National Liquid Flow Technical Committee's Liquid Flow Branch Technical Committee Was Held
[China Instrument Network Instrument Conference] According to the State Administration of Quality ...
Cat : 202111
Logistics era Futian Times Auto powers urban green logistics
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On April 20th, 2017, the 7th China Electronic Commerce and Logistics Cooperative Development Confe ...
Public broadcasting system howling in current acoustic elimination
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An overview of noise and howling: The noise is usually poor sound quality, the sound is not clear ...
Overview and basic principles of nickel smelting
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(I. Overview Is made of copper matte smelting, an important step of nickel, cobalt pyro metallurgi ...
Low grade phosphate rock and bioleaching technology
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Phosphorus is an important chemical raw material and an essential element for crop growth. Industri ...
Gold and silver ore dressing (1)
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First, the development of domestic mineral veins gold gold ore veins many types, can be summarized ...
Method for increasing the aeration amount of a flotation machine
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How to increase the amount of flotation machine inflation? It can be adjusted from the following as ...
Process for treating cyanide-containing wastewater by ion exchange
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Ion exchange process is a process wastewater containing cyanide, cyanide wastewater domestic and in ...
Main content of hydrometallurgy
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Hydrometallurgical pretreatment include raw ore, ore extraction, solid - liquid separation, solutio ...
Vanadium toxicity and environmental safety
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First, the toxicity of vanadium The toxicity of vanadium is closely related to its valence and wat ...
What are the methods for extracting gold from cyanide leachate?
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There are many methods for extracting gold from cyanide leaching solution. If the carbon slurry meth ...
Working principle and advantages and disadvantages of roller crusher
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The working principle of the roller crusher : the two rollers are driven by two motors and rotated ...