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    • 6. 发明申请
    • Self-Dispersing Nanoparticles
    • 自分散纳米颗粒
    • US20140158931A1
    • 2014-06-12
    • US14116599
    • 2012-05-04
    • Olivier PonceletRenaud BorletDaniel Getto
    • Olivier PonceletRenaud BorletDaniel Getto
    • C09K5/10
    • C09K5/10C01B13/145C01F7/02C01F7/026C08G73/0233C08K3/22C09C1/3072C09C1/3676C09C3/10C09K5/14C08L79/02
    • The invention relates to a process for manufacturing nanoparticles that are self-dispersing in water. It also relates to the self-dispersing nanoparticles obtained by the process of the invention and also a process for manufacturing a heat-transfer fluid containing the nanoparticles according to the invention or obtained by the process of the invention. The process of the invention comprises the following steps: a) optionally, manufacture of an aqueous dispersion of nanoparticles chosen from the nanoparticles of alumina (Al2O3), of zinc oxide (ZnO), of titanium oxide (TiO2), of silica (SiO2) and of beryllium oxide (BeO), b) addition to an aqueous dispersion of nanoparticles chosen from nanoparticles of alumina (Al2O3), of zinc oxide (ZnO), of titanium oxide (TiO2), of silica (Si2) and of beryllium oxide (BeO), of a water-soluble polymer chosen from polyvinyl alcohols, polyethylene glycols, polyvinylpyrrolidones, polyoxazolines, starches, and mixtures of two or more thereof, and c) thermal quenching of the dispersion obtained in step b), and d) lyophilisation of the quenched dispersion obtained in step c). The invention finds an application in the field of coolants in particular.
    • 本发明涉及一种在水中自分散的纳米颗粒的制造方法。 它还涉及通过本发明的方法获得的自分散纳米颗粒,以及制备含有根据本发明的纳米颗粒或通过本发明的方法获得的传热流体的方法。 本发明的方法包括以下步骤:a)任选地制备选自氧化铝(ZnO),氧化钛(TiO 2),氧化硅(SiO 2)的氧化铝(Al 2 O 3),氧化锌(ZnO) 和氧化铍(BeO),b)添加到选自氧化铝(Al 2 O 3),氧化锌(ZnO),氧化钛(TiO 2),二氧化硅(Si 2)和氧化铍( BeO),选自聚乙烯醇,聚乙二醇,聚乙烯吡咯烷酮,聚恶唑啉,淀粉及其两种或多种的混合物的水溶性聚合物,和c)步骤b)中获得的分散体的热淬灭,以及d)冻干 在步骤c)中获得的骤冷分散体。 本发明特别适用于冷却剂领域。
    • 7. 发明授权
    • Method and device for detecting and/or quantifying water leaks
    • 用于检测和/或定量泄漏的方法和装置
    • US08342006B2
    • 2013-01-01
    • US12518850
    • 2007-11-27
    • Daniel GettoPatrick Burghoffer
    • Daniel GettoPatrick Burghoffer
    • G01M3/04
    • G01M3/2807G01F1/7088
    • The invention relates to a method for detecting and/or quantifying water leaks in a water pipe, and to a device for realizing said method. The method of the invention comprises measuring the water flow rate in the pipe in at least two different locations, i.e., one downstream and one upstream relative to the suspected leak, the water flow rate being measured by injecting a tracing agent that modifies the water conductivity instantaneously at an upstream location and a downstream location relative to the suspected leak location, continuously measuring the water conductivity downstream from said locations and, from the conductivity values, calculating the water flow rates upstream and downstream relative to the suspected leak location in the pipe. The method of the invention can be used for quantifying a leak flow rate that can even be a very small one.
    • 本发明涉及一种用于检测和/或定量水管中漏水的方法,以及用于实现所述方法的装置。 本发明的方法包括在至少两个不同位置(即相对于可疑泄漏的一个下游和一个上游)测量管道中的水流速度,通过注入改变水导电性的追踪剂来测量水流速度 在相对于可疑泄漏位置的上游位置和下游位置即时地连续地测量所述位置下游的水电导率,并且根据电导率值计算相对于管道中的可疑泄漏位置的上游和下游的水流量。 本发明的方法可以用于量化甚至可以是非常小的泄漏流量。
    • 8. 发明申请
    • METHOD AND DEVICE FOR DETECTING AND/OR QUANTIFYING WATER LEAKS
    • 用于检测和/或定量水泄漏的方法和装置
    • US20100064776A1
    • 2010-03-18
    • US12518850
    • 2007-11-27
    • Daniel GettoPatrick Burghoffer
    • Daniel GettoPatrick Burghoffer
    • G01M3/28G01F1/708
    • G01M3/2807G01F1/7088
    • The invention relates to a method for detecting and/or quantifying water leaks in a water pipe, and to a device for realizing said method. The method of the invention comprises measuring the water flow rate in the pipe in at least two different locations, i.e., one downstream and one upstream relative to the suspected leak, the water flow rate being measured by injecting a tracing agent that modifies the water conductivity instantaneously at an upstream location and a downstream location relative to the suspected leak location, continuously measuring the water conductivity downstream from said locations and, from the conductivity values, calculating the water flow rates upstream and downstream relative to the suspected leak location in the pipe. The method of the invention can be used for quantifying a leak flow rate that can even be a very small one.
    • 本发明涉及一种用于检测和/或定量水管中漏水的方法,以及用于实现所述方法的装置。 本发明的方法包括在至少两个不同位置(即相对于可疑泄漏的一个下游和一个上游)测量管道中的水流速度,通过注入改变水导电性的追踪剂来测量水流速度 在相对于可疑泄漏位置的上游位置和下游位置即时地连续地测量所述位置下游的水电导率,并且根据电导率值计算相对于管道中的可疑泄漏位置的上游和下游的水流量。 本发明的方法可以用于量化甚至可以是非常小的泄漏流量。