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Pattern recognition of typical defects in high-voltage storage capacitors based on DC partial discharge

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Science China(Technological Sciences) 2009年第12期52卷 3729-3735页

作者： WU GuangNing bian shanshan ZHOU LiRen ZHANG XueQin RAN HanZheng YU ChengLong School of Electrical Engineering Southwest Jiaotong UniversityChengdu 610031China Mailbox919-518 Mianyang 621900China

High-voltage storage capacitors(hereinafter call capacitors for short)have been widely used in pulsed power *** accordance with the actual work conditions of capacitors,direct current partial discharge(DCPD)detection was put *** whole test system was based on the impedance balance circuit characterized by good configuration and anti-interference *** DCPD detection on capacitors which contained four typical defects respectively,test results revealed that DCPD signals could well reflect the state of capacitor *** distribution spectra of capacitors containing four typical defects were obviously *** in capacitors could be exactly judged by computer–aided pattern recognition based on support vector machine(SVM).

关键词： high voltage storage capacitor partial discharge composite insulation DC pattern recognition

Mutual Help Between Deaf and Blind

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Women of China 1998年第6期 38-39页

作者： SU bian CHEN shanshan

IN September of 1996, Zhou Tingting, a 16-year-old deaf girl, entered Liaoning Normal University to study in the Special Education Department. There she met another freshman, Wang Zheng, whose eyesight was so poor tha... 详细信息

关键词： Mutual Help Between Deaf and Blind

Suffering Is A Sum of Wealth

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Women of China 1997年第11期 20-22页

作者： SU bian CHEN shanshan

"The suffering I experienced not only brought me agony,but also left me a sum of suffering made me further understand myself,temper my will,increase my talent,and thoroughly remove vanity from my character."—Note fro... 详细信息

关键词： Suffering Is A Sum of Wealth

The May 4th Movement and Women's Emancipation

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Women of China 1999年第5期 39-40页

作者： SU bian CHEN shanshan

In so many ways the past century has brought newadvents in China’s history and in the boundaries ofher people’s thought and daily *** May 4thMovement eighty years ago marked an early andimportant epoch in that cycle as the people strove tooverthrow the constraining beliefs of the imperialisticfeudalism that governed *** proponentspromulgated ideals formed from Marxist,democraticand scientific thought and their success altered China’spolitical landscape forever. After the ReformMovement and the preparation for the Revolution of1911,women’s emancipation was high on the agendaand had reached its peak by the time the May 4thMovement came into *** carried each othertowards new horizons.

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Rehabilitation of Female Prisoners

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Women of China 1996年第12期 34-35页

作者： SU bian CHEN shanshan

CHINESE women imprisoned for various crimes undergo a reeducation and rehabilitation program which often results in repentance for past wrongdoings, and providing an avenue for them to make a fresh start. Female prisoners study general education courses, learn basic legal concepts and working skills as part of a rehabilitation program that helps reintigrate them into society upon release.

关键词： Rehabilitation of Female Prisoners

Chen Muhua Receives UN Honor

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Women of China 1994年第9期 14-15页

作者： LIU bian CHEN shanshan

On May 2, Chen Muhua received the Maurice Pate Award at UN Headquarters in New York City.

关键词： Chen Muhua Receives UN Honor UNICEF

The Women's Self-Defense Army Fought Invaders, Sought Emancipation

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Women of China 1995年第8期 53-54,59页

作者： SU bian CHEN shanshan

IN the summer of 1937, after the Japanese invaded northeast China, they again encroached upon the northern lands. The Chinese army and common people, driven by anger and hatred, fought against the invaders, sparking o... 详细信息

关键词： The Women’s Self-Defense Army Fought Invaders Sought Emancipation

New Swimming Star——Le Jingyi

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Women of China 1994年第4期 45-46页

作者： FENG bian CHEN shanshan

IN December 1993 at the First World Short-Course Swimming Championships held in Parama, Spain, Chinese women swimmers won 10 gold medals and broke nine world records 11 times. Le Jingyi from Shanghai did especially we... 详细信息

关键词： Le Jingyi New Swimming Star World

Guizhou Boasts of Its Maotai, Batik and Miao Embroidery

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Women of China 1995年第7期 38-39页

作者： SU bian CHEN shanshan

EVERYONE who likes to drink wine knows Guizhou’s Maotai, a well-known white spirit. It is the pride of the Guizhou people, because it has been elected as the most famous Chinese white spirit three times and honored as the "state white spirit." Maotai tastes mellow and leaves a pleasing aftertaste. The good taste of this strong spirit benefits from its good water source and the skill of the masters. The Maotai Township is located by the limpid Chishui River, which has clear and sweet water. The method of making Maotai is complicated. It uses wheat

关键词： In Batik and Miao Embroidery Guizhou Boasts of Its Maotai