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.
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.
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 .
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…
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.
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.
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…
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…
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