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A photodiode pyranometer, product Quantum A photodiode-centered pyranometer consists by a housing dome, a photodiode, and a diffuser or optical filters. The photodiode has a small surface area region and acts being a sensor. , yodium radioaktif berumur pendek dan hanya ada sekitar dua bulan setelah kecelakaan. Jadi, jika paparan udara terjadi sete