The converter can increase smelting a stove steel daily throng shorten melting period.

冶炼周期缩短，每天可多炼一炉钢；

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Two separate periods are identified:the iron shell period and melting period, after immersion of ferrosilicon into liquid iron.

结果表明：硅铁浸入铁液至完全熔化分为两个时期，即铁壳期和熔化期；

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When the plate total heat exchanger run in a day, it can be divided into three periods: frost occurring period, frost stable period and frost melting period.

冬季板式全热交换器在全天中的运行可分为结霜发生期、结霜稳定期和融霜期三个时期。

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So it is especially enlightening to hear how he chose Ma Cocotte's furnishings, many of which are from the melting-pot period of the 1940s up to 1955, when Scandinavian and especially American influences began to filter into France.

WSJ: At Philippe Starck's Table | Ma Cocotte

According to the National Snow and Ice Data Center, Arctic sea ice is melting faster than its average over the 1979 t0 2000 period.

FORBES: On Romney's 'Rising Oceans', Time To Get A Bigger Boat