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    • 42. 发明专利
    • Dead time correction device and method of gas analyzer for measuring the concentration of exhaust gas generated from motor vehicles
    • 空值
    • JP3532947B2
    • 2004-05-31
    • JP31415493
    • 1993-11-20
    • 株式会社堀場製作所
    • 信隆 木原宏和 福島
    • G01N31/00G01N21/61
    • G01N33/0006G01M15/02G01M15/104G01N33/004Y02A50/244
    • PURPOSE:To accurately measure the dead time of a gas analyzer and to bring generation of NOx into coincidence with an acceleration region by inserting a probe of a gas analyzer to a tail pipe of an automobile, purging it with clean air, then switching it to a measuring state, and measuring a rising time of CO2 gas in exhaust gas. CONSTITUTION:The method for correcting the dead time of a gas analyzer comprises the steps of inserting the probe 2 of a gas analyzer 1 into the tail pipe 4 of an automobile 3, feeding clean air (a) from the analyzer 1 toward the probe 2 through a filter 7 by a bump 8, purging the gas in a system, then switching the analyzer 1 to a measuring state at a time t0 after the purging, and observing the rising time T of the pointer of a CO2 concentration measuring unit 5 to measure the dead time td from when exhaust gas G produced from the automobile 3 is passed through the probe 2 to when the gas G arrives at the concentration measuring units 5, 6. That is, the dead time is td=T-t0. The timing deviation between generation of the NOx and the acceleration region is corrected by using the measured time td.
    • 目的:为了精确测量气体分析仪的死区时间,并通过将气体分析仪的探针插入汽车尾管,用清洁空气吹扫,将其与加速区域产生一致,然后将其切换到 测量状态,并测量废气中二氧化碳气体的上升时间。 构成:用于校正气体分析器的死区时间的方法包括以下步骤:将气体分析器1的探针2插入汽车3的尾管4,将清洁空气(a)从分析器1向探针2 通过凸块8通过过滤器7,清洗系统中的气体,然后在清洗之后的时间t0将分析器1切换到测量状态,并且观察CO 2浓度测量单元5的指示器的上升时间T到 测量从汽车3产生的废气G通过探针2到气体G到达浓度测量单元5,6时的死区时间td。也就是说,死区时间为td = T-t0。 通过使用测量时间td来校正NOx的产生与加速区域之间的定时偏差。
    • 45. 发明申请
    • PROCESS-BASED APPROACH FOR THE DETECTION OF CO2 INJECTATE LEAKAGE
    • 用于检测二氧化碳注入泄漏的基于过程的方法
    • WO2014210509A1
    • 2014-12-31
    • PCT/US2014/044657
    • 2014-06-27
    • BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM
    • ROMANAK, KatherineBENNETT, Philip, C.
    • G01N33/00G01N33/24
    • G01N33/0004G01M3/226G01N33/004G01N33/24G01V9/00Y02A50/243Y02A50/244
    • The present invention includes a method for distinguishing between a natural source of deep gas and gas leaking from a CO 2 storage reservoir at a near surface formation comprising: obtaining one or more surface or near surface geological samples; measuring a CO 2 , an O 2 , a CH 4 , and an N 2 level from the surface or near surface geological sample; determining the water vapor content at or above the surface or near surface geological samples; normalizing the gas mixture of the CO 2 , the O 2 , the CH 4 , the N 2 and the water vapor content to 100% by volume or 1 atmospheric total pressure; determining: a ratio of CO 2 versus N 2 ; and a ratio of CO 2 to N 2 , wherein if the ratio is greater than that produced by a natural source of deep gas CO 2 or deep gas methane oxidizing to CO 2 , the ratio is indicative of gas leaking from a CO 2 storage reservoir.
    • 本发明包括一种区分天然深天然气体和在近地表面形成从CO 2储存容器泄漏的气体的方法,包括:获得一个或多个表面或近地表地质样品; 从表面或近地表地质样品测量CO2,O2,CH4和N2水平; 确定表面或近地表地质样品上或之上的水蒸气含量; 将CO 2,O 2,CH 4,N 2和水蒸气含量的气体混合物归一化为100体积%或1个大气压力; 确定:CO2与N2的比例; 和二氧化碳与氮气的比例,其中如果该比率大于由天然CO2源或深层气体甲烷氧化成二氧化碳产生的比率,则该比率表示从CO 2储存容器泄漏的气体。