Preparation of self-supported dual-phase oxygen permeation membranes via chemical etching method

2013 ◽  
Vol 48 (3) ◽  
pp. 1160-1165 ◽  
Author(s):  
Qiming Li ◽  
Fang Li
2007 ◽  
Vol 18 (36) ◽  
pp. 365603 ◽  
Author(s):  
J Zhu ◽  
Z Liu ◽  
X L Wu ◽  
L L Xu ◽  
W C Zhang ◽  
...  

2001 ◽  
Vol 50 (12) ◽  
pp. 2382
Author(s):  
SUN JIA-LIN ◽  
TIAN GUANG-YAN ◽  
LI QIN ◽  
ZHAO JUN ◽  
GUO JI-HUA ◽  
...  

Author(s):  
A. N. Kuznetsov ◽  
S. A. Doberstein ◽  
I. V. Veremeev

This paper presents the data for frequency trimming of the single port STW resona-tors in a frequency range of 500–1000 MHz by plasma chemical etching method. The main parameters of resonators after frequency trimming are given: frequency tolerance <±100·10–6, quality factor of 8600–9500, equivalent elements needed for use of the STW resonators.


2011 ◽  
Vol 239-242 ◽  
pp. 2270-2273 ◽  
Author(s):  
Yong Feng Luo ◽  
Hai Yan Lang ◽  
Jin Liang ◽  
Guo Sheng Peng ◽  
You Hua Fan ◽  
...  

A facial chemical etching method was developed for fabricating stable super-hydrophobic surfaces on aluminum alloy foils. The microstructure and wettability of super-hydrophobic surfaces were characterized by scanning electron microscopy, water contact angle (CA) measurement, and optical methods. The surfaces of the modified aluminum alloy substrates exhibit superhydrophobicity, with a CA of 164.8°±1.6° and a water sliding angle of about 5°. The etched surfaces have binary structure consisting of the irregular microscale plateaus and caves in which there are the nanoscale block-like convexes and hollows.


2014 ◽  
Vol 30 (12) ◽  
pp. 1174-1180 ◽  
Author(s):  
Bo Jiang ◽  
Hongwei Cheng ◽  
Longfei Luo ◽  
Xionggang Lu ◽  
Zhongfu Zhou

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