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- dynamic thermal focus length 动态热焦距
- Experiments for measuring thermal focus length, give accordance with the calculation basically. 设计实验测量了钕玻璃棒的热焦距,测量结果与理论计算值基本吻合;
- With the increases of the numbers of pumping pulses, the thermal focus length deceases. 随着抽运脉冲个数的增加,热透镜效应随之变大。
- Under the study on rod Nd-glasses heat-capacity laser thermal lensing,the general expressions of the thermal focus length are derived. 针对热容激光器的热透镜效应,给出了棒状钕玻璃热容激光器的热透镜公式表达式。
- 2)Analyze the transmission spectrum and measure the thermal focus length of Nd:YAG rod. 2)介绍了Nd:YAG的输出波长特性及其热焦距特性;
- thermal focus length 热焦距
- The dynamic thermal stabilizing effect of magnesium oxide/zinc oxide mixture on PVC was studied with HAAKE Rheometer. 用HAAKE流变仪研究了氧化镁/氧化锌稳定体系对聚氯乙烯的动态热稳定性能。
- Dynamic thermal fatigue of the micro specimens of 3Cr2W8V steel is carriedout in SEM with self-made Coffin model thermal fatigue stage. 利用自制的Coffin型热疲劳载物台,对3Cr2W8V钢微型试样进行了扫描电镜中的动态热疲劳试验。
- The experimental results are presented for dynamic thermal characterization of microheater and vibration analysis of cantilevers. 给出了微型加热器的动态热分析和悬臂的振动分析实验结果。
- Dynamic thermal dissipation of cathode module in electron gun of traveling wave tube(TWT) were theoretically simulated with a newly-developed model. 阴极作为行波管的“心脏”,其内部结构的热耗散是影响行波管预热时间的关键问题,热传导和热辐射是引起阴极组件内部热耗散的最重要因素。
- In experiment, the pulse width and stability of SBS pumped by a KrF laser were investigated. The functions of SBS pulse width and stability versus pressure of medium, pump power and focus length are obtained. 实验上,用KrF激光抽运SF_6介质,研究获得了SBS脉宽和稳定度随抽运能量、介质气压、透镜焦距的变化规律,并与理论模拟进行了比较分析,二者基本符合。
- The static thermal stability of PVC was tested by means of Congo Red methed,and the dynamic thermal stability was tested by means of Rheometer. 用刚果红试纸及流变仪分别测试了加入月桂酸甲基锡的PVC树脂的动、静态热稳定性和加工性能。
- Through calculating ultrasonic phased array probe position and choosing the detecting parameter such as beam angle, focal distance, focus size and focus length and so on to calibrate the instrument. 通过对超声探头位置的准确计算，以及对超声相控阵的声束角度、焦距位置、焦点尺寸及位置等参数的选择来进行仪器标定。
- In the paper,the dynamic thermal field of cylindrical linear induction motor running in oscillating motion is computed by using Galerkin FEM. 用伽辽金有限元法计算了往复运动的圆筒型直线感应电动机的动态温度场。
- The dynamic thermal performance of honeycomb potter heat storage bed used in High Temperature Air Combustion are experimentally tested. 摘要对高温空气燃烧技术中的关键设备－蜂窝型陶瓷蓄热体换热器的热动态特性进行了实验测试。
- The dynamic thermal stresses responses analysis model problems of metal-ceramic functionally graded materials (FGMs) under thermal shock load are studied. 研究了梯度材料在承受热冲击载荷作用时的动态热应力响应分析模型问题。
- The dynamic thermal regime of sedimentary basins can be evaluated either onthe basin scale or on the lithosphere scale,which results in reconstruction of the basinthermal history. 沉积盆地动态热体制研究可以分别在盆地和岩石圈两种尺度上进行，其目的是盆地热历史的重建或恢复。
- Simulates the dynamic thermal process of the low temperature floor radiant heating system and the convector heating system under different solar irradiances. 摘要模拟了低温地板辐射供暖与对流散热器供暖系统在不同太阳辐射照度下的动态热过程。
- The results show that: the lose of pressure is small when air velocity and the longth of honeycomb potter heat storage bed are varied; but the switch time of air and the bulk of storage bed play important roles as regard its dynamic thermal performance. 结果表明：蜂窝型陶瓷蓄热体换热器的压力损失随着空气流速以及蓄热体长度的不同而变化，但总体上说，其压力损失并不大；四通换向阀的换向周期和蜂窝陶瓷蓄热体换热器的体积等是影响其温度效率和热回收率等热性能的重要因素。
- For the purpose of controlling the temperature of PEMFC stacks effectively,a dynamic thermal management model of PEMFC stacks has been developed on the basis of the energy conservation principle. 为了实现质子交换膜燃料电池电堆温度的有效控制,根据电堆能量守恒原理建立了电堆动态热管理模型。
