October 22, 2020

1. The journal hook and the repaired oil station of the thin oil station adopt the pump shaft journal of the sliding bearing. The pump shaft journal wears or grinds the groove mark due to poor lubrication or lubricating oil with iron filings, sand particles, etc. The journal wear at the rubber gui

October 22, 2020

Recently, the Institute of Membrane Technology and Application Engineering of the Chongqing Institute of Green Intelligent Technology, Chinese Academy of Sciences has made progress in self-supporting graphene oxide nanocomposite forward osmosis membranes. The relevant research r

October 21, 2020

Stainless steel tube pitting causes: Stainless steel pitting occurs in aqueous environments containing iodine, chlorine, and bromine. The reason for the pitting of stainless steel pipes is that the chloride ions are active anions, which are easily adsorbed, squeeze out oxygen atoms, react with the

October 21, 2020

When decorating, we often encounter a number of multiple-choice questions. For example, is it better to choose a wooden keel or a light steel keel for the ceiling? Is it tiled or wood floor? Tile tile glue or cement is good? Different options have different advantages and disadvantages. The combin

October 20, 2020

Gear pump in the vacuum oil purifier, as an exhaust pump will have been purified in the vacuum tank separation of oil from the vacuum tank out of the oil to overcome the vacuum suction. The noise generated by gear pump is the main noise source of vacuum oil filter. Analysis of gear pump noise caus

October 19, 2020

How to design a villa balcony guardrail , no matter if it is an ordinary house or a villa house, the decoration on the balcony needs attention. In the guardrail design of the balcony, we must decide according to the safety standards. In this way, our daily life can be guaranteed. Today, Xiao Bian

October 18, 2020

Recently, in order to standardize the order of production, sales and use of security door (fire door) products, improve product quality, and further promote the transformation and upgrading of the industry, “China Gate” Yongkang held a conference on quality improvement and improvement o