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driving pressure
相关语句
  驱动声压
    By numerical calculation,the steady ambient radius together with its dependency on the driving pressure is obtained.
    通过数值计算,获得稳定平衡半径,以及它与驱动声压的相关性。
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  “driving pressure”译为未确定词的双语例句
    And some experimental results about the attenuation of SBSL emission,the frequency and driving pressure dependences of SBSL intensity are obtained.
    实验给出单泡发光强度的衰减特性、SBSL光强与频率的关系、SBSL与激励电压的关系等结果
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  driving pressure
The model indicates that the regional principal stress difference was less than 0.05 times the driving pressure in the West Peak intrusion.
      
Then the equation of motion are established for an arbitrary time-dependent driving pressure.
      
In side-nozzle injection, penetration is found to increase with jet force number,N, given by the product of the gas driving pressure and the nozzle diameter.
      
Among the effects evaluated were those due to lance design, nozzle dimensions, gas driving pressure, and liquid density.
      
The thermodynamic driving pressure is calculated assuming paraequilibrium conditions, and the solute drag theory of Purdy and Brechet has been modified to remove the artifact of residual solute drag at zero interface velocity.
      
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The stability of JOSG was studied experimentaly. As analysis of theory and experimental data, we concluded the criterion of working stability for jet SOG as follows v g/v j≤ 2,thereafter obtained the following conclusion that increasing the driven pressure of jet in order to increase the velocity of jet is the effective method to increase the molar flowrate of Cl 2 .

实验研究了BHP的化学稳定性以及射流式SOG稳定工作的判据,为射流式SOG的研究提供了实验依据。通过理论研究和实验数据的综合分析,给出了单排孔进气结构射流式单重态氧发生器稳定工作的判据vg/vj≤2。提高射流式SOG的BHP驱动压力,以提高射流的速度是提高Cl2摩尔流量也即单重态氧发生量的有效手段。

We realized the erasable holographic storage in visible region for the thin layers of PMMA matrices doped with N-salicylideneaniline material. An argon laser beam of 488.0nm and a He-Ne laser beam of 632.8nm were used for writing and reading, respectively. With the reading light of 0.5mW,we studied the relationship between the intensities of the two writing beams and the intensity of the diffraction signal.The results and explanations were as following.For a given intensity of the writing beams,the intensity...

We realized the erasable holographic storage in visible region for the thin layers of PMMA matrices doped with N-salicylideneaniline material. An argon laser beam of 488.0nm and a He-Ne laser beam of 632.8nm were used for writing and reading, respectively. With the reading light of 0.5mW,we studied the relationship between the intensities of the two writing beams and the intensity of the diffraction signal.The results and explanations were as following.For a given intensity of the writing beams,the intensity of the diffraction signal for the writing process increased at first,then decreased with the increase of time.A possible explanation is that pressure-driven mass transport induced from photo-isomerization which causes a change on the surface to form a surface-relief grating.However the surface-relief grating partly counteracts the phase-grating resulting from the two gatings with phase difference of π. We also found that the intensity of the diffraction signal depends on the intensities of the two writing beams.Higher intensity of the diffraction signal was observed with higher power of the writing beams.It is believed that the writing beams with higher intenisties cycle more SA molecules through a keto-enol-keto cycles.So the phase grating formed by the oriented molecules through photo-isomerization is stronger than that formed with the writing beams with lower intensities.Because the intensities of the writing beams have a more important influence on the phase grating than on the surface-relief grating.So the resultant grating formed by the counteraction of the surface-relief grating and the phase grating strengthened,we could observe the diffraction signal with higher intensity. To confirm the surface-relief grating,under same writing condition,we carried out the erasing process and investigated the relationship between the intensity of the erasing light and the erasing rate.For a given power of erasing light,we also observed that the intensity of the diffraction signal increased firstly,then decreased with the increase of time.It is considered that one erasing beam would homogeneously distributed on the recording spot,without the gradient of the light intensity.So there would no isomerization pressure and the mass transport in the recording region would stop,which made the surface-relief grating kept and restrained.At the same time,because there exists a dynamic equilibrium of photo-isomerization,the phase grating would reach the equilibrium state firstly,then would grow weak because of the change of the refractive indexes(Δn) between the regional bright and dark region become small with the erasing light.So the resultant grating formed by the two grating would strengthen at first,then would weak.So we could observed the phenomenon.Higher erasing rate was observed with higher power of the erasing beams,which can be contributed to the more quick decrease of Δn with higher intensity of the erasing light. In summary,we believe that the mechanism of an isomerization-driven pressure led to the formation of the surface-relief grating and these phenomena are due to the change of the resultant grating formed through the counteraction between the surface-relief grating and the phase grating.

用在聚甲基丙稀酸甲脂 (PMMA)中掺杂邻羟基亚甲基苯胺 (SA)样品 ,实现了可见光区域的可擦除光存储。以Ar+ 激光 4 88 0nm线为写入光 ,He Ne激光 6 32 8nm线为读出光 ,研究了光栅生长的动力学过程。在写入和擦除过程中 ,均观察到了衍射信号随时间先增强后减弱的趋势。探讨了写入光和擦除光功率对衍射信号的影响。依据相干光调制形成相位光栅和光异构产生压力梯度引起分子扩散的光物理过程对光存储机制进行了探讨

Single bubble sonoluminescence (SBSL) is a process of energy transformation from sound to light.It has a potential application in inertial fusion,sonochemical and short pulse ultraviolet light source,etc.We study the near spherical vibration dynamics of a gas bubble in an incompressible and viscous liquid by using a vibrator model.A detailed Mie scattering calculation with Dave downward recurrence about sonoluminescence was performed to determine the proper parameters of Mie scattering experiments and calibrations.And...

Single bubble sonoluminescence (SBSL) is a process of energy transformation from sound to light.It has a potential application in inertial fusion,sonochemical and short pulse ultraviolet light source,etc.We study the near spherical vibration dynamics of a gas bubble in an incompressible and viscous liquid by using a vibrator model.A detailed Mie scattering calculation with Dave downward recurrence about sonoluminescence was performed to determine the proper parameters of Mie scattering experiments and calibrations.And some experimental results about the attenuation of SBSL emission,the frequency and driving pressure dependences of SBSL intensity are obtained.

介绍了作者在研究单泡声致发光SBSL动力学特性和发光特征方面的进展情况 .用气泡振子模型 ,研究了在不可压缩、粘滞流体中气泡近球对称运动的动力学行为 ;运用Mie散射理论和Dave倒推算法 ,系统地计算了适用于单泡声致发光的Mie散射测量参数 ;实验给出单泡发光强度的衰减特性、SBSL光强与频率的关系、SBSL与激励电压的关系等结果

 
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