[ad_1] Zone melting is a process that purifies crystals, especially those used in semiconductors, by heating them and pushing impurities to the bottom. The crystal is slowly subjected to a heat zone and the impurities move towards the cooler part. Zone refining is used to ensure complete purification. Zone melting is a purification process for […]
[ad_1] Hyphens are difficult to use correctly in English due to evolving rules. Compound words can be written as one word, two words, or with a hyphen. Use context and a dictionary to determine correct usage. Common words are rarely hyphenated. Don’t panic about spelling compound words correctly, as the rules are tentative and mistakes […]
