Results 1 to 10 of about 2,198,997 (290)

Texture and anisotropy of hot-pressed h-BN matrix composite ceramics with in situ formed YAG

Journal of Advanced Ceramics, 2022
Textured hexagonal boron nitride (h-BN) matrix composite ceramics were prepared by hot-pressing using different contents of 3Y2O3−5Al2O3 (molar ratio of 3:5) as the sintering additive.
Zhuo Zhang, Xiaoming Duan, Zhuo Tian, Yujin Wang, Lan Wang, Lei Chen, Baofu Qiu, Delong Cai, Peigang He, Dechang Jia, Yu Zhou   +10 more
doaj   +1 more source

Advances in Electrostatic Spinning of Polymer Fibers Functionalized with Metal-Based Nanocrystals and Biomedical Applications

Molecules, 2022
Considering the metal-based nanocrystal (NC) hierarchical structure requirements in many real applications, starting from basic synthesis principles of electrostatic spinning technology, the formation of functionalized fibrous materials with inorganic ...
Haojun Li, Meng Xu, Rui Shi, Aiying Zhang, Jiatao Zhang   +4 more
doaj   +1 more source

Ultracompact Multimode Meta-Microscope Based on Both Spatial and Guided-Wave Illumination

Advanced Devices & Instrumentation, 2023
Microscopic imaging technology is an indispensable foundation in the biomedical field, which enables powerful capability in bio-investigations. Aiming for more convenience and adaptability, a multifunctional microscope with a miniaturized scheme is a new
Xin Ye, Jiacheng Sun, Wei Jiang, Rongtao Yu, Chen Chen, Xingjian Xiao, Xiao Qian, Chunyu Huang, Yong Hu, Shining Zhu, Tao Li   +10 more
doaj   +1 more source

Thermal Optimization of Additively Manufactured Lightweight Concrete Wall Elements with Internal Cellular Structure through Simulations and Measurements

Buildings, 2022
Combining the additive manufacturing (AM) process of extrusion with lightweight concrete, mono-material but multi-functional elements with an internal cellular structure can be created to achieve good thermal performance of a wall at low resource ...
David Briels, Stefan Kollmannsberger, Felicitas Leithner, Carla Matthäus, Ahmad Saleem Nouman, Oguz Oztoprak, Ernst Rank   +6 more
doaj   +1 more source

Absolutely Integrable Functions

Formalized Mathematics, 2022
Summary The goal of this article is to clarify the relationship between Riemann’s improper integrals and Lebesgue integrals. In previous articles [6], [7], we treated Riemann’s improper integrals [1], [11] and [4] on arbitrary intervals.
openaire   +3 more sources

Systematic Design Approach for Functional Integration of Vehicular Wireless Power Transfers Modules

Computers, 2021
This paper presents a systematic design approach to the development of functionally integrated mechanical-electrical lightweight systems. The development of these systems requires the end-to-end consideration of all product domains involved, aspects of ...
Steve Zimmer, Martin Helwig, Peter Lucas, Anja Winkler, Niels Modler   +4 more
doaj   +1 more source

Electrospun Nanofibers as Chemosensors for Detecting Environmental Pollutants: A Review

Chemosensors, 2023
Electrospun nanofibers have shown their advantages for applications in a wide variety of scientific fields thanks to their unique properties. Meanwhile, electrospinning is closely following the fast development of nano science and nanotechnology to move ...
Yutong Du, Deng-Guang Yu, Tao Yi
doaj   +1 more source

Direct ink writing of continuous SiO2 fiber reinforced wave-transparent ceramics

Journal of Advanced Ceramics, 2020
This article reports the first example of 3D printed continuous SiO2 fiber reinforced wave-transparent ceramic composites via an adaptation of direct ink writing technology to improve the mechanical and dielectric properties of ceramics. The ceramic inks
Zhe Zhao, Guoxiang Zhou, Zhihua Yang, Xianqi Cao, Dechang Jia, Yu Zhou   +5 more
doaj   +1 more source

Preparation and anisotropic properties of textured structural ceramics: A review

Journal of Advanced Ceramics, 2019
Ceramics are usually composed of randomly oriented grains and intergranular phases, so their properties are the statistical average along each direction and show isotropy corresponding to the uniform microstructures.
Zhuo Zhang, Xiaoming Duan, Baofu Qiu, Zhihua Yang, Delong Cai, Peigang He, Dechang Jia, Yu Zhou   +7 more
doaj   +1 more source

Functional integration for Regge gravity [PDF]

, 1997
A summary is given of recent exact results concerning the functional integration measure in Regge gravity.Comment: 9 pages, AMSLaTex file; talk given at the Second Meeting on Constrained Dynamics and Quantum Gravity, Santa Margherita Ligure, Italy ...
Alvarez, Aurell, Bock, Cheeger, Ciafaloni, D'Hoker, Dowker, Dowker, Feinberg, Foerster, Friedberg, Ginsparg, Holm, Holm, Jevicki, Mazur, Menotti, Menotti, Moore, P. Menotti, P.P. Peirano, Polchinski, Polyakov, Regge, Welling   +24 more
core   +3 more sources