AIM To study the effect of infrasound on the hemorheology of rats.
目的研究次声对大鼠血液流变特性的影响。
Conclusion Infrasound can influence the function of immune lymphocytes in body.
结论次声能够影响机体免疫淋巴细胞的功能。
Those waves have frequencies in infrasound domain, the sound actually nobody knows, domain.
这些波的频率属次声域，是人类无法听见的声域。
Objective To define the effects of intense infrasound on vestibular function in guinea pigs.
目的观察强次声波对豚鼠前庭功能的影响。
The generating and propagating mechanism of the precursory infrasound of earthquake are primarily explained.
初步解释了强震前兆次声波的产生机理和传播机制。
Objective To study the ultrastructural changes of vestibular end organs induced by infrasound in guinea pigs.
目的观察强次声波对豚鼠前庭终器超微结构的损伤情况。
BACKGROUND: the permeability of blood retinal barrier in rats can be increased due to the exposure under infrasound.
背景：次声暴露导致大鼠血-视网膜屏障通透性增加。
Being inaudible and with a mechanism of bio-resonance, infrasound has a brilliant perspective when applied to biomedicine.
次声的作用机理是生物共振，次声应用于生物医学，前景将会十分广阔。
AIM to explore the effects of infrasound on the distributions of CGRP IR in the efferent auditory pathways in guinea pigs.
目的观察慢性次声暴露对豚鼠听觉传出通路中重要的神经递质降钙素基因相关肽(CGRP)分布的影响。
In 1972, Paris International Noise Professional Meeting gave a formal definition of infrasound, and discussed its exposure standards.
1972年，巴黎国际噪声专业会议正式确定了次声的定义，并对次声的暴露标准展开讨论。
Objective: to study effects on the expression of interleukin-6 (IL-6) in the hippocampus of the mouse exposure to chronic infrasound.
目的：研究慢性次声作用后对小鼠海马内白细胞介素- 6 (IL - 6)的影响。
Result:Compared with normal control group, apoptosis and necrosis rates of hippocampal cells in infrasound group increased significantly(P0.05).
结果：与正常对照组大鼠相比，次声组海马细胞凋亡率和坏死率显著升高（P0.05）。
Objective To observe the sound attenuation effect of several kinds of hearing protectors (earplugs and earmuffs) in an infrasound generator sound field.
目的观察几种护耳器（耳塞、耳罩）对次声发生器次声场的隔声效果。
Under the same frequency and same sound pressure level, the infrasound damage on the brain didn't show linear correlation with the acting time of infrasound.
在相同的频率和声压级水平下，次声的损伤作用与次声的暴露时间并非呈线性关系。
With the correlation technique, direction and speed of the infrasound can be calculated by computing the time delay of each detector and by using geometric knowledge.
利用互相关技术，计算信号在不同传感器上的时间延迟，再由平面几何原理，得到波的方位和波速。
Earthquake forecast based on anomalous infrasound is one of important methods because of the good corresponding relationship between the anomalous infrasound and earthquake.
由于次声波异常与大地震有很好的对应关系，所以它是重要的临震预报方法之一。
So people are becoming increasingly aware of the importance in studying the mechanisms of the occurrence, spreading, biological effects and preventive measures of the infrasound.
因此，研究次声的发生、传播、生物学作用机制及制订相应的防护措施已越来越受到人们的重视。
In this paper, the signal collection system and analytic system of transmission characteristic of infrasound are designed, which are used for testing the performance of infrasound.
本文设计了专门用于检测次声武器各项性能的次声波信号采集系统和传输特性分析系统。
The results showed that the proposed model could produce infrasound which frequency agrees well with the observed and it might be a true mechanism of infrasound abnormality formation.
提出的孕震体膨胀-收缩模型的确能在空气中产生次声波，且次声波的主要频率是孕震体膨胀-收缩周期的倒数；
The results showed that the proposed model could produce infrasound which frequency agrees well with the observed and it might be a true mechanism of infrasound abnormality formation.
提出的孕震体膨胀-收缩模型的确能在空气中产生次声波，且次声波的主要频率是孕震体膨胀-收缩周期的倒数；
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