In this type of transformer primary and secondary windings have a good magnetic coupling between them, so the leakage fluxes in them are relatively small, and basic welding properties are reactive coils (Choke) – usually with an adjustable inductance. In welding technology most widespread construction of the throttle, providing regulation of the reactance value in [...]
Increasing the shelf life of products in modified atmosphere (IGU), or why you need a vacuum-packaging machines. Packaging technology products in modified atmosphere emerged in the world is not accidental. In 18 century was observed effects of carbon dioxide in the pigmentation of food. Carbon dioxide is kept natural red color of meat and fish [...]
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