查询词典 ultrasonic wave

The synthesis of diphenylmethanol under ultrasonic wave irradiation was studied.

报道了超声波作用下合成二苯甲醇的方法。

Was extracted with ultrasonic wave, and then treated with macroporous adsorption resin to get three extract , and .

以超声波提取法和大孔树脂对桑叶进行初步提取，得到三个提取物。

Based on this mechanism, we have recently developed DC nanogenerator driven by ultrasonic wave in bio-fluid.

利用此工作机制，最近发展了一种生物流体中超声波驱动的直流纳米发电机。

Finally it forecasts the development application prospect of ultrasonic wave technology in automobile sensor production realm.

最后展望了超声波技术在汽车传感器生产领域的发展应用前景。

Ultrasound:Use of ultrasonic wave s to produce images of body structures.

超音检查：利用高频声波在人体深部结构产生影像的技术。

Ultrasonic wave pulse technique was used to investigate the velocity of sound and attenuation of the damaged samples PBXN-S.

采用超声探伤仪对损伤材料PBXN-5的声速和声衰减进行了测量。

The principle of using ultrasonic wave to detect the vermicular graphite rate in vermicular iron is introduced.

介绍了超声波声速测定蠕墨铸铁蠕化率的原理，通过用金相和超声波两种方法对蠕墨铸铁蠕化率进行对比测量，验证了蠕化率与声速的对应关系。

METHODS By the means of viscometry , the effects of reaction time , chitosan and acetic acid concentration on the hydrolytic velocity of chitosan by ultrasonic wave were investigated .

采用粘度测定法，探讨了超声波辐射时间与壳聚糖粘度的关系以及壳聚糖的浓度，醋酸的浓度对降解速度的影响。

The dissertation obtains the rules of the ultrasonic wave propagating from its source to the sensor.

仿真和实验结果验证了模型和估算方法的正确和有效性。

Ultrasonic wave propagates at the constant speed in the same medium and reflects when meets with obstacle.

超声波液位计是众多液位计中发展较快、应用较多的一种液位测量仪表。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。