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Article
A two-level iterative method with Newton-type linearization for the stationary micropolar fluid equations
In this paper, a two-level Newton iterative method is proposed for the stationary micropolar fluid equations. Firstly, the original equations are solved on a coarse grid based on Newton-type linearization. The...
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Article
2D/3D Fully Decoupled, Unconditionally Energy Stable Rotational Velocity Projection Method for Incompressible MHD System
The first order linear, fully decoupled rotational velocity projection scheme for settling 2D/3D incompressible magneto-hydrodynamic system is considered in this paper. The considered governing model is a stro...
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Article
Open AccessDifferent hydration methods for the prevention of contrast-induced nephropathy in patients with elective percutaneous coronary intervention: a retrospective study
Hydration is currently the main measure to prevent contrast-induced nephropathy (CIN). We aimed to compare the preventive effect of preprocedure and postprocedure hydration on CIN in patients with coronary hea...
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Article
Erratum to: Paleo-Earthquakes along the Zheduotang Fault, **anshuihe Fault System, Eastern Tibet: Implications for Seismic Hazard Evaluation
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Article
Paleo-Earthquakes along the Zheduotang Fault, **anshuihe Fault System, Eastern Tibet: Implications for Seismic Hazard Evaluation
The Kangding City in eastern Tibet is at high risk due to frequent strong earthquakes along the **anshuihe sinistral strike-slip fault bounding the Chuandian Block to the northeast. The knowledge of paleo-seis...
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Article
An Analog Model Study on Water–Sand Mixture Inrush Mechanisms During the Mining of Shallow Coal Seams
Water–sand mixture inrushes into shallow underground workings have caused casualties and property loss. A coupled fluid–solid analog model was developed to simulate the water–sand mixture inrush processes duri...
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Article
Hazy lesion in a ventricular tachycardia patient: stents or drugs?
Intravascular ultrasound (IVUS) is superior to coronary angiographyin guiding and optimizing complicated PCI. Here we report a successful treatment of a patient with ventricular tachycardia induced by treadmil...
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Article
Open AccessRelationship among atrial fibrillation, the CHA2DS2-VASc score and ischaemic stroke in patients with coronary artery disease: a propensity score matching study in Hebei, China
Recent evidence has shown that the pathogenesis of ischaemic stroke associated with atrial fibrillation (AF) is complex and involves other factors in addition to arrhythmias. The purpose of this study was to i...
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Article
Open AccessCD38 deficiency alleviates Ang II-induced vascular remodeling by inhibiting small extracellular vesicle-mediated vascular smooth muscle cell senescence in mice
CD38 is the main enzyme for nicotinamide adenine dinucleotide (NAD) degradation in mammalian cells. Decreased NAD levels are closely related to metabolic syndromes and aging-related diseases. Our study showed ...
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Article
Late Jurassic Intracontinental Extension and Related Mineralisation in Southwestern Fujian Province of SE China: Insights from Deformation and Syn-Tectonic Granites
Late Mesozoic igneous intrusions and extensional structures in Carboniferous to Permian sequences in the SW Fujian region acted as important controls on the localisation of Fe-polymetallic deposits. Here we do...
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Article
Open AccessElevated high-sensitivity C-reactive protein combined with procalcitonin predicts high risk of contrast-induced nephropathy after percutaneous coronary intervention
Contrast-induced nephropathy (CIN) is common after percutaneous coronary intervention (PCI) and always leads to a poor prognosis. Compared with conventional detection methods, either high-sensitivity C-reactiv...
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Article
Mixed finite element for two-dimensional incompressible convective Brinkman-Forchheimer equations
In this work, the two-dimensional convective Brinkman-Forchheimer equations are considered. The well-posedness for the variational problem and its mixed finite element approximation is established, and the err...
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Article
Unstable flow characteristics in a pump-turbine simulated by a modified Partially-Averaged Navier-Stokes method
Positive slope characteristics are very important for the safe and stable operation of a pump-turbine. In this study, the unsteady flows in a pump-turbine at pump mode are investigated numerically. To predict ...
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Article
Experimental Investigation of Inter-Blade Vortices in a Model Francis Turbine
The inter-blade vortex in a Francis turbine becomes one of the main hydraulic factors that are likely to cause blade erosion at deep part load operating conditions. However, the causes and the mechanism of int...
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Chapter
Definition and Improved Algorithm of All-Time TEM Apparent Resistivity
An improved TEM all-time apparent resistivity is proposed. Firstly, we give its definition. Its definition at time t(i) is the comprehensive resistivity of the zone from Depth(i − 1) to infinity, where, Depth(i −...
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Article
Frontier research of ultra-high-speed ultra-large-capacity and ultra-long-haul optical transmission
Ultra-high-speed, ultra-large-capacity and ultra-long-haul (3U) are the forever pursuit of optical communication. As a new mode of optical communication, 3U transmission can greatly promote next generation opt...
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Article
A study of mine water inrushes by measurements of in situ stress and rock failures
This paper presents underground measurements (e.g., mini-frac tests) for in situ stress, hydraulic fractures, strata failures and hydraulic conductivity enhancement induced by coal extraction to study mechanis...
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Article
Numerical predictions and stability analysis of cavitating draft tube vortices at high head in a model Francis turbine
Draft tube vortex is one of the main causes of hydraulic instability in hydraulic reaction turbines, in particular Francis turbines. A method of cavitation calculations was proposed to predict the pressure flu...
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Article
Self-assembled nanoscale coordination polymers with trigger release properties for effective anticancer therapy
Nanoscale coordination polymers (NCPs) are self-assembled from metal ions and organic bridging ligands, and can overcome many drawbacks of existing drug delivery systems by virtue of tunable compositions, size...
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Article
P 1-Nonconforming Quadrilateral Finite Volume Methods for the Semilinear Elliptic Equations
In this paper we use P 1-nonconforming quadrilateral finite volume methods with interpolated coefficients to solve the semilinear elliptic problems. Two types of control volumes are applied. Optim...
