Results 31 to 40 of about 616,823 (223)

One step synthesis of 3D BaTiO3@C for novel electromagnetic shielding of epoxy composites [PDF]

E3S Web of Conferences
The ever-increasing electromagnetic interference (EMI) pollution becomes an important issue in current environmental protection and human society. In this work, 3D BaTiO3(3DBT)@C porous ceramic framework was one-step fabricated by sol-gel method using ...
Zhang Dongmei, Yang Yongzhi, Liu Xiaoqian, Xu Runhan, Li Yuchao, Guo Wenbin, Wang Shuangshuang, Xie Qian, Liao Chengzhu   +8 more
doaj   +1 more source

Progress in the Preparation of Large-Size High-Performance CuCr Alloys

Advances in Materials Science and Engineering, 2022
CuCr contact material, whose mass fraction of Cr is generally in the range of 25% to 50%, is one of the most desirable contact materials for medium- and high-voltage vacuum switches.
Jin-Ru Han, Zhi-He Dou, Ting-An Zhang, Wang An   +3 more
doaj   +1 more source

Computer assisted electromagnetic navigation improves accuracy in computed tomography guided interventions: A prospective randomized clinical trial. [PDF]

PLoS ONE, 2017
PURPOSE:To assess the accuracy and usability of an electromagnetic navigation system designed to assist Computed Tomography (CT) guided interventions. MATERIALS AND METHODS:120 patients requiring a percutaneous CT intervention (drainage, biopsy, tumor ...
Pierre Durand, Alexandre Moreau-Gaudry, Anne-Sophie Silvent, Julien Frandon, Emilie Chipon, Maud Médici, Ivan Bricault   +6 more
doaj   +1 more source

In-situ growth of SiC nanowires@carbon nanotubes on 3D printed metamaterial structures to enhance electromagnetic wave absorption

Materials & Design, 2021
Impedance matching and attenuation principles are decisive for electromagnetic wave (EMW) absorption materials to achieve wider absorption bandwidth and higher strength absorption.
Hui Mei, Wenqiang Yang, Xing Zhao, Li Yao, Yongtao Yao, Chao Chen, Laifei Cheng   +6 more
doaj   +1 more source

Preparation and property of epoxy composites reinforced by three-dimensional graphene-pyrrole aerogel

Cailiao gongcheng, 2022
Lightweight and cellular-structured graphene-pyrrole (G-P) aerogels /epoxy composites were prepared basing on the three-step fabrication process which involving infiltration of epoxy resin into G-P aerogels under vacuum atmosphere.
WANG Mu, ZENG Xiamao, MIAO Xia, WEI Haoguang, ZHOU Shiming, FENG Anchao   +5 more
doaj   +1 more source

Highly Conductive PDMS Composite Mechanically Enhanced with 3D-Graphene Network for High-Performance EMI Shielding Application

Nanomaterials, 2020
A highly conductive three-dimensional (3D) graphene network (GN) was fabricated by chemical vapor deposition on a 3D nickel fiber network and subsequent etching process.
Dongyi Ao, Yongliang Tang, Xiaofeng Xu, Xia Xiang, Jingxia Yu, Sean Li, Xiaotao Zu   +6 more
doaj   +1 more source

Adaptive Foam 3D Printing of Ultralight and Multifunctional Materials

Advanced Engineering Materials, EarlyView.
Adaptive foam 3D printing, enabled by expandable microspheres, imparts cellular structures to thermoplastic and thermosetting polymers, manufactured through a variety of processes including fused filament fabrication, direct ink writing, digital light processing, and inkjet printing.
Nariman Rajabifar, Amir Ameli
wiley   +1 more source

Multi-Functional Properties of MWCNT/PVA Buckypapers Fabricated by Vacuum Filtration Combined with Hot Press: Thermal, Electrical and Electromagnetic Shielding

Nanomaterials, 2020
The applications of pure multi-walled carbon nanotubes (MWCNTs) buckypapers are still limited due to their unavoidable micro/nano-sized pores structures.
Liyang Cao, Yongsheng Liu, Jing Wang, Yu Pan, Yunhai Zhang, Ning Wang, Jie Chen   +6 more
doaj   +1 more source

Infiltration characteristics of furrow irrigation in a heavy-textured soil [PDF]

, 1972
The objective of this thesis is to study the rate and pattern of infiltration of soil water, under the conditions of heavy texture and shallow depth in a tropical furrow- irrigated soil.
Grassi, C.J.
core  

Digital processing methods of images and signals in electromagnetic infiltration process

Image Processing & Communications, 2013
Abstract The article contains information about the capabilities of electromagnetic infiltration process in case of occurrence of strong interfering signals. As a methods supporting infiltration process used method of digital processing of signals and images in the form of histogram transformations, global and local thresholding of ...
openaire   +1 more source