1.
Numerical analysis and design of novel microwave cavity for passive hydrogen maser
用于被动型氢原子钟的矩形磁控管微波腔的设计
2.
The H maser's day stability reaches 2E-15/day at Shanghai Astronomical Observatory
上海天文台主动型氢原子钟的天稳好于2E-15
3.
A SINGLE MODULATION FREQUENCY METHOD USED IN THE PASSIVE H MASER
利用单频调制技术实现被动型氢钟的锁定
4.
The Design of Divide Frequency Implement of Hydrogen Maser Based on the FPGA;
基于FPGA的氢原子钟分频钟的设计
5.
RESEARCH ON METHODS FOR PREDICTING CLOCK ERROR BASED ON DOMECTIC HYDROGEN ATOMIC CLOCK
基于国产氢原子钟的钟差预报方法研究
6.
The research of the monitor system for hydrogen atomic clock
基于氢原子钟智能化监控部分的改进
7.
hydrogen maser frequency standard
氢激射型原子频率标准
8.
Electrochemical & Photochemical Hydrogen Production Catalyzed by Bioinspired [2Fe2S] Model Complexes;
电化学与光化学驱动[2Fe2S]氢化酶模型配合物催化质子还原制氢
9.
Design of Atomic Hydrogen Maser Remote Monitor System Based on Virtual Instruments;
基于虚拟仪器的氢原子钟远程监测系统
10.
THE EVALUATION OF THE SHORT-TERM STABILITY OF A COMPACT PASSIVE HYDROGEN FREQUENCY STANDARD WITH SPECTRUM ANALYSES
用频谱分析法评估被动式氢原子频标的短期稳定度(英文)
11.
a methyl with hydroxide replacing the hydrogen atoms.
氢原子被羟化物替换的甲基。
12.
a methyl with the hydrogen atom replaced by an amino radical.
氢原子被氨基替换的甲基。
13.
The heart of this atomic clock is a cesium atom that vibrates 9.2 billion times a second when heated to the temperature of boiling water.
这一原子钟的心脏是一个铯原子，在被加热到水的沸腾温度时，它的振动频率为每秒92亿次。
14.
When the electrons fly away from the hydrogen nuclei,, they are attracted toward the oxygen atoms.
当氢原子的电子飞离其核时，这些电子就被吸向氧原子。
15.
Unreal Time Control Approach and Application in Passive Atomic Frequency Standard;
非实时控制及其在被动型原子频标中的应用
16.
a compound derived from ammonia by replacing hydrogen atoms by univalent hydrocarbon radicals.
氨中的氢原子被单价烃基替代后形成的化合物。
17.
First-pricinples design on atomic scale for new lightweight hydrogen storage materials
新型轻质储氢材料的第一性原理原子尺度设计
18.
An animal whose appearance is copied by a mimic.
原型外表被仿造的动物