1、

Its crystal structure, specific surface area, pore size distribution, oxygen storage capacity ( OSC) and redox behavior were investigated by X-ray diffraction, BET, oxygen pulse adsorption and H_ ( 2)-temperature programmed reduction ( H_ ( 2)-TPR).

采用X射线衍射、BET、氧脉冲吸附和H2程序升温还原(H2-TPR)等技术对材料的晶体结构、比表面积、孔结构、储氧性能和还原性能进行了研究。

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2、

Droplet size effect on detonation velocity of two-phase pulse detonation engine

燃油粒度对两相PDE爆震波速的影响不同内径两相脉冲爆震模型机爆震波速的试验研究

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3、

The tags, the size of a grain of rice, use the power from a radio pulse emitted by an electronic reader to send out a code which can be picked up.

这种仪器,有米粒大小,以电子雷达发射的无线脉冲供能&可以向外界发射无线电信号。

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4、

Based on the digital of micro-fluids pulse ejection, 10~ 103 μ m scale cells were encapsulated rhythmically and the system was well adapted to different size cells and heterogeneous cells.

以微流体数字化脉冲喷射实现了尺度量级10-103μm细胞的节拍化包囊,对不同粒径以及粒径不均匀的细胞都具有良好的适应性。

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5、

The Cathode Pulse Circuit Design for Spot Size Measurement System

光点测试仪阴极脉冲电路设计

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6、

Welding parameters such as angle of bending tip, pulse voltage, wire feed rate, pulse mode, size of groove and welding speed can affect the appearance of weld.

导电嘴弯曲角度、送丝速度、峰值电压、协同模式、焊接速度和坡口尺寸均会对窄间隙焊缝成形产生重要影响。

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7、

a bp algorithmic model was established for the artificial neural network of the grain size of al-alloy's solidification structure under the action of strong pulse electromagnetic field.

建立了强脉冲电磁场作用下铝合金凝固组织晶粒尺寸的人工神经网络BP算法模型。

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8、

The subsurface Ground Penetrating Radar ( GPR) introduces Carrier-Free Single Pulse Ultra Wide Band Radar, for the size of the detecting target is usually small.

浅地层探地雷达所探测的目标体积一般都比较小,因而其采用的是单周期窄脉冲超宽带雷达(UWB)。

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9、

it's found that successful two-phase pulse detonations can be achieved in tubes with diameters less than cell size of mixtures.

研究发现,在内径小于混合物胞格尺寸的爆震管内,可以形成充分发展的两相脉冲爆震波。

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10、

Effects of pulsed laser parameters such as laser wavelength, beam spot size, pulse energy and pulse duration on threshold energy in laser simulating Single Event Effect testing are analyzed.

分析了在激光模拟单粒子效应试验中激光波长、束斑大小、脉冲能量、脉冲宽度等脉冲激光参数对阈值能量的影响。

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