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聚硅烷
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聚硅烷
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聚硅烷
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聚硅烷
以硅原子为主链,有机基团为侧基的一类σ共轭聚合物。其中R1和R2为氢原子、烷基、烃基或芳香基团。其主要合成方法为二氯硅烷与碱金属(钠、钾、锂)脱氯缩合(孚兹偶合)、含氢硅烷均相脱氢偶合、烷氧基二硅烷催化歧化、环硅烷开环聚合及掩蔽二硅烯阴离子开环聚合等。
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Seventh-day Adventist
Seventh-day Adventist Church
seventh five-year plan of China
Seventh Hound
Seven Treaties of Theravāda
Seven Treatises
Seventy-five Constituent Elements in Five Categories
seven types of criminal homicide
seventy-two intermittently connected lakes
Seven Up!
Seven Warring States
Seven-Year Program to Help 80 Million People Out of Poverty
Seven Years’War
sever acute respiratory syndrome,SARS
several
several complex variables
several crimes
several-for-one
Several Guidelines for Properties Declaration
several guidelines for properties declaration
Several Opinions of Promoting the Rising of the Central Region
Several Opinions of the General Office of the State Council on Strengthening the Protection and Restoration of Grasslands
Several Opinions of the State Council on Accelerating the Development of Trade in Services
Several Opinions of the State Council on Accelerating the Implementation of the Strategies for Free Trade Areas
Several Opinions of the State Council on Promoting the Development of the Express Delivery Industry
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