超声波的

In the research, toluene and xylene were employed as raw materials, Mn/Mn , Ce/Ce and Mn/MnO_2 as oxidative medias, respectively. Corresponding oxidants Mn, Ce, MnO_2 were electrolyzed through sonoelectrooxidation method, and were applied to oxidate the raw materials to prepare benzaldehyde and its derivatives under the ultrasonic radiation.

在研究中选择甲苯和二甲苯为原料，分别以Mn／Mn、Ce／Ce和MnO_2／Mn为氧化媒质，通过超声电氧化的方法，电解得到相应的氧化剂Mn、Ce和MnO_2，并在超声波作用下，将其用于氧化原料制备相应的苯甲醛及其衍生物。

Using ultrasonic wave to extract resveratrol from the Polygonum cuspidatun sieb, the influence of ...

占空比较小的超声波辅助提取，有利于保持较高的白藜芦醇的相对含量

Firstly the theory of the ultrasonic proximity module in new fuze is analysed. The factors which affect performance of the proximity fuze are studied.

首先分析了火箭深弹新型引信声近炸模块的工作原理，对影响引信声近炸性能的因素作了研究，着重研究了增强超声波探测收机性能的关键技术，即接收机自动增益和信号处理技术。

If an Engineer is close to your building and you have no other way to defend it quickly, throw up the Repulsion Field and you will block entry to your building.

如果一个工程师靠近你的建筑，你没有其他的方法可以快速防御，扔个超声波场，你就可以阻断你建筑的入口。

The result shows that inspecting cabtyre sheathing by ultrasonic is feasible, and the immersion method would be the most reasonable one.

提出了采用水浸法及聚焦探头是比较合理的探伤方法，同时为超声波应用于硬质橡胶材料的质量检测提供了一定的依据。

In order to solve the problems, the article contrasted the shrinkproof effect with H2O2 pretreatment, the plasma pretreatment and the ultrasonic wave pretreatment before using transglutaminase on wool fabric.

为解决单独用蛋白酶处理羊毛织物时防缩效果不明显的问题，文章在谷氨酰胺转胺酶处理前对比了H2O2、等离子体、超声波预处理对羊毛织物防缩等性能的作用效果，选择最佳的预处理方法。

The advantage of this kind sensor is that the feeble vibration produced by ultrasonic wave on the surface of solid plate transmission can be detected accurately.

这种传感器的特点是能够精确地检测由固体表面传播的超声波产生的微弱振动。

The invention relates to a preparation process for synthesizing polyethylene terephthalate 1, 3- terephthalate catalyst, which comprises adding titanic acid ester, germanium compounds and cobalt compound into liquid dispersed phase of organic solution, wherein the total weight concentration is 4-10%, and preparing the catalyst through mechanical stirring or ultrasonic wave mixed ligand for 10-60 minutes in 0-120 DEG C, wherein the adding content of titanic acid ester, germanium compounds and cobalt compound are respectively 200-500ppm, 50-300ppm and 100-400ppm of reaction monomer mass of terephthalic acid or dimethyl terephthalate.

本发明涉及一种合成聚对苯二甲酸1，3-丙二醇酯催化剂的制备方法，将钛酸酯、锗化合物和钴化合物加入到有机溶剂的液体分散相中，总重量浓度为4～10％，在0-120℃通过机械搅拌或超声波混配10-60min制得；钛酸酯、锗化合物和钴化合物加入量分别是对苯二甲酸或对苯二甲酸二甲酯反应单体质量的200-500ppm、50-300ppm、100-400ppm；用此催化剂制备PTT产品，酯化和缩聚反应时间相对于单独使用钛酸四丁酯缩短了30-60min，产品特性粘数0.70-1.05dL/g，色相b值在2-6之间，切片可用于加工新型合成纤维及工程塑料产品。

Heart ultrasounds are often needed at bedside, but transportable instruments have had limited performance.

心脏超声波通常需要额外的护理人员，但是可输送的设备的性能有限。

The relation of strength and ultrasonic wave velocity of concrete with different damage were researched.

通过研究混凝土受损前后的强度和超声波传播速度，选取与强度有关的内部损伤变量，建立了内、外损伤变量之间的关系。

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。