查询词典 khz

Consider a requirement for an amplifier having a voltage gain of 10 at 50 kHz driving into a 10 kW load.

考虑对于一个在50 kHz频率上电压增益为10的放大器驱动10 kW负载时的要求。

The follow up audiometric measurement（the average hearing threshold at 0.5, 1.0, 2.0 kHz HL） was taken.

计算语言频率（0.5，1， 2 kHz）气导平均听力及气骨导差，比较不同手术方式和PORP植入方式对疗效的影响。

The results show that the forward and backword step response times are 0.54 and 1.08 ms respectively, and the frenquency band width is about 1 kHz.

结果表明，该阀正向阶跃响应时间为0.54 ms，负向阶跃响应时间为1.08 ms，频宽约为1 kHz。

After 24 kHz ultrasonic incontinuous treatments, the fermentation time was shortened by 36 hours and productivity rate of riboflavin was increased by about 2 times compared with the control groups.

该结果在24 kHz的刺激作用下最为明显，在此频率超声作用下，发酵时间比对照组提前了36 h，核黄素的发酵得率提高了2倍左右。2。

Results show the optimal conditions for the moringa seed oil extraction are as follows: using petroleum ether as solvent,the ratio of solvent to moringa seeds is 8∶1,extraction time 40 min and extracting twice with the aid of 28 kHz ultrasonic.At the conditions,the ...

结果显示，超声波辅助溶剂萃取辣木籽油的最佳条件为：溶剂石油醚，提取次数2次，提取时间40 min，超声波频率28 kHz，液料比8∶1，在此条件下，辣木籽的平均出油率为35.85%，提取率96%，表明超声波辅助溶剂萃取法是一种可用于萃取辣木籽油的适宜方法。

Nasutus lasts 4.5 ms,consisting of 4 pulse-strings with an inter-chirp interval of 1.8 ms,and the frequency of highest power peak is about 11.37 kHz. The chirp of the songs of E.

鼻优草螽鸣声的每个脉冲组由4个脉冲串构成，脉冲组持续时间4.5 ms，脉冲组间隔为1.8 ms，主能峰频率为11.37 kHz。

However, at high frequencies pinnae can conceal the shoulder reflection so that the shoulder reflection below 3.0 kHz is available as a stable localization information.

因此，3.0 kHz以下的肩部反射能够成为一个稳定的声源定位因素。

The songs of cicadas A and B are both sound of rhythmical type consisting of single stridulant group and consecutive stridulant group with the main peak frequency at 6.3 kHz.

蝉A和蝉B的鸣声都是由主峰频率为6.3 kHz的单次声群和连续声群组成的节律声。

The information includes combustion, valve-open and valve-close information. But this signal also contains interfering noise, like exhaust noise and other noise eradiated from the other part of the diesel engine, and the frequency composition of useful signal and interfering noise are largely overlapped in the frequency band under 20 KHz.

但是提取的缸盖噪声信号中也含有柴油机工作时产生的排气噪声和机体其它部位辐射噪声等干扰信号，且干扰信号与有用信号的频率成分在20 kHz以下的频带内重叠在一起。

Features NPT IGBT technology low saturation voltage low switching losses switching frequency up to 30 kHz square RBSOA, no latch up high short circuit capability positive temperature coefficient for easy parallelling MOS input, voltage controlled ultra fast free wheeling diodes solderable pins for PCB mounting package with copper base plate

不扩散核武器条约IGBT技术特点的低饱和电压低开关损耗开关频率高达30 kHz的方RBSOA，没有闭锁了高短路能力正温度系数，方便parallelling马鞍山输入，电压控制超高速免费续流二极管，用于印刷电路板焊接的引脚与铜底板的安装包

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。