Method and arrangement for measuring the concentration of gases
    2.
    再颁专利
    Method and arrangement for measuring the concentration of gases 失效
    用于测量气体浓度的方法和装置

    公开(公告)号:USRE31879E

    公开(公告)日:1985-05-07

    申请号:US403121

    申请日:1982-07-29

    Abstract: A method and an arrangement for measuring the concentration of gases in a sample includes the generation of a monochromatic light beam having predetermined color characteristic. An indicator generates light signals indicative of the concentration of the gases in a sample to be measured and includes a light-transmissive surface positioned to be impinged by the monochromatic light beam, a diffusion membrane adapted to be placed in the proximity of a sample and being permeable to a selected gas component thereof, and an indicating substance positioned to be impinged by the monochromatic light beam penetrating the light-transmissive surface and by the gas component penetrating the diffusion membrane. The indicating substance reacts when illuminated by the incident monochromatic light by emitting a resultant light beam having an emitted component which has a color characteristic different from the predetermined color characteristic of the monochromatic light beam. The resultant light beam is conducted away from the indicating substance through the light-transmissive surface. Finally, the emitted component is discriminated from the resultant light beam so that the change in the color characteristic of the indicating substance can be measured and correlated with the concentration of gases in the sample.

    Sensor for measuring physical parameters of concentration of particles
    3.
    发明授权
    Sensor for measuring physical parameters of concentration of particles 失效
    用于测量颗粒浓度物理参数的传感器

    公开(公告)号:US4889690A

    公开(公告)日:1989-12-26

    申请号:US51252

    申请日:1987-05-07

    CPC classification number: G01N21/643 G01N2021/6434 G01N21/77 G01N2201/06

    Abstract: A sensing arrangement for measuring physical parameters or concentration of particles is assembled of a laminar source of luminescent radiation. Fluorescent indicating particles are arranged in an indicator layer adjoining one major side of the laminar light source. The indicator layer adjoins a measuring space containing the object of measurement whose particles enter the indicator layer by diffusion. Fluorescent indicating particles are arranged in the indicator layer to emit fluorescent light when illuminated by the laminar light source. Photoelectric receiver is adjacent the opposite side of the laminar light source to measure the intensity of the fluorescent radiation. In a modification, luminescent phosphors and fluorescent particles are arranged in a common matrix.

    Abstract translation: 用于测量物理参数或颗粒浓度的感测装置由发光辐射的层流源组装。 荧光指示颗粒布置在与层状光源的一个主侧相邻的指示剂层中。 指示层与包含测量对象的测量空间相邻,测量对象的粒子通过扩散进入指示层。 荧光指示颗粒被布置在指示剂层中,以在被层状光源照射时发出荧光。 光电接收器邻近层状光源的相对侧,以测量荧光辐射的强度。 在一个修改中,发光荧光体和荧光颗粒被布置在共同的基质中。

    Arrangement for measuring potential differences
    4.
    发明授权
    Arrangement for measuring potential differences 失效
    测量潜在差异的安排

    公开(公告)号:US4701697A

    公开(公告)日:1987-10-20

    申请号:US572927

    申请日:1984-01-20

    CPC classification number: G01N21/77 G01R19/10

    Abstract: To measure potential differences in second-class conductors without interference potentials, there are provided a potential generator cooperating with a potential-measuring structure. This structure includes a substrate of electrically highly insulating and chemically inert material embedding optical indicators whose optical properties change as a function of the applied electric potential difference. Both the potential generator and the potential-measuring structure have boundary surfaces which are in contact with the second-class conductor and opposite surfaces interconnected by an equalizing conductor. A light-measuring device is arranged for intercepting light changes in the indicators, thus measuring the potential difference.

    Abstract translation: 为了测量没有干扰电位的二级导体的电位差,提供了与电位测量结构配合的潜在发生器。 该结构包括具有高度绝缘和化学惰性的材料的衬底,其嵌入光学指示器,其光学性质随施加的电位差​​而变化。 电势发生器和电位测量结构都具有与二等导体和由均衡导体互连的相对表面接触的边界面。 布置了一种光测量装置,用于截取指示灯中的光线变化,从而测量电位差。

    Fluorometer
    5.
    发明授权
    Fluorometer 失效
    荧光计

    公开(公告)号:US4643877A

    公开(公告)日:1987-02-17

    申请号:US638883

    申请日:1984-08-08

    CPC classification number: G01N21/645 G01N2021/6434 G01N2021/7786 G01N21/80

    Abstract: In order to increase measuring sensitivity of a fluorometer, a transmitter of monochromatic test light beam is arranged opposite a receiver of a measuring light beam. A measuring chamber including a fluorescent indicator space is arranged between the transmitter and the receiver. The distance between the transmitter and the receiver is adjustable to match to the thickness of the measuring chamber.

    Abstract translation: 为了增加荧光计的测量灵敏度,单色测试光束的发射器被布置成与测量光束的接收器相对。 在发射器和接收器之间布置了包括荧光指示器空间的测量室。 发射器和接收器之间的距离是可调节的,以与测量室的厚度相匹配。

    Arrangement for optical measuring of concentration of substances
    6.
    发明授权
    Arrangement for optical measuring of concentration of substances 失效
    用于光学测量物质浓度的安排

    公开(公告)号:US5059396A

    公开(公告)日:1991-10-22

    申请号:US249586

    申请日:1988-09-26

    Abstract: An arrangement for optical measuring concentration of substances has a measuring space which is composed of a material selectively permeable for particles to be measured, acting back on the particles and transparent for a measuring radiation, and a measuring space is arranged in working connection with the object to be measured and the measuring radiation passes through the measuring space. The measuring space has a layer that is a water-insoluble solvent or made of poly(ethylene terephthalate) or polytetrafluoroethylene. The layer excludes a reaction from the particles to be measured.

    Abstract translation: 用于光学测量物质浓度的装置具有测量空间,该测量空间由对待测量颗粒选择性可渗透的材料组成,作用在颗粒上并且透明以用于测量辐射,并且测量空间被布置成与物体工作连接 被测量并且测量辐射通过测量空间。 测量空间具有作为水不溶性溶剂的层或由聚对苯二甲酸乙二醇酯或聚四氟乙烯制成的层。 该层排除了待测颗粒的反应。

    Device for optical measuring of physical dimensions and material
concentrations
    7.
    发明授权
    Device for optical measuring of physical dimensions and material concentrations 失效
    用于光学测量物理尺寸和材料浓度的装置

    公开(公告)号:US5057431A

    公开(公告)日:1991-10-15

    申请号:US245342

    申请日:1988-09-15

    Abstract: An optode designed to prevent washing away of the indicator and reagent from a membrane is located within an optical device that measures substance concentrations. The reagent and indicator materials are covalently bound on the membrane. The membrane can be a polysaccharide, especially cellulose, an acid glycol ester, or it can contain silicon. The indicator and/or reagent can be covalently bound to the membrane by a bridge molecular, particularly a multifunctional aldehyde, glutaraldehyde or a silane.

    Abstract translation: 设计用于防止指示剂和试剂从膜上洗掉的光学设备位于测量物质浓度的光学装置内。 试剂和指示剂材料共价结合在膜上。 膜可以是多糖,特别是纤维素,酸性乙二醇酯,或者它可以含有硅。 指示剂和/或试剂可以通过桥分子,特别是多官能醛,戊二醛或硅烷共价结合到膜上。

    Arrangement for measuring diffusing particles
    8.
    发明授权
    Arrangement for measuring diffusing particles 失效
    漫射粒子测定装置

    公开(公告)号:US4597392A

    公开(公告)日:1986-07-01

    申请号:US597105

    申请日:1984-04-02

    Abstract: An arrangement for measuring diffusing particles has at least one monochromatic radiation source and a light measuring device, as well as at least one material limited particle-permeable indicator chamber provided with an optical fluorescent indicator which is optically changeable by the particles to be measured, and a carrier body having a surface which is arranged to face an eyelid and has depressions in which the indicator chambers are arranged.

    Abstract translation: 用于测量漫射颗粒的布置具有至少一个单色辐射源和光测量装置,以及至少一个材料限制的可透过粒子的指示器室,其具有光学荧光指示器,该光学荧光指示器可被被测量的颗粒光学改变;以及 具有被设置为面对眼睑并且具有其中布置有指示器室的凹陷的表面的载体主体。

    Process and arrangement for measuring ion strength
    9.
    发明授权
    Process and arrangement for measuring ion strength 失效
    测量离子强度的过程和布置

    公开(公告)号:US4511660A

    公开(公告)日:1985-04-16

    申请号:US503251

    申请日:1983-06-10

    CPC classification number: G01N33/84

    Abstract: Process and apparatus for directly measuring the ion strength of an electrolyte solution is disclosed. The pH value of the electrolyte is measured by means of a first measurement with a first indicator dependent on the ion strength and by means of a second measurement with a second indicator dependent on ion strength in a manner different from the first indicator whereby the ion strength is computed by means of the approximation ##EQU1## J=ion strength Jo=ion strength upon calibrationpH'(N)=pH value, measured with a first indicator N dependent on the ion strength (HPTS)pH'(X)=pH value, measured with a second indicator X dependent on the ion strength, the ion strength dependence of which is different from that of the first indicatorW(N)=valency of the first indicatorW(X)=valency of the second indicatorwith ##EQU2## The ion strengths of other ions and of unknown electrolyte may also be computed.

    Abstract translation: 公开了用于直接测量电解质溶液的离子强度的方法和装置。 电解质的pH值通过第一测量来测量,其中第一指示剂取决于离子强度,并且借助于第二指示剂以与第一指示剂不同的方式依赖于离子强度的第二指示剂来测量,由此离子强度 (2)J =离子强度Jo =校准时的离子强度pH值(N)= pH值,取决于离子强度(HPTS)pH'(X)的第一指示剂N测量 )= pH值,其取决于离子强度的第二指示剂X,其离子强度依赖性不同于第一指示剂W(N)=第一指示剂的化合价W(X)=第二指示剂的化合价 指示器(2a)可以计算其他离子和未知电解质的离子强度。

    Photometer including auxiliary indicator means
    10.
    发明授权
    Photometer including auxiliary indicator means 失效
    光度计包括辅助指示装置

    公开(公告)号:US4255053A

    公开(公告)日:1981-03-10

    申请号:US903411

    申请日:1978-05-08

    CPC classification number: G01N21/643

    Abstract: An apparatus for an optical measurement of the concentration of substancesncluding at least one monochromator means, one photometer means and one optometric means. A further reference indicator means is added to the indicator means. This further indicator means changes the measuring light and will not be changed by the concentration of the substance to be measured.

    Abstract translation: 一种用于光学测量包括至少一个单色仪装置,一个光度计装置和一个验光装置的物质浓度的装置。 另外的参考指示装置被添加到指示装置。 该进一步的指标意味着改变测量光,并且不会被待测物质的浓度改变。

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