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    • 1. 发明申请
    • Method for Detecting Damage to Bearing
    • 检测轴承损坏的方法
    • US20130116936A1
    • 2013-05-09
    • US13811175
    • 2011-07-21
    • Shinjiro Yamamoto
    • Shinjiro Yamamoto
    • G06F17/00G01N29/14
    • G06F17/00F16C19/52F16C19/527G01N29/14
    • A bearing damage detection method, comprising: executing frequency analysis for a vibration waveform of the vibration at the bearing obtained through measurement by sensor; setting at least two frequency ranges each substantially equal to a range defined by a rotation frequency fr of the moving ring which do not overlap, based upon results of the frequency analysis; obtaining peak frequencies, each manifesting in one of the plurality of frequency ranges having been set; and determining that the bearing is to be damaged upon deciding that the difference between the peak frequencies and the k multiple of the rotation frequency fr having been compared with each other may be regarded to be matched.
    • 一种轴承损伤检测方法,包括:对通过传感器测量得到的轴承的振动的振动波形执行频率分析; 基于频率分析的结果,设置至少两个频率范围,每个频率范围基本上等于由不重叠的移动环的旋转频率fr限定的范围; 获得峰值频率,每个表现出已经设置的多个频率范围之一; 并且在判定已经相互比较的旋转频率fr的峰值频率和k倍数之间的差异可以被认为是匹配的时,确定轴承将被损坏。
    • 5. 发明授权
    • Organic pyridazyl phosphorothioates and their use as insecticides
    • 有机哒嗪基硫代磷酸酯及其用作杀虫剂
    • US4056617A
    • 1977-11-01
    • US620227
    • 1975-10-06
    • Teruomi JojimaHideakira TsujiShinjiro YamamotoTeiji Omino
    • Teruomi JojimaHideakira TsujiShinjiro YamamotoTeiji Omino
    • C07F9/6509A01N9/36
    • C07F9/650929
    • New organic phosphorus compounds having the formula ##STR1## wherein R.sub.1 represents an alkyl group of 1-4 carbon atoms, R.sub.2 represents an alkoxy group of 1-4 carbon atoms or phenyl group and R.sub.3 represents hydrogen atom, an alkyl group of 1-4 carbon atoms, phenyl group or the group of the formula -X-R.sub.4 in which R.sub.4 represents an alkyl group of 1-6 carbon atoms or a benzyl group which may be substituted with a halogen atom in the phenyl moiety and X represents oxygen atom or sulfur atom. The present compounds are prepared by reacting a phosphoric or phosphonic acid halide having the formula ##STR2## wherein R.sub.1 and R.sub.2 are as defined above and Y represents a halogen atom with a pyridazinone derivative having the formula ##STR3## wherein R.sub.3 is as defined above. The present compounds show a superior insecticidal activity against various harmful insects, e.g., rice stem borers, planthoppers, mites, aphids, flies, mosquitoes and the like and thus they are useful as an insecticide or acaricide.
    • 具有式“IMAGE”的新的有机磷化合物,其中R1表示1-4个碳原子的烷基,R2表示1-4个碳原子的烷氧基或苯基,R3表示氢原子,1-4个 碳原子,苯基或式-X-R4的基团,其中R4表示1-6个碳原子的烷基或可在苯基部分被卤素原子取代的苄基,X表示氧原子或 硫原子。 本发明化合物是通过使具有式“IMAGE”的磷酸或膦酸卤化物,其中R 1和R 2如上所定义,Y代表卤素原子与具有式“IMAGE”的哒嗪酮衍生物反应,其中R 3如上定义。 本发明化合物对各种有害昆虫例如稻螟,蚱蜢,螨虫,蚜虫,苍蝇,蚊子等具有优异的杀虫活性,因此可用作杀虫剂或杀螨剂。