超声波的

Computers will communicate through high speed local networks, nationally over wide-area networks, and portably via infrared, ultrasonic, cellular, and other technologies.

计算机将会通过高速的本地网络、跨越国家的广域网和可便携的红外线、超声波、蜂窝电话，以及其他技术实现通信。

The best time for preculture was 3d. The explants treated with sonication for 20-30 seconds before co-cultivating with Agrobacterium achieved the highest PCR positive frequency.

侵染前超声波处理20-30s，侵染时用农杆菌液浸泡24h，共培养2-3d的处理能获得较高的出芽率和阳性芽的比率。

Presently, in our country we mainly apply the manual ultrasonic to detect the locomotive wheelsets. By this way we can predict the remanent life of the wheelset to a degree.

当前，国内提速机车轮对的探伤，主要采用手工超声波探伤的方式，这种方式只能探测轮对的部分区域，而且效率低、误判率较高。

In this manuscript, the quality changes of the dehydrated Salicornia bigelovii Torr treated by clear water immersion, vacuum infiltration and ultrasonic treatment were inverstigated, and the quality parameters were compared on the basis of salt content, conductivity of soak solution, VC and chlorophyll contents, sensory assess before or after rehydration.

通过对含盐量、浸泡液的电导率、VC、叶绿素、干制品复水前后的感官评定分析，研究了清水浸泡、真空渗透、超声波处理等3种脱盐方式对海芦笋干制品含盐量及其品质的影响。

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。

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。

A mathematical model of the relation between ethanol concentration, solid-liquid ratio, time of ultrasonic wave and the extraction ratio of polyphenol in oil-tea seed residue has been established by means of quadratic general rotary unitize design and ultrasonic wave cooperated method.

采用二次通用旋转组合设计试验方法和超声波辅助提取工艺方法，建立了乙醇浓度、料液比、超声时间与油茶籽饼多酚类物质提取率之间的数学模型，绘制了单工艺参数、双工艺参数与多酚提取率之间的函数图像，得出了多酚类物质提取的最佳工艺。

Stems and leaves were determined and compared by al(no3)3 colorimetry and hplc. the method with ultrasonic wave was applied to extract flavonoids from the leaves and stems of urtica dioical l.. with the contents of flavonoids as the index, the best extraction conditions were selected out. results the best extraction conditions were as follows:soaking the raw material with ethanol(80%, v/v)-water solution (1∶30) at 60℃.

方法分别采用al（no3）3络合分光光度法和hplc法测定异株荨麻茎叶中黄酮类化合物的含量，并对测定结果进行比较；同时以黄酮类化合物的含量为指标，优选出了超声波辅助法提取异株荨麻茎叶中黄酮类化合物的最佳条件。

A kind of combined navigation system for the XAUT·AGV100 developed by our institute was designed through the analysis of commonly used guiding styles of mobile robot, adopting coders and gyroscope to provide real-time guiding information to realize the path tracking, apperceiving the environment messages at the task points and part feature points by ultrasonic sensor to position.

2通过对移动机器人常用导航方式的分析，为自主开发的XAUT·AGV100设计了一种组合导航系统：采用编码器和陀螺仪为AGV提供实时导航信息以实现轨迹跟踪，采用编码器和超声波传感器在作业站点及部分特征点处对环境信息的感知实现作业定位。

The relative molecular mass of chitosan fractionated by ultrasonic wave was measured by the light scattering method.

采用粘度法分析了不同溶剂对壳聚糖粘度的影响，用光散射法测定了超声波分级的壳聚糖的相对分子质量。

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。