Results 71 to 80 of about 406,372 (350)

Observation of Topological Chirality Switching Induced Freezing of a Skyrmion Crystal

open access: yesAdvanced Materials, EarlyView.
Using Lorentz Transmission electron microscopy, it is shown that in the insulating van der Waals ferromagnet, CrBr3, a magnetic field can cause Bloch skyrmionic bubbles to spontaneously switch their chirality. As achiral type‐II bubbles are an intermediate state, the bubbles rapidly elongate and shrink when switching, thereby inducing a freezing of the
John Fullerton   +10 more
wiley   +1 more source

Technology and warfare

open access: yesMètode Science Studies Journal: Annual Review
This article is an exploration of the relationship between technology and warfare from prehistoric times to the present day. The subject is examined in four realms – land, naval, air and space – and three time periods defined by the dominant power ...
Alex Roland
doaj   +1 more source

Classification of Incomplete Data Using the Fuzzy ARTMAP Neural Network [PDF]

open access: yes, 2000
The fuzzy ARTMAP neural network is used to classify data that is incomplete in one or more ways. These include a limited number of training cases, missing components, missing class labels, and missing classes.
Granger, Eric   +3 more
core   +1 more source

Spectral Tuning of Hyperbolic Shear Polaritons in Monoclinic Gallium Oxide via Isotopic Substitution

open access: yesAdvanced Materials, EarlyView.
Spectral tuning of highly directional hyperbolic shear polaritons is realized via isotopic substitution of 16O to 18O in monoclinic β$\beta$‐phase gallium oxide. A red‐shift of almost 40 cm−1 is experimentally demonstrated with near‐field imaging, corroborated by the permittivity change extracted from far‐field experiments and density functional theory.
Giulia Carini   +28 more
wiley   +1 more source

Russian military pharmacopoeias in the military health system

open access: yesРегуляторные исследования и экспертиза лекарственных средств, 2018
The development of Russia at the turn of the XVII-XVIII centuries led to the necessity of building a regular army and naval forces, capable of defending the national interests.
Yu. V. Miroshnichenko   +2 more
doaj  

Form Perception [PDF]

open access: yes, 2007
National Science Foundation (SBE-0354378); Office of Naval Research (N00014-01-1 ...
Grossberg, Stephen
core   +1 more source

Moth‐Wing‐Inspired Multifunctional Metamaterials

open access: yesAdvanced Materials, EarlyView.
This study develops a moth‐wing‐inspired heterogeneous metamaterial that achieves synergistic broadband sound absorption, mechanical energy dissipation, and thermal insulation within a lightweight architected framework. Combining bioinspired gradient design, genetic‐algorithm optimization, and additive manufacturing, the bionic heterogeneous acoustic ...
Haoran Pei   +12 more
wiley   +1 more source

Rewriting Polymer Fate via Chemomechanical Coupling

open access: yesAdvanced Materials, EarlyView.
This work introduces a life‐like “living” polymer platform that can grow, degrow, and reprogram its properties after fabrication. By integrating mass transport, reversible polymerization, and controlled catalysis, the material achieves on‐demand changes in size, shape, and mechanical properties.
Jiahe Huang   +9 more
wiley   +1 more source

THE The Role of the Indonesian Navy (TNI AL) and the Royal Saudi Naval Forces In Maritime Security: A Comparative Study on Counterterrorism Efforts

open access: yesInternational Journal of Islamic Education, Research and Multiculturalism
Abstrak Keamanan maritim telah menjadi isu strategis yang semakin menonjol dalam konteks pertahanan global dan regional. Laut, sebagai jalur utama perdagangan internasional dan logistik energi, sangat rentan terhadap eksploitasi oleh aktor non-negara
Muhammad Saleh Cahyadi Mohan   +2 more
doaj   +1 more source

A Comprehensive Review of the Application of Nanoparticles in Diabetic Wound Healing: Therapeutic Potential and Future Perspectives

open access: yesInternational Journal of Nanomedicine, 2022
Wenqi Qin,1 Yan Wu,1 Jieting Liu,1 Xiaohuan Yuan,1 Jie Gao2 1College of Life Science, Mudanjiang Medical University, Mudanjiang, People’s Republic of China; 2Changhai Clinical Research Unit, Shanghai Changhai Hospital, Naval Medical University, Shanghai,
Qin W, Wu Y, Liu J, Yuan X, Gao J
doaj  

Home - About - Disclaimer - Privacy