Search Results - "Zhang, Qihua"
-
1
Preferential flow in three-dimensional stochastic fracture networks: The effect of topological structure
Published in Engineering geology (01-11-2022)“…This study explores how the topology-based measure of connectivity of a three-dimensional discrete fracture network (DFN) can be used to predict flow…”
Get full text
Journal Article -
2
Vertical semiconductor deep ultraviolet light emitting diodes on a nanowire-assisted aluminum nitride buffer layer
Published in Scientific reports (04-05-2022)“…Vertical light-emitting diodes (LEDs) have many advantages such as uniform current injection, excellent scalability of the chip size, and simple packaging…”
Get full text
Journal Article -
3
Selenium speciation in bay scallops by high performance liquid chromatography separation and inductively coupled plasma mass spectrometry detection after complete enzymatic extraction
Published in Journal of Chromatography A (17-01-2014)“…•Tissues pre-treated by papain in sodium bicarbonate enabled easy enzymatic extraction.•Complete hydrolysis by Flavourzyme® 500 L, carboxypeptidase Y and…”
Get full text
Journal Article -
4
Algorithmic approach to discrete fracture network flow modeling in consideration of realistic connections in large-scale fracture networks
Published in Journal of Rock Mechanics and Geotechnical Engineering (01-09-2024)“…Analyzing rock mass seepage using the discrete fracture network (DFN) flow model poses challenges when dealing with complex fracture networks. This paper…”
Get full text
Journal Article -
5
Integration and application of 3D visualization technology and numerical simulation technology in geological research
Published in Environmental earth sciences (01-12-2021)“…3D visualization and numerical simulation technologies are widely used in fields of hazard analysis, engineering simulation, architecture and traffic design…”
Get full text
Journal Article -
6
Numerical investigations on effect of wear-ring clearance on performance of a submersible well pump
Published in Advances in mechanical engineering (01-07-2017)“…A typical submersible well pump was investigated in this article. The whole flow field of submersible well pump was numerically simulated by computational…”
Get full text
Journal Article -
7
Preparation of large-area surface-enhanced Raman scattering active Ag and Ag/Au nanocomposite films
Published in Applied physics. A, Materials science & processing (01-06-2013)“…Ag films on tinning glass substrates were fabricated by modified silver-mirror (Tollen’s) reaction with the advantage of low-cost, simple and quick fabrication…”
Get full text
Journal Article -
8
Anatomical mercury speciation in bay scallops by thio-bearing chelating resin concentration and GC-electron capture detector determination
Published in Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment (2014)“…The highly toxic methyl-, ethyl- and phenylmercury species that may exist in the three main anatomical parts – the adductor muscle, the mantle and the visceral…”
Get full text
Journal Article -
9
A novel computational framework for integrating multidimensional data to enhance accuracy in predicting the prognosis of colorectal cancer
Published in MedComm - Future medicine (01-09-2022)“…Accurate prognosis prediction is the key to achieving precision treatment and guiding the selection of adjuvant chemotherapy in high‐risk stage II/III…”
Get full text
Journal Article -
10
Hydrothermal preparation of fractal dendrites: Cerium carbonate hydroxide and cerium oxide
Published in Materials research bulletin (03-06-2009)“…The surfactant-assisted hydrothermal route was used to prepare fractal dendrite cerium carbonate hydroxide (CeOHCO 3) microstructures. After annealing at 600…”
Get full text
Journal Article -
11
Computational fluid dynamics and experimental study of inter-stage seal clearance on submersible well pump
Published in Advances in mechanical engineering (01-02-2016)“…In this article, a typical submersible well pump was investigated to study the effects of inter-stage leakage on the inner flow field and external…”
Get full text
Journal Article -
12
-
13
Rheological properties of fiber suspensions flowing through a curved expansion duct
Published in Polymer engineering and science (01-10-2010)“…A numerical method based on finite volume method for solving Fokker‐Planck equation on a unit sphere was first developed to simulate numerically the fiber…”
Get full text
Journal Article -
14
210 nm Emitting LEDs Exploiting Compositional Fluctuations in AlGaN Nanowires
Published in 2021 Photonics North (PN) (31-05-2021)“…In this paper, we report 210 nm emission from AlGaN nanowire light-emitting diodes on silicon substrate through exploiting alloy compositional fluctuations in…”
Get full text
Conference Proceeding -
15
Flow Properties of Turbulent Fiber Suspensions in a Stock Pump Impeller
Published in Chinese journal of chemical engineering (01-10-2013)“…A numerical method for predicting fiber orientation is presented to explore the flow properties of turbu-lent fiber suspension flowing through a stock pump…”
Get full text
Journal Article -
16
A New Proposed Return Guide Vane for Compact Multistage Centrifugal Pumps
Published in International Journal of Rotating Machinery (01-01-2013)“…For widely used multistage centrifugal pumps, their former structures are so bulky that nowadays growing interest has been shifted to the development of more…”
Get full text
Journal Article -
17
AlGaN Epilayers on Si Substrate with High Internal Quantum Efficiency
Published in 2022 Photonics North (PN) (24-05-2022)“…In this paper, we report the molecular beam epitaxial growth of AlGaN epilayers on Si substrate with high internal quantum efficiency…”
Get full text
Conference Proceeding -
18
AlGaN Deep UV LEDs on Si Exploiting a Nanowire-assisted AlN Buffer Layer
Published in 2022 Photonics North (PN) (24-05-2022)“…In this paper, we report AlGaN deep UV LEDs emitting down to 247 nm made with AlGaN epilayers using a special AlN buffer layer on Si substrate…”
Get full text
Conference Proceeding -
19
Polarity Control of Nanowire-template-assisted AlN Epilayers on Si by Molecular Beam Epitaxy
Published in 2022 Photonics North (PN) (24-05-2022)“…In this paper, we report the polarity control of AlN epilayers on Si. Such AlN epilayers are grown by molecular beam epitaxy, assisted by a nanowire template…”
Get full text
Conference Proceeding -
20
A Study on Two-Phase Flow of Multiple Submersible Mixers Based on Rigid-Lid Assumption
Published in Advances in mechanical engineering (01-01-2014)“…To study the flow field conditions of submersible mixers in the big sewage treatment pool, the FLUENT6.3 software and the ICEM software are adopted to…”
Get full text
Journal Article