET HEF degradation modelling considering turn-around phenomenon

Effect of deformation on thermal expansion behavior of Sr0.2Ba0.8TiO3/Cu composite

Magnetic and ferroelectric properties of Aurivillius phase Bi7Fe3Ti3O21 and their doped films

Strong red emission and catalytic properties of ZnO by adding Eu2O3 shell

Structure and tribological performances of CrAlSiN coatings with different Si percentages in seawater

Preparation and characterization of ultra-refined expanded martensite α′N

USP5 promotes tumorigenesis and progression of pancreatic cancer by stabilizing FoxM1 protein

Catalytic growth of diamond-like carbon on Fe3C-containing carburized layer through a single-step plasma-assisted carburizing process

Ductile fracture in notched bulk metallic glasses

Granular jet composed of elliptical particles impacting a fixed target

EP-1238: Patterns of recurrence in patients of pT2 esophageal squamous cell carcinoma after radical resection

Crystallization kinetics of an Au-based metallic glass upon ultrafast heating and cooling

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