本实用新型公开了一种服装制造加工用具有固定结构的打孔设备,包括支撑柱,安装座和联轴器,所述支撑柱的上方设置有副平台,且副平台的上方设置有安装座,所述安装座的上方设置有气缸,且气缸的右侧设置有半圆推板,所述安装座的前方设置有电机,且电机的右侧设置有联轴器,所述联轴器的右侧设置有转轴,且转轴的右侧设置有主动...
Atomtronics, is an emerging interdisciplinary field that seeks to develop new functional methods by creating devices and circuits where ultracold atoms, often superfluids, have a role analogous to that of electrons in electronics. Hyster... S Eckel,JG Lee,F Jendrzejewski,... 被引量: 0发表:...
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An introduction to acoustics / S.W. Rienstra and A. Hirschberg No PDF available ABSTRACT The Acoustical Society of America Technical Committee on Underwater Acoustics (UW) investigates sound wave phenomena in marine environments, including oceans, lakes, and rivers. Research interests span a broad ...