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    • 3. 发明授权
    • Continuous elemental analysis of process flows
    • 过程流程的连续元素分析
    • US5330621A
    • 1994-07-19
    • US948645
    • 1992-09-23
    • Pertti VisuriErkki KiiskilaMarkku Koskelo
    • Pertti VisuriErkki KiiskilaMarkku Koskelo
    • D21C7/12G01N23/222G01N33/34G01R33/44
    • D21C7/12G01N23/222G01N33/343G01R33/44G01N2223/0745G01N2223/635Y10S162/10Y10T436/12Y10T436/24
    • A method and apparatus are provided for analyzing the elemental constituents of fluid streams in the cellulose pulp industry, such as liquid with dissolved solids for treatment of cellulose pulp or from the treatment of cellulose pulp, or liquid slurries including comminuted cellulose material. Continuous on-line elemental analyses are made of one or more such fluid streams, and at least the partial elemental make-up (either material, or of elements added for marking) of the streams determined. Then one or more processes for acting on the fluid streams are controlled to optimize the processes as a result of the analyses made. The invention is particularly useful in the continuous on-line analysis of black liquor utilizing prompt gamma neutron activation analysis, and controlling the operation of an evaporator or recovery boiler. The invention is also applicable to a paper pulp slurry in which case the carbon content of the slurry is analyzed to determine the precise solids consistency, and may employ NMR or 'H-MR.
    • 提供了一种用于分析纤维素纸浆工业中流体物流的元素成分的方法和装置,例如具有用于处理纤维素纸浆的溶解固体的液体或来自处理纤维素纸浆的液体,或包括粉碎的纤维素材料的液体浆料。 持续的在线元素分析由一个或多个这样的流体流,以及至少确定的流的部分元素组成(添加用于标记的元素或元素)进行。 然后控制一个或多个作用于流体流的过程,以便作为进行分析的结果来优化过程。 本发明特别可用于利用快速γ中子活化分析并控制蒸发器或回收锅炉的操作的黑液的连续在线分析。 本发明也适用于纸浆浆料,在这种情况下,分析浆料的碳含量以确定精确的固体一致性,并且可以使用NMR或'H-MR。
    • 10. 发明授权
    • Directional antenna system with multi-use elements
    • 具有多用途元件的定向天线系统
    • US07292201B2
    • 2007-11-06
    • US11209352
    • 2005-08-22
    • Farid I. NagaevOleg Y. AbramovPertti Visuri
    • Farid I. NagaevOleg Y. AbramovPertti Visuri
    • H01Q19/10
    • H01Q3/24H01Q3/247H01Q9/26H01Q19/24
    • Systems and methods for a wireless communication device having a switched multi-beam antenna and methods for manufacturing the same are described. One system and method includes a plurality of antenna of elements. Groups of the antenna elements cooperate to form active one or more antenna elements while other groups of the antenna elements cooperate to form a reflector for the active antenna elements. This creates a directed transmission or direction of positive gain for the antenna system. The same group of antenna elements can be switched so that other antenna elements cooperate to form the active element while another group forms a reflector for the active elements thereby providing a different direction of positive gain. The system can be used for various wireless communication protocols and at various frequency ranges.
    • 描述了具有切换多波束天线的无线通信设备的系统和方法及其制造方法。 一种系统和方法包括多个天线元件。 天线元件的组协作以形成有源的一个或多个天线元件,而天线元件的其他组协作以形成有源天线元件的反射器。 这为天线系统产生有向的传输或正增益的方向。 可以切换相同组的天线元件,使得其它天线元件协作以形成有源元件,而另一组形成用于有源元件的反射器,从而提供不同的正增益方向。 该系统可用于各种无线通信协议和各种频率范围。