超声波

Pressurized solvent extraction of imidacloprid in soil comparing to traditional method such as ultrasonic extraction, shaking extraction and Soxhlet extraction were studied.

对土壤样品中吡虫啉快速压力溶剂萃取技术与传统提取方法（超声波萃取、振荡提取和索氏萃取）进行了对比研究。

We take spectrographic analysis for the chemical composition of tapping and UT for the bonding zone of rolls.

在炉前铁水成分分析中，采用国际先进的光学和化学分析相结合的方法，离心轧辊的结合层质量按国家标准采用超声波检测，具有完备的生产保证体系和先进的产品质量检测手段。

The optimum condition of preparing process were obtained: the amount - of - substance ratio of sodium hydroxide and eerie sulfate tetrahydrate was 4.8:1 ,the quantity of PEG was 8 mL in reaction and 7 mL in washing, absolute alcohol was 10 mL in washing, irradiation time was 6 min, constant microwave irradiation pressure was 0.14 MPa, microwave power was 232 W, the ultrasonic wave dispersing time was 10 min and the microwave drying time was 10 min.

通过考察制备过程中的各个影响因素，得到了制备纳米二氧化铈的最佳工艺条件：氢氧化钠与四水硫酸高铈物质的量比为4.8：1；聚乙二醇的反应用量为8mL，洗涤用量为7mL；无水乙醇的洗涤用量为10mL；微波恒压时间为6min；微波压力为0.14MPa；微波功率为232W；超声波分散时间为10min；微波干燥时间为10min。

The stability of nano-alumina aqueous dispersion is tokened by spectrophotometer and particle size distribution instrument. It is proved that when condition is dispersant PMAA =0.4%, pH =9, nano-γ-alumina content = 4%,ultrasonic for twenty minites, excellent stable nano-alumina aqueous dispersion can be acquired.

用分光光度计和粒度分析仪表征了纳米粒子水分散液的稳定性，结果表明纳米γ相Al2O3浓度为4%，分散剂为阴离子聚电解质，用量0.4%，PH=9，采用超声波分散20分钟得到最好的分散效果，纳米颗粒的平均粒径为205nm。

Objective To explore the therapeutic effect of ultrasonic wave combined with introduction of iodine ions in the treatment of infant congenital torticollis .

目的探讨超声波联合碘离子导入治疗先天性肌性斜颈的疗效。

Unlike the radial transillumination that can leave negative film for future reference, supersonic detection is hardly traceable.

因此用 超声波检测代替射线检测时，检测前应征得设计单位同意。

The results show that: 1 trashracks do not interfere with one another when the trashrack spacing-to-width ratio is not small than 4, 2 turbulent intensity of the wake flow for the trashrack with streamlined profiles is much small.

用该算法对大长宽比的钝体尾流三维超声波流速仪测量数据的分析表明：1钝体间距与宽度之比大於4时，钝体间的相互影响可以忽略不计；2流线型的钝体尾流紊动强度较小。

To observe the effect on the drug release pattern of Ciprofloxacine/Tricalcium Phosphate Delivery Capsule after ultrasonic affection.

观察超声波对环丙沙星/磷酸三钙缓释药囊作用后药物释放情况。

Department of Environmental Science and Engineering, Tsinghua University, Beijing 100084, ChinaAbstract: Desorbing bacterium from suspended particle surfaces by adding some different chemicals, such as Zwittergent3-12,EGTA and tryptone etc., and ultrasonic surging, comparing the difference of HPC value between before and after desorption, and then analyzing the size and number of suspended particles, it can be concluded that the effect of suspended particles in drinking water on HPC determination is significant.

本试验采用添加有助于解吸的化学试剂结合不同超声时间、超声温度下的超声波振荡对吸附在颗粒物上的细菌进行解吸，对比解吸前后HPC测定结果的差异，再对颗粒物数量、粒径进行分析，阐述颗粒物对HPC测定结果的影响。

Ultrasonic testing signals of different lithology rock have unconspicuous distinction, whose wavelet transforms are different.

不同岩性的岩石，其超声波检测信号无明显差别，其小波变换却不相同，这差异是由于岩石的细观组构不同造成的。

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。