也见声强度。
本文中定义的噪声条件包括噪声强度及噪声分布密度两个因素。
The noise conditions defined by the paper include two factors:noise strength and noise distribution density.
因此,根据声接收器输出信号的声强度可判断生丝张力的大小。
Therefore, the raw silk tension can be determined by the sound intensity signal sent out by the sound receiver.
冠心病病人的右冠状动脉壁最低回声强度与其周围组织的差值最大。
The difference of minimum echo intensity of the right coronary wall in the coronary heart disease group was the biggest.
通过实验研究了巴克豪森噪声强度与铁磁材料表面硬度之间的关系。
The relationship between the surface hardness of ferromagnetic material and the intensity of Barkhausen noise was studied.
针对不同的声源采取有效的措施,可以降低噪声强度及噪声的传播。
Adequate measures taken pertinently to different sources of the noises will effectively decrease the noise level and retard the propagation of the noise waves.
目的对人体颈动脉内不同回声强度的粥样硬化斑块进行声学密度定量。
Objective To quantify the acoustic density of atherosclerosis plaques with different echogenicity in carotid artery.
与简单形状目标相比,复杂目标的回声强度随频率和距离的变化更为复杂。
By comparison with simple shape targets, the echo strength of the complex targets versus frequency and range is more complex.
简述目前钢球磨煤机普遍采用的隔声方式及其运行过程中释放噪声强度的现状。
This paper briefly describes the present situation of sound insulation ways universally adopted in steel ball coal mill and the noise intensity released during operation.
我们发现在感兴趣的频域内有较大的噪声,并且噪声强度依赖于偏置电流的大小。
We found that in the frequency range of interests, there is significant noise and it depends strongly on the level of the drive current as expected.
目的超声图像上的颈动脉粥样硬化斑块回声强度是反映斑块组成与稳定性的重要内容。
Object The echogenicity of atherosclerotic carotid plaque in ultrasound image is an important reflection to its component and stability.
对海军某舰的20个部位进行噪声强度测定,并对53名舰员(106耳)进行了听力调查。
The noise levels of 20 cabins and the hearing ability of 53 crewmen (106 ears)were measured.
最大限度地降低噪声强度,对于提高SDI- MWD无线随钻测量仪信号质量至关重要。
Reducing noise as much as possible is significant to improve signal quality of SDI-MWD.
诸因素中,噪声强度是主要因素,血红蛋白及吸烟与噪声性聋的患病率、听力损害程度呈正相关。
The noise intensity is the main factor of noise deafness. Hemoglobin concentration and smoking are positively correlated with the morbidity and the degree of hearing loss.
结论作业人员长期在平均噪声强度低于卫生标准下工作,仍可有一定程度的心电图改变和听力损失。
Conclusion ECG and hearing in workers could be affected with long-term exposure to medium low intensity noise, even if the exposure average level was lower than the limited level of hygienic standard.
由于内噪声强度随着系统体积的变化而改变,因此,这一现象也证明了系统尺度共振,即最佳尺度效应的存在。
Since the magnitude of the internal noise is changed via the variation of the system size, these phenomena also demonstrate a kind of system size resonance.
积分式中的被积函数包含一噪声强度垂直指向性因子,海洋介质分层条件通过该指向性因子影响噪声场的空间相干。
The integrand includes a multiplying factor of the vertical directivity of the noise intensity, and the layered ocean environment affects the spatial coherences via this directivity factor.
该方法适于同条件下清洗设备性能的评价,以及一定条件下工程应用中超声强度的选定和控制,具有很好的应用价值。
The method can evaluate the performance of ultrasonic cleaning machines under the same conditions, in addition choose and control the ultrasonic intensity in application to engineering.
与其他聚焦方式相比,多元组合聚焦超声换能器具有较大的聚焦深度、较理想的焦域以及较高的声强度等优点,并且聚焦区域和声强度易于控制。
Comparing with other kinds of focusing methods, it has a lot of merits: a deeper focal length, a greater ultrasound intensity and an ideal focal region and all of them are easily controlled.
本发明涉及一种利用低强度超声强化混凝过程去除水体中藻类的方法,属 于水处理应用领域。
The invention relates to a method of removing algae in water body by using low-intensity supersonic to intensify the coagulating course, belonging to water treating application field.
声强就是声场中的声波强度,它等于通过与能流方向垂直的单位面积上的声能量。
Sound intensity is the sound wave intensity in sound field, which equals sound energy through the unit area perpendicular to the energy flow direction.
声强就是声场中的声波强度,它等于通过与能流方向垂直的单位面积上的声能量。
Sound intensity is the sound wave intensity in sound field, which equals sound energy through the unit area perpendicular to the energy flow direction.
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