帕金斯不健全的工作衰减材料,例如,复合材料的评价能力,以减少共振的部件,如前端覆盖。
Perkins does work on sound attenuation materials, for example, laminate materials are evaluated for their ability to reduce resonance of components such as front end covers.
所以,如果你能够跟得上衰减这门课,理解了核素图,还有事实工作。
So you can in fact follow the course of the decay by understanding how the Chart of Nuclides and facts works.
同时,从事最糟糕的工作者的精神健康在时间上衰减最多——工作越坏,就越影响工作者的健康。
Meanwhile, the mental health of people in the least-satisfying jobs declined the most over time - and the worse the job, the more it affected workers' well-being.
这些伟大的表演者弄明白了,当他们工作得太久,他们的注意力会分散,他们的精力会衰减,他们的工作会变糟。
These great performers figured out that when they push for too long, their attention wanders, their energy flags, and their work suffers.
在迁移和人口出生率递减的共同作用下,该地区的适龄工作者从1990年10万衰减到2008年的87400人。
The prefecture’s working-age population has shrunk from over 1m in 1990 to 874, 000 in 2008, a result both of the exodus and a declining birth rate.
本文分析了集成化可变光学衰减器的工作原理、工艺制作和测试技术。
This paper introduces the principal theory, process and test technology of variable optical attenuator.
本文就是在前人工作的基础上对浅海海洋混响平均强度衰减规律进行了一些有益的改进。
In this thesis, some useful rules fOr average reverberation intensity decaying are given basing onthe work Which have been done by other researchers.
根据分析所得到的各种衰减量,可以推导出工作于此波段的近程雷达受作用距离的影响及抗干扰性能。
Based on the all attenuation, we can find the short range radar worked in this band is affected by action distance and interfere.
我们转换和衰减年青人头脑活的潜能,把他们带进工作岗位和经济体系提供者们。
We take the living potential that are young minds and turn them, reduce them, into job-fillers and economy providers.
水平方向上大气紫外透射比的指数衰减规律决定了系统工作的局域性和保密性。
Exponential attenuation of UV atmospheric transmittance for the horizontal paths decides that the UV communication system works locally and safely.
经过恶劣的环境试验证明,低水峰光纤具有稳定的抗氢气引起的衰减性能,可确保现场安装的低水峰光纤光缆长期可靠地工作。
The fiber undergone robust environmental testing that enables its stability against hydrogen-induced attenuation, to ensure long-term reliability of field installed optical fiber cables.
对于这些应用来说,采用一种可变的衰减电路足以降低交流干扰,以便进行有意义的测量工作。
For these applications, a variable damping control may reduce the AC pickup enough to make meaningful measurements.
超宽带电磁场在真空中和空气中的慢衰减规律前人已作过许多工作,也有比较系统的理论。
There are many systemic theories on decaying law of UWB electromagnetic field in vacuum and air.
本文从工作原理分析研究着手,设计制造了一种连续可变的光纤衰减器。
Analysed and investigated on its operation principle, a continually variable optical fibre attenuator is designed and fabricated.
作为一次练习,估算了测控通信系统的工作频率、电波穿过“黑障”区的衰减常数;
As an example, the operation frequency of TT&C and data transmission(TTC&DT) and the attenuation constant of electromagnetic wave through the blackout zone are estimated.
本文详细介绍一种光可变衰减器的工作原理、设计方法和试验结果。
This paper presents the operating principle, design methods and experimental results of an optical variable attenuator.
这种测量方法的工作原理是基于衰减全反射中的瞬逝波的传输特性以及物质的反常色散特性。
The theory was based in the transmission characteristics of evanescent wave in attenuated total reflection and the abnormal dispersion characteristics of material.
为避免产生光子并合现象的产生,可以利用在接收光路上加装中性衰减片、提高光电倍增管开始工作的高度和降低光电倍增管增益等措施来分段测量,提高臭氧测量的精度。
To avoid the phenomena of photon overlap, many measures such as neutral optical attenuator, gate witch and reducing the gain of PMT, are taken to enhance accuracy of ozone measurements.
而时域同步平均可以有效衰减与回转频率无关的干扰,提取与工作状态直接相关的周期信号。
Time domain synchronous averaging can reduce the signal not coherent to rotation frequency effectively, and extract the repetitive signals directly related to machine operation condition.
本文详细介绍GSK02型光可变衰减器的工作原理、设计方法和试验结果。
This paper presents the operating principle, design methods and experimental results of GSK02 optical variable attenuator.
分析了集成峰值鉴频器的工作原理,得出鉴频中周失谐的原因是内置的配谐瓷管电容容量的衰减。
Through the analyses on the principle of integrated peak discriminator, it is found that the reason of disharmony of discriminator is due to the decrease of the capacity of oscillator.
该光纤耦合模块连续工作500小时没有发现明显的功率衰减,并且输出功率经温度循环和振动冲击后具有较好的稳定性。
The output power is very stable after the temperature cycling and vibration test. No apparent power decrease has been observed as the device working continuously for 500 h.
麦克风增益按钮,按下此钮会激活固定在麦克风内的衰减器,它是当本机工作在高噪音环境下使用。
Mic GAIN button. Pressing this button activates the built-in microphone attenuator. This feature is designed to be used when operating the Alan 9001 in high ambient noise environments.
简要论述了半波片组合衰减器的 工作原理。
The principles of attenuator assembly of half -wave plate and polarizers are discussed briefly.
电势分布沿信号电荷密度流方向衰减且电荷载流子倍增寄存器工作频率越高,电势衰减越快。
It is attenuated along the direction of charge density. The higher the CCM frequency is, the sooner the potential attenuation is.
为双线偏振雷达定量测量降雨工作及讨论雨区对雷达波衰减打下了基础。
This work has laid the foundation of quantitative measurement of rain rate and the discussion of extinction properties of radar wave in rain clouds.
描述:HA9可编程衰减器是一种高分辨率,扩展范围,功率计和测试一般测试和实验室工作的可编程衰减器的理想选择。
The JDS Uniphase HA9 PThe JDS Uniphase HA9 Programmable Attenuator is a highresolution, extended-range, programmable attenuator ideal for testing power meters and for general test and laboratory work.
描述:HA9可编程衰减器是一种高分辨率,扩展范围,功率计和测试一般测试和实验室工作的可编程衰减器的理想选择。
The JDS Uniphase HA9 PThe JDS Uniphase HA9 Programmable Attenuator is a highresolution, extended-range, programmable attenuator ideal for testing power meters and for general test and laboratory work.
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