超声波

In this study,the effect of ultrasonic treatment time on crystallization structure of industry pure aluminum ingots was investigated.

研究了超声波处理时间对工业纯铝铸锭结晶组织的影响，即添加除气剂又进行超声波处理的情况。

Stainless steel and acid-resistant keramics showed less effect on the water's qulity, while the fiber steel which had used for storage in the experiment showed great effect.5 The addition of ultrasonic could remarkably enhance the removal effect of the organics in electrocoagulation treatment, and the removal rate was enhanced with the increasing ultrasound power.

在电流密度为3A/m2，电极板间距为5mm，停留时间为30min的条件下，电凝聚对TOC去除率为53.57%，施加600W超声波后提高到了73.71%；与单纯的电凝聚法相比，采用超声波—电凝聚处理时，水中各分子量区间有机物的去除率提高了11.73%～39.56%；亲水性和疏水性有机物的去除率分别提高了16.67%和28.30%。

Based on signal from carbon fiber composite defects such as lamination, hole, looseners in ultrasonic testing, this paper performs wavelet packet transform on the ultrasonic signals to extract statistics of approximation coefficients and detail coefficients that contain a great part of signal energy as sample-features.

摘要本文以碳纤维复合材料常见缺陷分层、孔隙、疏松的超声波检测缺陷信号为研究对象，对超声波检测信号进行小波包变换，提取包含信号绝大部分能量的近似系数波形特征及细节系数的统计量作为样本的特征值。

Ultrasonic method is using low-frequency ultrasonic energy cuticle damage and the Hot perforation technology is using more heat through the skin. Laser technology is in the skin melted on the stratum corneum and the micro-needle device is in the stratum corneum have a micro machine to achieve the purpose of transdermal.

研究活跃的促渗技术包括离子导入（使用低电压电流使药物通过皮肤）、电穿孔技术（使用高压短电脉冲创造暂时的皮肤水性通道）、超声波法（使用低频超声波能量破坏角质层）和热穿孔技术（使用热能使皮肤更具透过性）、激光技术、微针装置来实现透皮目的。

Single factor and L9(34) orthogonal experiment were carried out to investigate the tendering effect of ultrasonic wave and tenderizer on dried prawns.

该文在超声波处理虾干的基础上，采用L9(34)试验对虾处理条件进行优化，以探讨超声波与嫩化剂对虾干嫩化效果的影响。

The degradation of 2, 4-dichiorophoxyacetic acid (2, 4-D) by ozonation combined with sonication (03/US) was investigated. Based on the authors' first paper about the synergistic effect of ozone and US, this paper presents intermediate products of 2, 4-D degradation. The main intermediates were 2, 4-dichiorophenol, benzopuinone, hydroquinone and organic acids, such as maleic acid and oxalic acid and soon.

利用臭氧超声波联合工艺对苯氧羧酸类除草剂2，4-D进行降解研究，在前文探讨臭氧超声波之间协同效应的基础上，确定其中间产物种类主要有2，4-二氯苯酚、苯醌、氢醌以及小分子酸如顺丁烯二酸、草酸、甲酸、乙酸等。

The main products are: parts ultrasound waves rocking washing machine, the channel of high-density products bearing ultrasonic cleaning machines, ultrasonic cleaning machine volume, from oil machine, dryer, a set of desktop semi-automatic instrument, the pressure of feet, riveters, the whole Rotating sets of automatic machines, machines, measurement systems, automatic注油Gland line.

主要产品有：部品超生波摇动清洗机，通道式高密度成品轴承超声波清洗机，容积式超声波清洗机，脱油机，烘干机，台式半自动合套仪、压脚机、铆钉机、全自动转盘式合套机，机外测量系统，全自动注油压盖线。

Different age and different cement ratio of cement soil are tested with ultrasonic instrument.

对不同龄期、不同水泥掺入比的水泥土试块进行超声波测试，利用FFT技术分析得到水泥土超声波信号的主频。

The starting character that studies electric machinery of ultrasonic of wave of laden be issued to lower levels in development, moving character, timing character, pace enters characteristic, area on the foundation of laden ability, announced load affects the pattern to small step pilot, the robot much freedom that put forward to be based on drive of electric machinery of travelling wave ultrasonic spends articulatory and exact location to control a method.

在深入探究负载下行波超声波电机的启动特性、运行特性、调速特性、步进特性、带负载能力的基础上，揭示了负载对微步控制的影响规律，并提出了基于行波超声波电机驱动的机器人多自由度关节精密定位控制方法。

According to demands of performance, author has designed a new Portable Ultrasonic Flaw Detection system by the scheme, which combines ARM+FPGA hardware framework with Embeddable Linux operation system.

该方案以便携式超声波探伤的设计需求为依据，采用&ARM+FPGA&硬件架构和嵌入式Linux操作系统相结合的设计思想，设计了一个满足性能要求的新型便携式超声波探伤系统。

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。