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    • 6. 发明授权
    • Method for observing chemical substances
    • 观察化学物质的方法
    • US07247492B2
    • 2007-07-24
    • US10222315
    • 2002-08-15
    • George E. Smith
    • George E. Smith
    • G01N31/16
    • B01L3/508B01L3/08B01L2200/14B01L2300/168G01N21/79
    • An apparatus and method for observing a chemical substance. In one embodiment, the apparatus includes a vessel having a base portion and an at least partially transparent wall portion depending from and extending away from the base portion. The base portion and the wall portion define an interface region at an interface between the base portion and the wall portion. The vessel can further include a background material fixedly attached to the base portion and/or the interface region, with the background material having a surface visible through the wall portion from a region exterior to the vessel. The background material can be attached to an inner surface or an outer surface of the vessel, or the background material can be integrated with a medium that forms the base portion and the wall portion of the vessel. The background material can have a single color, such as white or black, or the background material can have a plurality of hues to make the contents of the vessel more clearly visible.
    • 用于观察化学物质的装置和方法。 在一个实施例中,该装置包括具有基部和至少部分透明的壁部的容器,该壁部从基部延伸离开并远离基部。 基部和壁部在基部和壁部之间的界面处限定界面区域。 容器还可以包括固定地连接到基部部分和/或界面区域的背景材料,背景材料具有通过壁部分从血管外部区域可见的表面。 背景材料可以附接到容器的内表面或外表面,或者背景材料可以与形成容器的基部和壁部的介质一体化。 背景材料可以具有单一颜色,例如白色或黑色,或者背景材料可以具有多种色调以使容器的内容物更清晰可见。
    • 10. 发明授权
    • Liquid differential pressure measurement using a vertical manifold
    • 使用垂直歧管的液体差压测量
    • US4561307A
    • 1985-12-31
    • US574035
    • 1984-01-26
    • George E. Smith
    • George E. Smith
    • G01N9/26
    • G01N9/26
    • Liquid differential pressure measurement apparatus using at each of two separate vertical locations a manifold with a pair of voids, each pair being covered with a thin, non-elastomer membrane pressing tightly against a horizontal fence line therebetween. A first void of each pair is gas pressurized from the external side of the manifold to move the membrane on the internal side of the manifold outwardly against the pressure head of liquid on the membrane at the location of the fence line, the gas escaping via the second void, which is vented. A meter connection to the first void of each pair is supplied to a differential pressure meter and/or a device that converts a differential pressure to an electrical signal for remote readout or the like.
    • 液体差压测量装置在两个分离的垂直位置中的每一个处使用具有一对空隙的歧管,每对都被薄的非弹性体膜覆盖,所述薄膜非弹性膜紧紧地压在其间的水平栅栏线上。 每对的第一空隙是从歧管的外侧加压的气体,以将歧管的内侧上的膜向外抵靠在栅栏线位置的膜上的液体的压头上,气体经由 第二个空洞,被排出。 与每一对的第一空隙的仪表连接被提供给差压计和/或将压差转换为用于远程读出等的电信号的装置。