... (или) экономии денежных средств. The article describes the basic principles for determining the mass flow rate by modern flow measurement devices. It were proposed the comparison of methods on the example of a vortex flowmeter, mass flowmeter,hot-wire flowmeter on the experience of the using in different enviroments. Basic principles to flowmeter selection were listed. Also were revealed main advantages thatcan be obtained by using the particular type of devices and were named ...

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