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Online since: December 2012
Authors: Jin Xia Zhang, Li Nan Tian, Fu Sheng Niu, Xing Guo Wang
Table 5 Industry requirements of kyanite raw material in China
title
Al2O3 [%]
SiO2 [%]
Fe2O3
[%]
TiO2
[%]
K2O+Na2O
[%]
Refractability
[°C]
Advanced refractory
>50
-
<1-2
-
<1~1.5
≥1790
Technical ceramics
>55
-
<0.5-0.15
-
<0.5
-
Silicon-aluminium alloy
>58
<37
<1.5
-
-
-
Refractory(Baoshan iron and steel plant)
≥60
-
≤1.5
<2.0
-
≥1825
5 Kyanite’s beneficiation process
As for fine-grained kyanite, the flotation is generally adopted.
A large number of research results confirm that kyanite ore flotation can be in acidic, alkaline and neutral conditions.
A large number of research results confirm that kyanite ore flotation can be in acidic, alkaline and neutral conditions.
The Experimental Study of Contaminant Removal in Water Quenched Slag Biological Aerated Filter (BAF)
Online since: December 2012
Authors: Yan Zhen Yu, Miao Wan Li, Hua Dong Zhang, Long Long Gao, Yu Xing Zhou
Introduction
Water quenched slag is the most number of a waste residue in metallurgical industry,it is vitreous structure material that has high potential activity[1], In recent years,its recycling is more and more importance, So how to make the waste be useful and cycling resource is an important issue, it has aroused extensive concern of scholars at home and abroad.
The production process as following : Material processing→ingredient→mixed evenly→forming→maintenance→wash→dry→ performance test Characteristics test of products.The performance of products that made on best design conditions were tested and ,the surface morphological structures were observed with SEM and compared with ceramsite, result shows in table 3 Table. 3 The comparison on elemental property between water quenched slag filter and ceramsite Size /(mm) Density /(kg·m-3) Wear rate /(%) Damaged rate /(%) Porosity /(%) Specific area /(%) Biomass /(g·g) Hydrochloric acid capacity rate (%) water quenched slag 3~5 1982.6 1.50 1.15 48.17 13.79 0.045 32.15 ceramsite 3~5 2262.4 1.80 1.62 29.59 0.73 0.029 2.83 The data from table 3 shows that this new type of filter compared with the ceramic grain has following trait, water quenched slag filter material had small density, wear rate and damaged rate, excellent mechanical strength,this can be capable of resisting hydrodynamic shear
The production process as following : Material processing→ingredient→mixed evenly→forming→maintenance→wash→dry→ performance test Characteristics test of products.The performance of products that made on best design conditions were tested and ,the surface morphological structures were observed with SEM and compared with ceramsite, result shows in table 3 Table. 3 The comparison on elemental property between water quenched slag filter and ceramsite Size /(mm) Density /(kg·m-3) Wear rate /(%) Damaged rate /(%) Porosity /(%) Specific area /(%) Biomass /(g·g) Hydrochloric acid capacity rate (%) water quenched slag 3~5 1982.6 1.50 1.15 48.17 13.79 0.045 32.15 ceramsite 3~5 2262.4 1.80 1.62 29.59 0.73 0.029 2.83 The data from table 3 shows that this new type of filter compared with the ceramic grain has following trait, water quenched slag filter material had small density, wear rate and damaged rate, excellent mechanical strength,this can be capable of resisting hydrodynamic shear
Online since: January 2013
Authors: Han Guo, Yan Ma
That is to say, the length from Plane B to Plane A should be:
Lab= L1/4 (2)
Width of Plane A (i.e. width of the palm) is:
La= L1/2 (3)
Human’s wrist length (Lb), has no proportional relation to other parts of human body, so is a relatively independent number.
By cutting the wood cell lengthways along the grain, micron parings could be formed.
By cutting the wood cell lengthways along the grain, micron parings could be formed.
Online since: December 2012
Authors: Li Bing Yang, Yan Hong Chen, Wei Guo Li, Ya Li Liu, Yan Ping Feng
As with IMU/DGPS system, the base station in a certain range can not control or a small number of control points of the case are analytical aerial triangulation adjustment, greatly reducing the photogrammetry of foreign trade control workload, shortens the production cycle, improve the work efficiency.
References [1] Peijun Wang, Yaming Xu: 《Photographic Surveying》, p. 1-3 (In Chinese) [2] Dewen Zhao: The Photogrammetric Processing and Application of ADS40 Digital Sensor (Railway Survey,2009-2)(In Chinese) [3] Lei Wu, Ning Zhang, Jianwei Shi: ADS40 Airborne Digital Sensor Application In Water Conservancy and Hydropower Engineering Analysis, ( Dam & Safety, 2009 - S1 )(In Chinese) [4] Jingtian Jiang, Du Fengyan, ADS40 digital aerial camera application in the coal industry (Grain Science and Technology and Economy,2007-8)(In Chinese) [5] Zuxun Zhang: Future development and Prospect of digital photogrammetry (GIS World , 2004 - 6) (In Chinese) [6] Youchuan Wan, Yongjun Zhang, Liangming Liu, Photogrammetry Subjects Progress and Prospect ( http://www.zgchb.com.cn/newspaper/show.php?
References [1] Peijun Wang, Yaming Xu: 《Photographic Surveying》, p. 1-3 (In Chinese) [2] Dewen Zhao: The Photogrammetric Processing and Application of ADS40 Digital Sensor (Railway Survey,2009-2)(In Chinese) [3] Lei Wu, Ning Zhang, Jianwei Shi: ADS40 Airborne Digital Sensor Application In Water Conservancy and Hydropower Engineering Analysis, ( Dam & Safety, 2009 - S1 )(In Chinese) [4] Jingtian Jiang, Du Fengyan, ADS40 digital aerial camera application in the coal industry (Grain Science and Technology and Economy,2007-8)(In Chinese) [5] Zuxun Zhang: Future development and Prospect of digital photogrammetry (GIS World , 2004 - 6) (In Chinese) [6] Youchuan Wan, Yongjun Zhang, Liangming Liu, Photogrammetry Subjects Progress and Prospect ( http://www.zgchb.com.cn/newspaper/show.php?
Online since: December 2012
Authors: Iziana Yahya, Noor Asikin Ab Ghani, Hamidi Abd Hamid, Ramani Mayappan, Nur Nadiah Zainal Abiddin
This has resulted in coarsening of the scallops and at the same time lowering the number of IMCs.
Wang reported that the surface morphology of the Cu-Zn appears to have a granular appearance on the surface of Sn-Ag-Cu-Zn/Cu, but the grain size of Cu5Zn8 is far smaller compared to Cu6Sn5 thus may not observable by SEM image in Fig. 4 (b) [3].
Wang reported that the surface morphology of the Cu-Zn appears to have a granular appearance on the surface of Sn-Ag-Cu-Zn/Cu, but the grain size of Cu5Zn8 is far smaller compared to Cu6Sn5 thus may not observable by SEM image in Fig. 4 (b) [3].
Online since: April 2015
Authors: Michaela Kostelecká
Introduction
Ultra High Performance Concrete (UHPC) is ultra-high-grade concrete with fine-grained macrostructure and high consistency.
This highly advanced and sophisticated material offers a number of interesting applications such as the production of facade panels, which promotes more abroad.
This highly advanced and sophisticated material offers a number of interesting applications such as the production of facade panels, which promotes more abroad.
Online since: June 2014
Authors: Yan Hui Liu, Yang Nan, Guo Bao Yang, Yong Quan Ning, Ze Kun Yao
The contour number represents the efficiency of power dissipation (η).
To summarized, this kind of motion maps can be used to forecast the hot workability, when the microstructure characterization (including the elements, phase composition and grain size, etc.) has been involved in the maps in future.
To summarized, this kind of motion maps can be used to forecast the hot workability, when the microstructure characterization (including the elements, phase composition and grain size, etc.) has been involved in the maps in future.
Online since: September 2011
Authors: Qian Ning, Tai Yong Wang
Introduction
In machining processes, cutting tool gradually wears out, loses its sharpness and becomes blunt due to thermal fracturing, attrition, abrasion, plastic deformation, diffusion, chemical wear, and grain-pullout.
Eighty samples of each level are used as the training samples and testing samples, the number of training samples is fixed to obtain the performance of the estimation method more plentifully.
Eighty samples of each level are used as the training samples and testing samples, the number of training samples is fixed to obtain the performance of the estimation method more plentifully.
Online since: June 2013
Authors: Ji Ming Bian, Zhi Kun Zhang, Xiao Qiang Kou
These properties render VO2 a promising candidate for a number of interesting applications in electronics and photonics.
Both films show well-formed grains with the average size of about 100 nm.
Both films show well-formed grains with the average size of about 100 nm.
Online since: January 2013
Authors: Gui Ying Sha, Teng Liu, Zhao Hua Li, Yu Han, Jie Wang
The dominant feature of initial microstructure of the alloy is equiaxed recrystallized grains, as shown in Fig.1.
Furthermore, compared with the case of stress amplitude of 54 MPa, the number of tore facets for the case of stress amplitude of 66 MPa apparently increases.
Furthermore, compared with the case of stress amplitude of 54 MPa, the number of tore facets for the case of stress amplitude of 66 MPa apparently increases.