Search Results - Chen Zhang

We demonstrate the design, fabrication, and measurement results for an As₂S₃ grating coupler on a LiNbO₃ substrate. The proposed coupler was fabricated by a single lithography step followed by a single reactive ion etching step, wh...

Full description

This study investigates a green intermodal routing problem considering carbon tax regulation and a mixed (combined soft and hard) time window to improve cost- and time-effectiveness and promote carbon emission reduction in intermodal transportation. To enhance the feasibility of problem optimization...

Full description

The diffusion of e-commerce has played a significant role in recent rural economic development in China. E-commerce is also considered as an efficient channel to alleviate poverty in rural China. Voluminous studies have investigated the contribution of e-commerce to agricultural development, yet it...

Full description

BackgroundThe adventurous behaviors of college students are becoming increasingly diverse. This study is grounded in the dual-process theory model of impulsivity. To explore the impact of the match between impulsivity and emotional regulation self-efficacy on college student multi-domain risk-taking...

Full description

None

In this paper, a novel compact printed monopole antenna is presented. The antenna consists of a planar monopole antenna and a tapered-line resonator with inner coupled section, which works as a near-field resonant parasitic (NFRP) element. The resonant frequency can be decreased dramatically by the...

Full description

BackgroundDepression is a prevalent mental disorder globally, significantly impacting university students who face unique challenges such as academic and family pressures. This study investigates the prevalence of depressive symptoms among university students, examining the mediating role of stress...

Full description

The reasonable selection of soil layer parameters relates to the accurate prediction of the horizontal deformation of the foundation pit, which is the main problem of highway tunnel pit design. The aim of this paper is to obtain suitable soil layer parameters for finite element simulation of highwa...

Full description

In this work, by utilizing ionic liquid as the gain medium solvent, which is a new category of materials, we demonstrated a droplet-based dye laser system in a co-flowing microfluidic device. We characterized the droplet laser system and achieved a lasing threshold of 40.1 μJ/m...

Full description

ABSTRACT Small carnivorous fishes serve as important mesopredators in coral reef ecosystems. However, the habitat and prey availability degradation within these ecosystems has intensified the trend of body size miniaturization and interspecific competition among these species. To better understand t...

Full description

In view of the complex operating environments of wind farms and the characteristics of multi-branch mixed collector lines, in order to improve the accuracy of single-phase grounding fault location, the convolutional neural network (CNN), bidirectional long short-term memory network (BiLSTM), and att...

Full description

IntroductionGiven the ongoing development and significant medical role of Traditional Medicine Hospital (TCM) techniques in Chinese TCM hospitals, it is imperative to conduct an assessment on the influence of the gradual implementation of the DRG reimbursement system in W City's three public ho...

Full description

ABSTRACT The search for photoactive materials that are able to efficiently produce solar fuels is a growing research field to tackle the current energy crisis. Herein, we have prepared two ionic non‐noble metallo‐supramolecular polymers Se‐MTpy (M = Co or Ni), and constructed their composites with s...

Full description

Vasoactive agents, traditionally recognized for their roles in cardiovascular regulation, have garnered increasing attention for their non-cardiovascular effects across various physiological systems. This review explores the multifaceted roles of vasoactive agents such as catecholamines, vasopressin...

Full description

The active power output capability and small signal stability in weak grids are key factors that limit stable photovoltaic (PV) power generation. To improve stably generating PV power in weak grids, an adaptive control method for PV inverters based on online tuning of the reactive power-voltage (Q-V...

Full description

In sensor metrology, noise parameters governing the stochastic nature of photon detectors play critical role in characterizing the aleatoric uncertainty of computational imaging systems such as indirect time-of-flight cameras, structured light imaging, and division-of-time polarimetric imaging. Stan...

Full description

Introduction The prevalence of carbapenem-resistant Enterobacteriaceae (CRE) infections is increasing worldwide. However, the evidence regarding the treatment of infections caused by CRE is either low or conditional.Methods and analysis This multicentre, investigator-initiated, open-label, randomise...

Full description

The astrophysical origin of binary black hole (BBH) mergers remains uncertain, although many events have been observed by the LIGO–Virgo–KAGRA network. Such mergers are potentially originated in the vicinity of massive black holes (MBHs). GW190814, due to its secondary mass and mass ratio being beyo...

Full description

Coral-reef fishes in the South China Sea play a crucial role in sustaining ecosystem stability and delivering essential ecological functions. However, widespread coral degradation has led to habitat loss, intensifying environmental stress on reef-associated fish communities. To better understand the...

Full description