Scandia and rhenium doped tungsten powders were prepared by solid-liquid doping combined with two-step reduction method.

用液-固掺杂及两段还原法制备了氧化钪及铼掺杂的钨粉。

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This paper covers the calibration method of tungsten-rhenium thermocouples using an optical pyromer as standtard instrument .

本文论述用光学高温计分度钨铼热电偶的方法及其测量不确定度。

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The invention discloses a multi-element high-temperature resistant anti-shock magnetron cathode which comprises tungsten, thorium, rhenium and potassium.

本发明公开了一种多元素耐高温抗震磁控管阴极，由钨、钍、铼、钾组成。

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