超声预处理是促进污水污泥厌氧消化的较佳技术。
The technology of ultrasound pretreatment can extremely improve anaerobic digestion of sewage sludge.
而经过超声预处理后，有机硫的脱除率进一步提高。
Once it is treated by ultrasonic wave, the removal rate of organic sulfur will further increase.
该膜采用基板超声预处理，在优化工艺条件下人工化学气相沉积等技术措施制备。
The said coating uses supersonic pretreatment of basilar plate and is prepared by the technical measure of artificial chemical gas-phase sedimentation.
在酶法制备微孔淀粉的基础上进行了原淀粉的预处理工作，包括原淀粉的预糊化和超声波预处理。
The pretreatments were the pregelatinization of the raw starch and the ultrasonic action based on that the microporous starch was produced by the enzyme act raw starch .
为提高油料作物秸秆酶解效率，对大豆秸秆进行微波预处理，然后进行超声辅助酶解。
To improve the efficiency of enzymolysis, soybean straw was pretreated by using the microwave reactor and enzyme hydrolyzed by ultrasound-assisted method.
研究了超声波作用下碱预处理对聚酯超细纤维高温高压染色后表面环状三聚物含量的影响。
The influence of alkali pretreatment under ultrasonic on surface cyclic trimer content of superfine polyester fiber using high temperature high pressure dyeing process has been studied.
针对肝脏B超声图像的特点，本文在对图像进行预处理时采用了高斯低通滤波与灰度拉伸相结合的技术。
For the feature of the liver B-ultrasound image, we adopt the Gaussian low-pass filter and contrast-stretching transformation methods.
本文对超声图像进行直方图规定化预处理，然后采用区域生长法对超声图像进行分割，取得了满意的效果。
This paper carried on histograms specification to pretreat ultrasonic images and use of region growing method to segment ultrasonic images, thus achieved satisfactory results.
采用空气氧化预处理、硝酸氧化预处理、超声波预处理三种方法提高腐殖酸的提取率。
Three pretreatments including air oxidation pretreatment, nitric acid oxidation pretreatment, ultrasonic pretreatment are used to increase the rate of humic acid extraction.
原因在于超声清洗只能去除表面杂质，激光预处理可减少和抑制膜层内较深处的缺陷。
The reason is that the ultrasonic cleaning only clears up the surface impurity of coatings, while laser conditioning can minimize or restrain the inner defects of coatings.
在B型超声机械扇形扫描成像当中，原始图像信号是以极坐标的形式输出的，对图像进行实时坐标变换和漏点插补是图像预处理所要解决的主要问题。
In the B-mode sector scan ultrasonic imaging system, the raw image is in polar coordinates, therefore, it is main tasks of image pre-processing to achieve image coordinate transform and interpolation.
然后，根据心电及角度信号提取正确原始切片图像，进行预处理，并利用三维直接匹配插值方法对旋转扫描超声心动图像进行插值，获得规则体数据。
After pre processing, the technique of direct 3d interpolation for rotational scanning images was used to convert the original rotary scanning images into regular volume data.
对超声波信号检测采用本文提出的这种软硬件结合的预处理措施，结果显示能达到满足的抑制各种噪声和干扰的效果。
This combinational way of software and hardware to pre-process the receiving ultrasonic signals demonstrates the capacity to suppress noise and interferences efficiently.
本实验采用超声波技术对罗布麻进行预处理，并与预水处理和预酸处理的脱胶效果进行了比较。
The test introduced in this article USES ultrasonic technology for the pretreatment of apocynum. The test results are compared with the degumming effect of water pretreatment and acid pretreatment.
正交试验结果表明：超声波预处理时间是影响褐菇多糖提取量的主要因素；
The results of orthogonal experiment showed that ultrasonic pretreatment time was the main factor that affected the extraction of polysaccharide in portabella.
在超声反射回波的数学模型基础上，利用小波滤波方法对超声信号进行预处理，提取强噪声背景中的弱回波信号。
This paper attempts to preprocess ultrasonic signal by wavelet filtering based on the mathematical model of the ultrasonic echo, extracts weak echoes from signal with high noise background.
通过有无微波预处理的实验表明，微波预处理能够提高罗布麻超声波脱胶效果。
The results show that the fiber that degummed with microwave and ultrasonic treatment has high quality, the fiber bundles are separated ad…
文章首先介绍了超声波干燥的机理，然后论述了超声波预处理、超声热风干燥及超声喷雾干燥的研究现状、存在的问题和应用前景。
So it is becoming increasingly appreciated. The paper at first briefly discussed the principles of ultrasound drying. Then it reviewed the developm…
文章首先介绍了超声波干燥的机理，然后论述了超声波预处理、超声热风干燥及超声喷雾干燥的研究现状、存在的问题和应用前景。
So it is becoming increasingly appreciated. The paper at first briefly discussed the principles of ultrasound drying. Then it reviewed the developm…
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