In the manufacturing and assembly of a toroidal drive mechanism, errors have a great influence on the load sharing of the mechanism.In order to improve the load-sharing characteristics of the mechanism, a floating oil film structure system is designed to support the planetary gear and to compensate for inaccuracies in the manufacturing and assembly
Ants (Hymenoptera, Formicidae) are an efficient group of insects as predators of various arthropods.Based on records of the here predatory ant activity, a survey was carried out on the efficiency in predation of Anastrepha fraterculus (Diptera: Tephritidae) larvae, considering the percentage of removal of larvae using the variables of soil density
The purpose of the experiment was to study the influence of periodic using of neutralized phosphogypsum on the fertility of meadow chernozem soils of here Krasnodar Territory, achieving of the appropriate level of rice agrocenosis productivity, and the quality of rice grain.The timing of the effective use of phosphogypsum as a phosphorus fertilizer