改性后超稳Y型分子筛的晶体结构热稳定性增加，脉冲微反试验的正已烷裂解活性下降而烯烃选择性得到提高。
The thermal stability ofthe crystal structure of modified USY zeolite is increased, and n-hexane cracking activity ina pulse micro-reactor is decreased, while the olefin selectivity is increased.
可以看到反铁电陶瓷在脉冲电场诱导下发生了相变。
Pulse electric field forced phase transition in antiferroelectric ceramics are in investigated.
综合脉冲与孔径雷达（SIAR）是一种新型的米波稀布阵雷达，具有良好的反隐身能力。
The Synthetic Impulse and Aperture Radar (SIAR), a new style VHF thinning arrays~ has an excellent capacity of countering stealthy aircrafts.
并用脉冲微反色谱技术考察了催化剂的环己烷脱氢性能。
By means of pulse microreactor-gas chromatographic method, the catalytic properties of the catalyst for the dehydrogenation of cyclohexane are tested.
在二维超声心动图上用脉冲多普勒（PD-2D）测量计算反流容积（RV）和反流分数（RF% ）。
The regurgitant volume (RV) and regurgitant fraction (RF) calculated by two dimensional pulsed Doppler (2D-PD) method were served as reference values.
并讨论了原子与光场的耦合受到高斯型时间脉冲限制时，脉冲宽度和光场强度对光场聚束与反聚束效应的影响。
The effect of different pulse widths and light field intensity on bunching and antibunching effects of light field is discussed when the coupling of atom and light field is time-dependent.
脉冲多普勒的检测结果显示，21例可见股静脉内的血流停滞，其中15例出现反流现象。
Color Doppler ultrasonography revealed femoral venous stasis in 21 patients, and 15 of them were detected femoral venous blood reflux.
选择了反激式开关电源作为高压电源的主电路，并以555脉冲控制电路和反激式驱动电路作为辅助电路。
The flyback mode switch power supply is chosen as the main circuit of the high voltage power in the paper with 555 pulse control circuit and flyback drive circuit.
泵浦系统是小型高效率开关型反激式脉冲泵浦源。
The pumping source is a switch type and inverse excitation model in small size but it has high efficiency.
采用爆炸冲击波作用于贮存有电极化能量的铁电体，迫使其转变成反铁电体，可释放出巨大电能量，用于一次性的高压、大功率脉冲电源。
A ferroelectrics could release total electric polarization energy during it is transformed to antiferroelectrics, and that was used to high electrical power supply.
理论仿真结果表明，采用频域反卷积算法可以在不降低光源脉冲宽度的情况下，将空间分辨率提高四倍。
Numerical simulation shows that the spatial resolution is enhanced by four times using the frequency-domain deconvolution algorithm with high temperature accuracy.
但是目前常规的脉冲多普勒雷达在反隐身能力方面还存在严重地不足。
But there are serious deficiencies in detecting stealth aircraft for conventional Pulse-Doppler radar.
激光脉冲作用于工质，使工质烧蚀反喷，产生微小冲量。
Laser focuses onto a target, producing an ablation back-jet, which provides a micro-impulse.
报道了采用单次脉冲非稳腔空间增强探测相干反斯托克斯喇曼散射（USEDCARS）技术诊断常压下固体燃剂瞬态燃烧场温度和氮气浓度。
The broad-band USED CARS measurements of temperature and N2 concentration in the combustion of solid propellant at atmospheric pressure are reported.
报道了采用单次脉冲非稳腔空间增强探测相干反斯托克斯喇曼散射（USEDCARS）技术诊断常压下固体燃剂瞬态燃烧场温度和氮气浓度。
The broad-band USED CARS measurements of temperature and N2 concentration in the combustion of solid propellant at atmospheric pressure are reported.
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