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    • 5. 发明申请
    • COOKING STOVES
    • 烹饪店
    • US20090025703A1
    • 2009-01-29
    • US11909823
    • 2006-03-27
    • Paul Van Der SluisSudhakaran Subbu
    • Paul Van Der SluisSudhakaran Subbu
    • F24C15/00F24H3/02G05B15/00F24F7/007F27D21/02
    • H01L35/00F24B1/202F24B5/021
    • A solid fuel, portable stove reduces smoke emissions and provides for a high temperature of combustion in a compact and easily manufacturable design. A main housing (11) comprises a combustion chamber (12) for containing fuel for combustion and a fan (50) configured to force air into the combustion chamber. A rechargeable electrical power source (40) is used for driving the fan (50) and a thermoelectric (31) provides power to the fan and to the rechargeable power source. In one embodiment, the thermoelectric element also provides excess output power to a connected device (D) such as a low voltage white light emitting diode, thereby providing a self illuminating, rechargeable stove which is suitable for sunset or early evening cooking.
    • 固体燃料便携式炉灶减少了烟雾排放,并且在紧凑且容易制造的设计中提供高温燃烧。 主壳体(11)包括用于燃烧燃料的燃烧室(12)和用于迫使空气进入燃烧室的风扇(50)。 可再充电电源(40)用于驱动风扇(50),并且热电(31)向风扇和可再充电电源供电。 在一个实施例中,热电元件还向连接的设备(D)(例如低电压白色发光二极管)提供过量的输出功率,从而提供适合于日落或傍晚烹饪的自发照明的充电炉。
    • 8. 发明授权
    • Apparatus for simultaneous X-ray diffraction and X-ray fluorescence
measurements
    • 用于同时进行X射线衍射和X射线荧光测量的装置
    • US5745543A
    • 1998-04-28
    • US722649
    • 1996-09-30
    • Pieter K. De BokxPaul Van Der SluisBruno A. R. Vrebos
    • Pieter K. De BokxPaul Van Der SluisBruno A. R. Vrebos
    • G01N23/207G01N23/223
    • G01N23/2076G01N23/223G01N2223/076
    • In the case of simultaneous diffraction and fluorescence measurements in an apparatus for X-ray analysis comprising only one X-ray tube, a problem is encountered in that due to the presence of the collimators required for the fluorescence measurements only a very low X-ray power reaches the detectors, so that very long measuring times and/or an unfavorable signal-to-noise ratio occur. As a result, the detection limit for given measurements (low concentration of an element and/or light elements to be detected) becomes too high or the use of a (large and expensive) high-power X-ray tube is required. The invention utilizes a line focus tube 10 in combination with a single-slit collimator 14 for irradiating the sample 2, the fluorescence section 40 being constructed so as to have a plane or cylindrical analysis crystal 42 in combination with a location-sensitive detector 44. The diffraction measurements are performed by means of a conventional diffraction arrangement 24.
    • 在仅包含一个X射线管的用于X射线分析的装置中进行同时衍射和荧光测量的情况下,遇到的问题在于,由于荧光测量所需的准直仪的存在仅仅是非常低的X射线 功率到达检测器,从而发生非常长的测量时间和/或不利的信噪比。 结果,对于给定的测量(要检测的元件和/或光元件的低浓度)的检测限度变得太高或者需要使用(大而昂贵的)大功率X射线管。 本发明利用线聚焦管10与用于照射样品2的单狭缝准直器14组合,荧光部40构造成具有与位置敏感检测器44组合的平面或圆柱形分析晶体42。 衍射测量通过常规衍射装置24进行。