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Online since: June 2014
Authors: Yu Yun Fu, Jian Lei Zhou, Jian Xiao
Similarly, the specific quality of desulfurization wastewater are closely related to the classification of coal, the number of poles of electrostatic precipitator, the air volume of oxidative desulfurization, the concentration control of Cl- in the absorber, the water quality in the desulfurization process and so on
The conversion equation is: (NH4)2CO3 +CaSO4 →CaCO3+(NH4)2SO4 (13) The calcium in FGD gypsum is also an important nutrient the crop needs, which can help crop resist pests and diseases, get the crop stems stout, and the grain plump.
The conversion equation is: (NH4)2CO3 +CaSO4 →CaCO3+(NH4)2SO4 (13) The calcium in FGD gypsum is also an important nutrient the crop needs, which can help crop resist pests and diseases, get the crop stems stout, and the grain plump.
Online since: November 2012
Authors: F.C. You, Y. Zhang
After we have analyzed the large number of domestic and foreign-related information, and have analyzed the partial discharge signals and various interference signals, and have studied various partial discharge wavelet denoising method in detail, this paper puts forward an improved wavelet threshold denoising method based on existing methods.
White noise interference White noise includes all kinds of random noises, such as transformer winding thermal noise, the grounding grid noise, and the various noises caused by the coupling of the power distribution lines, transformers relay protection signal lines, and the electronic components scattered grain of noise from partial discharge measurement system.
White noise interference White noise includes all kinds of random noises, such as transformer winding thermal noise, the grounding grid noise, and the various noises caused by the coupling of the power distribution lines, transformers relay protection signal lines, and the electronic components scattered grain of noise from partial discharge measurement system.
Online since: December 2014
Authors: Jie Chen, Yang Li
Combined with the experimental results, it can be used to analyze the internal temperature and pressure environment, in order to optimize furnace design, the heater number, provides the theory basis for the energy conservation of SiC mass industrial production.
The cross-section which is perpendicular to the heat source is analyzed; (2) Make the assumption that furnace materials are fully mixing, close-grained, and reaction materials are isotropous in the whole synthesis process; (3) The synthetic material in the furnace are treated as one substance.
The cross-section which is perpendicular to the heat source is analyzed; (2) Make the assumption that furnace materials are fully mixing, close-grained, and reaction materials are isotropous in the whole synthesis process; (3) The synthetic material in the furnace are treated as one substance.
Online since: October 2015
Authors: Jozef Maščeník, Radoslav Krehel', Slavko Pavlenko
At present there are a large number of them to the fore and their constant studying is constantly being emphasized, which is being achieved by the proper functioning of the machining process.
Rimár, Effect of grain size and type of abrasive spectrum of vibration acceleration in the process of water jet cutting, 5 (2011) 39/1-39/4
Rimár, Effect of grain size and type of abrasive spectrum of vibration acceleration in the process of water jet cutting, 5 (2011) 39/1-39/4
Online since: February 2012
Authors: Chuan Wei Zang, Chuan Le Ma, Xue An Zhuang
The north double-track railway crosscut is excavated through several strata, and the lithology is the fifth coal (0.4~0.6 m thick), Al mudstone (1.8~2.1 m thick), shale (7.6~9.1 m thick), the sixth coal (0.6~0.8 m thick) and fine-grained sandstone (6 m thick).
Tab.2 Main technical parameters of injection pump Air source pressure 0.5-0.63 MPa Air consumption 50 m3/h Grout pressure 7 MPa Grout volume 60 L/min Cylinder diameter 150 mm Machine quality 17.1 kg 2) Burden Based on the number of grouting holes to determine the amount of water, add water to the barrel spices, starting blender stirring slowly, and then based on the water-cement ratio (1:3) ,add 425# cement and ACZ-supplement slowly, add and whip at the same time, grout after mixing well. 3) Grouting (1) Remove the wire of the end anchor, connect the grouting device to the internal thread of anchor, tighten the grouting slowly, and then connect grouting pipe with the injection pump
Tab.2 Main technical parameters of injection pump Air source pressure 0.5-0.63 MPa Air consumption 50 m3/h Grout pressure 7 MPa Grout volume 60 L/min Cylinder diameter 150 mm Machine quality 17.1 kg 2) Burden Based on the number of grouting holes to determine the amount of water, add water to the barrel spices, starting blender stirring slowly, and then based on the water-cement ratio (1:3) ,add 425# cement and ACZ-supplement slowly, add and whip at the same time, grout after mixing well. 3) Grouting (1) Remove the wire of the end anchor, connect the grouting device to the internal thread of anchor, tighten the grouting slowly, and then connect grouting pipe with the injection pump
Online since: February 2019
Authors: Valeria V. Strokova, L.N. Botsman, Yulia N. Ogurtsova
To simplify the mathematical planning of experiments and to reduce the number of varying factors it was experimentally confirmed that the amount of added active granulated aggregate and the amount of water may be considered the most critical optimization parameters characterizing density, porosity, compression strength, heat conduction and water absorption [16].
[10] Strokova V.V., Ogurtsova Yu.N., Botsman L.N., Influence of active component characteristics on the degree of impregnation of fine-grained concrete during epicrystallization modifying, Bulletin of Belgorod State Technological University named after V.G.
[10] Strokova V.V., Ogurtsova Yu.N., Botsman L.N., Influence of active component characteristics on the degree of impregnation of fine-grained concrete during epicrystallization modifying, Bulletin of Belgorod State Technological University named after V.G.
Online since: August 2013
Authors: Rui Lang Cao, Shao Hui He, Fang Wang, Fa Lin Qi
This results in the production of a number of large section, great depth, large flat, super close-ups of the projects.
The surrounding rock mainly consists of medium grain adamellite with huge phenocrysts, and the mechanical parameters of the surrounding rock and the surrounding rock relevant seepage flow parameters are listed in Table 2 when the coupling problem is considered in numerical simulation.
The surrounding rock mainly consists of medium grain adamellite with huge phenocrysts, and the mechanical parameters of the surrounding rock and the surrounding rock relevant seepage flow parameters are listed in Table 2 when the coupling problem is considered in numerical simulation.
Online since: August 2013
Authors: Lan Li, Long Mei Tian, Ning Zhao
Its products have compact organization, being grained refining, less interior defects and higher quality.
When the thermal fatigue crack forming, along with the increase of cycle number, some small cavities will appear near the crack tip and gradually form micro cracks, and continue to expand amalgamated with the initial main crack, finally cracks are mutually connected to form a crack shaped as mesh or "claw" to cause the mold failure.
When the thermal fatigue crack forming, along with the increase of cycle number, some small cavities will appear near the crack tip and gradually form micro cracks, and continue to expand amalgamated with the initial main crack, finally cracks are mutually connected to form a crack shaped as mesh or "claw" to cause the mold failure.
Online since: July 2020
Authors: Satoshi Matsuyama, Yasuhisa Sano, Kazuto Yamauchi, Yuma Nakanishi, Risa Mukai
Solid KOH grains were put into a crucible (Ni; diameter of approximately 30 mm, depth of 30 mm) and melted at 690℃.
However, after the second PCVM process, the number of etch pits did not increase; only the same etch pits, in the same sites, were present.
However, after the second PCVM process, the number of etch pits did not increase; only the same etch pits, in the same sites, were present.
Online since: November 2016
Authors: Kunio Matsuzaki, Takashi Murakami
Solid-state-recycled Mg alloys show high strength due to the refinement of grains induced by dynamic recrystallization during hot extrusion.
As AZ91 alloy is the most widely used among commercial Mg alloys, it is assumed that a large number of AZ91 chips come from the domestic market.
As AZ91 alloy is the most widely used among commercial Mg alloys, it is assumed that a large number of AZ91 chips come from the domestic market.