高频

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。

And the effects of such parameters as the joint deformation and incident frequency on the intensity variation of the EME are investigated.

结果表明，电磁辐射的幅值随节理变形增大而增大；同样，随传播距离的增大高频电磁信号衰减比低频信号衰减要快。

And the emeraldine salts (ES2) of polyaniline were prepared by emeraldine base form of polyaniline doped with different acid dopants at room temperature. The structure and morphology of ES1 and ES2 were characterized by Fourier transform infrared spectrometer, Ultraviolet-Visible spectrophotometer and wide angle X-ray diffactometer, respectively.

并藉由傅立叶红外线光谱仪结构之鉴定，四点导电度计体积电阻之测定，黏度法重量平均分子量之量测，元素分析仪元素掺杂比之测定，紫外线-可见光光谱分析仪吸收波长之解析，X-ray绕射分析仪分子形态之分析，低频/高频阻抗分析仪介电行为之探讨，以及同轴量测系统电磁波遮蔽效应等之量测。

The invention belongs to the fluid measuring technical field and relates to an oil, gas and water three-phase oil well continuous gauging device, which comprises a high-efficient gas-liquid separator; the high-efficient gas-liquid separator is connected with an oil, gas and water three-phase inflowing port; a gas phase outlet of the oil, gas and water three-phase inflowing port is connected with a gas phase measuring pipeline; a gas path temperature sensor, a gas path pressure sensor and a gas path endocone flowmeter with high-frequency differential pressure transmitter are arranged on the gas phase measuring pipeline; a liquid phase outlet of the high-efficient gas-liquid separator is connected with a liquid phase measuring pipeline; a liquid path Coriolis mass flowmeter and a liquid path endocone flowmeter are arranged on the liquid phase measuring pipeline; and the cross section of the pipeline for mounting the liquid path Coriolis mass flowmeter is more than the cross section of the pipeline for mounting the liquid path endocone flowmeter.

本发明属于流体测量技术领域，涉及一种油、气、水三相油井连续计量装置，包括高效气液分离器，高效气液分离器与油、气、水三相流入口相连，其气相出口与气相测量管路相连，在气相测量管路上装有气路温度传感器、气路压力传感器、带有高频差压变送器的气路内锥流量计；高效气液分离器的液相出口与液相测量管路相连，在液相测量管路上装有液路科氏质量流量计和液路内锥流量计，安装液路科氏质量流量计的管路的截面积大于安装液路内锥流量计的管路的截面积。

In this context, we have reported recently that the volume of myocardial tissue occupied by perimysial and endomysial collagen was lower in hypertensive patients with HF and depressed ejection fraction, than in hypertensive patients with HF and preserved ejection fraction and normotensive subjects.56 Of interest, the interstitial and perivascular accumulation of collagen fibres was abnormally high in the two groups of patients.

在这种情况下，我们已经说了占用体积perimysial心肌组织人肌内膜胶原水平低的高血压患者用高频和沮丧的射血分数在高血压患者的心力衰竭和保存被罚出场分数与正常血压subjects.56舒张压的利息、间质和血管堆积过高的胶原纤维是在两组病人。

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。

The permo-carboniferous coal measures in North China Basin were formed under the condition of epicontinental sea which was characterized by the extreme gentle slope and high frequency of sae-level changes, the contemporaneous margin portion of which was probably very far or had been destroyed during the proccess of plate subduction and continental collision. The lowstand systems tract, therefore, has not be discovered up to now.

华北晚古生代内陆表海古地貌上表现出的极缓的基底和海平面的高频变化，具有特殊性，其同期的边缘海部分可能距离很远或在板块消减及大陆碰撞过程中被破坏掉，因而至今未发现低位体系域存在的证据。

Methods:Fouty-nine patients with epididymal tuberculosis detected by ultrasonography,finally proved by operation and pathology.

用高频超声对经手术病理证实的49例附睾结核用直接方法进行探查。

High frequency data were largely associated with dielectric properties of the oxide films whilst low frequency data, below 1 Hz, gave information on faradaic processes proceeding at flaws.

高频下的阻抗数据主要跟膜的介电性质有关，而1Hz以下低频的数据反映了膜上进行的电化学过程。

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！