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    • 3. 发明授权
    • Apparatus for measuring the concentration of a species at a distance
    • 用于测量远处物种浓度的装置
    • US07027150B1
    • 2006-04-11
    • US10877630
    • 2004-06-24
    • Steven F. RiceMark D. Allendorf
    • Steven F. RiceMark D. Allendorf
    • G01N21/64
    • G01N21/718G01N21/6402G01N2021/6417
    • Corrosion of refractory silica brick and air quality issues due to particulate emissions are two important glass manufacturing issues that have been tied to sodium vapor and its transport throughout the melt tank. Knowledge of the relationship between tank operating conditions and tank atmosphere sodium levels are therefore important considerations in correcting corrosion and air quality issues. However, until recently direct quantitative measurements of sodium levels has been limited to extractive sampling methods followed by laboratory analysis. Excimer laser induced fragmentation (ELIF) fluorescence spectroscopy is a technique that permits the measurement of volatilized NaOH in high temperature environments on a timescale of less than one second. The development of this method and the construction of field-portable instrumentation for glass furnace applications are herein disclosed. The method is shown to be effective in full-scale industrial settings. Characteristics of the method are outlined, including equipment configuration, detection sensitivity, and calibration methodology.
    • 耐火硅砖的腐蚀和颗粒物排放引起的空气质量问题是两个重要的玻璃制造问题,这些问题与钠蒸汽及其在整个熔池中的运输有关。 因此,了解油箱运行状况与油罐大气钠含量之间的关系是修正腐蚀和空气质量问题的重要考虑因素。 然而,直到最近,钠水平的直接定量测量仅限于采样方法,然后进行实验室分析。 准分子激光诱导碎裂(ELIF)荧光光谱法是允许在高温环境中测量挥发性NaOH的技术,其时间尺度小于1秒。 本文公开了该方法的开发和用于玻璃熔炉应用的现场便携式仪器的构造。 该方法显示在全面的工业环境中有效。 概述了该方法的特点,包括设备配置,检测灵敏度和校准方法。
    • 6. 发明授权
    • Hybrid metal organic scintillator materials system and particle detector
    • 混合金属有机闪烁体材料体系和粒子检测器
    • US07985868B1
    • 2011-07-26
    • US11800136
    • 2007-05-04
    • Christina A. BauerMark D. AllendorfF. Patrick DotyBlake A. Simmons
    • Christina A. BauerMark D. AllendorfF. Patrick DotyBlake A. Simmons
    • C30B29/06
    • C09K11/04C09K11/06C09K2211/1408C09K2211/188
    • We describe the preparation and characterization of two zinc hybrid luminescent structures based on the flexible and emissive linker molecule, trans-(4-R,4′-R′) stilbene, where R and R′ are mono- or poly-coordinating groups, which retain their luminescence within these solid materials. For example, reaction of trans-4,4′-stilbenedicarboxylic acid and zinc nitrate in the solvent dimethylformamide (DMF) yielded a dense 2-D network featuring zinc in both octahedral and tetrahedral coordination environments connected by trans-stilbene links. Similar reaction in diethylformamide (DEF) at higher temperatures resulted in a porous, 3-D framework structure consisting of two interpenetrating cubic lattices, each featuring basic to zinc carboxylate vertices joined by trans-stilbene, analogous to the isoreticular MOF (IRMOF) series. We demonstrate that the optical properties of both embodiments correlate directly with the local ligand environments observed in the crystal structures. We further demonstrate that these materials produce high luminescent response to proton radiation and high radiation tolerance relative to prior scintillators. These features can be used to create sophisticated scintillating detection sensors.
    • 我们描述了基于柔性和发射接头分子,反式(4-R,4'-R')二苯乙烯的两种锌杂化发光结构的制备和表征,其中R和R'是单或多配位基团, 其在这些固体材料中保持其发光。 例如,反式-4,4'-二苯基二羧酸和硝酸锌在溶剂二甲基甲酰胺(DMF)中的反应产生了一个致密的2-D网络,其特征在于通过茋链接连接的八面体和四面体配位环境中的锌。 在较高温度下,在二乙基甲酰胺(DEF)中类似的反应产生了一个多孔的3-D骨架结构,其由两个相互贯穿的立方晶格组成,每个都具有与反式二苯乙烯连接的羧酸锌顶点碱基,类似于折射率MOF(IRMOF)系列。 我们证明两个实施方案的光学性质直接与在晶体结构中观察到的局部配体环境相关。 我们进一步证明这些材料相对于以前的闪烁体产生对质子辐射的高发光响应和高辐射耐受性。 这些功能可用于创建复杂的闪烁检测传感器。