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Online since: August 2019
Authors: Pavel Rovnaník, Patrik Bayer, Ivo Kusák, Cecílie Mizerová
Quartz sand with a maximum grain size of 2.5 mm was used as aggregate.
SEM images of REF, CNT 0.10 and CNT 0.20 geopolymers Conclusions CNTs are widely used in a number of advanced applications, mainly due to their exceptional mechanical properties.
Online since: November 2021
Authors: Kannachai Kanlayasiri, Niwat Mookam, Prajak Jattakul, Tipsuda Rakphet
Cu3P can be observed at the grain boundary of the (Cu, Ni)3P phase.
Acknowledgments This work is supported by School of Engineering, King Mongkut’s Institute of Technology Ladkrabang under the contract number 2563-02-01-035.
Online since: November 2024
Authors: Fahad Ullah Zafar, Muhammad Asif, Muhammad Ali Kamran, Rizwan Mehmood Gul
Introduction Performance and durability of solar panels is compromised by a number of factors, the formation of cracks being one of them.
Additionally, extrinsic flaws (cracks, broken contacts, and Transparent Conductive Oxides (TCO) corrosion for thin films) as well as internal defects (grain boundaries, dislocations, shunts, or process faults) may be visually detected using EL pictures.
Online since: April 2010
Authors: Zhong Min Zhao, Long Zhang, Quan Yang, Zhen Sheng Qu, Chuan Zeng Pan, Min Quan Wang
Recently, directional solidification technique has been proven to be an advanced method for successfully preparing the oxide/oxide in-situ composites with the eutectic structures of the outstanding performances and the absence of grain boundaries, however, the fracture toughness of the eutectics generally measured 4.0-5.0 MPa·m1/2 [2, 3], and the maximum value measured to be 8.0 MPa·m1/2 [4].
Meanwhile, EDS images showed there distributed a large number of Si and O elements as well as a few of Cr and Al elements in inter-colony regions, so it is considered that SiO2 component participated in forming the glass phase and was distributed at eutectic boundaries.
Online since: July 2011
Authors: Fang Du, Yun Fei Cui, Xin Ming Li, Shuai Wang
For large-scale, complex storage, computing and software processing environment in the cloud systems, customers don't need to know their specific number, arrangement and structure, only need to see a single interface by which they can process all the request service.
The customers can be divided into three categories in accordance with the coarse-grained: individual customers, corporate customers and research institutions customers. 3) Operability.
Online since: June 2012
Authors: Hong Nie, Xin Xu, Shuang Li Long
It visibly displays the capability of the simulations to resolve fine-grained turbulence and exhibits the complex although in general.
Considering the small block number compared with the experiment, there is difference for lower frequencies (f<10000Hz, St<4.5).
Online since: July 2012
Authors: Xiao Lin Zhang, Jian Jun Fang, Dian Wen Liu, Shu Qin Zeng
Test results and discussion The grinding fineness effect to flotation index According to a large number of condition experiment result, comparison tests were carried out with 80%, 85%, 90%, and 95% -74μm of grinding fineness on same floating condition.
The lead-zinc ores belong to refractory lead-zinc mine according to process mineralogy study, the status of lead and zinc minerals disseminated granularity is fine-grained, it is very difficult to dissociate fully. 2.
Online since: May 2011
Authors: Bang Qing Wang, Fang Fang Guo, Su Hang Gu, Qing Ju Ning
Introduction White light-emitting diode (LED) which called the fourth generation lighting source will beyond Incandescent, fluorescent lamp, HID lamp, it has a number of advantages such as small size, low energy consumption, responding quickly, reliability, no pollution and long lifetime, therefore has a remarkable energy and vast prospects for the future of the light of market [1-2].
Because of the required temperature is high that lead to large energy consumption, larger grains and not equally distributed across in the preparation of process; reaction is not entirely so that contain material remains, serious influence on the efficiency of fluorescent material.
Online since: June 2010
Authors: Nian Xin Zhou, Shu Ai Wang, Chen Long Duan, Ya Qun He
Then the design and selection of suitable crushing equipments to achieve comminution and dissociation of metals and nonmetals contained in the discarded circuit board in a relatively coarse-grained level can be obtained.
A large number of circuit board slots which is constituted by plastic and a long strip of copper wire, aluminum wire mainly include ISA, PCI, AGP, SDRAM, DDR and etc.
Online since: October 2010
Authors: Ying Cheng Hu, Xu Jie Zhang, Ye Cheng Fang
Table 2 Result of the Experiment Number Depth of Tanks[mm] Length of Joint[mm] Plywood as their web plates OSB as their web paltes Average Tension[N] Shear Strength[MPa] Average Tension[N] Shear Strength[MPa] 1 6 40 2.910 3.163 2.910 3.163 2 6 50 3.594 3.125 3.595 3.126 3 6 60 3.084 2.235 3.665 2.656 4 6 70 3.508 2.179 3.010 1.870 5 9 40 3.350 2.888 3.459 2.982 6 9 50 4.442 3.063 4.124 2.844 7 9 60 4.350 2.500 3.582 2.059 8 9 70 4.115 2.027 2.586 1.274 9 12 40 3.369 2.406 2.973 2.124 10 12 50 4.337 2.478 4.155 2.374 11 12 60 4.827 2.299 3.275 1.560 12 12 70 4.827 1.970 4.072 1.662 13 15 40 2.884 1.759 3.715 2.265 14 15 50 3.669 1.790 3.886 1.896 15 15 60 4.405 1.791 4.528 1.841 16 15 70 4.269 1.487 4.423 1.541 The average tension was effected by the factors we had listed in Table 1.
(2) The main destructional form is the fracture in the direction parallel to grain on the flanges.
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