Results 41 to 50 of about 887 (248)

Near‐Unity Chiral Lasing Enabled by Quasi‐Bound States in the Continuum

Advanced Materials, EarlyView.
Nanoimprinted chiral array that supports bound states in the continuum is doped with an efficient non‐chiral molecule (Rhodamine‐B) acting as gain medium to produce fully circularly polarized lasing emission. The chiral lasing wavelength can be tuned across the emission band of Rhodamine‐B by adjusting the coating thickness of the TiO2 high refractive ...
Jose Mendoza‐Carreño, Luis A. Pérez, Carlota Ruiz De Galarreta, Théo Rouanet, M. Isabel Alonso, Agustín Mihi   +5 more
wiley   +1 more source

Implementation of MPMM ballistic model for calculation of differential coefficients for TFTs according to NATO STANAG 4119 1

Strategos, 2021
MPMM ballistic model (modified point mass model) is used to calculate all necessary ballistic trajectory elements (range, time of flight, angle of fall, maximum ordinate, differential coefficients, etc.) for classical spin-stabilized artillery projectiles.
Ivan Katalinić
doaj  

Feasibility of using a hand-held device to characterize tendon tissue biomechanics.

PLoS ONE, 2017
ObjectivesTo examine the feasibility of using the MyotonPRO digital palpation device in measuring the transverse stiffness of tendon tissue.DesignExperimental study.MethodsThe MyotonPRO was used to measure the stiffness and related properties of ...
Sahand Sohirad, David Wilson, Charlotte Waugh, Evan Finnamore, Alexander Scott   +4 more
doaj   +1 more source

Ultrasound‐Actuated Gene Editing in Human Kidney Organoids

Advanced Science, EarlyView.
Peptide‐stabilized nanoemulsions enable spatially controlled, ultrasound‐triggered delivery of gene‐editing proteins deep within human kidney organoid tissues. Focused acoustic pulses drive droplet vaporization, propelling cargo into target renal cells while preserving native tissue microarchitecture. This non‐viral platform improves both the depth and
Michael A. Miller, Nicole Vo, Utkarsh, Ivan Sokirniy, Justin Pritchard, Benjamin S. Freedman, Scott H. Medina   +6 more
wiley   +1 more source

Initial Muscle Activity in Planar Ballistic Arm Movements with Varying External Force Directions [PDF]

Motor Control, 2002
We have investigated, in fast movements, the hypothesis that bi-articular muscles are preferentially selected to control me direction of force exerted on the environment, while mono-articular muscles are selected to control both this exerted force direction as well as the movement direction. Fourteen subjects performed ballistic arm movements involving
Welter, T.G., Bobbert, M.F.
openaire   +3 more sources

Buried Unstrained Germanium Channels: A Lattice‐Matched Platform for Quantum Technology

Advanced Science, EarlyView.
ABSTRACT Strained germanium (ε$\varepsilon$‐Ge) and strained silicon (ε$\varepsilon$‐Si) buried quantum wells have enabled advanced spin‐qubit quantum processors. However, in the absence of suitable lattice‐matched substrates, ε$\varepsilon$‐Ge and ε$\varepsilon$‐Si are deposited on defective, metamorphic SiGe buffers, which may impact device ...
Davide Costa, Patrick Del Vecchio, Karina Hudson, Lucas E. A. Stehouwer, Alberto Tosato, Davide Degli Esposti, Vladimir Calvi, Luca Moreschini, Mario Lodari, Stefano Bosco, Giordano Scappucci   +10 more
wiley   +1 more source

Recent developments in ballistics

Defense and Security Studies
Ballistics, the science of projectile motion, encompasses the study of objects such as bullets, missiles, and rockets from launch to impact, divided into internal, external, terminal, and forensic ballistics.
Erdal Camci, Fehim Findik
doaj   +1 more source

Calculation of destruction probability for anti-aircraft gun burst firing based on the mechanism of projectile-target engagement [PDF]

Zhihui kongzhi yu fangzhen
The traditional model for calculating the destruction probability of anti-aircraft gun burst firing uses the method of calculating the average number of hits required for destruction, which obscures the differences in elements such as firing elements ...
XIE Jiangqi, YAO Zhijun, WANG Jun, TANG Xu, ZHANG Xianchun
doaj   +1 more source

Flexoelectricity in Photoconversion: Fundamentals, Materials, and Outlooks

Advanced Science, EarlyView.
Mechanical bending of a flexible cantilever induces a strain gradient in the photoactive material. The resulting flexoelectric field couples with photovoltaic and photoconductive effects, modulating charge generation, separation, and collection. A comparative analysis of oxide perovskites, halide perovskites, and two‐dimensional materials is presented,
Xiang Huang, Feng Li, Rongkun Zheng
wiley   +1 more source

Modeling the external ballistics of a rocket with different thrust impulse propulsion units.

, 2023
The aim of this project is to perform an aerodynamic analysis of a rocket target by using CFD and after that to determine its external ballistic characteristics. In the theory part a brief review of man portable air defense systems is made and their main
Petrauskas, Jonas,
core