IMPACT OF MIGRATION ON TUBERCULOSIS AND HIV EPIDEMIC SITUATION IN RUSSIA




The local forms of Zootecus (Gastropoda: Pulmonata: Subulinidae) of Pakistan: an archaeomalacological case study

In the past, several Asian subspecies Defining Gel and local forms of Zootecus have been described and some of them can be linked back to Zootecus insularis.Their collecting sites, shell shapes, dimensions and number of whorls have been listed in the past.In recent years, collections, observations and biometrics of dead shells have been carried out

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The patterns of changes in the degree of lubrication of the crankshaft bearings of car engines depending on the parameters of the load-speed modes of operation

The practice of operating machines and mechanisms indicates that bearing wear is one of the main reasons for limiting their durability.This especially applies to the sliding bearings of crankshafts of car engines, where the intensity of wear of their working surfaces Photography significantly depends on the properties of the lubricant.An experiment

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