Results 21 to 30 of about 13,990 (163)

Paleogeotectonic position of the Kyzyk Chadr copper-porphyry ore field (Republic of Tyva)

Руды и металлы, 2023
Regional-scale localization conditions of the Kyzyk-Chadr molybdenum-copper porphyry ore field in the southern folded frame of the Siberian Platform are considered.
Starostin I. A., Chernykh A. I., Girfanov M. M.   +2 more
doaj   +1 more source

Preparation of Ta/W Composite by CVD

Journal of Aeronautical Materials, 2017
The Ta/W composites with 10%W, 13%W and 18%W were prepared by chemical vapor deposition (CVD). The properties of Ta/W composites were investigated by optical microscopy (OM), scanning electron microscopy (SEM ) and tensile test.
QI Xiaohong, ZHENG Xu, CAI Hongzhong, LIU Shaopeng, HU Changyi, WEI Yan   +5 more
doaj   +1 more source

First Principles Calculation of the Effect of Cu Doping on the Mechanical and Thermodynamic Properties of Au-2.0Ni Solder

Molecules
To meet the demands for high-temperature performance and lightweight materials in aerospace engineering, the Au-Ni solder is often utilized for joining dissimilar materials, such as Ti3Al-based alloys and Ni-based high-temperature alloys.
Yan Wei, Hua Dai, Li Chen, Xian Wang, Hongzhong Cai, Jiankang Zhang, Ying Xu, Xingqiang Wang, Junmei Guo, Zhentao Yuan, Xiao Wang   +10 more
doaj   +1 more source

Research progress on new materials and properties of electronic skin

工程科学学报, 2020
Human skin is an extraordinary organ; it comprises an integrated，stretchable network of sensors that transmits information to the brain about tactile and thermal stimuli, enabling us to safely and efficiently operate in our environment.
Su-wei WAN, Jia-lin CHEN, Shi-hong LI, Jun-peng LI   +3 more
doaj   +1 more source

Fabrication and mechanical properties of porous tantalum carbon composites by chemical vapor deposition

Scientific Reports
This study investigates the deposition of tantalum (Ta) coatings on carbon foams using the chemical vapor deposition (CVD) method to enhance their compressive strength.
Junyu Zhu, Wenting Li, Hongzhong Cai, Xian Wang, Xingqiang Wang, Wuxun Zhu, Yan Wei, Xuming Li, Xingdong Zhao, Guixue Zhang, Haohong Jiang   +10 more
doaj   +1 more source

Synthesis and Performance of Deep-Red Phosphorescent Iridium Complexes with Pyrone as an Auxiliary Ligand

Molecules
Two bis-cyclometalated heteroleptic iridium complexes incorporating 1-phenylisoquinoline (piq) as the main cyclometalating ligand and 3-hydroxy-2-methyl-4-pyrone (ma) or 2-ethyl-3-hydroxy-4H-pyran-4-one (ema) as the auxiliary ligand, namely Ir(piq)2(ma) (
Wen Jiang, Wenming Hou, Caixian Yan, Zhifeng Nie, Qiaowen Chang, Xiangguang Li, Weiping Liu   +6 more
doaj   +1 more source

Microstructure and mechanical properties of NiV/Cu joints by diffusion welding

Hanjie xuebao
In response to the need for high-quality weldingof NiV alloy targets, the vacuum hot press diffusion welding of NiV alloy and oxygen-free copper without an intermediate layer was investigated at different temperatures under a fixed pressure of 20 MPa and
Hai PENG, Jingyu LI, Ke TANG, Ming WEN, Sixie LI, Chuanjun WANG   +5 more
doaj   +1 more source

Pt-Sn/SAPO-11: A preferred high-performance, stable, and regenerable hydrogenation catalyst for Jatropha oil

Fuel Processing Technology
The sustainable aviation fuel derived from Jatropha oil helps to reduce the dependence of the aviation industry on fossil energy and decrease total carbon emissions.
Miaoxin Guo, Qiang Liu, Junchen Du, Feng Feng, Yubao Chen, Aimin Zhang   +5 more
doaj   +1 more source

The state and prospects of development of the mineral resource base of solid minerals of the Bolivarian Republic of Venezuela

Руды и металлы, 2022
The status and prospects of the mineral resource base of solid minerals of the Bolivarian Republic of Venezuela, as well as possibilities for developing the Russian-Venezuelan cooperation in the field of geology and mineral resource management are ...
Aslambek A. Germakhanov, Alexander I. Chernykh, Mikhail M. Girfanov, Valery A. Istomin, Andrey S. Svatkov   +4 more
doaj   +1 more source

Comparison of Electrochemically Deposited Bi and Sn Catalysts onto Gas Diffusion Electrodes for the Electrochemical CO₂ Reduction Reaction to Formate

Applied Sciences, 2023
In this publication, we report about the selectivity and stability of bismuth (Bi)- and tin (Sn)-based electrocatalysts for the electrochemical CO2 reduction reaction (eCO2RR) for formate production.
Mila Manolova, Joachim Hildebrand, Sebastian Hertle, Şeniz Sörgel, Holger Kassner, Elias Klemm   +5 more
doaj   +1 more source