超声波的

The focus of that research is on applying adaptive process controls to the manufacturing process for membrane electrode assemblies, which are key components of fuel cells, and also to investigate the feasibility of using ultrasonics for manufacturing processes.

研究的重点是如何将自适应过程控制应用到膜电极组件的生产上，因为它是燃料电池的关键部分，同时探索利用超声波进行生产的可行性

In the second chapter, the mechanics principle of USF is introduced. How the defects cause measure error is calculated, and draw a conclusion: the unideal velocity profile causes large error when the meter calcs flow rate by a ideal meter constant.

论文的第一章以大量的国内外文献为基础，全面论述了流量计的发展历史和现状，确定以最有发展前途的流量计之一――气体超声波流量计为研究内容。

Company not only has the high-volume processing capacity, is that it can be more difficult to bear all kinds of vacuum coating and ion implantation technology development, and provide technology transfer and technical services such as full-service The company has advanced three vacuum equipment, ultrasonic cleaning equipment, deionized water equipment related production equipment, fully meet the customer's production requirements.

公司不仅具有大批量加工生产能力，更主要的是能承担各类高难度的真空镀膜及离子注入技术的开发，并提供技术转让和技术服务等全方位服务公司拥有先进的真空设备三台、超声波清洗设备、去离子水设备等相关配套生产设备，完全可以满足客户的生产要求。

METHODS By the means of viscometry , the effects of reaction time , chitosan and acetic acid concentration on the hydrolytic velocity of chitosan by ultrasonic wave were investigated .

采用粘度测定法，探讨了超声波辐射时间与壳聚糖粘度的关系以及壳聚糖的浓度，醋酸的浓度对降解速度的影响。

A new multi-degree of freedom ultrasonic motor using in-plane deformation of lead zirconate titanate elements was introduced.

介绍了一种新型基于压电陶瓷平面内应变特性的多自由度超声波电机，该电机通过两个平面内的弯曲振动模态的叠加实现转子绕Z轴的转动；并利用伸缩振动模态分别与上述弯曲振动模态叠加实现转子绕X轴和绕Y轴的转动。

The supernatant of the recombinant E. coli by sonication could not only repress the pigment synthesize of Chromobacterium violaceum ATCC 12472, but also could attenuate the intensity of bioluminescence of V. harveyi VIB391 and V. harveyi BB886 by 68% and 53%, respectively.

将表达的重组菌体经超声波破碎后，取其上清液作用于紫色色杆菌ATCC 12472，使其受密度感应系统控制的紫色色素的合成受到抑制；又用上清液分别作用于哈维氏弧菌的发光菌株VIB391和BB886，可使其发光强度分别减弱68%和53%。

The preparation condition for Co-Fe/diatomite catalysts for selective hydrogenation of cinnamaldehyde to cinnamyl alcohol was studied and improvement of properties of the catalysts by preparation under ultrasonic irradiation was discussed.

对肉桂醛选择加氢制肉桂醇的Co-Fe/硅藻土催化剂的制备条件进行了研究，并对超声波作用下制备的催化剂的催化性能优化进行了探讨。

Some important control parameters,including the concentration of samples,the pumping rate,the ultrasonic intensity and dispersion time,and the selection of the deflocculant,are optimized for the establishment of a standard operation process for soft clay.

采用马尔文公司生产的Mastersizer Micro(MAF5000)激光衍射粒度仪测定江苏连云港地区软土的粒度分布，对样品质量浓度、泵速、超声波强度与时间、分散剂选取等控制参数进行了优化设计，确定合适的控制参数，便于对相同类型的软土测量确定标准操作规程。

According to the structure and property of feather fibre fabric and the sizing ingredients,choosing the biological catalyst-enzyme which has high catalysis efficiency and undivided reactivity,to desize the feather fibre fabric ,the paste would be removed quickly and efficiently.

在羽毛纤维织物结构性能基础上，结合织物上所含浆料的组成，选择催化效率高、反应专一的生物催化剂酶对羽毛纤维织物进行退浆处理，可以快速、高效退除织物上的浆料，同时酶退浆时反应条件温和，不需要高温、高压、强酸、强碱的作用条件；采用超声波对羽毛纤维织物进行退浆可以缩短处理时间、降低处理温度，减少药剂用量，而处理效果优于常规法退浆。

In the air samples ,di(2-ethylhexy) phthalate,di-n-butyl phthalate and dioctyl phthalate were included,while diethyl phthalate,di(2-ethylhexy) phthalate,dipropyl phthalate,butyl benzyl phthalate,dioctyl phtha...

大气环境样品中邻苯二甲酸酯类化合物的预处理主要采用的是索氏提取、溶液提取和填充柱分离；水环境样品中采用的前处理技术较多，但大多数都是萃取技术；底质和生物试样目前用的较多是微波萃取、超声波萃取和索氏提取。

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。