超声波的

Furthermore, this paper explored a new feasible process of cyanide recovery,investigated the effect of time, concentration of H2SO4 and temperature on the elution of cyanide and zinc in the process of first stage elution, and discussed the effect of time,concentration of ammonia water, temperature and ultrasonic on the elution of copper in the second stage elution.

另外，本实验探索出一种可行的回收氰化物新工艺，在硫酸解吸过程中，研究了硫酸解吸的时间、浓度和温度因素对氰和锌的解吸率的影响；在氨水解吸实验中探讨了时间、温度、浓度、超声波等因素对铜解吸率的影响。

To distinctly find out the relationship between the rigidity of tablet and the ultrasonic speed,laser is emitted to the tablet and then we measure the speed of reflected surface acoustic wave and analyse the experimental data,finally get the tablet rigidity-wave speed curve.

为了清楚地了解片剂的硬度与超声波速度之间的关系，利用激光照射到片剂上，通过测定出反射的声表面波速度，且对实验数据进行分析，从而得出片剂的硬度与声表面波速度之间的关系曲线。

First the traditional non-optical detection technology for gas concentrations is briefly introduced, such as ultra-sound technology, gas sensing, catalytic thermal, gas chromatography, interferometry applications, and then the spectral analysis based on the concentration of gas detection is discussed. The latest technological developments on the differential absorption spectroscopy, Fourier transform infrared spectroscopy, tunable laser diode laser absorption spectroscopy, laser radar and differential absorption Raman scattering laser radar, laser-induced fluorescence spectroscopy, laser Photoacoustic Spectroscopy are reviewed in detail.

首先对传统的非光学气体浓度检测技术作出了简单的介绍，包括超声波技术、气敏法、热催化法、气相色谱法、干涉法应用技术，被动检气管法，然后重点阐述了基于光谱学分析气体浓度检测技术的最新发展动态，其中分别对差分吸收光谱技术、傅里叶变换红外光谱技术、可调谐激光二极管激光吸收光谱技术、差分吸收激光雷达和拉曼散射激光雷达、激光诱导荧光光谱技术、激光光声光谱技术进行了详细介绍，最后提出了现代气体浓度检测技术的发展方向。

Adopted with Micro-Electronics Technology, Radiate electromagnetic wave, ultrasonic wave and infrared, Be the newest, latest, and most efficient Pest Expeller in the world by now.

这是目前世界上最新式、最综合、最有效的一种电子驱虫器，可间歇的发出频率不断变化的电磁波，超声波和红外线，攻击害虫的听觉及神经系统，迫使老鼠等害虫逃离现场，并不会使其产生"适应性"。

Investigation of the ballistic propagation of acoustic wave through two almost same sintered samples with face - centered cubic lattices indicates that there is a band gap range respectively in two order quasi - homogeneous media.

研究超声波经过两个烧结样品的行为。两个烧结样品为有序的面心立方结构，它们的结构几乎相同。研究表明：在两个有序的准均匀的介质中分别有一个禁带区域。

The test equipment, installation and test principle of gigacycle friction fatigue were introduced in this paper,On the basis of the fatigue test apparatus of 20 KHz ultrasonic vibration,the frequency value,the dimension calculation formulas and the specific shape of the specimen were given.

介绍了高周摩擦疲劳试验设备、装置及试验原理根据 2 0 0 0 0Hz超声波震动疲劳试验机的要求，给出了试件的频率值、尺寸计算、公式和具体形状；最后，给出了摩擦力、应力与位移的表达形式和疲劳寿命的记录方

This article uses the microwave oven separately to use 700W,336W processing for 3min on pretreatment of three vegetables(celery,greengrocery and green soy bean),andusing the ultrasonic wave extraction process and 70％methyl alcohol to withdraw,then Uses the spectrophotometer method to determine and compare total flavonoid content of the three vegetables in which two samplewere processed by microwave,and the other was fresh.

本文利用微波炉对新鲜的三种常食蔬菜进行处理，分别用700W，336W处理3分钟，采用超声波提取法用70％的甲醇进行提取，然后用分光光度法对三种蔬菜未经微波处理的新鲜样品和经两种微波处理的样品进行总黄酮含量的测定和比较。

This article introduces ultrasonic flow meter' measure theory, configuration of hardware and the design of the software.

在设计中，为了提高超声波流量计的测量精度和可靠性，需要在设计的时候采用新型的检测控制芯片和新的检测理论。

While CT images to the size change are more sensitive, but it is very difficult to identify the shape of concrete flaws.2 CT image quality analysis of the effects of numerous factors: For example, the combinations of flaws, the relationship between the number of survey points and the number of imaging modules, inverse model, calculation accuracy.

分析了影响超声波CT图像质量的众多因素。如缺陷组合形式，测点数和成像单元数之间的数量关系，反演模型的选择，计算精度等。并给出了相应的解决方案，尽可能地消除了CT图像的"伪像"。

So, firstly the leveling principle of the ironer of paver and the factors that affect the roughness of pavement is presented, and then the hydraulic system and the ultrasonic sensor is analyzed in detail.

为此，首先阐述了摊铺机熨平装置的找平原理及影响摊铺平整度的因素，然后对摊铺机自动找平控制系统中的液压系统与超声波传感器做了详细的分析。

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。