Gold ore, gold-bearing sand ore and polymetallic ore (gold as a valuable component with collateral recovery) are the main sources of gold production. Among the capitalist countries in the world, 85% of the gold reserves that have been identified are from gold ore and gold-bearing sands, and the re

On April 21st, in the Tong Xu Industrial Park of Henan Jinyi New Energy Group, the SUV pure electric vehicle with a single charge and a maximum cruising range of up to 510 kilometers in China was officially released. It is understood that this car is jointly developed by the Jinyi Group and the Su

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Introduction: Plastic crushers are used to crush waste plastics and factory plastic scrap. They are widely used in the recycling of waste plastics and recycling of factory scraps. The plastic crusher drives the high-speed rotation of the movable cutter head through the motor, and the relat

The vacuum filter must be combined with a vacuum pump, a gas water separator, a blower, a centrifugal water pump, an automatic drain device, a filtrate tank, a pipeline, etc. to form a system to operate normally. The limit gauge vacuum pressure of the water ring vacuum pump, the plunger type direc

A chamber type flame furnace. The heat transfer in the furnace is not only by the reflection of the flame, but more importantly by the radiation heat transfer of the furnace roof, the furnace wall and the hot gas. In terms of heat transfer mode, many furnace types (such as heating furnaces, open he

Lead Zinc is one of the older metal human extracted from the lead-zinc ore. Lead and zinc are widely used in the electrical industry, machinery industry, military industry, metallurgical industry, chemical industry, light industry and pharmaceutical industry. In addition, lead metal has many uses i

Pre-sale orders for more than 2,000 vehicles, this is Jiangling Teshun's first month of pre-sale results; this figure is also a blockbuster in the domestic European light passenger market. According to the statistics of "The First Commercial Vehicle Network", in January and February

In recent years, with the development of genetically modified technology, people's attention to genetically modified foods has been increasing, and most of them are more concerned about the safety of genetically modified foods. Therefore, in order to protect food safety, the country

Sewage pump is a non-clogging pump, with many forms: such as submersible and dry two, the most common submersible WQ submersible sewage pump, the most common dry sewage pump, such as W-type horizontal Sewage pump and WL vertical sewage pump two. Mainly used to transport urban sewage, manure or liq

Many people understand the parameters of soil nutrients, water, and other parameters. However, many people are relatively unfamiliar with soil solutions. However, in fact, soil solution is a very important parameter indicator of soil. It is soil and moisture, the atmosphere, etc. The mix

Hot acid leaching of a large amount of iron and slag jarosite leached high alumina zinc refining process method, slag and high jarosite leached zinc oxide rotary kiln dust reduction after evaporation. The soot is rich in more than 90% of indium and more than 95% of zinc in the slag and high-dip sla