Provides a 6dB-per-octave rolloff filter at 115Hz.
提供一个115赫兹时每八度6分贝的频上
器。
Provides a 6dB-per-octave rolloff filter at 115Hz.
提供一个115赫兹时每八度6分贝的频上
器。
The effects of the catalyst dosage and the preparation conditions of HZ-1 zeolite,for example, number of exchange times on the benzoylation of toluene were studied.
并考察了HZ-1沸石交换次数等制备条件和催化剂用量对甲苯的苯甲化反应的影响。
In this paper, the distance-time performance in prey response of Zebra Danio (Danio rerio) was investigated by employing a high speed digital video camera (1000Hz).
本文利用数字式高摄像机定量地研究了斑马鱼从
游状态做出捕食反应的运动过程。
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