What is the work of dynode?

What is the work of dynode? A dynode is an electrode in a vacuum tube that serves as an electron multiplier through secondary emission. Secondary emission occurs at the surface of each dynode. Such an arrangement is able to amplify the tiny current emitted by the photocathode, typically by a factor of one million. What […]

Do microchip dog doors work?

Do microchip dog doors work? The SureFlap Microchip Pet Door is versatile, effective, easy to use and a steal at $150. This pet door reads your pet’s implanted microchip, allowing them to pass through while keeping other animals out. You can even program the door to lock and unlock at specified times. How are electromagnetic […]

What is IV tPA?

What is IV tPA? Tissue plasminogen activator (tPA) is an intravenous medicine given for ischemic stroke – a stroke caused by a blood clot – that can dissolve the stroke-causing clot. Studies show that people who receive tPA within 3 hours – up to 4.5 hours in some patients – have better and more complete […]

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