Laser threshold power density of hot isometric pressure(HIP) beryllium in laser beam welding was investigated.
利用Nd∶YAG激光焊接了铍环,研究了不同激光入射角度和铍环直径变化对阈值功率变化的影响,得到了铍在激光焊接过程中阈值功率密度变化规律。
Moreover,the energy density valve for laser purification according to the phase trace was studied.
建立了激光清洗的物理模型,探讨了激光辐照下基底表面和吸附粒子位置随时间的变化规律,作出粒子运动的相轨道,从相轨道角度对激光净化能量密度阈值进行研究。
Energy Density Threshold of Nanocrystalline Silicon Film Prepared by Pulsed Laser Ablation
激光烧蚀制备纳米Si晶粒的激光能量密度阈值
Quantum apparatus have lower emitted threshold, great emit current density, more stability etc excellent field emit performance so that it could use to facture high performance flat displayer.
量子器件具有发射阈值低、发射电流密度大、稳定性高等优异的场发射性能。
Performance Analysis of Threshold Denoising Via Different Kinds of Mother Wavelets and Wavelet-Thresholding Denoising Method Based on Energy Cell;
小波阈值去噪的性能分析及基于能量元的小波阈值去噪方法研究
OP TIMUM IMAGE DENSITY SLICE AND THE APPROXIMATIONS
影像密度分割阈值的最佳选取与近似实施
The Numerical Analysis of Energy Density during Inertia Friction Welding Process;
惯性摩擦焊接过程的能量密度数值分析
The Study of Information Density and Threshold for Guiding Signs Based on Cognitive Psychology
基于认知心理学的指路标志信息与信息密度阈值研究
Clinical Application of CT Virtual Colonoscopy with Different Density Thresholds in Colorectal Polyps Diagnosis
密度阈值在CT虚拟结肠镜诊断结直肠息肉中的临床应用研究
parametric oscillator threshold condition
光参量振荡阈值条件
A major problem with solar energy is its low energy density which amounts to about a maximum of 1 kWm2.
太阳能的一个主要问题是能量密度低,其最大数值为lkW／m2。
THE RELATIVASTIC TRANSFORMATION OF ENERGYFLOW DENSITY VECTOR AND ENERGY DENSITYOF ELECTROMAGNETIC FIELD
电磁场能流密度矢量与能量密度的相对论变换
RETSPL Value of Quantity Comparison and Evaluation of Uncertainty
基准等效听阈声压级全国量值比对及数据不确定度分析
A similar consideration can be used to define the density of momentum, the density of energy, and so on.
可以用类似的方法定义动量密度，能量密度等等。
The laser energy close to the threshold produces a better effect on reducing the intraocular pressure when the number of the laser shot is the same.
不同眼或同一眼的不同部位的阈值存在差别,激光能量应适时调整。
Optimization of trigger threshold in automatic bolus tracking technique with cerebral dual-energy CTA with dual-source CT
双源CT颅脑双能量血管成像技术中触发阈值的优化
Wavelet Denoising Based on Energy Threshold Function for Underwater Acoustic Multi-path Signals Analysis
基于能量阈值函数的水声多径信号小波去噪分析
Power Quality Disturbance Signal Detection Method Based on the Improved Wavelet Domain Threshold Algorithm
基于改进的小波域阈值算法的电能质量扰动检测方法
Vector quantization based on the dynamic threshold of speaker recognition
基于动态阈值失量量化的说话人识别
The Numerical Calculation of the Potential Energy of the Bohr Hamitonian
玻耳哈密顿量势能项的微观数值计算