公开(公告)号：US20070077167A1

公开(公告)日：2007-04-05

申请号：US10577451

申请日：2004-10-29

申请人： Masaaki Mori ,  Yasuhiro Kubo ,  Yasuhiro Zasu ,  Masayuki Tani ,  Tamotsu Hamao

发明人： Masaaki Mori ,  Yasuhiro Kubo ,  Yasuhiro Zasu ,  Masayuki Tani ,  Tamotsu Hamao

IPC分类号： G01N27/00

CPC分类号： G01N21/3504 ,  A61B5/0836

摘要： As previous processing of measurement in which gas to be measured containing, as gas components, carbon dioxide 13CO2 and carbon dioxide 12CO2, is introduced into a cell, and in which the intensities of transmitted lights having wavelengths suitable for measurement of the respective gas components, are measured and then data-processed to measure the concentrations of the gas components, the air having a predetermined volume Va is sucked by a gas injection device 21, a gas exhaust valve V6 of a cell 11 is closed and the air stored in the gas injection device 21 is transferred to the cell 11 filled with the air at an atmospheric pressure, thereby to pressurize the cell inside. The pressure thus pressurized is measured as P. The cell volume Vc is subtracted from the product obtained by multiplying the sum. V0 of the volume Va and Vc the cell volume Vc, by the ratio P0/P in which P0 is the target pressure of the gas to be measured at which a calibration curve has been prepared for an isotope gas analysis and measurement, thus determining the one-time gas injection amount of the gas injection device 21. Thus, measured concentration variations based on changes in atmospheric pressure can be corrected.

摘要翻译： 作为先前的测量处理，其中待测量的气体含有作为气体组分的二氧化碳气体和二氧化碳气体二氧化碳 > 2 <！ - SIPO - >导入到电池中，并且其中测量了具有适于测量各个气体成分的波长的透射光的强度，然后进行数据处理以测量气体成分的浓度，空气 具有预定体积Va的气体由气体注入装置21吸入，电池单元11的排气阀V 6关闭，并且存储在气体注入装置21中的空气被传送到充满大气压的空气的电池单元11 从而对电池内部进行加压。 将如此加压的压力测量为P.从通过乘以和获得的乘积中减去单元容积Vc。 V0为体积Va，Vc为电池体积Vc，P0 / P为P0为待测气体的目标压力，其中准备了用于同位素气体分析和测量的校准曲线，从而确定 气体注入装置21的一次气体注入量。 因此，可以校正基于大气压变化的测量浓度变化。