射频

Because the traditional wireless microphone uses the frequency low silent chain, all is analyzes the radio-frequency signal the intensity, therefore they cannot and need the noise the signal differentiates; In the noisy radio frequency environment (for example digital equipment and so on CD/VCD/LD send out massive overtones) under use, when this launcher signal weak or closure, the silent chain possibly can open suddenly, the receiver can send out the intense demolition noise.

传统无线麦克风因采用频率低的静噪电路，都是分析射频信号的强度，所以它们不能把噪音和需要的信号区分开来；在嘈杂的射频环境(如CD/VCD/LD等数码设备散发出的大量谐波)下使用，在该发射器的信号微弱或关闭时，静噪电路可能会忽然打开，接收机就会发出强烈的爆破噪声。

In the four placebo-controlled studies evaluating radiofrequency denervation outcomes in patients with "confirmed"l-z joint pain, the only study that screened patients with MBB demonstrated positive outcomes,157versus only one of three that used diagnostic intraarticularin jections.158–160 Ultrasound-guided medial branchand intraarticular blocks have also been demonstrated to provide comparable accuracy to fluoroscopically guided injections, although they may be less likely to detect low-volume intravascular uptake and are less accurate in obese patients.161–164 Because MBB are technically easier to perform than intraarticular injections and involve anesthetization of the nerves to be lesioned, it seems more logical to use these blocks as a prognostic tool before radiofrequency denervation.

在四个设有安慰剂对照的对于&确诊&小关节疼痛的患者行射频神经消融后的结果的研究中，唯一一个用MBB筛选研究对象的实验表现出阳性结果，而其他3个用关节内注射筛选的实验中只有1个表现出阳性。超声介导下的内侧支关节囊内阻滞被证实较透视介导更精确，虽然其血管内吸收剂量较低且在肥胖的患者中精确性较差。由于MBB较之关节内注射技术上更简单，且能对受损神经进行麻醉，利用这种阻滞作为神经射频消融前的诊断方法较为合理。

An RF ion source suitable for low power operation over a range of pressures in air which comprises discharge electrode, a cathode and an anode, the cathode being connected to an rf signal supply through an associated coupling means and the anode adapted to provide a surface area over which a plasma discharge may occur no greater than substantially that of the cathodal area over which the discharge may occur.

在空气压力范围内适合低功率工作的射频离子源，该离子源包含放电电极，一个阴极和一个阳极，该阴极通过相关的连接装置连接到射频信号源，调节该阳极以提供等离子放电可能发生的表面区域，该区域不大于放电可能发生的阴极区域。

RFA was undertaken percutaneously on an outpatient basis in 13 patients (25 lesions). The remaining patients underwent RFA via laparoscopy (21 patients; 58 lesions) or celiotomy (16 patients; 49 lesions); mean hospital stay was 1 and 5 days, respectively.

13位病人（25个病灶）的采用经皮下植入的射频治疗，其他病人包括21位病人（58个病灶）采用了腹腔镜下的射频消融手术和16位病人（49个病灶）开腹手术治疗；平均住院时间分别为1和5天。

Recently, bipolar radiofrequency energy has become popular as a method of performing chondroplasty because of accurately treatment to degenerative cartilage and minimal injury to normal cartilage. But the questions of the effects of bipolar RFE to degenerative cartilage, the reaction of chondrocyte and cartilage matrix, the change of the cartilage after the treatment, and the influence to the cartilage degenerative course, were still unknown.

但是双极射频在关节软骨退变治疗中究竟发挥何种作用，治疗区软骨细胞及软骨基质成分反应是怎样的，随着时间的推移软骨表面的变化如何，双极射频对软骨退变的病程有无影响，这些问题都不清楚。

The study of bipolar radiofrequency energy chondropalsty to degenerative articular cartilage of goat We performed bipolar frequency energy chondroplasty to degenerative articular cartilage three months after the first operation.

使用双极射频（Arthrocarc system 2000，射频头是CoVac 50），能级设定为1，对右膝退变的髌骨和股骨内髁软骨进行软骨成形术，左膝进行假手术作为对照。

Radiofrequence endovenous closure symdrome for treating venous ulceration in lower limb is better than traditional operation method.

射频静脉腔内闭合系统射频封闭治疗手术方法较传统方法效果更好。

Days.Conclusion Radiofrequence endovenous closure symdrome for treating venous ulceration in lower limb is better than traditional operation method.

射频静脉腔内闭合系统射频封闭治疗手术方法较传统方法效果更好。

In other words, the interruption of reentry induced by RFCA does not indicate the definite histological lesion or enzym injury of the reentrant circle, but probably signifies that the change of ion channels with a large area involves the reentant circle.

也就是说射频消融终止折返性心动过速并不一定是折返环路的组织结构或代谢损伤所致，而可能是射频电流对大范围的心肌细胞膜离子流的影响累到及折返环路所致。

It is made up of a guide needle (11) which houses two or more active radio-frequency wires (14, 15) connected at their proximal end to a radio-frequency generator and each one having a spiraled, helicoidal or spiral, distal segment 14'.

其由引导针(11)构成，该引导针藏有两根或更多活动射频导线(14、15)，该导线在其近端连接到射频发生器，并且每根导线具有绕成螺旋的、漩涡状的或螺旋状的远端段(14′、15′)。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。