Multi-fault classification based on wavelet SVM with PSO algorithm to analyze vibration signals from rolling element bearings

Z Liu, H Cao, X Chen, Z He, Z Shen - Neurocomputing, 2013 - Elsevier
Condition monitoring and fault diagnosis of rolling element bearings timely and accurately
is very important to ensure the reliable operation of rotating machinery. In this paper, a multi-…

[HTML][HTML] Broadband and wide field-of-view plasmonic metasurface-enabled waveplates

ZH Jiang, L Lin, D Ma, S Yun, DH Werner, Z Liu… - Scientific reports, 2014 - nature.com
Quasi two-dimensional metasurfaces composed of subwavelength nanoresonator arrays
can dramatically alter the properties of light in an ultra-thin planar geometry, enabling new …

Time–frequency analysis based on ensemble local mean decomposition and fast kurtogram for rotating machinery fault diagnosis

L Wang, Z Liu, Q Miao, X Zhang - Mechanical Systems and Signal …, 2018 - Elsevier
A time–frequency analysis method based on ensemble local mean decomposition (ELMD)
and fast kurtogram (FK) is proposed for rotating machinery fault diagnosis. Local mean …

Chromatic confocal microscopy using supercontinuum light

K Shi, P Li, S Yin, Z Liu - Optics Express, 2004 - opg.optica.org
We report on a novel chromatic confocal microscope system using supercontinuum white
light generated from a photonic crystal fiber. The chromatic aberration of a pair of singlet …

Rough carbon–iron oxide nanohybrids for near-infrared-II light-responsive synergistic antibacterial therapy

Z Liu, X Zhao, B Yu, N Zhao, C Zhang, FJ Xu - Acs Nano, 2021 - ACS Publications
Infections caused by multidrug resistant bacteria are still a serious threat to human health. It
is of great significance to explore effective alternative antibacterial strategies. Herein, carbon…

Autophagy in kidney homeostasis and disease

C Tang, MJ Livingston, Z Liu, Z Dong - Nature Reviews Nephrology, 2020 - nature.com
Autophagy is a conserved lysosomal pathway for the degradation of cytoplasmic components.
Basal autophagy in kidney cells is essential for the maintenance of kidney homeostasis, …

Diabetes mellitus and risk of hepatocellular carcinoma: a systematic review and meta‐analysis

…, D Kang, W Cao, Y Wang, Z Liu - … metabolism research and …, 2012 - Wiley Online Library
Studies of diabetes and hepatocellular carcinoma (HCC) yielded inconsistent findings. This
meta‐analysis was conducted to examine the association between diabetes and risk of HCC…

[HTML][HTML] Extraordinary second harmonic generation in tungsten disulfide monolayers

…, N Perea-López, M Terrones, V Crespi, Z Liu - Scientific reports, 2014 - nature.com
We investigate Second Harmonic Generation (SHG) in monolayer WS 2 both deposited on
a SiO 2 /Si substrate or suspended using transmission electron microscopy grids. We find …

[HTML][HTML] Optimized glycemic control of type 2 diabetes with reinforcement learning: a proof-of-concept trial

G Wang, X Liu, Z Ying, G Yang, Z Chen, Z Liu… - Nature Medicine, 2023 - nature.com
The personalized titration and optimization of insulin regimens for treatment of type 2
diabetes (T2D) are resource-demanding healthcare tasks. Here we propose a model-based …

Pollen PCP-B peptides unlock a stigma peptide–receptor kinase gating mechanism for pollination

C Liu, L Shen, Y Xiao, D Vyshedsky, C Peng, X Sun… - Science, 2021 - science.org
Sexual reproduction in angiosperms relies on precise communications between the pollen
and pistil. The molecular mechanisms underlying these communications remain elusive. We …