Results 31 to 40 of about 1,937,707 (280)

Dimensionally stable water-blown polyurethane foam extended with bio-based propylene glycol and modified with paper waste sludge

Engineering Structures and Technologies, 2017
Paper waste sludge (PWS) is the main and the greatest by-product in paper production process, and its elimination as well as destruction is a primary environmental problem.
Agnė Kairytė, Aiga Ivdre, Saulius Vaitkus   +2 more
doaj   +1 more source

F127 Assisted Synthesis of Tri-(Fe/F/N)-doped Porous Carbons with a High Density of Fe3C and Fe-N4 Catalytic Sites as Efficient Electrocatalysts for ORR

International Journal of Electrochemical Science, 2021
Because of the slow reaction rate of the oxygen reduction reaction (ORR), high-performance catalysts are needed to accelerate the reaction. However, platinum (Pt)-based electrocatalysts have the shortcomings of high cost and poor stability.
Kai Niu, Min Li, Xiaohong Chen, Zehan Liu, Xiaohan Liao, Hong Li, Feng Liu, Wei Feng, Li Wang, Yecheng Zou, Yongming Zhang   +10 more
doaj   +1 more source

The investigation of expanded polystyrene creep behaviour

MATEC Web of Conferences, 2017
The results obtained in long-term testing under constant compressive stress of the cut from the Slabs EPS 50/100 and EPS 150 with the density ranging from 15 to 24 kg/m3, which were manufactured by the same manufacturer by foaming EPS solid granules ...
Zhukov Aleksey, Semenov Vyacheslav, Gnip Ivan, Vaitkus Saulus   +3 more
doaj   +1 more source

Core-shell structured silk Fibroin/PVDF piezoelectric nanofibers for energy harvesting and self-powered sensing

Nano Materials Science, 2022
The development of wearable and portable electronics calls for flexible piezoelectric materials to fabricate self-powered devices. However, a big challenge in piezoelectric material design is to boost the output performance while ensuring its flexibility
Siqi Wang, Kunming Shi, Bin Chai, Shichong Qiao, Zhuoli Huang, Pingkai Jiang, Xingyi Huang   +6 more
doaj   +1 more source

Porous materials for thermal management under extreme conditions [PDF]

, 2006
A brief analysis is presented of how heat transfer takes place in porous materials of various types. The emphasis is on materials able to withstand extremes of temperature, gas pressure, irradiation, etc., i.e.
T.W Clyne, Clyne, T.W., Markaki, AE, Golosnoy, I.O., Tan, J.C., Clyne, TW, J.C Tan, ,, Markaki, A.E., A.E Markaki, Tan, Jin Chong, Golosnoy, IO, I.O Golosnoy, Tan, JC   +13 more
core   +1 more source

High Conduction Band Inorganic Layers for Distinct Enhancement of Electrical Energy Storage in Polymer Nanocomposites

Nano-Micro Letters, 2022
Dielectric polymer nanocomposites are considered as one of the most promising candidates for high-power-density electrical energy storage applications.
Yingke Zhu, Zhonghui Shen, Yong Li, Bin Chai, Jie Chen, Pingkai Jiang, Xingyi Huang   +6 more
doaj   +1 more source

Thermal-oxidative degradation behavior and process of vulcanized styrene-butadiene rubber

Hecheng xiangjiao gongye, 2021
The thermal oxidative degradation behavior and process of vulcanized styrene-butadiene rubber (SBR) at high temperature was studied by the sol-gel analysis, equilibrium swelling method, Fourier transform infrared spectroscopy coupled with mass ...
ZHANG Zhen; MA Lan; FANG Jia-yi; WANG Shi-feng
doaj   +1 more source

The effect of carbon and polypropylene fibers on thermal shock resistance of the refractory castable

Journal of Civil Engineering and Management, 2017
This work investigates medium cement refractory castable with additives of carbon and polypropylene fibers. The peculiarities of microstructure changes in the fiber and castable matrix contact zone, channel formation, and changes of cold crushing ...
Valentin Antonovič, Jerzy Witek, Romualdas Mačiulaitis, Renata Boris, Rimvydas Stonys   +4 more
doaj   +1 more source

Space charge behavior in multi-layer oil-paper insulation under different DC voltages and temperatures [PDF]

, 2010
Oil-paper as a reliable insulation system is widely used in power transformers and cables. The dielectric properties of oil-paper insulation play an important role in the reliable operation of power equipment. However, the formation and dynamics of space
Liao, Rujin, Fu, Mingli, Chao Tang, Rui-jin Liao, G. Chen, M. Fu, Tang, Chao, Chen, George   +7 more
core   +1 more source

Rational Materials and Structure Design for Improving the Performance and Durability of High Temperature Proton Exchange Membranes (HT‐PEMs)

Advanced Science, 2023
Hydrogen energy as the next‐generation clean energy carrier has attracted the attention of both academic and industrial fields. A key limit in the current stage is the operation temperature of hydrogen fuel cells, which lies in the slow development of ...
Jingnan Song, Wutong Zhao, Libo Zhou, Hongjie Meng, Haibo Wang, Panpan Guan, Min Li, Yecheng Zou, Wei Feng, Ming Zhang, Lei Zhu, Ping He, Feng Liu, Yongming Zhang   +13 more
doaj   +1 more source