1) Ultrasonic axial transmission technique
超声轴向传播技术
1.
Ultrasonic axial transmission technique for evaluation of long cortical bone
超声轴向传播技术评价长骨的研究
2) communication technology
传播技术
1.
Sociological Cognition of the Impact of Communication Technology;
对传播技术作用力的社会学认识
2.
On Media Humanization in the Changing Procedure of Communication Technology;
传播技术变迁中媒介人性化解读
3.
The evolution history of the media has indicated the interactive and dynamic relation between communication technology and society: on the one hand, the needs of the society led to the exclusion of the outdated technology and stimulation to the new technology; on the other hand,.
媒介进化史表明,传播技术与社会之间是一种动态的互动关系:一方面,社会需要导致了对过时技术的排斥和对新技术的刺激;另一方面,与过时技术有关的社会压制因素会延缓新技术的扩散。
3) technology communication
技术传播
1.
Applying the theory of modern sociology,the paper has discussed the sociological mechanism of the technology communication from the aspects of social structure,social mobility and social change.
本文运用现代社会学理论,从社会结构、社会流动、社会变迁三个方面分析讨论了技术传播的社会学机制。
5) Supersonic transport
超声速传播
6) ultrasonic technology
超声技术
1.
It is also pointed out that in order to adopt ultrasonic technology to the practical project of water treatment, we have to develop as soon as possible the basic research and application technology on the sono-chemistry reactor which is to be highly effective and will large volume on continuou.
指出要在实际水处理工程中采用超声技术,必须尽快开展高效、大批量处理或流水式连续运行的声学反应器的基础研究与应用开发。
2.
Conclusion Ultrasonic technology can improve extraction rate of oil in Ligustrum lucidum ait.
方法分别运用传统法和超声技术提取女贞子油,并采用初均速法预测女贞子油的稳定性。
3.
ConclusionExtract polysaccharides by Ultrasonic method,Ultrasonic technology is a good method for polysaccharides of Rheum wittrochii L.
方法运用超声技术用水提醇沉法提取紫草多糖,用酚-硫酸比色法测定多糖含量。
补充资料：超声
超声
UltrasofliCS
是指超出人耳听力范围的高频声(频率超过20000Hz）。超声具有与一般声音共同的物理性质，还具有一些其他重要的物理特性，如能够成束发射，直线传导，方向性好。传导过程中遇有声阻抗不同的反射界面时产生反射、折射、聚焦和散焦等现象。用于临床诊断的超声频率一般为2～7.5MHz。频率越高，对组织结构的分辨力越强，但远场声能容易被组织吸收、衰减，不易穿透较深的层次。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条