【摘 要】
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Usually, a ultra-high vacuum system must be baked entirely,if its vacuum degree needs to be reached to P≤10-8 Pa in a short time. But some systems can not be b
【出 处】
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IMP & HIRFL Annual Report
论文部分内容阅读
Usually, a ultra-high vacuum system must be baked entirely,if its vacuum degree needs to be reached to P≤10-8 Pa in a short time. But some systems can not be baked because of its position or structure. In this case, we must adopt other method to achieve the requested vacuum degree.
Usually, a ultra-high vacuum system must be baked entirely, if its vacuum degree needs be be reached to P≤10-8 Pa in a short time. But some systems can not be baked because of its position or structure. In this case , we must adopt other method to achieve the requested vacuum degree.
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