2) ultrasonic frequency
超声频率
1.
Effect of ultrasonic frequency on structure of carbon nanotubes and catalytic activity of PtRu/CNTs catalysts for methonal electro-oxidation;
超声频率对碳纳米管结构及其负载PtRu催化剂催化活性的影响
2.
The effect of ultrasonic frequency on the morphology and phase composition of coating was investigated by SEM,EDAX,FTIR and XRD.
采用声电沉积工艺在炭/炭复合材料表面制备了磷灰石生物活性涂层,借助SEM,EDAX,XRD,FTIR等分析测试手段,考察了超声频率对涂层组成、结构和形貌的影响。
3.
The effect of ultrasonic frequency on the structure, surface texture, and surface groups of activated carbon (AC) was investigated by field-emission scanning electron microscopy, N_2 adsorption, and temperature-programmed desorption.
以不同超声频率处理后的活性炭为载体,以钡和钾为助剂制备了一系列钌基氨合成催化剂,并考察了其性能。
3) bifrequency ultrasound
双频超声
1.
Extracting flavone from lygodium japonicum(Thunb.) Sw. assisted by bifrequency ultrasound;
双频超声强化从海金沙中提取黄酮的实验研究
2.
assisted by bifrequency ultrasound.
本文进行了双频超声强化从海金沙中提取黄酮的研究,结果显示,在27℃,海金沙质量与乙醇体积比为O。
4) dual-frequency ultrasound
双频超声
1.
Effects on extracting saponin from panax notoginseng assisted by dual-frequency ultrasound;
双频超声强化对三七总皂苷提取的影响
2.
Study on the mechanism and extraction of active ingredients from Pueraria Hoot by dual-frequency ultrasound;
双频超声强化提取葛根有效部位的研究
3.
Design and analysis of dual-frequency ultrasound dynamic countercurrent extraction apparatus
双频超声动态逆流高效提取装置的设计与分析
5) high frequency ultrasound
高频超声
1.
Evaluation on wrapping treatment of grafted fusiform aneurysm with high frequency ultrasound(HFUS)in dog;
犬嫁接性梭形动脉瘤包裹治疗的高频超声评价
2.
Study of coded excitation in high frequency ultrasound imaging;
高频超声成像中的编码激励研究
3.
Application of high frequency ultrasound in diagnosis and guiding suction of the injection augmentation mammoplasty graft;
高频超声检测、引导抽吸注射式隆乳填充物
6) high frequency ultrasonography
高频超声
1.
The evalution of high frequency ultrasonography in diagnosis of acute mesenteric lymphadenintis;
高频超声在小儿急性肠系膜淋巴结炎的中诊断价值
2.
Application of high frequency ultrasonography in breast-conserving surgery for breast cancer;
高频超声在乳腺癌行保乳术中的应用
3.
Exploration of the diagnostic value of high frequency ultrasonography in breast cancer and breast fibroadenoma
高频超声诊断乳腺癌与乳腺纤维腺瘤的临床价值
补充资料：装箱单、重量单、尺码单
装箱单、重量单、尺码单
[装箱单、皿t单、尺码单1装箱单(Pack-ing Ust)是说明货物包装情况的单据，包括包装材料、包装方式，以及详细的包装内容，如花色、规格搭配等。进口地海关主要依据装箱单对某一特定内容的包装内容进行检查，也是进口商核对货物的依据。装箱单的内容有:单据名称、卖方名称、唆头、件数、规格、数量、毛净重、签字等。 重量单(Weight ust)是由卖方或第三者提供的，表明货物重量的单据。一般包括皮、毛、净重。它必须和其他单据上所表示的货物重量一致。 尺码单就不详细介绍了。
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