On the basis of the principle of eddy current testing, the instrument was designed for the quality of austenitic heat-resistant steel air valve.

针对奥氏体耐热钢气阀质量检测的问题，依据涡流检测原理，设计了奥氏体耐热钢气阀缺陷及硬度的涡流检测装置。

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It has the advantage of the heavy quality refractory and the light quality and has the higher strength, high temperature resistant, low physical volume density and low heat transmit rate.

它集重质耐火浇注料和轻质隔热浇注料的优点于一体，既具备强度高、耐高温的机械性能，又具备低体积密度、低导热率的隔热性能。

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The tests show that the new process can clearly improve the quality of the heat resistant bends and decrease the cost.

结果表明，电渣精铸可以明显改善耐热钢弯管的质量，并降低了成本。

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"The holy grail is a heat-resistant varietal that provides quality coffee, " says Patrick Criteser, chief executive of Coffee Bean International, which supplies the private-label coffees to such retailers as Target and Kroger and is part of World Coffee Research.

WSJ: The Indiana Jones of Coffee