1) ultrasonic-assisted treatment
超声波辅助处理
2) ultrasonic-assisted alkali pretreatment
超声波辅助碱预处理
3) ultrasound-assisted
超声波辅助
1.
Optimizing the ultrasound-assisted ethanol extraction process of flavonoids from Ginkgo biloba leaves by uniform design
均匀设计优化超声波辅助乙醇提取银杏叶黄酮
2.
Through ultrasound-assisted mixed solvents extraction,semi-finished solanesol with 15% purity was obtained from tobacco leaves,then through a further purification,saponification and dewaxing process,the purity of the product reached 75%.
通过采用混合溶剂与超声波辅助的方式从烟叶中提取茄尼醇,得到15%的茄尼醇粗品,经初步精制及皂化、脱腊等过程,产品的茄尼醇含量达到75%以上,为茄尼醇的提取与浓缩提供了一种新的方法。
3.
Ni-P alloy was deposited on the surface of birch veneer by using ultrasound-assisted electroless plating method.
利用超声波辅助化学镀法在桦木单板表面沉积Ni-P合金镀层。
4) ultrasonic assistant
超声波辅助
1.
The main contents in this thesis are:The powder phospholipids with high content Acetone Insoluble(AI%) was obtained using anhydrous Acetone as solvents, and ultrasonic assistant extraction technique.
研究内容主要包括以下几个方面: 利用超声波辅助萃取技术,以大豆浓缩磷脂为原料制备了高丙酮不溶物含量的粉状大豆磷脂。
5) ultrasonic assisted
超声波辅助
1.
In the paper, reserches including preparation of high cative biosiesel solid base catalyst first by microwave irradiation in short time, ultrasonic assisted preparation of biodiesel catalyzed by solid base catalyst was studed.
本论文旨在尝试采用微波辐射技术在较短时间内制备具有高活性的生物柴油固体碱催化剂,并对超声波辅助固体碱催化酯交换反应进行研究。
6) ultrasonic wave or microwave-assisted
超声波(微波)辅助
补充资料：超声
超声
UltrasofliCS
是指超出人耳听力范围的高频声(频率超过20000Hz）。超声具有与一般声音共同的物理性质，还具有一些其他重要的物理特性，如能够成束发射，直线传导，方向性好。传导过程中遇有声阻抗不同的反射界面时产生反射、折射、聚焦和散焦等现象。用于临床诊断的超声频率一般为2～7.5MHz。频率越高，对组织结构的分辨力越强，但远场声能容易被组织吸收、衰减，不易穿透较深的层次。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条