kernel of mass 中文意思是什麼
kernel of mass
解釋
質量核-
Humanist spirit : ideological kernel of mass culture criticism
大眾文化批評的核心理念 -
The volatile organic compounds were extracted from chestnut kernel coating by ether, and determined by gas chromatography - mass spectrometry. there are 29 components, seventeen of which were identified
摘要板栗仁衣經水蒸汽蒸餾,乙醚萃取揮發性成分,通過氣相色譜與質譜聯用法測定,發現板栗的仁衣中含29個組分,確定了其中17個組分的結構。 -
The stiffness of ems is controllable, and taking it as the kernel, an emdva which natural frequency can adjust according to the frequency of the excitation force is designed. the emdva can adjust its natural frequency to keep up with the frequency of the excitation force acted on the main mass, reach in the almost perfect status of dynamic harmonization absorption and obtain satisfactory absorption effect
該電磁彈簧的剛度值是可控的,以此電磁彈簧為核心,設計了一種固有頻率可實時調整的電磁式動力吸振器,該動力吸振器能夠調節其固有頻率與作用在主質量上的激勵力的頻率保持一致,從而達到接近理想的動力調諧吸振狀態,獲得滿意的吸振效果。
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