Beingable to produce such a model is of great significance to bearing manufacturers. Taperedroller bearings belong to separation bearings, bearing inner and outer ringshave tapered raceway. The bearings can be divided into single row, double rowand f…
Hydroxypropyl methylcellulose is a water-soluble polymer compound, also known as water-soluble resin or water-soluble polymer. It increases the consistency of the mixture by increasing the viscosity of the mixing water. It is a hydrophilic polymer ma…
Gold nanoparticles or AuNPs are only a fraction of the size of human hair and are less than 100 nm in diameter.…
According to the Syrian News Agency, the United States illegally stationed troops in Syria using 123 tankers loaded with oil stolen from oil fields in northeastern Syria and headed to Iraq in batches. The convoy of oil tanks stopped and unloaded at t…