Full synthetic high temperature chain oils were developed based on superior ester base oils and multifunctional complex additives,which show outstanding high temperature thermal oxidation stability,low evaporation loss and depositing tendency,and good anti-wear property.

The high temperature chain oil formulated with alkylated biphenyl ether possesses excellent oxidative steady ability and lubricity,which can satisfy the lubricating requirements of high temperature chain.

Matching antioxidation additive, hightemperature stabilizer and proper additives to base oil which is composed of polyether, GTM80 highviscosity chain oil can be formulated in laboratory.

It is possessed the remarkable elevated temperature stability,elevated temperature lubricity and anticoking ability of elevated temperature chain oil developed with synthetic ester as base Stock.

Probing into construction technique of the rolled concrete dam with high temperature condition in the Baise WR pivotal project;

Scheme design and performance analysis of a new chain drive pumping unit

In the light of the problems with the existent chain drive pumping hots,a new weight-balanced chain drive pumping unit without the reverse rack is designed.

An effective method to recover thermostreptomyces DNA from agarose gels;