1、

The Improvement of Physics Package and the Long-term Stability Measurement for Rb Frequency Standard

铷频标物理部分的改进与长期稳定度的测量

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2、

Atomic hydrogen maser frequency stability measurement system

氢脉泽频率稳定度测量系统

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3、

The measurement of magnetic field distribution of the wide range magnetic spectrometer is carried out by a magnetometer with a temperature stabilized Hall element which has a long time stability of 0.03%.

本文报道了使用探头局部恒温的霍尔测磁仪,测量广量程磁谱仪的磁场分布,其输出的霍尔电压长期稳定度好于0.03%。

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5、

Measurement results of the dependence of the pulse width of the mode-locked pulses, the stability range of laser for stationary single-pulse operation and the threshold pumping power on the concentration of the absorber dye are given.

提供锁模脉冲宽度、激光器以稳定单脉冲工作的稳定性范围和阈值泵浦功率等,对吸收体染料浓度依赖关系的测试结果。

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6、

The synchronized phasor measurement units ( PMU) is significant to the wide-area protection and stability control in modern power system.

在现代电力系统广域保护和稳定控制系统中,同步相量测量单元(PMU)起着重要作用。

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7、

Global Asymptotic Stability of a Special Logistic Equation with Delays; Measurement of Cold Tolerance Based on REC and the Logistic Equation in four different alfalfas

一种具有时滞的Logistic方程的平衡位置与全局稳定性用电导法配合Logistic方程鉴定4个紫花苜蓿品种的抗寒性

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8、

The working principle and stability of active noise reduction earmuff of feedback type are discussed and some design considerations and measurement results are given in the paper.

文中讨论了反馈型有源消声耳罩的工作原理和稳定性,给出了一些设计考虑和测量结果。

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9、

However, due to the laser beam drift, it is difficult to improve the accuracy and stability when using laser autocollimator for high-precision small-angle measurement.

因此,抑制激光光束漂移,改善其方向稳定性是激光自准直小角度测量中亟待解决的问题。

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10、

With the development of the manufacturing technology in ultra-precision and micro-mechanical, higher requirements on the measurement stability of opto-electronic autocollimator become more and more stringent.

超精密加工、精密和超精密装备制造和光学制造等技术的迅速发展,对光电自准直仪的测量稳定性提出了更高的要求。

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11、

The stability evaluation and measurement on the spot for large area single junction a-si: h solar cell array

大面积单结a-Si:H太阳电池方阵现场稳定性的评价与测试方法

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12、

Experiment measurement and comparison of stability of asphalt content gauge with neutrons

中子法沥青含量测试箱稳定性的实验测量及对比

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13、

Treatise on the problem of short term frequency stability in Doppler-velocity measurement

多普勒测速的频率短期稳定度问题

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14、

Measurement of short term frequency stability and phase noise of frequency source

频率源的短期频率稳定度及相位噪声测量

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15、

The problem of short term frequency stability is one of the key-link techniques in Doppler-velocity measurement.

频率短期稳定度问题是多普勒测速关键技术之一。

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16、

The experiment results showed that the stability of the experiment process increased, the reading error was avoided and the measurement accuracy and experiment efficiency were improved.

试验结果表明本系统增加了试验过程的稳定性,避免了人为的读数误差、计算误差以及相关数据不能同时记录所引起的试验结果偏差,提高了测试精度和试验效率。

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17、

On the sensor and the magnet test voltage measurement batch stability.

进行了传感器与磁铁的批量稳定性电压测量试验。

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18、

Method: Coefficient of Unguent of macro-reticular absorbing resin, chitosans clarification method, water-extraction and alcohol-precipitation methods were compared, and qualitative assay of Ginsenoside Rg1, Re, and snide measurement of Ginsenoside Rg1, Ferulic acid, and stability experiment were made.

方法:比较大孔吸附树脂法、乙醇沉淀法和壳聚糖澄清法所得到的浸膏得率及浸膏中人参皂苷Rg1,Re的定性分析以及Rg1、阿魏酸含量测定考察。

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19、

It take digital measurement technology, has the characteristics of high precision, high stability, immune to environmental disturbance of all sorts of factors.

由于光纤光栅传感器采用数字式测量技术,具有精确度高、稳定性好、不易受外界各种因数的干扰等特点。

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20、

The analog Phase Locked Loop has high sensitivity and low measurement error, so it is widely used in the receiver of such equipment as interferometer, continuous-wave radar, telemetering device, etc. However, it has the problem of track stability.

模拟锁相环灵敏度高、测量误差小,因而大量地应用于干涉仪、连续波雷达、遥测等设备接收机中,但其存在环路跟踪稳定性的问题。

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