查询词典 high frequency

Methods The mitral (M1) and tricuspid (T1) valves componented of the first heart sound (S1), the aortic (A2) and pulmonary (P2) valves componented of the second heart sound (S2) were detected by short-time Fourier transformation spectrogram and Shannon engergy, in the high frequency resolution circumstance.

在频率分辨率较高的情况下，利用短时傅立叶变换声谱图和香农能量，提取出第1心音(S1)的主要成分二尖瓣关闭音(M1)、三尖瓣关闭音(T1)及第2心音(S2)的主要成分主动脉瓣关闭音(A2)、肺动脉瓣关闭音(P2)。

American readers are usually surprised by the sentiment of condoling the homeland with high frequency when they read translated Chinese works. They may be even bored of this sometimes.

美国读者在阅读中国诗歌的译著时往往会惊诧于诗中频繁出现的哀悼故土的感伤之情，有时甚至会对此感到厌烦。

Methods High frequency ultrasonography of normal cubital and carpal tunnel were performed in 30 healthy volunteers.

应用高频超声观察30例正常人的肘管及腕管的超声解剖并对20例肘管综合征、10例腕管综合征患者术前行超声检查。

Objective:To study the effects of mag netic material which has low curie temperatue induced by high frequency electromagnet for tumors.Methods:The needle-like magnetic material made of nickel-copper alloy which has low cuir e temperature,was implanted in S180 tumors of mice.

将镍铜合金制作的居里点温度为60 ℃的柱状磁性材料植入小鼠S180 内，从体外用高频电磁场诱导植入瘤体内的磁性材料感应产热，观察瘤体的温度变化和加热后的病理改变、瘤体大小及动物生存时间等。

Methods: The needle-like magnetic material made of nickel-copper alloy which has low cuir e temperature,was implanted in S180 tumors of mice.Then high frequency el ectrom agnetic field was applied outside body to make the magnetic material produce the hyperthermia.

将镍铜合金制作的居里点温度为60 ℃的柱状磁性材料植入小鼠S180 内，从体外用高频电磁场诱导植入瘤体内的磁性材料感应产热，观察瘤体的温度变化和加热后的病理改变、瘤体大小及动物生存时间等。

Applying stem as explants, high frequency propagation of seedlings can be achieved with plant tissue culture in Cynanchum auriculatum.

结论］采用白首乌的茎段作为外植体，利用组织培养的方法能实现种苗的快速工厂化。

These designs, however, had a high frequency of failure, with large amounts of osteolysis recorded distally.

这些假体有很高的假体失败率，伴随假体远端大量骨溶解。

Levels generated by high frequency electronic devices are subject to regulation by Federal Communications Commission or International Electrotechnical Commission.

高频电子设备的干扰等级应服从联邦通信委员会或国际电工委员会的规定。

Dalian University of Technology,Dalian 116024, China）Abstract: To accurately analyze the eliminative effect of high frequency electromagnetic field on the nonmetallic inclusions in liquid metal, the electromagnetic eliminating experiments were made with 100, 50 and 10 μm primary Si produced by Al-Si alloys with Si content of 18%, 12.6% and 10% respectively, and was used to simulate the nonmetallic inclusions.

摘 要：为了更准确地分析高频交变电磁场对金属熔体中的非金属夹杂物的去除效果，分别利用硅含量为18%、 12.6%和10% 3种铝硅合金所生成的尺寸为100、 50和10 μm的硅块来模拟非金属夹杂物以进行电磁净化实验研究。

Methods applied by olympus electron gastroscope or enteroscope to find peptic polyps and cut them adopted by olympus des high frequency generator and radiofrequency treatment instrument under gastroscope.

应用olympus-240/260电子胃镜或肠镜发现消化道息肉后，内镜下视病变采用olympus psd-20高频发生器及射频治疗仪切除息肉。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！