对超声强化椰子油水解进行了研究。
The hydrolysis of coconut oil assisted by ultrasound was studied.
目的研究声强和频率对发声稳定性的影响。
Objective To investigate the effects of sound intensity and frequency on phonatory stability.
超声强化与臭氧氧化联合有一定的协同作用。
The ultrasound degradation and ozonization degradation can enhance each other.
改建后的声强分布。
声强测量允许精确的鉴别、孤立、列举单个噪声源。
Sound intensity measurement allows accurate identification, isolation and ranking of individual sound sources.
目的分析远洋测量船噪声强度对作业人员听力的影响。
Objective to explore the hearing changes in seamen exposed to oceangoing vessel noise.
亚洲、欧洲和美国的主要股票市场指数都应声强劲上扬。
In response, key stock market indexes in Asia, Europe and the United States made strong gains.
本文介绍了选择性声强技术在轿车车内噪声识别中的应用。
In this paper, selective intensity technology used in in - car noise recognition of cars.
本文进一步分析了液体超声蒸发对超声声强和频率的要求。
Moreover, the requirements of the ultrasonic vaporation of liquid to ultrasonic intensity and frequency were introduced.
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.
简要论述了湿法冶金过程中超声强化的基本原理及其应用前景。
The basic principle of ultrasonic intensification and its application prospect in hydrometallurgical processes were concisely reviewed.
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.
讨论了声场参数,即频率、声强、超声辐射时间对该过程的影响。
Parameters such as frequency, intensity and pretreatment time of ultrasound are varied.
研究声强等值线的分布情况,是声环境预测工作中的一个关键环节。
It is a key step in the sound environment forecasting work to study the status of sound isoline distribution.
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.
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.
本文对声强测量的有效性作了较全面分析,为精确的声测量奠定了基础。
The effectiveness of sound intensity has been analysed and the basis for precision acoustic measurement has been laid in this paper.
针对毫米波图像噪声强、分辨率低的特点,提出了一种新的边缘检测方法。
This paper proposes an edge detection scheme for millimeter wave images, which has low resolution and large noise.
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.
该文介绍了声强法的原理和通风机噪声的声强测量方法,有一定实际应用价值。
This paper introduces the principles of sound intensity method and the application of the method to measure the noise of the fan.
有功声强的无旋分量与表面声强有关,因此测量表面声强可避免有旋性的影响。
Because the irrotational component of the active intensity depends on the surface sound intensity, measuring the surface sound intensity can avoid the effect of the rotation.
超声变幅杆是超声振动系统中一个重要的组成部分,经常在高声强超声中应用。
Solid horn is an important component in ultrasonic vibration system, often used in high power ultrasound applications.
得到噪声关联时间对电流定态几率分布函数曲线的影响与噪声强度的影响相反。
Effect of the noise correlation time on the stationary probability distribution is opposite to the noise strength.
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.
利用矢量水听器进行方位估计的方法主要有声强检测、旋转波束和矢量方程组等。
There are several ways of estimating direction of arrival in use of the vector hydrophone: acoustic intensity detection, beam revolving and vector equations.
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.
我们研究了基于递归分析的邻域半径参数的估计和基于噪声强度的邻域半径参数估计。
Two methods of how to choose neighborhood size parameters were discussed. The methods are based on recurrence plot and noise level estimation respectively.
试验结果表明,巴克·豪森噪声强度值mp与铁磁材料的硬度值之间存在单调的关系曲线。
Experimental results indicated that there is a monotonic relationship between the hardness of ferro magnetic materials and Barkhausen Noise strength, MP.
运用声强测试技术的双传声器法原理,对一台车用汽油发动机在半消声室内进行了声强测量。
Based on "two-microphone" method, a sound intensity measurement was carried out towards a vehicle four-stroke gasoline engine in a semi-anechoic room.
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