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公开(公告)号：US3509035A
公开(公告)日：1970-04-28
申请号：US3509035D
申请日：1967-04-14
Applicant: BECKMAN INSTRUMENTS INC
Inventor： HUEBNER VICTOR R
IPC: G01N27/447 , B01K5/00
CPC classification number: G01N27/44769
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2.发明授权Continuous particle electrophoresis apparatus having improved particle band stability 失效具有改进粒子束稳定性的连续粒子电泳装置
公开(公告)号：US3458428A
公开(公告)日：1969-07-29
申请号：US3458428D
申请日：1966-11-03
Applicant: BECKMAN INSTRUMENTS INC
Inventor： HUEBNER VICTOR R
IPC: G01N27/447 , B01K3/10 , B01D13/02 , B01D59/42
CPC classification number: G01N27/44769
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公开(公告)号：US3563872A
公开(公告)日：1971-02-16
申请号：US3563872D
申请日：1968-08-28
Applicant: BECKMAN INSTRUMENTS INC
Inventor： HUEBNER VICTOR R
IPC: G01N27/447 , B01K5/00
CPC classification number: G01N27/44713 , G01N27/44769
Abstract: A SYSTEM FOR REGULATING THE MAGNITUDE OF THE ELECTRIC POTENTIAL GRADIENT APPLIED ACROSS THE ACTIVE ELECTROPHORESIS AREA OF AN ELECTROPHORESIS APPARATUS INCLUDING AN ELECTRODE DISPOSED ON EITHER SIDE OF THE ACTIVE AREA FOR MONITORING THE ELECTRIC POTENTIAL GRADIENT BEING APPLIED ACROSS THE ACTIVE AREA, A DIFFERENTIAL AMPLIFIER FOR COMPARING THE AMPLITUDE OF A FIRST SIGNAL DERIVED BY WAY OF THE ELECTRODES WITH A REFERENCE SIGNAL TO PROVIDE A SECOND OUTPUT SIGNAL HAVING AN AMPLITUDE WHICH IS A FUNCTION OF THE DIFFERENCE BETWEEN THE AMPLITUDES OF THE FIRST OUTPUT SIGNAL AND THE REFERENCE SIGNAL AND MEANS RESPONSIVE TO THE SECOND OUTPUT SIGNAL FOR VARYING THE MAGNITUDE OF THE ELECTRIC POTENTIAL GRADIENT BEING APPLIED ACROSS THE ACTIVE ELECTROPHOERESIS AREA.
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4.发明授权Method for the concentration of trace impurities in gaseous media by absorption 失效通过吸收浓缩气体介质中痕量污染物的方法
公开(公告)号：US3486298A
公开(公告)日：1969-12-30
申请号：US3486298D
申请日：1967-06-30
Applicant: BECKMAN INSTRUMENTS INC
Inventor： HUEBNER VICTOR R
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