Two HVAC nitrogen purging regulator/flowmeters are available for the HVAC market. The regulators incorporate a hybrid design and function as both a pressure regulator and flowmeter depending on the ...

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A high flow rate will tend to cool the tube, reducing brazing heat efficiency. Excess nitrogen pressure can build up inside the tube and reduce braze alloy penetration. A small hole in a cap at the ...

In the Netherlands, climate activists with Greenpeace celebrated Wednesday after a judge ordered the Dutch government to dramatically cut nitrogen emissions by 2030. Greenpeace successfully argued ...

A new chemosensor has been used to monitor atmospheric nitrogen oxides [NO + NO 2] at parts per billion (ppb) level. It is based on the catalytic reaction of nitrogen oxides with rhodamine B hydrazide ...

This is the metadata section. Skip to content viewer section. We used pulsed and continuous additions of 15N together with whole-ecosystem metabolism measurements to elucidate the mechanisms of ...