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    • 1. 发明授权
    • Medical image processing device
    • 医用图像处理装置
    • US09042616B2
    • 2015-05-26
    • US13991012
    • 2011-12-01
    • Tomoaki GotoTetsutaro Ono
    • Tomoaki GotoTetsutaro Ono
    • G06K9/00G06T7/00A61B5/055
    • G06T7/0012A61B5/055G06T5/007G06T7/337G06T7/62G06T2207/20128G06T2207/30016
    • Provided is a medical image processing device capable of determining a state of an obtained brain image and adjusting the obtained image to suit for performing tissue separation processing. The medical image processing device is configured to select a slice image to be processed as a target slice image from a brain image configured by a plurality of slice images, performs processing for measuring an effective maximum value in the cerebral parenchyma, an effective maximum value in a whole image, and a peak average value around the skull with respect to the selected target slice to determine necessity of high-signal-value-control processing based on the measured effective maximum value in the cerebral parenchyma, the effective maximum value in a whole image, and the peak average value around the skull so that when it is determined that the high-signal-value-control processing is necessary, the high-signal-value-control processing is performed to the brain image.
    • 提供一种能够确定所获得的脑图像的状态并调整所获得的图像以适合进行组织分离处理的医疗图像处理装置。 医疗图像处理装置被配置为从由多个切片图像构成的脑图像中选择要处理的切片图像作为目标切片图像,执行用于测量大脑实质中的有效最大值的处理, 整个图像和围绕颅骨的峰值平均值相对于所选择的目标切片,以基于大脑实质中测量的有效最大值确定高信号值控制处理的必要性,整个有效最大值 图像和颅骨周围的峰值平均值,使得当确定需要高信号值控制处理时,对脑图像执行高信号值控制处理。
    • 2. 发明授权
    • Production process of olefin polymer
    • 烯烃聚合物的生产工艺
    • US08410231B2
    • 2013-04-02
    • US12528421
    • 2008-02-25
    • Yasutoyo KawashimaTomoaki Goto
    • Yasutoyo KawashimaTomoaki Goto
    • C08F4/00C08F4/52B01J31/00
    • C08F110/02C08F4/65912C08F4/65927C08F210/16C08F2410/01C08F4/6492C08F4/65916C08F210/14
    • The present invention provides a highly active process for producing an olefin polymer, comprising: the step (I) of preliminarily polymerizing an olefin at 65° C. or lower in the presence of a preliminary polymerization catalyst prepared by bringing the following components (A), (B) and (C) into contact with each other, to produce a preliminary polymerization catalyst component (X); and the step (II) of polymerizing an olefin in the presence of a polymerization catalyst prepared by bringing the preliminary polymerization catalyst component (X) into contact with the following component (D), to produce an olefin polymer; component (A): a metallocene-base complex, component (B): a solid co-catalyst component in which a compound capable of ionizing the metallocene-base complex into an ionic complex is supported on fine particle support, component (C): an organoaluminum compound represented by the general formula R13Al (wherein, R1 is a linear hydrocarbon group of 1 to 8 carbon atoms, wherein the R1 can be the same or different), and component (D): an organoaluminum compound represented by the general formula R23Al (wherein, R2 is a branched hydrocarbon group of 3 to 8 carbon atoms, wherein the R2 can be the same or different).
    • 本发明提供一种生产烯烃聚合物的高活性方法,包括:在通过使以下组分(A)制备的预聚合催化剂存在下,在65℃或更低温度下预先聚合烯烃的步骤(I) ,(B)和(C)彼此接触以产生预聚合催化剂组分(X); 和通过使预聚合催化剂组分(X)与以下组分(D)接触制备的聚合催化剂存在下使烯烃聚合以制备烯烃聚合物的步骤(II); 组分(A):茂金属 - 基配合物,组分(B):其中可将金属茂基络合物离子化成离子络合物的化合物负载在细颗粒载体上的固体助催化剂组分,组分(C): 由通式R 13 Al表示的有机铝化合物(其中,R1为碳原子数为1〜8的直链烃基,其中R1可以相同或不同),成分(D):由通式 R 23 Al(其中,R 2为3〜8个碳原子的支链烃基,其中R2可以相同或不同)。
    • 7. 发明申请
    • Rolling bearing
    • 滚动轴承
    • US20070253655A1
    • 2007-11-01
    • US11821386
    • 2007-06-22
    • Masaki EgamiMitsunari AsaoTomoaki Goto
    • Masaki EgamiMitsunari AsaoTomoaki Goto
    • F16C33/76
    • C08F214/186C08F214/18C08F214/26C08F214/265F16C33/7843
    • The present invention provides a reliable and durable rolling bearing incorporated in various industrial machines, vehicles, and the like, having a sealing member which deteriorates to a low extent and maintains preferable sealing performance for a long time. The rolling bearing includes an inner ring; an outer ring; a plurality of rolling elements interposed between the inner ring and the outer ring; and the sealing member provided at an open portion which is disposed at both axial ends of the inner ring and the outer ring. The sealing member comprises a rubber molding that contacts at least water, an alkali solution, grease, or the like. The rubber molding is made of a vulcanizable fluororubber composition which comprises a copolymer containing tetrafluoroethylene; propylene; and a crosslinkable monomer which is an unsaturated hydrocarbon having two to four carbon atoms, in which a part of hydrogen atoms is substituted with fluorine atoms.
    • 本发明提供一种结合在各种工业机械,车辆等中的可靠耐用的滚动轴承,其具有密封构件,该密封构件在较小程度上劣化并且长时间保持优选的密封性能。 滚动轴承包括内圈; 外圈; 插入在所述内圈和所述外圈之间的多个滚动元件; 以及所述密封构件设置在设置在所述内圈和所述外圈的两个轴向端部处的开口部。 密封构件包括至少与水接触的橡胶模制品,碱溶液,油脂等。 橡胶模制品由可硫化的氟橡胶组合物制成,其包含含有四氟乙烯的共聚物; 丙烯; 以及作为氢原子的一部分被氟原子取代的碳原子数为2〜4的不饱和烃的交联性单体。
    • 8. 发明授权
    • Prepolymerization catalyst for use in gas phase polymerization of olefins and process for producing the same
    • 用于烯烃气相聚合的预聚合催化剂及其制备方法
    • US06645901B2
    • 2003-11-11
    • US09820977
    • 2001-03-30
    • Tomoaki GotoKazuki WakamatsuShinichi Kumamoto
    • Tomoaki GotoKazuki WakamatsuShinichi Kumamoto
    • B01J3100
    • C08F10/00C08F210/16Y10S526/901Y10S526/908Y10S526/909C08F4/6565C08F4/6492C08F210/08C08F2500/18C08F2500/12C08F2500/17
    • A prepolymerization catalyst for use in a gas phase polymerization of an olefin or combinations of olefins which comprises (A) a solid catalyst component comprising magnesium, halogen, titanium and an electron donor and having a weight-average particle diameter of 15 to 45 &mgr;m, (B) at least one organoaluminum compound and (C) a prepolymer of an ethylene and/or at least one &agr;-olefin, wherein the molar ratio of aluminum to titanium in the prepolymerization catalyst (Al/Ti ratio) is 3 to 11 (mol/mol), the weight ratio of the prepolymerization catalyst to the solid catalyst component (prepolymerization catalyst/solid catalyst component) is 2 to 35 (g/g), the content of volatile materials (VM) in the prepolymerization catalyst is 2.0% by weight or less, and the intrinsic viscosity [&eegr;] measured in tetralin at 135° C. is 2.0 dl/g or less, and a process for a production thereof. According to the present invention, a prepolymerization catalyst for gas phase polymerization of olefins showing a high activity in gas phase polymerization, not forming aggregates and coarse particles markedly at the time of prepolymerization, having a high bulk density and an excellent fluidity, not causing a marked entraining of prepolymerization catalyst and product powder out of the fluidized bed and nearly completely free from a formation of aggregates, at the time of gas phase polymerization, and giving an olefin polymer having a low content of cold xylene-soluble fraction can be provided.
    • 一种用于烯烃或烯烃组合的气相聚合的预聚合催化剂,其包含(A)包含镁,卤素,钛和电子给体的固体催化剂组分,其重均粒径为15至45μm, (B)至少一种有机铝化合物和(C)乙烯和/或至少一种α-烯烃的预聚物,其中预聚合催化剂中铝与钛的摩尔比(Al / Ti比)为3-11( mol / mol),预聚合催化剂与固体催化剂组分(预聚合催化剂/固体催化剂组分)的重量比为2〜35(g / g),预聚合催化剂中挥发物(VM)的含量为2.0% 以下,在135℃下在四氢化萘中测定的特性粘度η为2.0dl / g以下,以及其制造方法。根据本发明,提供了一种气相聚合用预聚合催化剂 烯烃聚合物 在气相聚合中具有高活性,在预聚合时不显着形成聚集体和粗颗粒,具有高堆积密度和优异的流动性,不会引起预聚合催化剂和产物粉末明显夹带在流化床之外,几乎 在气相聚合时完全没有聚集体的形成,并且可以提供具有低二甲苯可溶成分含量低的烯烃聚合物。