超声波

Through different preparation technology, needle coke was prepared with coal-tar pitch under the effect of magnetic field and ultrasonic capitation.

在不同制备工艺下，用煤焦油沥青在磁场诱导和超声波空化条件下合成了针状焦。

Cooling-curves of different composition after ultrasonic blend were measured with the guide of theory forecast results of the binary system of capric acid and myristic acid. The experiment phase diagram was protracted, eutectic temperature and composition range were discovered of the binary system. Phase change properties of eutectic composition were tested with DSC, the change of the wave shape of eutectic composition after 300 thermocycling was tested with IR.

以癸酸-十四烷酸二元体系的理论预测相图为指导，测量了该体系不同组成超声波混合后的步冷曲线，绘制了该体系的实验相图，判断出最低共熔温度与组成范围；采用DSC测试最低共熔组成的相变性能，采用IR检测最低共熔组成300次热循环前后的波形变化。

Ultrasonic wave is widely used because of its cavitation effect .

超声波清洗具有广泛的应用，它利用的是超声空化效应。

Based on the nitrogen content measured vial Kjeldahl nitrogen detection equipment,the substituted degree of cellulose nitrate by nitric acid was calculated to be 2.75 per glucose unit.

分别把NanoG、RNG和ONG加入到硝酸纤维素的丙酮溶液中，经过超声波震荡处理，挥发溶剂后得到三种纳米石墨导电复合膜。

These results show that ultrasonic treatment technique is an effective, prospective means for activation of cellulose at present.

研究表明超声波技术是一种很有效的预处理新技术。

The experience in using a single-chip microcomputer of type KMI816VE48 for a pilot series of ultrasound diagnostic units has pointed out its broad capabilities in accomplishing such controller functions as servicing a functional keyboard, managing operating procedures of the unit, interaction with the character generator, and formation of markers and cursor lines on the screen of the video monitor.

在利用试验的超声波系列的单芯片微机型KMI816VE48诊断单位的经验指出，在完成的服务功能键盘，管理单位，以字符发生器的互动运作程序等功能，其广泛的控制能力，和形成的标记和光标线对视频监控屏幕。

Chlorophenol(2-CP) and 4-chlorophenol(4-CP) were treated respectively in coupled ultrasound/ electrocatalysis systems.

采用超声波-电催化联合技术处理2-氯酚(2-CP)和4-氯酚(4-CP)，探讨了电催化氧化和超声氧化的协同效应，考察了影响声电联合降解氯酚化合物的条件因数。

Chlorophenol (4-CP) solution was treated by US/UV synergetic catalysis technology and the major influencing factors such as the sound intensity, initial pH value of solution, initial 4-CP concentration, the amount of catalyst and medium temperature were examined in this paper.

选择掺杂过渡金属离子Fe3 +的纳米TiO2 为催化剂，研究了US UV协同催化氧化水中对氯苯酚(4 CP)的降解效果，考察了对氯苯酚的起始浓度、超声波声强、溶液初始pH、饱和气体种类、反应温度和催化剂投加量对氯苯酚降解速率的影响。

Chloropicrin in vegetables and fruits was determined by gas chromatography with ECD after extracted with petroleum ether under ultrasonic.

采用石油醚对蔬菜、水果样品进行超声波提取，以气相色谱电子捕获检测器测定氯化苦残留。

The device parameter as well as resonance frequency,mechanical quality factor and work band width were determined by the equiv- alent circuit input impedance admittance circle diagram .

分析压电式超声波换能器的等效电路，并由等效电路输入阻抗的导纳圆图确定了换能器的元器件参数以及谐振频率、机械品质因数和工作带宽等特征参量。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。