Petroleum drilling rigs are used for identifying geologic reservoirs and il barone wine for creating wells for extraction.The mud pumps of drilling rigs are operated at high mud rates to make possible the drilling process.The durability of the mud pump valves to erosive wear, due to the action of abrasive drilling fluid containing solid particles,
The theological debate: Its value and significance With negotiation and debate being the buzz-words of our day, it is of some value to explore, even if only superficially, the structure and tendency of the theological debate in the history of the church.In the theological debate the cardinal issue is the Word of God which determines the word of man
read more In this paper, we consider the problem of allocating resources among Decision Making Units (DMUs).Regarding the concept of overall (cost) efficiency, we consider three different scenarios and formulate three Resource Allocation (RA) models correspondingly.In the first scenario, we assume that overall efficiency of each unit remains unchan
Several industries, including aquaculture, produce effluents with high or varying salt concentrations.The treatment of such effluents by the biological nitrification process can be challenging, as the microbes performing this process are sensitive to salinity.In certain cases, such as in recirculating aquaculture systems (RAS), it is essential to m
Background: Disturbances in sleep could affect normal growth as well as behavior of children.It could also impair their cognitive development.Sleep problems have been increasing over the past few years.However, there is a gap regarding information about sleep practices and sleep problems among Indian children.Aim: A sleep questionnaire was designed