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PROBLEM TO BE SOLVED: To accommodate a movable board if there is a gap substantially equal to its width in the lower part of a guide rail. ;SOLUTION: A vertical threaded through hole is made in the traveling block 3 that movably engages with a guide rail 2, and a cross-sectionally in...
This paper deals with a time-of-flight encoder which was developed at the C.E.N. Saclay. It is mainly intended for neutron velocity measurements by the tim... J Thenard,G Victor 被引量: 0发表: 0年 This invention relates to certain improvements in machine event timers; and the nature ...
Surtech's robot cells allow you to automate even the most complicated mechanical surface finishing operation.A typical robot cell consists of an industrial robot, two or more abrasive belt heads or buff heads, a load-unload magazine, a central control cabinet and the relevant software. To allow...
自歌剧《白毛女》取得了成功之后,中国的民族歌剧如雨后春笋般的相继被创作出来,歌剧《江姐》就是中国歌剧史上一颗璀璨的明珠.阎肃以长篇小说《红岩》为动机而编创剧本,由羊鸣,姜春阳和金砂为歌剧作曲,创作上借鉴了西方歌剧的许多素材同时也吸取了中国传统戏曲与民间音乐,具有浓厚的民族风格.歌剧歌颂了主人公"江姐"为了...