An in-situ method for regenerating a deactivated catalyst can remove a calcium sulfate layer masking active catalyst sites.

一种对失活的催化剂进行原位再生的方法，该方法能除去掩蔽催化剂位点的硫酸钙层。

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In this tutorial, we will be using Layer Masking.

在这个教程里，我们将使用蒙板。

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Whatever else it may accomplish, Zeng's effort removes a layer of culture's masking from me.

曾梵志的其他成就也在于从我(me)的身上剥离了文化的面具。

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Only when all the masking and etching is complete is the sacrificial gate layer dissolved away, allowing the gates (and the insulation layers between the gate and channel of each transistor) to be filled in.

ECONOMIST: Transistors: A tall story | The