ethanol and ozone sensing characteristics of wo3 based sensors activated by au and pd
ethanol and ozone sensing characteristics of wo3 based sensors activated by au and pd
... Sensors and Actuators B 120 (2006) 338–345
Review
Ethanol and ozone sensing characteristics of WO
3
based
sensors activated by Au and Pd
A. Labidi
a,b
, E. Gillet
a
, ... WO
3
bare, Au/ WO
3
and Pd/ WO
3
based sensors towards 2% of C
2
H
6
O and dry air (baseline) at 300
◦
C
2% of Ethanol (C
2
H
6
O)
WO
3
a
WO
3
+Au
a
WO
3
+Pd
a
Dry air
b
Eth...
glucose - mediated hydrothermal synthesis and gas sensing characteristics of wo3 hollow microspheres
... fur-
Fig. 7. Dynamic sensing transients of (a) R30-RH and (b) R30 sensors and (c) gas responses (R
g
/R
a
) of R30-RH and R30 sensors to 0.5–2.5 ppm NO
2
.
C Y. Lee et al. / Sensors and Actuators B ... volume.
3.4. Gas sensing characteristics
As stated above, the gas responses of the R5 and R0.5 powders
were negligible. Thus, the gas responses of the R30-RH and...
influence of binders on the sensing and electrical characteristics of wo3-based gas sensors
... Ž.
Sensors and Actuators B 60 1999 71–77
www.elsevier.nlrlocatersensorb
Influence of binders on the sensing and electrical characteristics of
WO -based gas sensors
3
Jong-In Yang
a
, ... binders affect the sensing characteristics
of WO -based gas sensors mainly through the modification of chemical conditions at grain boundary rather than the modification of grain...
electrical and gas - sensing properties of wo3 semiconductor material
... concentration
properties of the WO
3
-based sensors were investigated. The sensor based on WO
3
exhibited high sensitivity and good
response characteristics to ethanol gas. The electrical properties of WO
3
were ... concentration of NO
x
gas [6]. However,
most reports focused on the NO
x
gas sensors, and the
study of sensing to other gases was rare. In this paper,
we...
study of wo3-based sensing materials for nh3 and no detection
... 1999
Abstract
Gas sensing materials of WO loaded with 1 wt.% metal oxides were prepared and applied for NH and NO detection. The
3 3
measurement of NH and NO sensing properties of the materials ... rR and Ss R rR , respectively, for
ag ga
NH and NO, where R and R were resistances of
3ag
sensing element in air and in sample gas.
3. Results and discussion
Fig. 1 sh...
Tài liệu LAND-BASED POLLUTION SOURCES: A global Synopsis of Land-Based Pollui on Sources science and transboundary management pdf
...
to reduce impacts of land -based sources of pollution;
and to increase public awareness and understanding of
the effects of land -based sources of pollution on water
quality of the coastal ecosystems.
2.2 ... Land -based Activities
Issues concerning “pollution” in these projects are
addressed as both “land -based (Fig. 1a) and “sea-
based . Nearly 42 per cent of th...
Tài liệu Báo cáo khoa học: The structure and biological characteristics of the Spirochaeta aurantia outer membrane glycolipid LGLB pdf
... min), dried and analyzed by GC-MS with the standards
prepared from
D
-GalN and (R)- and (S)-2-BuOH.
The absolute configuration of
L
-aspartic acid was deter-
mined by chiral HPLC of the oligosaccharide ... Fragments of HSQC and HMBC
spectra of compound 1. Labels illustrate
assignment of the amide linkage between the
amino group of Asp and the carboxyl group of
GalA...
gas sensing properties of wo3 doped rutile tio2 thick film at high operating temperature
... induce
grain growth of the sensing films in sensors operating at high
temperature ($500 °C) and decreases the sensors sensitivity [7].
It is known a specific surface area of the sensing film is decreased
with ... decreased
with increase of grain size [1]. So, the grain growth of the sensing
film induces low sensitivity of the sensor. On the other hand, ther-
mally stable, rut...
gas - sensing properties of tin oxide doped with metal oxides and carbon
... hieu@itims.edu.vn,
hieunv-itims@mail.hut.edu.vn (N. Van Hieu).
sensing- device. The CNTs are hollow nanotube and p-type semi-
conductor, therefore the enhancement of the sensing performance
of the sensors based on CNTs/SnO
2
hybrid ... represented
in [4,5,10].
Ethanol gas sensors are extensively used for the control of
drunken driving and monitoring of fermentation and...
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