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Online since: April 2010
Authors: Sébastien Garruchet, Olivier Politano, Patrick Arnoux, Vincent Vignal
Moreover they observed the presence of voids in grain boundaries, which are
due to clustered vacancies.
Fig. 2 represents the three kinetics curves which correspond to the number of oxygen atoms into the oxide layer as a function of time.
These curves represent the total number of O atoms uptake in the oxide layer versus time.
Finally, the numbers of oxygen atoms included in the oxide layer follow a linear law.
The 3 numbers are equivalent to those in Fig. 2.
Fig. 2 represents the three kinetics curves which correspond to the number of oxygen atoms into the oxide layer as a function of time.
These curves represent the total number of O atoms uptake in the oxide layer versus time.
Finally, the numbers of oxygen atoms included in the oxide layer follow a linear law.
The 3 numbers are equivalent to those in Fig. 2.
Online since: August 2011
Authors: Jun Liang, Fu Ping Wang
For platinum catalyst preparation, 0.3-0.6 mm grain support fraction was selected, then dry impregnated with H2PtCl6 solution.
Table 1 Nitrogen physisorption data of mesoporous and conventional SAPO-11 SAPO-11 Micropore volumes [ cm3/g ] Mesopore volumes [ cm3/g ] BET area [ cm2/g ] Convention Mesopore 0.078 0.075 0.014 0.052 211.6 203.3 The number of acid sites for the mesoporous and conventional SAPO-11 was determined by NH3-TPD as shown in Table 2.
It can be seen that the mesoporous SAPO-11 has comparable number of acid sites as the conventional one.
Table 1 Nitrogen physisorption data of mesoporous and conventional SAPO-11 SAPO-11 Micropore volumes [ cm3/g ] Mesopore volumes [ cm3/g ] BET area [ cm2/g ] Convention Mesopore 0.078 0.075 0.014 0.052 211.6 203.3 The number of acid sites for the mesoporous and conventional SAPO-11 was determined by NH3-TPD as shown in Table 2.
It can be seen that the mesoporous SAPO-11 has comparable number of acid sites as the conventional one.
Online since: November 2006
Authors: Lalgudi Venkataraman Ramanathan, Olandir Vercino Correa, Clarice Terui Kunioshi
A number of parameters control the properties of the electrodeposited composite coatings and include besides reinforcement shape, size and content, also, bath
composition, current density, pH, bath temperature, additives to the bath and efficiency of
agitation
[10].
The grain size distribution of the alumina particles added to the bath was such as to have > 90% with < 2µm (Figure 1).
A number of mechanisms have been proposed to explain the co-deposition of ceramic particles in a metallic matrix.
The grain size distribution of the alumina particles added to the bath was such as to have > 90% with < 2µm (Figure 1).
A number of mechanisms have been proposed to explain the co-deposition of ceramic particles in a metallic matrix.
Online since: January 2011
Authors: Jun Zhao, Jane Yu Xia Qin
Table 2 Average milk production of cows
Group Ⅰgroup
Ⅱgroup
Ⅲgroup
Ⅳgroup
The number of test dairy cow(head)
10
10
10
10
1st d
20.10
20.16
20.12
20.13
10th d
20.00
20.36
21.92
23.95
20th d
19.58
20.98
21.88
25.67
30th d
19.32
21.80
22.45
25.83
40th d
19.20
21.78
22.70
25.68
50th d
18.16
21.93
22.68
21.88
60th d
18.18
21.88
22.53
24.55
total
134.54
148.89
154.28
170.66
Day milk yield
19.22±0.79
21.27±0.76
22.04±0.91
24.38±4.61
Milk Yield and Ingestation.
Table 3 Milk production and feed intake of every period Group Ⅰgroup Ⅱgroup Ⅲgroup Ⅳgroup Test number of dairy cow(head) 10 10 10 10 Test time length(d) 60 60 60 60 Day average milk yield(kg/ head)) 19.22±0.79 21.27±0.76 22.04±0.91 24.38±4.61 Average dairy fatratio(%) 3.48 3.49 3.59 3.55 4% standard milk* 16.72a 18.55b 19.78bc 21.64bc Production increasing rate(%) 100.00 110.94 120.99 129.43 Day ingestation of green feeds(kg/ head)) 22.0 24.0 25.0 25.0 Day ingestation of hay (kg/ head)) 5.00 5.00 5.00 5.00 Day ingestation of fine feeds (kg/ head)) 7.00 7.60 8.00 8.30 milk feeds 2.39 2.44 2.47 2.60 Note:* Because the rate of fat in milk, so use containing 4% milk fat as standard.
[5]Beauchenin K A,Yang VZ lode L M.Effects of Grain source and Fhzyxre Additive Site and Extent ofllbtrient Digestionlairy[J].J.Iairy Sci,1999,82(2):37,390
Table 3 Milk production and feed intake of every period Group Ⅰgroup Ⅱgroup Ⅲgroup Ⅳgroup Test number of dairy cow(head) 10 10 10 10 Test time length(d) 60 60 60 60 Day average milk yield(kg/ head)) 19.22±0.79 21.27±0.76 22.04±0.91 24.38±4.61 Average dairy fatratio(%) 3.48 3.49 3.59 3.55 4% standard milk* 16.72a 18.55b 19.78bc 21.64bc Production increasing rate(%) 100.00 110.94 120.99 129.43 Day ingestation of green feeds(kg/ head)) 22.0 24.0 25.0 25.0 Day ingestation of hay (kg/ head)) 5.00 5.00 5.00 5.00 Day ingestation of fine feeds (kg/ head)) 7.00 7.60 8.00 8.30 milk feeds 2.39 2.44 2.47 2.60 Note:* Because the rate of fat in milk, so use containing 4% milk fat as standard.
[5]Beauchenin K A,Yang VZ lode L M.Effects of Grain source and Fhzyxre Additive Site and Extent ofllbtrient Digestionlairy[J].J.Iairy Sci,1999,82(2):37,390
Online since: May 2011
Authors: Qing Jun Ding, Ji Yu Han, Xiu Lin Huang
The number is getting larger each year.
The replacement ratios of fly ash and the samples' number are shown in Table 2.
When the process of hydration is underway continuously, all hydration products fulfill space which was taken up by water previously, solid grains were getting closer and structure was turning denser.
The replacement ratios of fly ash and the samples' number are shown in Table 2.
When the process of hydration is underway continuously, all hydration products fulfill space which was taken up by water previously, solid grains were getting closer and structure was turning denser.
Online since: October 2011
Authors: Rupinder Singh
The process of 3DP was patented in 1994 by Sachs et al. under U.S. patent number 005340656 [2].
TYPE OF SAND COMPOSITION AFS / GRAIN FINENESS 1 DRY SAND Natural sand - 75% Clay -13% Bentonite - 04% Coal dust - 08% 56 2 GREEN SAND Natural sand - 75% Clay -12% Bentonite - 03% Coal dust - 04% Water - 06% 56 3 MOLASSES SAND Natural sand - 80% Clay - 14% Molasses - 06% 64 The change in temperature of the castings during solidification process has been measured with respect to the time after pouring the molten metal in the shells, with infrared pyrometer (Ref.
For a generic nominal dimension DJN, the number of the tolerance unit’s n is evaluated as follows: n= 1000(DJN - DJM)/ i, where DJM is measured dimension.
TYPE OF SAND COMPOSITION AFS / GRAIN FINENESS 1 DRY SAND Natural sand - 75% Clay -13% Bentonite - 04% Coal dust - 08% 56 2 GREEN SAND Natural sand - 75% Clay -12% Bentonite - 03% Coal dust - 04% Water - 06% 56 3 MOLASSES SAND Natural sand - 80% Clay - 14% Molasses - 06% 64 The change in temperature of the castings during solidification process has been measured with respect to the time after pouring the molten metal in the shells, with infrared pyrometer (Ref.
For a generic nominal dimension DJN, the number of the tolerance unit’s n is evaluated as follows: n= 1000(DJN - DJM)/ i, where DJM is measured dimension.
Online since: February 2019
Authors: Ivan V. Ivanov, Elizaveta I. Tkachenko, Alexander Thoemmes
Stainless steel possesses high electrochemical corrosion resistance in a large number of media due to two main reasons.
Furthermore, variable electromagnetic focusing system provides a large number of possibilities for processing or creating 3D surfaces [13].
For corrosion analysis the specimens were cut and grinded using SiC sandpaper with gradual reduction of grain size to 1000 grit.
Furthermore, variable electromagnetic focusing system provides a large number of possibilities for processing or creating 3D surfaces [13].
For corrosion analysis the specimens were cut and grinded using SiC sandpaper with gradual reduction of grain size to 1000 grit.
Online since: August 2013
Authors: Cheng Hui Zhang, Rui Ling Yu
(9)
The initial solution of the N-vehicles system is given as follows:
, (10)
where is the initial position of the nth vehicle at time t. h is the average headway of the system and h=L/N. n is the number of the investigated vehicle in the N-vehicles system. is the optimal velocity function.
(16) Now we wish to derive the equation describing the collective motion on coarse-grained scales [21].
For the uphill situation we choose the following initial conditions: θ=0°,3°,6° ,hc=4, 3.79, 3.58m, h=4m, ∆xn0=hn≠N2,n≠N2+1,∆xn0=h-0.5 n=N2,∆xn0=h+0.5 n=N2+1,N=200 , where hc=xθ is the safety distance which is related to the slope, h is the average headway, ∆xn0 is the headway of the nth vehicle at time 0 and N is the total number of vehicles in the system.
(16) Now we wish to derive the equation describing the collective motion on coarse-grained scales [21].
For the uphill situation we choose the following initial conditions: θ=0°,3°,6° ,hc=4, 3.79, 3.58m, h=4m, ∆xn0=hn≠N2,n≠N2+1,∆xn0=h-0.5 n=N2,∆xn0=h+0.5 n=N2+1,N=200 , where hc=xθ is the safety distance which is related to the slope, h is the average headway, ∆xn0 is the headway of the nth vehicle at time 0 and N is the total number of vehicles in the system.
Online since: March 2006
Authors: Chin Myung Whang, Eun Yi Kim, Yoo Hang Kim
This substantially reduces the number of free charges on the surface and lowers the
photocatalytic activity.
The morphology and grain size of the samples were examined using transmission electron microscopy (Philips CM200).
Whang gratefully acknowledges the financial support of the Korea Science and Engineering Foundation (Grant number: R04-2003-000-10155-0).
The morphology and grain size of the samples were examined using transmission electron microscopy (Philips CM200).
Whang gratefully acknowledges the financial support of the Korea Science and Engineering Foundation (Grant number: R04-2003-000-10155-0).
Online since: June 2010
Authors: Da Jin Yu
China's livestock breeding was blind, intensive and suburban-based, and
farming pursue efficient development model, which produce a huge number of agricultural wastes.
It is only suitable for a certain size agricultural production, such as the major producer of farming, livestock breeding and aquaculture grain, or the transactions among villages.
(2) The number of tradable emissions permit in agricultural production need complete rationality, but our current practice is sub-block management.
It is only suitable for a certain size agricultural production, such as the major producer of farming, livestock breeding and aquaculture grain, or the transactions among villages.
(2) The number of tradable emissions permit in agricultural production need complete rationality, but our current practice is sub-block management.