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    • 28. 发明申请
    • Self-contained phosphate sensors and method for using same
    • 独立的磷酸盐传感器及其使用方法
    • US20070092972A1
    • 2007-04-26
    • US11259712
    • 2005-10-26
    • Caibin XiaoTimothy SivavecDavid EngelAndrew Leach
    • Caibin XiaoTimothy SivavecDavid EngelAndrew Leach
    • G01N31/22
    • G01N31/22G01N21/78Y10T436/16
    • Embodiments of the invention provide self-contained phosphate sensors with an analyte-specific reagent and a pH-modifier. The analyte-specific reagent includes a molybdenum salt or metal complex and a dye. The self-contained phosphate sensors can be used either in aqueous or non-aqueous solution or as a solid-state device. These self-contained phosphate sensors require no post-addition reagents to determine phosphate concentrations and the phosphate determination test requires a reduced number of procedural steps. Moreover, the self-contained phosphate sensor provides enhanced sensitivity and faster response time. Embodiments of the invention also provide a method for determining phosphate concentrations in a sample. The phosphate concentration in a sample can be quantified using a calibration curve generated by testing samples with known phosphate concentrations.
    • 本发明的实施方案提供具有分析物特异性试剂和pH-改性剂的自含磷酸盐传感器。 分析物特异性试剂包括钼盐或金属络合物和染料。 独立的磷酸盐传感器可以在水溶液或非水溶液中使用或作为固态装置使用。 这些独立的磷酸盐传感器不需要后加剂来测定磷酸盐浓度,磷酸盐测定测试需要减少数量的程序步骤。 此外,独立的磷酸盐传感器提供增强的灵敏度和更快的响应时间。 本发明的实施方案还提供了一种测定样品中磷酸盐浓度的方法。 可以使用通过测试具有已知磷酸盐浓度的样品产生的校准曲线来量化样品中的磷酸盐浓度。
    • 30. 发明授权
    • Deposition sensor based on differential heat transfer resistance
    • 基于差动传热阻力的沉积传感器
    • US08517600B2
    • 2013-08-27
    • US12606325
    • 2009-10-27
    • Zhaoyang WanCaibin Xiao
    • Zhaoyang WanCaibin Xiao
    • G01N25/20G01K17/00G01K3/00G01K7/00
    • G01N17/008
    • A system and method are disclosed wherein differential heat transfer resistances are used to effectively and efficiently detect the early onset of deposit accumulation in industrial fluid processes and fluid transport vehicles.According to one embodiment, a probe is provided in conjunction with a heat source, a water source and a probe. The probe is comprised of a heat transfer surface, a first part of which is covered only by a thin metal layer. The second or remaining portion of the heat transfer surface is covered by a heat flux sensor and a thin metal layer. The metal layers of both the first and second areas of the probe are connected, and water flows across the full heat transfer surface. Deposition forms on a portion of the heat transfer surface as a result of slow water flow and elevated water temperature. The temperatures of the heat source, water source, and heat flux are measured. The deposition rate as a rate of change of heat transfer resistance is measured.
    • 公开了一种系统和方法,其中使用差分传热电阻来有效和有效地检测工业流体过程和流体运输车辆中沉积物积聚的早期发生。 根据一个实施例,结合热源,水源和探针提供探针。 探针由传热表面组成,其第一部分仅被薄金属层覆盖。 传热表面的第二部分或其余部分由热通量传感器和薄金属层覆盖。 探针的第一和第二区域的金属层被连接,并且水流过整个传热表面。 由于缓慢的水流和升高的水温,沉积在传热表面的一部分上形成。 测量热源,水源和热通量的温度。 测量作为传热阻力变化率的沉积速率。