vapor pressure of a liquid
Diffusion controlled growth of semiconductor nanowires vapor pressure versus high vacuum deposition
Ngày tải lên :
16/03/2014, 15:32
... experimental data on the
length of GaAs nanowires grown by MBE on the
GaAs(1 11)B surface activated by Au drops within the tem-
perature range of 460–600 °C. It is seen that the average
growth rate of ... T. Takebe, M. Fujii, T. Yamamoto, K. Fujita, T. Watanabe, J. Appl.
Phys. 81 (1997) 7273.
[32] S. Koshiba, Y. Nakamura, M. Tsuchiya, H. Noge, H. Kano, Y.
Nagamune, T. Noda, H. Sakaki, J. Appl. ... Marcoussis, France
Available online 20 April 2007
Abstract
Theoretical model of nanowire formation is presented, that accounts for the adatom diffusion from the sidewalls and from the sub-
strate...
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one - step fabrication of a polyaniline nanofiber vapor sensor
Ngày tải lên :
20/03/2014, 13:05
... sensors, Anal. Chim. Acta 475 (2003) 1–15.
[4] D.S. Sutar, N. Padma, D.K. Aswal, S.K. Deshpande, S.K. Gupta, J.V. Yakhmi, Prepa-
ration of nanofibrous polyaniline films and their application as ammonia ... 2(b). The mean thickness of the films was about
4 m for unirradiated polyaniline and about 8 m for samples irra-
diated for about 30 min. The larger thicknesses of the irradiated
samples are consistent ... using adhesive tape.
2.4. Characterization
For the solvents reported here, argon gas was passed through a
bubbler containing neat liquid samples and then over the sensor.
The concentration of vapors...
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báo cáo hóa học: "Initial development and testing of a novel foam-based pressure sensor for wearable sensing" doc
Ngày tải lên :
19/06/2014, 10:20
... courtesy of the University of Bath, England, showed
that the stress-strain profile of the unadulterated PU foam
sample and that of the PPy-coated PU foams sample were
similar showing regions of elastic ... washability of components is important to
the preservation of normal user patterns of care and main-
tenance of clothing.
In the torso integration, the raw pilot test data indicates
that foam ... the initial baseline resistance, R
0
. It can be
seen in Figure 3b that there was an approximate 20%
change in the relative resistance of the foam sensor
between inhalation and exhalation.
Shoulder...
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Báo cáo hóa học: " A Temperature Window for the Synthesis of Single-Walled Carbon Nanotubes by Catalytic Chemical Vapor Deposition of CH4 over Mo2-Fe10/MgO Catalyst" pptx
Ngày tải lên :
22/06/2014, 00:20
... temperature
window is important for large-scale production of
SWCNTs by catalytic chemical vapor deposition method.
Keywords Single-walled carbon nanotubes Á
Catalytic chemical vapor deposition Á Raman spectroscopy
Introduction
Since ... temperature increases to 950 °C, only a few
SWCNTs are shown in the results and are coated by plenty
of amorphous carbons.
Conclusions
A temperature window of SWCNTs growth by catalytic
chemical vapor ... potential applications in many
fields. A single-walled nanotube can be described as a
single layer of a graphite crystal that is rolled up into a
seamless cylinder, with both ends capped with...
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Báo cáo lâm nghiệp: "Contribution of different solutes to the cell osmotic pressure in tap and lateral roots of maritime pine seedlings: effects of a potassium deficiency and of an all-macronutrient deficienc" pptx
Ngày tải lên :
09/08/2014, 04:20
...
ultrapure
water
as
eluant.
2.4.3.
Amino-acid
analysis
Extraction
was
carried
out
at
4
°C.
40
μL
of
an
internal
standard
(α-butyric
acid)
were
added
to
samples ...
of
a
bunch
of
primary
leaves),
of
the
tap
root
(TR)
and
of
the
three
longest
lateral
roots
(LR;
as
an
assessment
of
the
length
of
the
lat-
eral
roots)
of
each
plant ...
content
varies
with
water
availability
and
also
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báo cáo khoa học: " The implementation of a translational study involving a primary care based behavioral program to improve blood pressure control: The HTN-IMPROVE study protocol " pot
Ngày tải lên :
10/08/2014, 10:23
... organizational model of
implementation suitable for complex innovations and
adapted to the context of clinical practice. An additional
product of this phase of the study is an evaluation of
approaches ... three
phases: data coding, within-case analysis, and between-
case analysis. In the first phase, we use qualitative data
analysis software (ATLAS.ti 5.2) to code the study data.
The conceptual model ... to advance scientific knowledge
about the challenges of intervention implementation and
sustainability. Furthermore, an examination of organiza-
tional barriers and facilitators of evidence-based...
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Báo cáo y học: " Prompt improvement of a pressure ulcer by the administration of high viscosity semi-solid nutrition via a nasogastric tube in a man with tuberculosis: a case report" pdf
Ngày tải lên :
11/08/2014, 14:21
... (mongoloid race, Japanese) with tuberculosis, a pressure ulcer and
malnutrition was admitted to our hospital. He also had right hemiplegia, dysphagia and aphasia as sequelae of a
cerebral hemorrhage. ... kc al/day of liquid
* Correspondence: shayashi@kch.hosp.go.jp
National Hospital Organization Kinki-Chuo Chest Medical Center, Nagasone-
Cho, Kita-Ku, Sakai-City, Osaka, 591-8555, Japan
Nakayama ... pyrazinamide on the f irst
daythathewashospitalized.Hehaddevelopedacere-
bral hemorrhage 18 months before this hospitalization,
and he had right hemiplegia, dysphagia, and aphasia as
sequelae. He had...
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The Design and Implementation of a Log-Structured File System
Ngày tải lên :
12/09/2012, 15:05
... log as the most up to date ‘‘truth’’ about
the state of the data on disk. The main difference is that
database systems do not use the log as the final repository
for data: a separate data area is ... purpose.
The separate data area of these database systems means
that they do not need the segment cleaning mechanisms of
the Sprite LFS to reclaim log space. The space occupied
by the log in a database system ... The bandwidth of each of the five phases is
shown separately. Sprite LFS has a higher write bandwidth and
the same read bandwidth as SunOS with the exception of sequen-
tial reading of a file that...
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The Duality of Memory and Communication in the Implementation of a Multiprocessor Operating System
Ngày tải lên :
12/09/2012, 15:05
... in nature to a data manager which fails to free
data, but is easier to detect and prevent.
• Data manager changes data. A malicious data manager may change the value of its data on each cache
refresh. ... data. It is usually made
in response to a pager_data_request call made to the data manager by the kernel.
Typical data managers will only provide data upon demand (when processing pager_data_request ... it
initiates a cache replacement.
A data manager may restrict the use of cached data by issuing a pager_data_lock request, specifying the types of
access (any combination of read, write, and execute)...
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- 1.3K
- 1
List the components of a radio system
Ngày tải lên :
13/09/2012, 10:52
... slots
–
Each user is assigned the entire frequency for the
transmission
•
For a fraction of time on a fixed, rotating basis
–
Advantages
•
Uses the bandwidth more efficiently
•
Allows both data and ... 25
Signal Strength (continued)
19
Multiple Access (continued)
•
Code Division Multiple Access (CDMA) (continued)
–
Advantages
•
Can carry up to three times the amount of data as TDMA
•
Transmissions ... shape of the input signal exactly
11
Multiple Access (continued)
•
Frequency Division Multiple Access (FDMA)
–
Divides the bandwidth of a channel into several smaller
frequencies bands
–
Cable...
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