Sort by:
Publication Type:
Open access:
Publication Date:
Periodicals:
Search results
Online since: July 2011
Authors: Zhi Gang Zhao, Fu Gui Liu, You Hua Wang
The grain-oriented silicon steel sheet (30Q140, made in Wuhan Steel Processing Co., Ltd.
Table 1 Parameters of core and coils Parameters Model C1 Model C2 Remarks Total number of turns of exciting coil 300/600 108/312 The number of turns of coils can be changed Total number of turns of search coil 600 312 Mean length of magnetic circuit (m) 2.92 1.24 Length of sheet (m) 0.840 0.420 Width of sheet (m) 0.110 0.110 Thickness of core-leg (m) 0.026 0.025 Effective area of core cross section (mm2) 2774.2 2667.5 Total weight of core, Gc, (kg) 61.97 25.30 Stacking factor: 0.975 Cross-section area of joints, Aj, (mm2) 4044.65´4 3889.09´4 Fig. 3.
N, the number of the joints of the model.
Table 1 Parameters of core and coils Parameters Model C1 Model C2 Remarks Total number of turns of exciting coil 300/600 108/312 The number of turns of coils can be changed Total number of turns of search coil 600 312 Mean length of magnetic circuit (m) 2.92 1.24 Length of sheet (m) 0.840 0.420 Width of sheet (m) 0.110 0.110 Thickness of core-leg (m) 0.026 0.025 Effective area of core cross section (mm2) 2774.2 2667.5 Total weight of core, Gc, (kg) 61.97 25.30 Stacking factor: 0.975 Cross-section area of joints, Aj, (mm2) 4044.65´4 3889.09´4 Fig. 3.
N, the number of the joints of the model.
Online since: September 2011
Authors: Ying Su, Wan Fa Zhu, Wen Ding, Xing Yang He
Then after 56 days, the specimens will be taken out, weighted and numbered, then they will be moved into erosion media solution, artificial seawater of four times the concentration of standard seawater(Note: The constitute of the standard seawater is considered as 2.75%NaCl, 0.32%MgCl2, 0.224MgSO4, 0.11%CaSO4 and 0.05%CaCl2,and all of them are measured by mass percent ).
In addition, as the stacking effects of mineral admixtures is not only concerned with the hydration activity, but also affected by the match of fineness, so the match of the grain diameter is designed to different mineral admixtures when designing the experiment scheme of concrete with composite slurry mixture.
According to the above discussion, the experiment scheme and the performance of the new concrete mixing tested is in Table 2: Table 2 The experiment scheme and the performance of the concrete Group numbers Type and amount (%) of admixtures Binder (kg/m3) Admixture amount(%) Slump (mm) Fly ash slag 1 FA8/13.9 SL4/19.1 417 0.7 200 2 FA8/13.9 SL6/19.1 417 0.7 210 3 FA8/13.9 SL7/19.1 417 0.7 160 4 FA10/13.9 SL6/19.1 417 0.7 170 5 FA6/13.9 SL6/19.1 417 0.7 205 6 / / 450 0.7 230 7 / SL4/36 438 0.7 210 8 / SL6/36 438 0.7 225 9 / SL7/36 438 0.7 210 12 OFA/30 / 397 0.7 200 14 FA6g/30 / 397 0.7 220 15 FA8g/30 / 397 0.7 215 16 / SL4g/36 438 0.7 205 17 FA6/30 / 397 0.7 240 18 FA8/30 / 397 0.7 230 19 FA10/30 / 397 0.7 230 20 / SL6g/36 438 0.7 225 21 FA8g/13.9 SL6g/19.1 417 0.7 230 Note: As to the fly ash , the number 6,8,10 respectively stands for the specific surface area of fly ash is 600m2/kg, 800m2/kg and 1000m2/kg.
And number 4 ,6,7 in slag stands for the specific surface area of slag is 450m2/kg, 600m2/kg, 750m2/kg.
In addition, as the stacking effects of mineral admixtures is not only concerned with the hydration activity, but also affected by the match of fineness, so the match of the grain diameter is designed to different mineral admixtures when designing the experiment scheme of concrete with composite slurry mixture.
According to the above discussion, the experiment scheme and the performance of the new concrete mixing tested is in Table 2: Table 2 The experiment scheme and the performance of the concrete Group numbers Type and amount (%) of admixtures Binder (kg/m3) Admixture amount(%) Slump (mm) Fly ash slag 1 FA8/13.9 SL4/19.1 417 0.7 200 2 FA8/13.9 SL6/19.1 417 0.7 210 3 FA8/13.9 SL7/19.1 417 0.7 160 4 FA10/13.9 SL6/19.1 417 0.7 170 5 FA6/13.9 SL6/19.1 417 0.7 205 6 / / 450 0.7 230 7 / SL4/36 438 0.7 210 8 / SL6/36 438 0.7 225 9 / SL7/36 438 0.7 210 12 OFA/30 / 397 0.7 200 14 FA6g/30 / 397 0.7 220 15 FA8g/30 / 397 0.7 215 16 / SL4g/36 438 0.7 205 17 FA6/30 / 397 0.7 240 18 FA8/30 / 397 0.7 230 19 FA10/30 / 397 0.7 230 20 / SL6g/36 438 0.7 225 21 FA8g/13.9 SL6g/19.1 417 0.7 230 Note: As to the fly ash , the number 6,8,10 respectively stands for the specific surface area of fly ash is 600m2/kg, 800m2/kg and 1000m2/kg.
And number 4 ,6,7 in slag stands for the specific surface area of slag is 450m2/kg, 600m2/kg, 750m2/kg.
Online since: February 2014
Authors: Su Dan, Jun Qing Su
Like Self-Organizing feature Map(SOM), by putting in information such as types of public power operation, number of power, exercise frequency, number of open and transparent information, number of violations discovered by electronic supervision and number of petition about complaints and reports, the system will calculate and put out whether this department belongs to severe supervision department, main supervision department or average supervision department based on the pre-determined weight of the importance of each parameter.
Prediction of the Qingdao’s Grain Production Based on Grey Markov Model[J].
Prediction of the Qingdao’s Grain Production Based on Grey Markov Model[J].
Online since: February 2014
Authors: Guang Wang
It is generally realized that parallel processing appears to be the only way to achieve the necessary speedups required by image processing [1], and, fine grain SIMD parallel computers are believed to be well suited for applications that exhibit significant data parallelism such as encountered in image processing [2].
For the second stage, the calculated coordinates (X', Y') may be real numbers and possibly not at integer position, gray value interpolation is needed.
Written in mathematical equation, it can be expressed by: (2) Note that, the result is real numbers because of the calculation of X' and Y' by Eq.1.
So, the movement offset can be represented by two parts: the whole number part Dx and Dy, the decimal fraction part δx and δy.
The whole number part will be used in the movement of PE’s array, and the decimal fraction part will be used in the interpolation of image pixel value.
For the second stage, the calculated coordinates (X', Y') may be real numbers and possibly not at integer position, gray value interpolation is needed.
Written in mathematical equation, it can be expressed by: (2) Note that, the result is real numbers because of the calculation of X' and Y' by Eq.1.
So, the movement offset can be represented by two parts: the whole number part Dx and Dy, the decimal fraction part δx and δy.
The whole number part will be used in the movement of PE’s array, and the decimal fraction part will be used in the interpolation of image pixel value.
Online since: October 2015
Authors: Li Zhi Gu
Saw blade structure diagram
Fig.2 Series of diamond circular saw blade
As shown in fig.2, the number of 1 is for the disc with the continuous working band.
The number of 2 is the disc with the discontinuous working band.
For the two kinds above, cooling-dissipating heat gaps are evenly distributed, and the angle between the two adjacent cooling-dissipating heat gaps is 360/Z, where Z stands for the gap number.
The number of 3 is for the disc with discontinuous working band, cooling-dissipating heat gaps uneven distributed, and circular distribution of 6 segments.
Step 4: Forming Ingredients and mixing According to the recipe ingredients, put the metal powder and diamond grains in the mixer mechanical stir to mix well.
The number of 2 is the disc with the discontinuous working band.
For the two kinds above, cooling-dissipating heat gaps are evenly distributed, and the angle between the two adjacent cooling-dissipating heat gaps is 360/Z, where Z stands for the gap number.
The number of 3 is for the disc with discontinuous working band, cooling-dissipating heat gaps uneven distributed, and circular distribution of 6 segments.
Step 4: Forming Ingredients and mixing According to the recipe ingredients, put the metal powder and diamond grains in the mixer mechanical stir to mix well.
Online since: July 2013
Authors: Xue Feng Yu, Li Li Chu, Ning Jiang
Heilongjiang Reclamation area is the largest, the highest level of mechanization of state-owned farm economic region, is our country’s important commodity grain production bases of agricultural and sideline products processing base.
Access (A) subprime indexes mainly include reservoir numbers, irrigation and drainage capacity and farmland irrigation rate.
Capacity(C) subprime indexes mainly include GDP per capita, education level (including every ten thousand people with the number of college students), urban consumption level, and rural consumption level.
Capacity value (C) has emerged a reducing trend in the 10 years, mainly with the development of social economy, GDP per capita and every ten thousand people with the number of college students, etc are in growth every year, and the reduction of Engel coefficient results in C value increasing.
WPI index simple and clear, a number can represent the water security in an area.
Access (A) subprime indexes mainly include reservoir numbers, irrigation and drainage capacity and farmland irrigation rate.
Capacity(C) subprime indexes mainly include GDP per capita, education level (including every ten thousand people with the number of college students), urban consumption level, and rural consumption level.
Capacity value (C) has emerged a reducing trend in the 10 years, mainly with the development of social economy, GDP per capita and every ten thousand people with the number of college students, etc are in growth every year, and the reduction of Engel coefficient results in C value increasing.
WPI index simple and clear, a number can represent the water security in an area.
Online since: June 2014
Authors: Zbyněk Keršner, Eva Navrátilová, Ivana Havlíková, Barbara Kucharczyková, Pavla Rovnaníková, Hana Šimonová, Jan Bedáň
Using burnt clays in mortars may influence the number of their properties; the increase in compressive and flexural strength values is monitored in particular.
If it is assumed that the durability of these composites is connected with the number of microcracks affecting them, and their ability to resist the propagation of such cracks, it is possible to quantify this durability using different brittleness parameters.
Specimens were made of mixtures containing CL-90 white lime in the form of hydrated lime (Carmuse Czech Republic Inc., Mokrá), sand consisting of three fractions of sand: PG1 (0–0.5 mm), PG2 (0.125–2.5 mm) and PG3 (0.5–5.0 mm) in a ratio of 1:1:1, and Heluz brick powder (Heluz cihlářský průmysl v. o. s., Hevlín) or L05 metakaolin (ČLUZ, a. s., Nové Strašecí) with the grain size d50 = 5 µm.
It is evident that this number is not sufficient, for next study standard number of specimens from each type of mixture is planned.
If it is assumed that the durability of these composites is connected with the number of microcracks affecting them, and their ability to resist the propagation of such cracks, it is possible to quantify this durability using different brittleness parameters.
Specimens were made of mixtures containing CL-90 white lime in the form of hydrated lime (Carmuse Czech Republic Inc., Mokrá), sand consisting of three fractions of sand: PG1 (0–0.5 mm), PG2 (0.125–2.5 mm) and PG3 (0.5–5.0 mm) in a ratio of 1:1:1, and Heluz brick powder (Heluz cihlářský průmysl v. o. s., Hevlín) or L05 metakaolin (ČLUZ, a. s., Nové Strašecí) with the grain size d50 = 5 µm.
It is evident that this number is not sufficient, for next study standard number of specimens from each type of mixture is planned.
Online since: March 2014
Authors: Bin Li, Hua Sheng Zhan, Xiao Ping Li, Jun Hong Chen, Jin Dong Su, Ming Wei Yan
Generally the generation of a large number of β-Sialon needs a high temperature above 1,650 °C, and usually the fineness of the raw materials is a few microns to a few tenths of a micron.
Under the experimental conditions, the particle size of the raw materials is large, the reaction temperature is low, but the X ray can detect a large number of β-Sialon.
The decomposition and volatilization of the oxides cause the lattices of the mullite and Al2O3 in the bauxite phase to be activated, then the decomposition and refinement phenomena occur in the large crystal grain aggregate and the activity increases, so as to make the silicon nitride, corundum and mullite be able to contact fully.
Therefore, a large number of fine columnar Sialon phase can be seen in the specimen 4.
At the same time, the bauxite refractory materials contain a large number of low melting point oxide impurities (TiO2, Fe2O3, K2O, Na2O, etc.).
Under the experimental conditions, the particle size of the raw materials is large, the reaction temperature is low, but the X ray can detect a large number of β-Sialon.
The decomposition and volatilization of the oxides cause the lattices of the mullite and Al2O3 in the bauxite phase to be activated, then the decomposition and refinement phenomena occur in the large crystal grain aggregate and the activity increases, so as to make the silicon nitride, corundum and mullite be able to contact fully.
Therefore, a large number of fine columnar Sialon phase can be seen in the specimen 4.
At the same time, the bauxite refractory materials contain a large number of low melting point oxide impurities (TiO2, Fe2O3, K2O, Na2O, etc.).
Online since: August 2013
Authors: Bing Xia Lin, Ming Guo Deng, Xu Wen Liang
Crystal particle often contains a large number of droplet-like chalcopyrite minerais and constitutes a solid solution separation structure, which reflects the issue of chalcopyrite and sphalerite is formed at the same time, and evidences that the ore-forming fluid had experienced the high temperature in the mineralization stage.
Galena, as the main metal mineral, galena and sphalerite in the ore formed basically in the same period, a small number formed in the sedimentary diagenetic period, a large number formed in hydrothermal reformation metallogenic period, gray hypidiomorphic granular particle size is 0.005-1.2 mm.
Magnetite crushes and produces a large number of cracks, wrapped and distributed in colloidal pyrite and pyrrhotite, occurs as dissemination.
Pyrite type half since-idiomorph and granular distribution in the surrounding rock structure, form structure and grain sphalerite early fine disseminated cement gangue mineral.
Galena, as the main metal mineral, galena and sphalerite in the ore formed basically in the same period, a small number formed in the sedimentary diagenetic period, a large number formed in hydrothermal reformation metallogenic period, gray hypidiomorphic granular particle size is 0.005-1.2 mm.
Magnetite crushes and produces a large number of cracks, wrapped and distributed in colloidal pyrite and pyrrhotite, occurs as dissemination.
Pyrite type half since-idiomorph and granular distribution in the surrounding rock structure, form structure and grain sphalerite early fine disseminated cement gangue mineral.
Online since: March 2009
Authors: Peter Hodgson, Cui E Wen, Yun Cang Li, Jian Yu Xiong, C.S. Wong
Sol-gel process is one of the most promising
methods, which has the benefit of phase and structure homogeneity due to atomic level mixing; finer
grain microstructure and lower temperature of crystallization.
Colorimetric analysis and comparison to a standard curve of known viable cell numbers can be used to calculate viable cell numbers for each condition.
A number of cracks distributed on the TiO2 and HA coatings.
In the present study, MTT assay was performed on Ti plates with different film-coatings to quantitatively determine the number of viable cells which have attached on the plate surfaces after incubation for 7 d.
Colorimetric analysis and comparison to a standard curve of known viable cell numbers can be used to calculate viable cell numbers for each condition.
A number of cracks distributed on the TiO2 and HA coatings.
In the present study, MTT assay was performed on Ti plates with different film-coatings to quantitatively determine the number of viable cells which have attached on the plate surfaces after incubation for 7 d.