Method of and apparatus for determining the mean size of given particles in a fluid
    2.
    发明授权
    Method of and apparatus for determining the mean size of given particles in a fluid 失效
    用于确定流体中生成颗粒的平均尺寸的方法和装置

    公开(公告)号:US3666943A

    公开(公告)日:1972-05-30

    申请号:US3666943D

    申请日:1968-09-03

    Applicant: NAT RES DEV

    CPC classification number: G01N23/223 G01N23/12 G01N2223/076

    Abstract: A method of determining the mean size of given solid particles in a fluid comprises passing two x-ray beams of different energies into the fluid. The energies of the two X-ray beams being such that the resulting intensity of fluorescent radiations emitted from the particles due to one beam is substantially independent of the mean size of the particles while the intensity of fluorescent radiations emitted from the particles due to the other beam is substantially dependent upon the mean size of the particles. A comparison of the intensities of these two types of emitted fluorescent radiations gives an indication of the mean particle size.

    Abstract translation: 确定流体中给定固体颗粒的平均尺寸的方法包括将不同能量的两个X射线束传送到流体中。 两个X射线束的能量使得由于一个光束而从颗粒发射的荧光辐射的最终强度基本上与颗粒的平均尺寸无关,而由于其它颗粒而从颗粒发射的荧光辐射的强度 梁基本取决于颗粒的平均尺寸。 这两种类型的发射荧光辐射的强度的比较给出了平均粒度的指示。

    Analysis of moving fluids
    3.
    发明授权
    Analysis of moving fluids 失效
    移动流体分析

    公开(公告)号:US3925661A

    公开(公告)日:1975-12-09

    申请号:US45023374

    申请日:1974-03-11

    Applicant: NAT RES DEV

    CPC classification number: G01N23/223 G01N23/12 G01N2223/076

    Abstract: The invention concerns the analysis of moving fluids which may be slurries or the like. According to the invention the fluid to be analysed flows under pressure through an orifice at such a rate that it forms a clearly defined jet. Thus non-contact means such as an X-ray device can be used to analyse the fluid without the need of a window between the analysis means and the fluid. Means are provided both for determining the flow rate of the fluid in the jet and its dimensions so that the non-contact analysis means can be protected from damage should the flow rate or the dimensions of the jet vary beyond predetermined limits.

    Abstract translation: 本发明涉及可以是浆料等的移动流体的分析。 根据本发明,待分析的流体在压力下通过孔口以使其形成清晰限定的射流的速率流动。 因此,可以使用诸如X射线装置的非接触装置来分析流体,而不需要分析装置和流体之间的窗口。 提供了用于确定流体在射流中的流速及其尺寸的装置,使得如果流量或射流的尺寸变化超过预定限度,则可以保护非接触分析装置免于损坏。

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