by MN Cohen · Cited by 37 — Pulse compression allows a radar system to transmit a pulse of relatively long duration and low peak power to attain the range resolution and detection ...

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It sends an infrared beam out to the surface of the food or drink and 'captures the reflected wavelengths that carry the signature of its composition'.

Whyrareearth metals are calledrare

The rare earths are a group of 17 chemical elements, several of which are critical for the energy transition. While conventional energy also relies on rare earths, the mix of energy-relevant rare earths that are needed going forward differs from the past.

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Rareearth elements

Objektiv - Das Wichtigste · Definition Objektiv: Ein Satz von Linsen, die Lichtstrahlen bündeln, um ein klares Bild eines Objekts zu erzeugen. · Objektiv in der ...

Rare materialsin the world

May 22, 2022 — You can use natural sunlight or an LED lamp to cure UV resin without UV light. Place your project in direct sunlight or under the LED lamp for ...

This technical paper examines demand and market growth projections for electric vehicles and wind turbines and explores the efficiency of rare earths’ use. It pays special attention to patent activity in magnets around the world. On the supply side, it explores: the outlook for the mining and processing of rare earths; current costs and their implications; and approaches to enhance the security of rare earth elements supply. The paper also delves deeper into the opportunities that innovation can play in reducing dependency on rare earths and discusses related policy implications.

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Surface roughness parameters in JIS B 0601. Peaks and valleys in the height direction; Average amplitude in the height direction; Average characteristics in ...

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The technical paper on Critical Materials for the Energy Transition emphasises that an accelerated energy transition requires a growing supply of critical materials, with Chapter 7 of the IRENA’s World Energy Transition Outlook 2022 further elaborating on these materials. IRENA continues to publish technical papers on groups of critical materials: the first one focuses on lithium and this second paper focuses on rare earth elements.