| 1. | Standard practice for cleaning of materials and components by ultrasonic techniques
用超声技术清洗材料和元部件的标准实施规程 |
| 2. | Make the ultrasonic technique used in industrialized utilization of extraction of tcm & np
2将超声波技术应用到中药和天然药物的工业化提取。 |
| 3. | The principal theory of particle size measurement for mineral slurry by ultrasonic techniques is introduced
摘要阐述了超声波粒度检测的基本原理。 |
| 4. | Advanced technical ceramics - ceramic composites - mechanical properties at room temperature , determination of elastic properties by an ultrasonic technique
高技术陶瓷.陶瓷复合材料.室温下的机械特性.用超声波技术测定陶瓷的弹性 |
| 5. | Advanced technical ceramics - ceramic composites - mechanical properties at room temperature ; determination of elastic properties by an ultrasonic technique ; german version env 14186 : 2002
高技术陶瓷.陶瓷混合料.室温下机械性能.采用超声波技 |
| 6. | Some special surface treatment methods were adopted to improve the interface interaction between the polymer and magnetic particles in order to increase the encapsulation efficiency . the ultrasonic technique , some organic solvents and several functional steric stabilizers were applied to improve the quality of final magnetic particles . ps / iron oxides magnetic composite microspheres with the size 80 - 210nm were prepared via improved emulsion polymerization
三种方法可以制备具有不同粒径和磁性能的磁性fe _ 3o _ 4纳米粒子，其中，共沉淀法制备的磁性微粒粒径大小稳定，比较容易控制在10nm左右，且所得磁性微粒的磁响应性强，具有超顺磁性，利于制备高性能的磁性复合微球。 |
| 7. | The laser - induced ultrasonic technique , which is based on the generation of ultrasonic by a laser and the detection of stress wave with laser interferometry , and is an ideal combination of laser and ultrasonic for non - destructive testing , has also the advantage of non - contact , and has become very important in the non - destructive testing fields
激光超声检测技术是利用激光脉冲照射样品表面，激发出超声波，并利用光学方法对超声波进行检测，从而实现对样品进行无损检测的一种方法。目前，激光超声技术已成为无损检测领域中的一种重要技术和手段。 |
| 8. | The signal - to - noise ratio of the nondestructive testing system employing optical heterodyne and ultrasonic techniques is analyzed and calculated from two aspects including phase matching of optical heterodyne measurement in nondestructive testing and the effects of beam incidence on the intensity of heterodyne signal and signal beam
对光外差超声无损探伤系统的信噪比从两个方面入手进行了计算分析:第一,光外差测量在无损探伤中的相位匹配;第二,光束入射角对信号光光强和外差信号强度的影响。 |
| 9. | As one of the most potential experimental stress measurement , ultrasonic technique was widely developed and applied in recent years . limited by their own characters , bulk wave and surface wave in ultrasonic frequency are difficult to be used to measure the internal tangent stress condition from the surface of medium . in many occasions , they will not be able to evaluate the working condition of mechanical components effectively
超声波技术作为最有潜力的实验应力测量技术之一,近年来得到了广泛的发展和应用,然而超声体波与表面波由于其自身的限制性,均无法从表面测量内部的切向应力状况,在许多场合下无法有效进行机械构件工作状态的评估。 |
