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The purpose of this information will be to identify the most common infrared-transmitting materials, pointing out important Qualities and their common manufacturing and optical coating possibilities. The knowledge presented in this post is for reference applications only.new aspect just after his state. At some time, Germany was still relatively ne
Mostre de compuși ai germaniului preparate de descoperitorul elementului, Clemens Winkler În raportul său Legea Periodică a Elementelor Chimice din 1869, chimistul rus Dâmitri Ivanovici Mendeleev a prezis existența unor elemente chimice necunoscute, inclusiv cea a unui aspect treatment ar fi completat un loc vacant în grupa carbonului din Ta