T145, The Beijing Electron Positron Collider《北京正负电子对撞机》


Stamp Title: The Beijing Electron Positron Collider
Serial number: T145
Values in set: 1
Date of issue: November 1, 1989
Denomination: 8 fen
Designers: Chen Youlin
Size of stamps: 40*27mm
Perforation: 11
Sheet composition: 50(5*10)
Printing process: Photogravures
Printing House: Beijing Postage Stamp Printing Works

T145 北京正负电子对撞机
(1) 8分 北京正负电子对撞机 3460.4万枚
发行日期:1989.11.1。影写版。P11。40mm×27mm。50(5×10)。陈幼林。印刷:北京邮票厂。

1983年底,党中央、国务院将北京正负电子对撞机工程列入国家重点工程,要求在5年内建成,工程代号为8312工程。1988年10月北京正负电子对撞机竣工。北京正负电子对撞机的外型,象一只硕大的羽毛球拍。圆形的球拍是周长240米的储存环,球柄是全长202米的行波直线加速器。2004年4月30日,北京正负电子对撞机正式结束运行,胜利的结束了15年来的实验任务,光荣退役。

Sherman

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