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Online since: October 2010
Authors: Jian Feng Dai, Wei Xue Li, Dun Dong Wang, Hui Jin, Qing Wang
Ni layers have been adopted for an increasing number of CNT-applications in recent years.
The face-centered cubic (fcc) structure of Ni may be maintained within small grains.
Online since: December 2013
Authors: Tong Zhi Chen, Xiao Ming Yuan
On February 22, 2011 a MW 6.2 earthquake hit Christchurch, New Zealand, which brings about the second largest number of casualties caused by natural disasters in New Zealand since the 20th century.
(9) (10) (11) where Kc=the correction factor for grain characteristics; qc1N=normalized cone penetration resistance; CQ = normalizing factor for cone penetration resistance; Pa = 1 atm of pressure in the same units used for ;n = exponent that varies with soil type; and qc = field cone penetration resistance measured at the tip.
Online since: December 2012
Authors: Zai Xing Jiang, Jin Dong, Rui Feng Zhang, Hao Wei Zhou, Hui Liu, Rong Kang
Due to their large burial depth, which is generally bigger than 3000m, strong compaction dramatically reduces the number of primary intergravel pore, so intergravel pore is dominated by secondary intergravel pore [4].
Intragravel dissolved pore characterized by the embayed and serrated grain boundary from Well G15 at 3905.8m (+40); D.
Online since: October 2012
Authors: Shu Zhang, Lei Meng
Experiments have gained good effects Introduction In engine during military service, leaf parts different positions of the bear different stress state, understanding the different orientations of single crystal alloy creep characteristics, and single-grain alloy anisotropic particularly important.
When an antigen enters an organism for the first time, only a few numbers of B-cells can recognize it.
Online since: March 2011
Authors: A.O. Kovalchuk, Andriy Gusak, King-Ning Tu
Do the metallic atoms penetrate directly in the point of contact or they diffuse a along oxide layer with simultaneous penetration into silicon (like diffusion along grain boundary with simultaneous leakage into bulk in the Fisher-like models [5]).
So, we can just take concentration of nickel atoms (number per unit volume) to be almost zero at silicon side of oxide film and at nickel side.
Online since: December 2012
Authors: Hüseyin Çamur, Youssef Kassem
It has been used for pumping water and grinding grains for many centuries.
Truckenbrodt. [6] The velocity distribution on the profile contour at discrete points Xn is obtained through the following summation formula; WkXnU∞=1Xn*an+2m=1N-1AnmZmt±2m=1N-1CnmZms ±αbn +2m=1N-1HnmZmt‘ 2 Coefficients an ,bn , cn , Anm ,Cnm ,Hnm to calculate the velocity distribution on the contour profile according to Eq. 14 for N = 12 are given in [5] (10) where Xn*=Cn+dZtdφn2 And an ,bn , cn, Anm, Cnm and Hnm are Fourier series coefficient, and N is the number of discrete nodes. [5] Flowchart for the Calculation of the Forces and Torque of Wind Car As given in NACA profile we can indetify the geometric parameters of the airfoil.
Online since: October 2014
Authors: Radu Ibănescu, Cătălin Ungureanu
Electrolytic cell At the same time, the large number of different types of working parameters (mechanical, electrical, chemical) makes it difficult to choose the optimal machining technology [2].
Productivity also increases with growing contact pressure (Fig.4), a phenomenon which is justified by abrasive factor amplification and diamond grains penetrating deeper in the part material.
Online since: September 2014
Authors: Rustam Usmanov, Nikolay Vatin, Vera Murgul
The following is stated in a number of scientific studies: as long as the stress-strain ratio of compound tension layers in non-uniform (two-layers) foundations increases due to interactions the thickness should decrease as well.
Sketch drawings of the areas are given in the Figure 1, where the tests № 2-4 have been made with the use of gravel with pebbles, the test № 5 – gravel-pebble with sand, the test № 6 – average-grained sand, and the test №7 – heavy clay loam.
Online since: December 2014
Authors: Xiao Hong Yang, Jun Yan Ge, Ye Yang, Hao Hao Feng, Xing Yu Hu, Xu Yuan Wang
In this paper, the controlled synthesis of pill-like ZnO nanoparticles with the average grain diameter of about 75 nm, under mild conditions.
This phenomenon showed that a large number of hydroxyl covered on the surface of ZnO nanoparticles[8].
Online since: July 2015
Authors: Isaratat Phung-On, Wutipong Nieampradit, Sarawan Wongsa
Methods SS-DTA is based on the calculation of temperature deviation (DT) for each time instant t between the measured thermal cycle (T) of a sample and the reference thermal cycle (Tr) as follows: (1) The piecewise linear –based SS-DTA technique constructs Tr as a piecewise linear function with uniform segmentation which is defined as (2) (3) where M is the number of segments over the ranges of considered time, mi and bi are the constant coefficients of segment i, li = (i-1)×W and ui = i×W with W being the segment width in time unit.
It can be clearly seen that there are Cr23C6 precipitates along the grain boundary.
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