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    • 2. 发明授权
    • Method for analysis of pellet-cladding interaction
    • 颗粒 - 包层相互作用分析方法
    • US08149983B2
    • 2012-04-03
    • US11447357
    • 2006-06-06
    • Charles L. Beard, Jr.Toshio MoritaR. Wade Miller
    • Charles L. Beard, Jr.Toshio MoritaR. Wade Miller
    • G21C9/00
    • G21C17/00G21C2003/047G21D3/001G21Y2002/202G21Y2004/40Y02E30/39
    • A method is provided for evaluating pellet-cladding interaction (PCI) in a nuclear core having a reactor protection system and a plurality of elongated fuel rods each having fuel surrounded by cladding with a gap therebetween. The method includes: selecting a number of core parameters to be analyzed; evaluating the selected parameters at a plurality of statepoints; generating a model of an operating space of the core based, at least in part, upon the statepoints; selecting a subset or loci of statepoints from the model wherein each of the statepoints of the loci of statepoints, when subjected to a predetermined transient, falls within the operational limits of the reactor protection system; and evaluating the loci of statepoints for PCI in response to the transient. In this manner, the potential for PCI can be accurately determined without requiring every statepoint for every fuel rod in the core to be individually analyzed.
    • 提供了一种用于评估具有反应器保护系统的核芯中的颗粒 - 包层相互作用(PCI)的方法,以及多个细长燃料棒,每个细长的燃料棒具有围绕其间具有间隙的包层。 该方法包括:选择要分析的多个核心参数; 在多个状态点评估所选择的参数; 至少部分地基于状态点生成核心的操作空间的模型; 从模型中选择状态点的子集或轨迹,其中当受到预定瞬变时,状态点的轨迹中的每个状态点落入反应堆保护系统的操作限度内; 并针对短暂性评估评估PCI的状态点位置。 以这种方式,可以准确地确定PCI的潜力,而不需要对芯中的每个燃料棒进行单独分析的每个状态点。
    • 5. 发明授权
    • Method for producing vapor grown carbon fiber
    • 生产气相生长碳纤维的方法
    • US07524479B2
    • 2009-04-28
    • US10475777
    • 2002-06-26
    • Kazuo MuramakiYoshihisa SakamotoRyuji YamamotoToshio Morita
    • Kazuo MuramakiYoshihisa SakamotoRyuji YamamotoToshio Morita
    • D01F9/12
    • B82Y30/00D01F9/127D01F9/133
    • A method for producing vapor grown carbon, including mixing a raw material gas containing an organic compound and an organo-transition metallic compound preliminarily heated preferably to a temperature of 100 to 450° C. with a carrier gas heated preferably to a temperature of 700 to 1,600° C., and introducing the resultant gas mixture into a carbon fiber production zone, wherein preferably a mixture of an aromatic compound and acetylene, ethylene, or butadiene is used as an organic compound. The method can include dissolving the transition metallic compound in a solvent, atomizing the resultant solution into fine droplets, evaporating the solvent in the droplets to thereby obtain fine particles of the transition metal compound, and introducing the drifting particles with an organic compound gas into the carbon fiber production zone. Vapor grown carbon fiber is thereby produced.
    • 一种生产气相生长碳的方法,包括将预先加热至100至450℃的预先加热的有机化合物的原料气体和有机过渡金属化合物与优选加热至700℃的载气混合, 1600℃,将所得气体混合物引入碳纤维生产区,其中优选使用芳香族化合物和乙炔,乙烯或丁二烯的混合物作为有机化合物。 该方法可以包括将过渡金属化合物溶解在溶剂中,将所得溶液雾化成微小液滴,蒸发液滴中的溶剂,从而获得过渡金属化合物的细颗粒,并将漂移颗粒与有机化合物气体引入 碳纤维生产区。 由此生成气相生长的碳纤维。
    • 10. 发明申请
    • Resin crystallization promoter and resin composition
    • 树脂结晶促进剂和树脂组合物
    • US20060235135A1
    • 2006-10-19
    • US10554063
    • 2004-04-23
    • Tatsuhiro TakahashiToshio Morita
    • Tatsuhiro TakahashiToshio Morita
    • C08K3/04
    • C08K7/06C08K2201/016
    • The present invention relates to a thermoplastic resin crystallization promoter comprising fine carbon fiber consisting of fiber filaments having a diameter of 0.001 μm to 5 μm and an aspect ratio of 5 to 15,000, a thermoplastic resin composition consisting of the fine carbon fiber and thermoplastic resin and comprising crystallized resin, and a production method thereof. The crystallization promoter comprising the fine carbon fiber of the present invention enables to crystallize even an amorphous resin, which has an irregular molecular structure and therefore is not crystallized, or which exhibits low crystallization degree and therefore is difficult to crystallize by means of a conventional crystallization promoter. The crystallization promoter provides a thermoplastic resin composition, which, when molded, exhibits improved strength and tribological characteristics and is further reinforced when mixed with a filler.
    • 本发明涉及一种热塑性树脂结晶促进剂,其包含由直径为0.001〜5μm的纤维长丝和5〜15000的纵横比构成的细碳纤维,由细碳纤维和热塑性树脂构成的热塑性树脂组合物和 包括结晶树脂及其制备方法。 包含本发明的细碳纤维的结晶促进剂甚至能够使具有不规则分子结构的非晶性树脂结晶,因此不结晶,或者结晶度低,因此难以通过常规结晶结晶 启动子。 结晶促进剂提供了一种热塑性树脂组合物,其在模制时表现出改进的强度和摩擦学特性,并且当与填料混合时进一步增强。