2) shot noise
发散噪声[声]
3) noise variance
噪声离散<声>
4) ultrasonic dispersion
超声分散
1.
The contact mass prepared with ultrasonic dispersion method was proved to hold higher activity than that of prepared with simple mixing method.
采用简单混合法和超声分散法2种催化剂触体制备方法,将自制铜粉与适量的氧化锌助催化剂混合,由直接法合成甲基氯硅烷,并建立了毛细管气相色谱法定量分析甲基氯硅烷的方法。
2.
A PVDF/Polyacrylate composite emulsion was prepared by emulsion polymerization using mixture of polyvinylidene fluoride,methyl methacrylate and butyl acrylate monomers in presence of fluorine-containing surfactant by ultrasonic dispersion process.
在含氟表面活性剂存在下,将聚偏氟乙烯超声分散于甲基丙烯酸甲酯和丙烯酸丁酯的混合单体中进行乳液聚合,制备了聚偏氟乙烯/聚丙烯酸酯复合乳液。
3.
The influence of ultrasonic dispersion time,seed type and DVB concentration were discussed.
利用超声分散改进的二步溶胀法制备4~9μm的聚苯乙烯-二乙烯苯(PSt-DVB)多孔微球,并以防晒剂parsol 1789为模型组分考察了其缓释性能。
5) scattering acoustic field
散射声场
1.
A method to solve the scattering acoustic field of complex target was proposed for the near-field scattering characteristics of an underwater target in high-frequency.
针对水下目标高频近场散射特性,提出了一种求解水下复杂目标散射声场的方法。
补充资料：声散
声散 声散 病名。《脉因证治》卷下：“咳而声嘶破，俗名声散也。”也即音嘶不清、发声不彰的病证。参见音嘶条。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条