11. German chemist who pioneered in spectrum analysis and codiscovered the elements casium and rubidium. he introduced the bunsen burner in1855.
本生:德国化学家,是光谱分析领域的先驱,与人合作发现了铯和铷两种元素。1855年发明了本生灯。
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12. Then, sodium fluoride, potassium fluoride and (rubidium, cesium) fluoride was separated by concentrating, stepwise precipiting from the solution.
分离后的溶液进行浓缩,分步析出氟化钠、 氟化钾和铷铯氟化物。
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13. The rubidium atomic frequency standards have been used in so many respects as navigation, communication, time transport and several science fields.
由于铷原子频标具有优良的频率和时间准确度及稳定度,被广泛应用于导航、通信、守时授时和各种科研领域。
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14. When the satellite geometry is good, the rubidium clock is used to improve vertical accuracy, and in turn, the calibration accuracy of the barometer.
当卫星几何位置好的情况下,铷钟用于改善垂直精度,顺便还较正气压计的精度。
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15. Analyses failures of XSR type of Rubidium atomic frequency standard used in our factory, and introduces the situation of particular overhaul in detail.
对我厂的频率标准X SR型铷原子频标发生的故障及具体检修情况作了较详细的分析和介绍。
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16. Under the condition, the stripping rate of rubidium reaches 95.48%. The regenerate t-BAMBP had almost the same extraction performance as the fresh t-CAMBP.
铷的反萃率达到95.48%,回收再利用的萃取剂与新鲜萃取剂在对铷、钾的萃取性能上差异不大。
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17. Rubidium atomic clock is used for the time reference signal in the system, by which the user can get the positioning information without sending any signal.
该系统用高稳定度铷钟作为时间基准信号,实现了无源导航定位功能。
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18. In the paper it was studied that the frequency synthesizer and multiplier and the phase modulation circuit of the rubidium atomic frequency standards (RAFS).
本论文重点是研究被动型铷原子频标中的调制电路、频率合成电路和倍频电路。
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19. Cesium, rubidium or other alkali metal atoms with simple energy level structure often are used in experiments to study the interaction between light and atoms.
实验上常常选择铯、铷等能级结构相对简单的碱金属原子来研究光与原子的相互作用。
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20. Since the Rubidium clock drifts very slowly, an alternative navigation algorithm was designed for Rubidium clock constrained GPS using the adaptive low-pass filter.
由于铷钟的漂移非常缓慢,基于自适应低通滤波器,设计了一种导航算法用于铷钟约束的GPS。
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21. Objective to investigate the transformation efficiency and affecting factors in the preparation of competent E. coli cells by using rubidium chloride (RbCl) method.
22. As the optical precursor and main wave packet traveled through a second group of rubidium atoms, the scientists took measurements on the speed of the two photon components.
随着光前驱和主波包通过第二组铷原子,科学家就可以对这两个光子成分的速度进行测量。
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23. Wideband distribution amplifier is an economical solution for distributing signals from various frequency standards such as caesium, rubidium, quartz or GPS receivers.
分布式放大器为分配高质量频率标准的正弦曲线频率提供了出色的灵活性。
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24. Most famously, uranium-238 decays into lead-206 with a half life of 4.5 billion years, though radioactive rubidium and samarium are also useful for dating things billions of years old.
25. In chapter 3, the experimental setup of the rubidium atomic magnetometer is introduced which includes the laser source, magnetic sensor, signal acquisition and processing, and so on.
在第三章中,介绍了铷原子磁力仪的实验装置,包括光源、磁探头、信号采集与处理等部分。
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26. At the same time, factors affecting the sensitivity of this magnetometer have been researched by analyzing the sensitivity of different composition and temperatures of rubidium cells.
同时,研究了影响该磁力仪的灵敏度的几种因素,包括不同的铷泡组分、不同的铷泡温度等。
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27. Based on a miniaturized microwave cavity developed by ourselves and the separated filter technique, a new type of cavity-cell assembly for gas cell rubidium frequency standards was made.
在自行研制的一种小型化微波腔的基础上,新近研制出采用分离滤光技术的气泡型铷频标腔泡系统。
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28. A construction layout about flexible, convent, new type, multi parameter, high accuracy, large volume data acquisition system for the Rubidium atomic frequency standard test is put forward.
提出了一种用于铷原子频标实验的灵活、方便的新型多参数、高准确度、大容量数据采集系统的构成方案。
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29. A light beam shot through a blob of rubidium atoms can directly and reliably measure the size and orientation of a magnetic field, a team of physicists reports in the Sept. 13 Physical Review a.
30. Rubidium acid phthalate (RAP) is an ionic organic polar crys-tal. In this paper, the experimental studies of its dielectric property, DCconductivity, P-E curve and transmission are reported.