نتایج جستجو برای: ultralight high
تعداد نتایج: 2059659 فیلتر نتایج به سال:
Abstract In recent years, a significant number of one- and two-seat lightweight helicopters have come into existence, this makes it possible to analyse parameters determine dependencies for class helicopters. the knowledge such is necessary at preliminary design stage. analysis performed in paper its comparison with statistical data all categories made corrections methods determining helicopter...
Manufacturing of aerogels and membranes from hexagonal boron nitride (h-BN) is much more difficult than from graphene or graphene oxides because of the poor dispersibility of h-BN in water, which limits its exfoliation and preparation of colloidal solutions. Here, a simple, one-step mechano-chemical process to exfoliate and functionalize h-BN into highly water-dispersible, few-layer h-BN contai...
The widespread technological introduction of graphene beyond electronics rests on our ability to assemble this two-dimensional building block into three-dimensional structures for practical devices. To achieve this goal we need fabrication approaches that are able to provide an accurate control of chemistry and architecture from nano to macroscopic levels. Here, we describe a versatile techniqu...
As constraints on ultralight axion-like particles (ALPs) tighten, models with multiple species of ALP are increasing interest. We perform simulations two-ALP in the currently supported range [arXiv:1307.1705] plausible masses. The code we modified, UltraDark.jl, not only allows for different masses, but also self-interactions and inter-field interactions. This us to first three-dimensional two-...
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