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1. 发明专利

JPS6114533A Calculating method of pressure in vacuum state by vacuum tequnique 失效
标题翻译：通过真空气泡计算真空状态下的压力计算方法
公开(公告)号：JPS6114533A
公开(公告)日：1986-01-22
申请号：JP13409684
申请日：1984-06-30
申请人： Takehito Tomihara
发明人： TOMIHARA TAKEHITO
IPC分类号： G01L21/00 , G01L21/04
CPC分类号： G01L21/04
摘要： PURPOSE:To enable to measure a degree of vacuum correctly by making a jet of vapor by raising the temperature of mercury or oil with the normal temperature and low vapor pressure and discharging gas from the high vacuum side to the low vacuum side by this operation. CONSTITUTION:In measuring the degree of vacuum by a Macleod gage, the pressure P is calculated by a calculating formula of P=hXv/VTorr (h: height of mercury column, v: volume of C, V: volume of A). Then, V of the volume of A is set prescribedly beforehand and the minimum point of curvature of the graph is calculated and the value of the least P is calculated from the least values of v and h to obtain 10 mm. Hg.
摘要翻译：目的：通过在正常温度和低蒸汽压下提高汞或油的温度，并通过该操作将高压真空侧的气体从高真空侧排出到低真空侧，能够进行蒸气喷射，从而能够正确地测量真空度。构成：在测量麦克劳德量规的真空度时，通过计算公式P = hXv / VTorr（h：水银柱的高度，v：体积C，V：体积）计算压力P。然后，预先设定规定的A的体积V，并且计算曲线图的最小曲率点，并且从v和h的最小值计算最小P的值以获得10 -6 mm。汞。

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