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rapid measurement    
相关语句
  快速测量
    Rapid Measurement and Analysis for the Nonlinear Parameters of Optical Thin-films
    光学薄膜非线性参数的快速测量与分析
短句来源
    Rapid Measurement of the Excitation Profile of a Shaped Pulse
    特形脉冲激发轮廓的快速测量
短句来源
  快速测量
    Rapid Measurement and Analysis for the Nonlinear Parameters of Optical Thin-films
    光学薄膜非线性参数的快速测量与分析
短句来源
    Rapid Measurement of the Excitation Profile of a Shaped Pulse
    特形脉冲激发轮廓的快速测量
短句来源
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  rapid measurement
A relatively simple indentation technique for the rapid measurement of fracture surface energy, Γ, of small samples is described.
      
A method for rapid measurement of HeLa cell destruction by cytopathic poliovirus based upon alterations of the rate of oxygen uptake of infected cell populations is presented.
      
Rapid measurement of young's modulus on short strips of amorphous metals using the piezoelectric ultrasonic composite oscillator
      
Systems for rapid measurement, data analysis and storage designed for the experimental work are presented.
      
Densitoviscometer for rapid measurement of the density and viscosity of melts of salts and alkali
      
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An optical detection technique for rapid measurement of surface roughness by using a laser beam is proposed.When a laser beam illuminate on the surface of a aluminum specimen,the space distribution of the reflected light intensity will be the function of the roughness of the surface of the specimen.And the intensity distribution can be measured with a plasmacoupled device (PCD) and approximately expressed with Gaussian function.The broadness of the intensity distribution curve can be evaluated with standard deviation called Gaussian curve parameter (GCP).We find a experimental equation Ra=0.088GCP+0.032 to show the relationship between centerline average roughness Ra and GCP in range of 0.1~0.5μm....

An optical detection technique for rapid measurement of surface roughness by using a laser beam is proposed.When a laser beam illuminate on the surface of a aluminum specimen,the space distribution of the reflected light intensity will be the function of the roughness of the surface of the specimen.And the intensity distribution can be measured with a plasmacoupled device (PCD) and approximately expressed with Gaussian function.The broadness of the intensity distribution curve can be evaluated with standard deviation called Gaussian curve parameter (GCP).We find a experimental equation Ra=0.088GCP+0.032 to show the relationship between centerline average roughness Ra and GCP in range of 0.1~0.5μm.

提出一种使用激光束快速测量表面粗糙度的无触点光学方法。一束照射在样品表面的激光束随着表面粗糙度的增大反射光的密度分布将被扩展,可用PCD测出从铝制样品表面反射光的密度分布。被反射光的密度曲线可通过高斯函数近似地求出。密度分布曲线的宽度由高斯曲线系数的标准差计算出来,此标准差近似等于密度曲线的高斯函数的标准差,密度曲线的中线平均粗糙度随着高斯曲线系数的增加而增加。粗糙度Ra在01~05μm的范围内,可利用实验公式Ra=0.088GCP+0.032通过测量GCP得到。

The high-resolution phase-sensitive excitation-profile of a shaped pulse can be measured with the pulsed-filed-gradient technique in one or several experiments by spinecho or gradient-echo sequence. The key to the implementation of this rapid measurement is the determination of the exact echo time (TE). However due to the imperfection of the field-gradient, the exact TE is difficult to determine experimentally. Any discrepancy between the ideal TE and an experimental TE will introduce the extra phase shift...

The high-resolution phase-sensitive excitation-profile of a shaped pulse can be measured with the pulsed-filed-gradient technique in one or several experiments by spinecho or gradient-echo sequence. The key to the implementation of this rapid measurement is the determination of the exact echo time (TE). However due to the imperfection of the field-gradient, the exact TE is difficult to determine experimentally. Any discrepancy between the ideal TE and an experimental TE will introduce the extra phase shift to the excitation profile. Experimental details are disussed in this article and a phase precompensation method is adopted to avoid the experimental error.

利用脉冲梯度场技术,可采用自旋回波或梯度加波方法在单次或数次实验中获得高分辨的反映相位特性的特形脉冲激发轮廓。实验测量的关键在于准确确定回波汇集时间。由于脉冲梯度场的不完善,实验测量中任何回波时间确定的偏差将造成激发轮廓的线性相位误差。该文利用相位预补偿方法对实验测量的细节进行了讨论。

An ion energy auto analyzer was designed and implemented for the rapid measurement of plasma ion energy distribution.The analyzer was composed of a multi plate probe and a computer controlled measurement system.The experiment and data process were automatically accomplished with software design with Labview5.0.The measured result showed that ion energy was distributed in 12~42eV in an ECR plasma reaction chamber.There is no high energy ion in ECR plasma.It is advantageous for process of semiconductor...

An ion energy auto analyzer was designed and implemented for the rapid measurement of plasma ion energy distribution.The analyzer was composed of a multi plate probe and a computer controlled measurement system.The experiment and data process were automatically accomplished with software design with Labview5.0.The measured result showed that ion energy was distributed in 12~42eV in an ECR plasma reaction chamber.There is no high energy ion in ECR plasma.It is advantageous for process of semiconductor device with some specific requirement in ECR plasma process techniques.

为了快速获得等离子体离子能量的分布规律 ,研制了一套等离子体离子能量自动分析器 .离子能量自动分析器由多极型探头和计算机控制的测量系统组成 .利用离子能量自动分析器在线测量了ECR等离子体中离子能量分布范围为 12~ 4 2eV ,不存在对被加工的半导体器件表面产生损伤的高能离子 ,从而ECR等离子体技术适合于在半导体器件加工中应用

 
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