1) ultra radio frequency
超射频[率]
2) ultra-radio frequency
超射频(率)
3) RF frequency
射频频率
1.
SiNx thin films were deposited by Plasma-Enhanced Chemical Vapor Deposition (PECVD) methodunder different RF frequency, and the influence of RF frequency on both the deposition process andproperties of the SiNx film were studied.
用ＰＥＣＶＤ方法制备氮化硅薄膜，研究了射频频率对氮化硅薄膜的沉积和性质的影响。
4) hyper firing-rate
超高射频
1.
In this paper,the design technology in hardware and software of the control system of hyper firing-rate weapon is introduced.
介绍了超高射频武器击发控制系统的硬件、软件设计思路,讨论了对系统防电磁干扰和安全复位的设计问题,通过实验证明该系统能够满足使用要求。
2.
This paper describe the constitution and working process of the launch system of hyper firing-rate weapon.
描述了超高射频武器发射系统的组成及工作过程,在此基础上建立了系统的经典内弹道仿真模型,并利用该模型对某25mm 火炮系统进行了仿真计算。
3.
One new-style powder-installed structure of small fore-and-aft dimension,namely series-wound beforehand loading system,was brought forward according as projecting basic principle of hyper firing-rate weapon.
根据超高射频武器发射的基本原理,提出了一种可以解决火药燃气密封和弹丸药柱强度问题具有纵向尺寸小的新型装药结构——串联预装填系统,以此为基础根据经典内弹道学建立了内弹道数学模型,运用M atlab7。
5) RF superconductivity
射频超导
1.
Recent progresses on RF superconductivity;
射频超导腔的研究新进展
2.
The development of RF superconductivity is limited by the material,surface treatment and installation.
射频超导谐振腔可以工作在连续波或长宏脉冲模式。
6) 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。
补充资料：超高频率
超高频率
在无线电频段表中指3～30MHz范围内的频率。
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