Results 191 to 200 of about 4,736 (218)

Stirring‐Induced Modulation of NIR Emission in Tm3+‐Doped Nanoparticles: Evidence of Apparent Risetime Sensitivity

Advanced Optical Materials, EarlyView.
Motion was found to induce significant variation in the luminescence intensity ratio of NIR‐emitting Tm3+‐doped NaYbF4 nanoparticles, which has been ascribed to the population dynamics of the Tm3+ ion's excited states. These findings provide the groundwork for the design of motion nanosensors that can operate in environments not accessible with UV–vis ...
York Estewin Serge‐Correales, Mohammadreza Khodabakhsh, Nayara de Melo Costa‐Serge, Rogéria Rocha Gonçalves, Eva Hemmer   +4 more
wiley   +1 more source

Analytical and Experimental Research of Lubrication Load-Bearing Characteristics of Microtextured Meshing Interface. [PDF]

Materials (Basel)
Wang X, Ruan J, Wang Y, Zou W.
europepmc   +1 more source

Programmable Anisotropic Terahertz Permittivity via High‐Aspect‐Ratio 3D‐Printed Dielectric Mesh Networks

Advanced Optical Materials, EarlyView.
A 3D‐printed Terahertz (THz) anisotropic dielectric with programmable permittivity by varying infill density and creating high‐aspect‐ratio channels is presented. The proposed design was evaluated both experimentally, through THz time‐domain spectroscopy, and theoretically, through FDTD simulations and Effective Medium Theory analysis.
Chi Him Liu, Hwan Sik Kim, Andre Sarker Andy, Imad A.M. Ahmed, Yeong Hwan Ahn, Sang‐Soo Chee, Mira Naftaly, John E. Cunningham, Sae June Park   +8 more
wiley   +1 more source

Reliability analysis of gear-bearing drive systems considering gear manufacturing and installation errors. [PDF]

Sci Rep
Song J, Wang Y, Hou L, Zhang T, Zhang M, Zhang Z, Jiang Y, Chen Y, Lin R, Chen Y.   +9 more
europepmc   +1 more source

Towards the Optimization of Apodized Resonators. [PDF]

Micromachines (Basel)
Valenzuela-Pérez A, Collado C, Mateu J.
europepmc   +1 more source

Numerical and statistical analysis of aluminum deep drawing using LS-DYNA coupled with Taguchi design and response surface methodology. [PDF]

Sci Rep
Shamso E, El Kafy MA, Naeim N.
europepmc   +1 more source

Numerical Simulation of Liquid Film Sealing Performance for a CO₂ Plunger Pump Slipper Pair. [PDF]

ACS Omega
Qi W, Wang X, Zhou S.
europepmc   +1 more source

R-function method and variational method for the bending problem of functionally graded plates with fixed supports and complex shapes. [PDF]

Sci Rep
Su K, Li S.
europepmc   +1 more source

Ultrasonic Testing of Laser Welds in Medium-Thick Titanium Alloy Plates. [PDF]

Sensors (Basel)
Zhou C, Li J, Yang S, Hu C, Feng K, Bo Y.   +5 more
europepmc   +1 more source

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Meshing theory of involute worm drive

Mechanism and Machine Theory, 2021
Gongfa Li, Qingxiang Meng, Yaping Zhao   +2 more
exaly