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- The atomic hydrogen maser is the most stable frequency standard generally available today for all but the shortest measuring time interval. 氢脉泽是一种中、长期稳定度最高的原子频率标准。
- Design and Performance Evaluation of the Atomic Hydrogen Maser for Chinese Mobile VLBI Station 流动VLBI站氢原子钟的研制与性能测试
- atomic hydrogen maser 氢原子脉泽,氢原子微波激射器
- Additional test results also indicate that the new hydrogen maser atomic clock onboard GIOVE-B is working correctly. 此外，测试结果还表明GIOVE-B携带的氢微波激射器原子钟运转良好。
- Atomic hydrogen was formed as a breakup product of the ions. 作为这两种离子分裂的产物，形成了原子状态的氢。
- Hydrogen-induced delayed failure is due to atomic hydrogen instead of flaking. 车轮钢的滞后断裂由原子氢引起和白点无关。
- Hydrogen absorbing alloys have been widely used today to store the hydrogen, they also can be applied to the Hydrogen Maser. 合金储氢方式现在已被广泛采用，这种储氢方式也可应用于氢原子钟。
- The quantum system of the passive hydrogen maser is introduced briefly and a design of the spectrum observing device is expounded. 简单介绍了被动型氢钟的量子系统,阐述了波谱信号观测装置的设计。
- Miniature passive hydrogen maser is developed at Shanghai Observatory which employs compact cavity design and square wave frequency modulation. 介绍了上海天文台被动型小氢钟的设计和研制,给出了初步的测试结果。
- The hydrogen maser is the generally available frequency standard with the smallest frequency instability for all but the shortest measuring time interval. 为了提供高精密的时间频率,人类已经研制出氢原子钟,除长期稳定度之外,它的各项性能都是十分优秀的。
- The effects of process of electrolytically deposited nickel on the active side of oxidizing atomic hydrogen on base current were investigated. 研究了镀镍的工艺对原子氢氧化活性表面的背景电流影响。
- The hydrogen maser isthe most stable frequency standard generally available today for all but the shortestmeasuring time.It's an important subsystem in VLBI. 氢脉泽是至今为止除极短时间测量间隔之外最稳定的频率标准,它是甚长基线干涉测量仪(VLBI)中的一个关键设备。
- The fantastic shapes are sculpted by winds and radiation from a hot, massive stars and the dominant red emission is due to atomic hydrogen gas. 这奇异的形状是由炽热大质量恒星吹出的恒星风和宇宙射线雕塑而成，其内占据主要成分的红光是由氢原子放射出的。
- The hydrogen maser is the most stable frequency standard generally available today for all but the shortest measuring time.It's an important subsystem in VLBI. 氢脉泽是至今为止除极短时间测量间隔之外最稳定的频率标准，它是甚长基线干涉测量仪(VLBI)中的一个关键设备。
- The absolute emission intensities of atomic hydrogen Balmer lines and Ar-750.4 nm as a function of gas flow rates of H2 have been discussed respectively. 详细研究了氢原子谱线(Balmer线系)和氩原子谱线(750.;4 nm)的相对强度与氢气流量、微波输入功率以及放电气压之间的关系；
- Image data acquired with a hydrogen alpha filter adds other remarkable features to this wide angle cosmic vista-- pervasive tendrils of energized atomic hydrogen gas and portions of the surrounding Barnard's Loop. 这幅透过氢-阿尔发滤镜所拍摄的影像，让无所不在的原子氢云气和部份的巴纳德环现形，成为这幅广角影像的其他精彩特色。
- The present work reports experimental determinations of atomic hydrogen in microwave discharge hydrogen plasmas formed from TM01 MW mode in an ASTeX-type reactor via optical emission spectroscopy by using Ar as an actinometer. 因此，对氢原子浓度的原位诊断是研究和改进上述等离子体工艺过程的重点也是难点之一。 本文在分析了多种等离子体诊断方法后，采用了装置简单、对等离子体没有扰动的发射光谱技术，通过Actinometry方法(以Ar做内标气体)，对ASTeX型微波放电氢等离子体中的氢原子浓度进行了原位测定。
- But some scientists have disputed Clementine's radar data, and the anomalous neutron emissions observed by Lunar Prospector could have been caused by atomic hydrogen in the lunar soil instead of ice. 但是有些科学家却对克莱门蒂号的雷达观测资料存疑，此外月球探勘者号所观测到的中子异常放射，也有可能是来自于月球土壤中的氢原子而非冰层。
- Driving forces for diamond and graphite growth in CH4/H2 mixtures are calculated in consideration of activated effect of super-equilibrium atom hydrogen on graphite under 4.8 kPa pressure. 以CH4／H2体系为例，研究了气相生长金刚石和石墨的驱动力随温度和CH4的摩尔分数的变化情况若不考虑超平衡氢原子的作用，则石墨的生长驱动力总是大于金刚石的生长驱动力；
- Hydrogen maser frequency standard 氢原子频标
