powder surface area and porosity
Tài liệu Conditions of the surface water and ground water resources in the rural area of the Mekong Delta, Vietnam pptx
Ngày tải lên :
16/01/2014, 17:20
... characterized by an agricultural land use with farms, mainly cropping
rice and fruits. Some of the farms maintain small animal husbandries and fishponds. Surface
water, rain water and ground water are used ...
problems of the surface water bodies are the high amount of suspended solids and hygieni-
cally pollutants.
5. Conclusions and Outlook
Regarding the ground water and the surface water quality ... consists of middle to coarse sand.
3. Methods
For the appraisal of the surface water and ground water resources water sampling and
analyses regarding the chemical and microbiological conditions...
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- 693
- 0
preparation and characterization of high surface area nanosheet titania with mesoporous structure
Ngày tải lên :
20/03/2014, 13:06
... JEM-200CX), and selected-
area electron diffraction (SAED ). The Brunauer–Emmett –
Teller (BET) specific surface area was determined by nitrogen
adsorption (BEL Japan, BELSORP-18 Plus).
3. Results and ... °C.
2975S. Pavasupree et al. / Materials Letters 61 (2007) 2973–2977
surface area and pore volume of the sample are about 642 m
2
/g
and 0.774 cm
3
/g, respectively. The nanosheet structure after
calcinations ... had an average pore diameter about 3–
4 nm. The BET surface area and pore volume of the as-synthesized
nanosheet TiO
2
are about 642 m
2
/g and 0.774 cm
3
/g, respectively. The
as-synthesized...
- 5
- 462
- 0
Báo cáo y học: "HLA-DR regulation and the influence of GM-CSF on transcription, surface expression and shedding
Ngày tải lên :
03/11/2012, 09:57
... sections through
the cell to observe surface and intracellular staining. Figures 3a-d show the intracellular and surface
staining of PBMC in a healthy control and from a septic patient. These images ... transcriptional
events and shedding of surface HLA-DR, as well as the regulation of HLA-DR by
GM-CSF and an immunomodulatory cytokine. Plasma and PBMC were collected
from septic patients and healthy volunteers. ...
mRNA production, and/ or post-translational modification of HLA-DR affecting processing to the cell
surface. Alternatively, HLA-DR could be cleaved from the monocyte surface and shed into the...
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- 618
- 0
Configuring a Stub Area and a Totally Stubby Area
Ngày tải lên :
27/10/2013, 08:15
... 5.8.2 Copyright 2001, Cisco Systems, Inc.
5.8.2: Configuring a Stub Area and a Totally Stubby Area
AREA 0
STUB
AREA 2
AREA 1
Lo0 192.168.3.1 /24
S0/1 192.168.208.1 /30Fa0/0 192.168.1.3 /24
Lo0 ... its ABR for all nonlocal area
traffic, you decide to filter Type 3 and Type 4 interarea routes from Area 2. To do this,
you must configure Area 2 as a totally stubby area, which is a Cisco proprietary ... following commands on SanJose3, the ABR, to configure Area 2 as a totally
stubby area:
SanJose3(config)#router ospf 1
SanJose3(config-router)#no area 2 stub
SanJose3(config-router) #area 2 stub...
- 5
- 361
- 0
Tài liệu Báo cáo khoa học: Phosphorylation of hormone-sensitive lipase by protein kinase A in vitro promotes an increase in its hydrophobic surface area ppt
Ngày tải lên :
18/02/2014, 11:20
... bis-ANS and HSL. The concentrations of bis-ANS used were 1.5 l
M and 2.0 lM in (A) and (B), respectively. HSL was
phosphorylated with 15 l
M ATP in the reaction mix, and mixed with SYPRO Orange, and ... turn-
over rate and S
0.5
[11].
In this study, we provide evidence that HSL gains
accessible hydrophobic surface area upon PKA phos-
phorylation. This gain in hydrophobic surface area
presumably ... italic) and
pVL1393–HSL [18] as template was digested using XbaI
and BssHII and subcloned into pVL1393–HSL. PCR was
performed using Vent polymerase (New England Biolabs,
Ipswich, MA, USA), and the...
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- 562
- 0
High specific surface area porous sic ceramics coated with reticulated amorphous sic nanowires
Ngày tải lên :
16/03/2014, 15:17
... specific surface area
and porosity of the as-synthesized materials can be up to 112 m
2
g
À1
and 81%, respectively. The coated amorphous SiC nanowires have
uniform structure and smooth surfaces. ... nano-
wires. The specific surface area, median pore diameter
(volume), median pore diameter (area) , average pore
diameter (4 V A
À1
), bulk density, apparent density, and
porosity of the fabricated ... turn-on field and threshold field are about 2.9 and 6.7 V mm
À1
,
respectively. This kind of materials may simultaneously possess the unique properties of porous materials, SiC, and nanowires. And they
may...
- 5
- 297
- 1
gas sensing characteristics and porosity control of nanostructured films
Ngày tải lên :
19/03/2014, 16:48
... 1(b). On the other hand, the treatment at 200 and
230
◦
C resulted in the formation of tubular TiO
2
of 1 m and 50 nm
in length and diameter, respectively, as shown in Fig. 1(c) and (d).
With increasing ... [12], batteries [13], and
pigments [14]. For gas sensor applications, it has been reported that
TiO
2
with a large surface area shows good sensing properties to CO
[7],H
2
[8], and NO
x
[9]. The ... high specific
surface area and thus TiO
2
nanotubes prepared by a hydrother-
mal method have been successfully utilized for photocatalysis [24],
dye-sensitized solar cells [25], and lithium-ion...
- 8
- 1.3K
- 0
studies in surface science and catalysisAAAA4cMETHODS FOR MONITORING AND DIAGNOSING THE potx
Ngày tải lên :
28/03/2014, 18:20
... HC and CO
in
the exhaust gas as
shown
in
Fig. 8b and is reduced to
N2.
In
this way, when the
NO2
on the surface
of
the
platinum Pt reacts with HC and CO
in
the reducing agent, and ...
absorbent and quickly reduced to
N2.
The HC and CO component in the
exhaust gas immediately react with the
0,
or
02-
on the platinum Pt and are oxidized, and
subsequently if the HC and CO ... temperatures. This enhances reduction of the alumina surface area and
sintering of the noble metals resulting
in
losses of effective catalytic area.
support pore structure linteractions
(MetaVmetal...
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- 488
- 0
surface effects and contact mechanics ix
Ngày tải lên :
06/05/2014, 11:36
... 1743-3533 (on-line)
6 Surface Effects and Contact Mechanics IX
Surface Effects and
Contact Mechanics IX
Editors:
J.T.M. De Hosson
University of Groningen, The Netherlands
C.A. Brebbia
Wessex ... 1743-3533 (on-line)
Surface Effects and Contact Mechanics IX 25
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- 370
- 0
Describe wireless wide area networks (WWANs) and how they are used
Ngày tải lên :
13/09/2012, 10:52
... Cellular Telephony
•
Third Generation (3G)
–
Intended to be a uniform and global standard for
cellular wireless communication
•
Standard data rates
–
144 Kbps for a mobile user
–
386 Kbps for a slowly ... network and the wired
telephone world
–
Controls all transmitters and base stations
3
Cellular Telephone Applications
•
Digital cellular telephones can be used to:
–
Browse the Internet
–
Send and ... corporate networks
–
Watch television or on-demand movies
–
Take and transmit pictures and short movies
–
Locate family members and employees using GPS
24
Java
•
Java programming language
–
Developed...
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- 0
Hydraulic modeling of open channel flows over an arbitrary 3-d surface and its applications in amenity hydraulic engineering
Ngày tải lên :
06/11/2012, 10:35
... and Hosoda T.: Water surface profile analysis of open channel flows over a
circular surface. Journal of Applied Mechanics, JSCE, Vol. 8, pp 847-854, 2005.
5. Anh T. N. and Hosoda T.: Free surface ... curvilinear coordinates for prediction of flow pattern in
meandering channel with 60
o
and 90
o
bend, and also with compound meandering channel.
In this study, the Cartesian velocity components ... the
model predicted the water surface profile and velocity distribution well in simple
channels, and the predictions of the model in main channel of compound meandering
channel were also in...
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- 595
- 0
- listening and speaking
- mode sensors and switches
- voltage supply and bu
- mechanisms and mechanical devices sourcebook
- heating and ventilation
- sealing and soundproofing
- trim and upholstery
- fuses and relays
- and an increase in the presentation of the endogenous lectin galectin1 sensing these changes on the surface of p16 ink4a expressing pancreatic carcinoma cells capan1
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- nội dung cụ thể cho từng kĩ năng ở từng cấp độ
- xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct
- phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ
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