1) He-jet tape transport system
氦喷嘴带传输系统
1.
The two nuclides were identified and studied by a He-jet tape transport system in combination with "X-γ" and "γ-γ" coincidence measure- ments.
借助氦喷嘴带传输系统，用 Ｘ－γ和 γ－γ符合方法，分离鉴别了这两种核素，并进一步测定了它们的衰变性质。
2) He-jet recoil fast tape transport system
氦喷嘴反冲快速带传输系统
1.
The reaction preducts were camed to a low-backgroundregion using a He-jet recoil fast tape transport system.
由氦喷嘴反冲快速带传输系统将反应产物送到低本底区。
3) He-jet and tape-transport
He喷嘴带传输
4) He-jet
氦喷嘴
1.
The off-line system of He-jet laser ion source at Tsinghua University was tested and described briefly.
简要介绍了建立在清华大学的氦喷嘴激光离子源离线系统。
5) baseband transmission system
基带传输系统
1.
Design of idealization of practical digital baseband transmission system and the optimized of signals;
实际数字基带传输系统理想化和信号最佳化设计
2.
A design of CDMA baseband transmission system is introduced,which is based on FPGA chip developed by EPF10K10LC84-4 of American ALTERA company.
在介绍码分多址(CDMA)通信系统原理的基础上,提出了一种基于FPGA的CDMA基带传输系统的设计。
3.
In this paper we introduced a baseband transmission system used adaptive equalizer to eliminate multi-path fading with the hardware architecture of FPGA + DSP software radio,the conception method of adaptive equalizer by using LMS algorithm on the basis of MATLAB simulation.
通过以MATLAB仿真为基础,使用软件无线电平台实现整个基带传输系统,此均衡算法应用到相应的硬件平台上取得了一定的设计效果。
6) belt transmitting system
皮带传输系统
1.
This paper introduces the improvement on the traditional belt transmitting system by using SR motor.
论述了利用SR电动机对传统皮带传输系统改造的成功实例 。
补充资料：氦3-氦4稀释制冷
分子式：
CAS号：
性质：3He-4He混合液在0.867K时出现界限分明的上下两相，上相3He含量高称浓相，下相4He含量高称稀相。稀相中4He的熵比3He的熵小得多，浓相中4He的熵又比稀相中3He的熵小得多。3He从浓相进入稀相或从稀相中抽走都会发生降温。用泵把3He-4He混合室与一个蒸发器和一个冷凝器连接起来就组成稀释制冷器。用抽气泵不断地把蒸发器中的3He抽走，蒸发过程中3He带走大量热量。从蒸发器中抽走的3He经冷凝器液化后再回到混合室。用此法可获得0.0035～0.0055K的超低温。
CAS号：
性质：3He-4He混合液在0.867K时出现界限分明的上下两相，上相3He含量高称浓相，下相4He含量高称稀相。稀相中4He的熵比3He的熵小得多，浓相中4He的熵又比稀相中3He的熵小得多。3He从浓相进入稀相或从稀相中抽走都会发生降温。用泵把3He-4He混合室与一个蒸发器和一个冷凝器连接起来就组成稀释制冷器。用抽气泵不断地把蒸发器中的3He抽走，蒸发过程中3He带走大量热量。从蒸发器中抽走的3He经冷凝器液化后再回到混合室。用此法可获得0.0035～0.0055K的超低温。
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