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    • 1. 发明授权
    • APPARATUS AND METHOD FOR SAMPLING
    • 用于采样的装置和方法
    • EP0474741B1
    • 1996-12-27
    • EP90908983.1
    • 1990-05-25
    • UNIVERSITY OF UTAH RESEARCH FOUNDATION
    • McCLENNEN, William, H.ARNOLD, Neil, S.MEUZELAAR, Henk, L., C.
    • G01N1/24G01N1/14G01N30/10
    • H01J49/0404G01N1/14G01N1/2247G01N1/24G01N30/10G01N30/16G01N2001/225G01N2030/383
    • The system operates by inducing a sample to flow into an outer chamber (22) and excluding the sample from an inner chamber (18) having an inner chamber orifice (11) located within the outer chamber by inducing a first pressure zone in the inner chamber such that a substantially discrete interface between the first pressure zone and sample is formed at the inner chamber orifice; reducing the first pressure zone to induce the sample to flow through the inner chamber orifice into and through the inner chamber such that the first pressure zone-sample interface is substantially undisturbed when the first pressure zone-sample interface (30) moves therethrough; inducing the sample to flow from the inner chamber into an inner tube (10) having an inner tube orifice within the inner chamber which forms a pathway (12) to a detector (13); inducing a second pressure zone in the inner chamber such that a second substantially discrete interface (31) is formed.
    • 该系统通过诱导样品流入外腔室(22)并且通过在内腔室(22)中诱导第一压力区域从具有位于外腔室内的内腔室孔口(11)的内腔室(18) 使得第一压力区和样品之间的基本上离散的界面形成在内腔室孔处; 减少所述第一压力区以诱导所述样品流过所述内腔室孔口进入并穿过所述内腔室,使得当所述第一压力区 - 样品接口(30)移动通过时所述第一压力区 - 样品接口基本上不受干扰; 诱导样品从内室流入内管(10),该内管在内室内具有内管孔,内管形成通向检测器(13)的通路(12); 在内腔中引入第二压力区,从而形成第二基本上离散的界面(31)。