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Online since: December 2012
Authors: Mario Morin, Mokhtar Zabat
(A) and (B) are Cyclic voltammograms and Nyquist plots –respectively- of the reduction of 1mM [Fe(CN)6]4-/3- showing the improvement of charge and mass blocking with the number of cycles, and potential holding for CH3(CH2)7SH.
The existence of such holes was confirmed from the atomic force microscopy (AFM) phase images, which show stable holes with average radius of ten nanometres, regularly distributed on gold grains in the case of dodecanethiol(C12).
Thus, the carbon atoms number (n) which controls the layer thickness is a key factor for the stability of holes.
Online since: May 2012
Authors: Bei Xing Li, Jing Liang Xia, Zhuan Qin Wu, Ren Jie Shang, Fang Xin Jiang, Zhi Qiang Yin
(3) Coarse Aggregate: Grain size is 5 ~ 31.5mm graded limestone gravel, physical and mechanical properties are shown in Table 3
It showed that relative dynamic elastic modulus of concrete freeze-thaw decline was not obvious at an early stage, to reach a certain number of freeze-thaw times there would be a sudden drop, concrete without fly ash appeared this phenomenon in 175 freeze-thaw cycles.
The results show that: (1)Filling fly ash could change the cavity structure of concrete, increased the cavity number per unit volume and mainwhile accelerated freeze-thaw deterioration.
Online since: February 2008
Authors: Zhao Xian Xiong, Yan Yan Meng
A number of complexes with same center metal and different ligands appear dissimilar antibacterial activity [5, 6].
SEM images of the molybdates are displayed in Fig. 2, with different shape of grains for different kinds of samples.
An increase in the bacteria number implies more light being absorbed by the bacteria.
Online since: June 2013
Authors: Feng Yan Sun, Qing Mei Wang
Feng and his groups point out that with the variations of addition of PEG and the molar ratio of PEG/Zn2+, the dissolved state of PEG and the interaction of PEG and zinc species will be different, which also results in different attachment stability and the orientation of the nucleation, affect the crystallization of ZnO crystalline grains and the final morphologies of ZnO [7]. 
And the nuclear number density increased with the increase of the concentration of MPS.
The exponential function, the fitting curve used here is as follow equation (3): (3) In which, the dependent variable N stands for the difference nuclei population density of copper electrocrystallization between adding different concentration of MPS and additive free solutions, the independent variable CMPS stands for the concentration of MPS added in solutions, k1 and k2 are undetermined parameters, which also are positive numbers
Online since: January 2015
Authors: Shu Bin Gu, Cheng Chen, Hong Chen
A large number of experiments show that polynomial (1) is in a chaotic state in the following situation: α=10, β=14.87, m0=-0.27, m1=0.32, x(0)=0.2, y(0)=0.2, z(0)=0.2 (2) All this paper’s experiments are in this situation.
It shows a large number of information related to speeches’ characteristics.
Spectrums of signal encrypted by chaos before and after UPT Different shades of grains in the speech spectrogram are called “voiceprint”.
Online since: July 2008
Authors: Chuang Lu, Jian Shu Lu
The reflection came mainly from Al2TiO5 (marked by #, PDF number 01-070-1434) and the substrate α-Ti (marked by $, PDF number 44-1294).
The corrosion product consists of very fine crystal grains which may have protection effect.
Online since: February 2007
Authors: Qing Ren Wu, Xiao Ping Wang, Hua Qing Xie, Tonggeng Xi
He has found that the sound velocity V in a crystal can be related to its average relative atomic mass M ( defined as molecular mass divided by number of atomic in a molecule ) and density ρ by baM V +−=)/log( ρ (1) where a and b are constants determined by experiment.
So that influence of grain boundary on thermal conductivity of crystal can be neglected at room temperature.
Applying average atomic density Q (defined as sum of element density in a molecular divided by number of atomic in a molecule) to instead of density ρ in equation (8), an empirical equation for predicting thermal conductivity of crystal materials can be got as follows BMAQk −=)/log( (9) where A and B are constants determined by experiment.
Online since: March 2010
Authors: Hideki Sekine, H. Suzuki, Makoto Katagiri, Akihiko Kumaki, Yoshito Izumi
Therefore, the cohesive stress c is expressed as  2/ 2/ cos      dfnA sofc (6) where n is the average number of bridging whiskers per unit area of crack surface and f is the probability density of the number of bridging whiskers for the angle .
This figure reveals that the length of the SiC whiskers and the diameter of the alumina grains are of the same order of magnitude, and there scarcely exist whiskers of extremely short pull-out length.
Online since: December 2011
Authors: Syafawati Nadiah Mohamed, Muhd Zu Azhan Yahya, Maziidah Hamidi
Initial increase of conductivity in the first region explains the increasing number of mobile ions in the system.
The dielectric constant, eR explains the increasing of ionic conductivity is due to the increasing number of mobile ions [17].
The presence of AlPO4 may reduce Li+ motion across the grain boundary and the presence of TiP2O7 may counteract any beneficial effect of other phases on conductivity [18].
Online since: October 2007
Authors: Hua Ding, Wen Juan Zhao, Hong Liang Hou, H.W. Xiao, X.F. Tian, J.W. Zhao
It can be seen that the specimen without hydrogen shows a rolled α + β dual phase structure, with an average prior-α grain size of 14 µm and an area fraction of 81% (Fig. 1a).
It can be seen that large numbers of dislocations appeared in the specimens with 0.278% and 0.514% hydrogen (Fig.3a, e). δ hydrides were found in specimens with 0.278 % and 0.514% hydrogen (Fig. 3b, c).
In addition, large numbers of twins were found in the specimens with 0.514% hydrogen (Fig. 3f).
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